configure.ac

   1 dnl Copyright © 2011-2014 Intel Corporation
   2 dnl Copyright © 2011-2014 Emil Velikov <emil.l.velikov@gmail.com>
   3 dnl Copyright © 2007-2010 Dan Nicholson
   4 dnl Copyright © 2010-2014 Marek Olšák <maraeo@gmail.com>
   5 dnl Copyright © 2010-2014 Christian König
   6 dnl Copyright © 2012-2014 Tom Stellard <tstellar@gmail.com>
   7 dnl Copyright © 2009-2012 Jakob Bornecrantz
   8 dnl Copyright © 2009-2014 Jon TURNEY
   9 dnl Copyright © 2011-2012 Benjamin Franzke
  10 dnl Copyright © 2008-2014 David Airlie
  11 dnl Copyright © 2009-2013 Brian Paul
  12 dnl
  13 dnl Permission is hereby granted, free of charge, to any person obtaining a
  14 dnl copy of this software and associated documentation files (the "Software"),
  15 dnl to deal in the Software without restriction, including without limitation
  16 dnl the rights to use, copy, modify, merge, publish, distribute, sublicense,
  17 dnl and/or sell copies of the Software, and to permit persons to whom the
  18 dnl Software is furnished to do so, subject to the following conditions:
  19 dnl
  20 dnl The above copyright notice and this permission notice (including the next
  21 dnl paragraph) shall be included in all copies or substantial portions of the
  22 dnl Software.
  23 dnl
  24 dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  25 dnl IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  26 dnl FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  27 dnl THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  28 dnl LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  29 dnl FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  30 dnl DEALINGS IN THE SOFTWARE.
  31 dnl
  32 dnl Process this file with autoconf to create configure.
  33
  34 AC_PREREQ([2.60])
  35
  36 dnl Tell the user about autoconf.html in the --help output
  37 m4_divert_once([HELP_END], [
  38 See docs/autoconf.html for more details on the options for Mesa.])
  39
  40 m4_define(MESA_VERSION, m4_normalize(m4_include(VERSION)))
  41 AC_INIT([Mesa], [MESA_VERSION],
  42     [https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa])
  43 AC_CONFIG_AUX_DIR([bin])
  44 AC_CONFIG_MACRO_DIR([m4])
  45 AC_CANONICAL_SYSTEM
  46 AM_INIT_AUTOMAKE([foreign tar-ustar dist-xz subdir-objects])
  47
  48 dnl We only support native Windows builds (MinGW/MSVC) through SCons.
  49 case "$host_os" in
  50 mingw*)
  51     AC_MSG_ERROR([MinGW build not supported through autoconf/automake, use SCons instead])
  52     ;;
  53 esac
  54
  55 AC_ARG_ENABLE(autotools,
  56    [AS_HELP_STRING([--enable-autotools],
  57                    [Enable the use of this autotools based build configuration])],
  58    [enable_autotools=$enableval], [enable_autotools=no])
  59
  60 if test "x$enable_autotools" != "xyes" ; then
  61     AC_MSG_ERROR([the autotools build system has been deprecated in favour of
  62     meson and will be removed eventually. For instructions on how to use meson
  63     see https://www.mesa3d.org/meson.html.
  64     If you still want to use the autotools build, then add --enable-autotools
  65     to the configure command line.])
  66 fi
  67
  68 # Support silent build rules, requires at least automake-1.11. Disable
  69 # by either passing --disable-silent-rules to configure or passing V=1
  70 # to make
  71 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])],
  72     [AC_SUBST([AM_DEFAULT_VERBOSITY], [1])])
  73
  74 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
  75
  76 dnl Set internal versions
  77 OSMESA_VERSION=8
  78 AC_SUBST([OSMESA_VERSION])
  79 OPENCL_VERSION=1
  80 AC_SUBST([OPENCL_VERSION])
  81
  82 # The idea is that libdrm is distributed as one cohesive package, even
  83 # though it is composed of multiple libraries. However some drivers
  84 # may have different version requirements than others. This list
  85 # codifies which drivers need which version of libdrm. Any libdrm
  86 # version dependencies in non-driver-specific code should be reflected
  87 # in the first entry.
  88 LIBDRM_REQUIRED=2.4.75
  89 LIBDRM_RADEON_REQUIRED=2.4.71
  90 LIBDRM_AMDGPU_REQUIRED=2.4.97
  91 LIBDRM_INTEL_REQUIRED=2.4.75
  92 LIBDRM_NVVIEUX_REQUIRED=2.4.66
  93 LIBDRM_NOUVEAU_REQUIRED=2.4.66
  94 LIBDRM_ETNAVIV_REQUIRED=2.4.89
  95 LIBDRM_VC4_REQUIRED=2.4.89
  96
  97 dnl Versions for external dependencies
  98 DRI2PROTO_REQUIRED=2.8
  99 GLPROTO_REQUIRED=1.4.14
 100 LIBOMXIL_BELLAGIO_REQUIRED=0.0
 101 LIBOMXIL_TIZONIA_REQUIRED=0.10.0
 102 LIBVA_REQUIRED=0.39.0
 103 VDPAU_REQUIRED=1.1
 104 WAYLAND_REQUIRED=1.11
 105 WAYLAND_EGL_BACKEND_REQUIRED=3
 106 WAYLAND_PROTOCOLS_REQUIRED=1.8
 107 XCB_REQUIRED=1.9.3
 108 XCBDRI2_REQUIRED=1.8
 109 XCBDRI3_MODIFIERS_REQUIRED=1.13
 110 XCBGLX_REQUIRED=1.8.1
 111 XCBPRESENT_MODIFIERS_REQUIRED=1.13
 112 XDAMAGE_REQUIRED=1.1
 113 XSHMFENCE_REQUIRED=1.1
 114 XVMC_REQUIRED=1.0.6
 115 PYTHON_MAKO_REQUIRED=0.8.0
 116 LIBSENSORS_REQUIRED=4.0.0
 117 ZLIB_REQUIRED=1.2.3
 118
 119 dnl LLVM versions
 120 LLVM_REQUIRED_GALLIUM=3.3.0
 121 LLVM_REQUIRED_OPENCL=3.9.0
 122 LLVM_REQUIRED_R600=3.9.0
 123 LLVM_REQUIRED_RADEONSI=7.0.0
 124 LLVM_REQUIRED_RADV=7.0.0
 125 LLVM_REQUIRED_SWR=6.0.0
 126
 127 dnl Check for progs
 128 AC_PROG_CPP
 129 AC_PROG_CC
 130 AC_PROG_CXX
 131 dnl add this here, so the help for this environmnet variable is close to
 132 dnl other CC/CXX flags related help
 133 AC_ARG_VAR([CXX11_CXXFLAGS], [Compiler flag to enable C++11 support (only needed if not
 134                               enabled by default and different  from -std=c++11)])
 135 AM_PROG_CC_C_O
 136 AC_PROG_GREP
 137 AC_PROG_NM
 138 AM_PROG_AS
 139 AX_CHECK_GNU_MAKE
 140 AM_PATH_PYTHON([2.7],, [AM_PATH_PYTHON([3.4],, [:])])
 141
 142 AC_PROG_SED
 143 AC_PROG_MKDIR_P
 144
 145 AC_SYS_LARGEFILE
 146
 147
 148 LT_PREREQ([2.2])
 149 LT_INIT([disable-static])
 150
 151 AC_CHECK_PROG(RM, rm, [rm -f])
 152
 153 AX_PROG_BISON([],
 154               AS_IF([test ! -f "$srcdir/src/compiler/glsl/glcpp/glcpp-parse.c"],
 155                     [AC_MSG_ERROR([bison not found - unable to compile glcpp-parse.y])]))
 156 AX_PROG_FLEX([],
 157              AS_IF([test ! -f "$srcdir/src/compiler/glsl/glcpp/glcpp-lex.c"],
 158                    [AC_MSG_ERROR([flex not found - unable to compile glcpp-lex.l])]))
 159
 160 AC_CHECK_PROG(INDENT, indent, indent, cat)
 161 if test "x$INDENT" != "xcat"; then
 162     # Only GNU indent is supported
 163     INDENT_VERSION=`indent --version | grep GNU`
 164     if test $? -eq 0; then
 165        AC_SUBST(INDENT_FLAGS, '-i4 -nut -br -brs -npcs -ce -TGLubyte -TGLbyte -TBool')
 166     else
 167        INDENT="cat"
 168     fi
 169 fi
 170
 171 AX_CHECK_PYTHON_MAKO_MODULE($PYTHON_MAKO_REQUIRED)
 172
 173 if test "$PYTHON" = ":"; then
 174     if test ! -f "$srcdir/src/util/format_srgb.c"; then
 175         AC_MSG_ERROR([Python not found - unable to generate sources])
 176     fi
 177 else
 178     if test "x$acv_mako_found" = xno; then
 179         if test ! -f "$srcdir/src/mesa/main/format_unpack.c"; then
 180             AC_MSG_ERROR([Python mako module v$PYTHON_MAKO_REQUIRED or higher not found])
 181         fi
 182     fi
 183 fi
 184
 185 AC_PROG_INSTALL
 186
 187 dnl We need a POSIX shell for parts of the build. Assume we have one
 188 dnl in most cases.
 189 case "$host_os" in
 190 solaris*)
 191     # Solaris /bin/sh is too old/non-POSIX compliant
 192     AC_PATH_PROGS(POSIX_SHELL, [ksh93 ksh sh])
 193     SHELL="$POSIX_SHELL"
 194     ;;
 195 esac
 196
 197 dnl clang is mostly GCC-compatible, but its version is much lower,
 198 dnl so we have to check for it.
 199 AC_MSG_CHECKING([if compiling with clang])
 200
 201 AC_COMPILE_IFELSE(
 202 [AC_LANG_PROGRAM([], [[
 203 #ifndef __clang__
 204        not clang
 205 #endif
 206 ]])],
 207 [acv_mesa_CLANG=yes], [acv_mesa_CLANG=no])
 208
 209 AC_MSG_RESULT([$acv_mesa_CLANG])
 210
 211 dnl If we're using GCC, make sure that it is at least version 4.2.0.  Older
 212 dnl versions are explictly not supported.
 213 GEN_ASM_OFFSETS=no
 214 USE_GNU99=no
 215 if test "x$GCC" = xyes -a "x$acv_mesa_CLANG" = xno; then
 216     AC_MSG_CHECKING([whether gcc version is sufficient])
 217     major=0
 218     minor=0
 219
 220     GCC_VERSION=`$CC -dumpversion`
 221     if test $? -eq 0; then
 222         GCC_VERSION_MAJOR=`echo $GCC_VERSION | cut -d. -f1`
 223         GCC_VERSION_MINOR=`echo $GCC_VERSION | cut -d. -f2`
 224     fi
 225
 226     if test $GCC_VERSION_MAJOR -lt 4 -o $GCC_VERSION_MAJOR -eq 4 -a $GCC_VERSION_MINOR -lt 2 ; then
 227         AC_MSG_RESULT([no])
 228         AC_MSG_ERROR([If using GCC, version 4.2.0 or later is required.])
 229     else
 230         AC_MSG_RESULT([yes])
 231     fi
 232
 233     if test $GCC_VERSION_MAJOR -lt 4 -o $GCC_VERSION_MAJOR -eq 4 -a $GCC_VERSION_MINOR -lt 6 ; then
 234         USE_GNU99=yes
 235     fi
 236     if test "x$cross_compiling" = xyes; then
 237         GEN_ASM_OFFSETS=yes
 238     fi
 239 fi
 240
 241 dnl We don't support building Mesa with Sun C compiler
 242 dnl https://bugs.freedesktop.org/show_bug.cgi?id=93189
 243 AC_CHECK_DECL([__SUNPRO_C], [SUNCC=yes], [SUNCC=no])
 244 if test "x$SUNCC" = xyes; then
 245     AC_MSG_ERROR([Building with Sun C compiler is not supported, use GCC instead.])
 246 fi
 247
 248 dnl Check for compiler builtins
 249 AX_GCC_BUILTIN([__builtin_bswap32])
 250 AX_GCC_BUILTIN([__builtin_bswap64])
 251 AX_GCC_BUILTIN([__builtin_clz])
 252 AX_GCC_BUILTIN([__builtin_clzll])
 253 AX_GCC_BUILTIN([__builtin_ctz])
 254 AX_GCC_BUILTIN([__builtin_expect])
 255 AX_GCC_BUILTIN([__builtin_ffs])
 256 AX_GCC_BUILTIN([__builtin_ffsll])
 257 AX_GCC_BUILTIN([__builtin_popcount])
 258 AX_GCC_BUILTIN([__builtin_popcountll])
 259 AX_GCC_BUILTIN([__builtin_unreachable])
 260
 261 AX_GCC_FUNC_ATTRIBUTE([const])
 262 AX_GCC_FUNC_ATTRIBUTE([flatten])
 263 AX_GCC_FUNC_ATTRIBUTE([format])
 264 AX_GCC_FUNC_ATTRIBUTE([malloc])
 265 AX_GCC_FUNC_ATTRIBUTE([packed])
 266 AX_GCC_FUNC_ATTRIBUTE([pure])
 267 AX_GCC_FUNC_ATTRIBUTE([returns_nonnull])
 268 AX_GCC_FUNC_ATTRIBUTE([unused])
 269 AX_GCC_FUNC_ATTRIBUTE([visibility])
 270 AX_GCC_FUNC_ATTRIBUTE([warn_unused_result])
 271 AX_GCC_FUNC_ATTRIBUTE([weak])
 272 AX_GCC_FUNC_ATTRIBUTE([alias])
 273 AX_GCC_FUNC_ATTRIBUTE([noreturn])
 274
 275 AM_CONDITIONAL([GEN_ASM_OFFSETS], test "x$GEN_ASM_OFFSETS" = xyes)
 276
 277 dnl Make sure the pkg-config macros are defined
 278 m4_ifndef([PKG_PROG_PKG_CONFIG],
 279     [m4_fatal([Could not locate the pkg-config autoconf macros.
 280   These are usually located in /usr/share/aclocal/pkg.m4. If your macros
 281   are in a different location, try setting the environment variable
 282   ACLOCAL="aclocal -I/other/macro/dir" before running autoreconf.])])
 283 PKG_PROG_PKG_CONFIG()
 284
 285 dnl LIB_DIR - library basename
 286 LIB_DIR=`echo $libdir | $SED 's%.*/%%'`
 287 AC_SUBST([LIB_DIR])
 288
 289 dnl Cache LDFLAGS and CPPFLAGS so we can add to them and restore later
 290 _SAVE_LDFLAGS="$LDFLAGS"
 291 _SAVE_CPPFLAGS="$CPPFLAGS"
 292
 293 dnl Compiler macros
 294 DEFINES="-D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
 295 AC_SUBST([DEFINES])
 296 android=no
 297 case "$host_os" in
 298 *-android*)
 299     android=yes
 300     ;;
 301 linux*|*-gnu*|gnu*|cygwin*)
 302     DEFINES="$DEFINES -D_GNU_SOURCE"
 303     ;;
 304 solaris*)
 305     DEFINES="$DEFINES -DSVR4"
 306     ;;
 307 esac
 308
 309 AM_CONDITIONAL(HAVE_ANDROID, test "x$android" = xyes)
 310
 311 # Toggle Werror since at some point clang started treating unknown -W
 312 # flags as warnings, succeeding with the build, yet issuing an annoying
 313 # warning.
 314 save_CFLAGS="$CFLAGS"
 315 export CFLAGS="$CFLAGS -Werror"
 316
 317 dnl
 318 dnl Check compiler flags
 319 dnl
 320 AX_CHECK_COMPILE_FLAG([-Wall],                                 [CFLAGS="$CFLAGS -Wall"])
 321 AX_CHECK_COMPILE_FLAG([-Werror=implicit-function-declaration], [CFLAGS="$CFLAGS -Werror=implicit-function-declaration"])
 322 AX_CHECK_COMPILE_FLAG([-Werror=missing-prototypes],            [CFLAGS="$CFLAGS -Werror=missing-prototypes"])
 323 AX_CHECK_COMPILE_FLAG([-Werror=incompatible-pointer-types],    [CFLAGS="$CFLAGS -Werror=incompatible-pointer-types"])
 324 AX_CHECK_COMPILE_FLAG([-Wmissing-prototypes],                  [CFLAGS="$CFLAGS -Wmissing-prototypes"])
 325 dnl Dylan Baker: gcc and clang always accepr -Wno-*, hence check for the original warning, then set the no-* flag
 326 AX_CHECK_COMPILE_FLAG([-Wmissing-field-initializers],          [CFLAGS="$CFLAGS -Wno-missing-field-initializers"])
 327 AX_CHECK_COMPILE_FLAG([-Wformat-truncation],                   [CFLAGS="$CFLAGS -Wno-format-truncation"])
 328 AX_CHECK_COMPILE_FLAG([-fno-math-errno],                       [CFLAGS="$CFLAGS -fno-math-errno"])
 329
 330 AX_CHECK_COMPILE_FLAG([-fno-trapping-math],                    [CFLAGS="$CFLAGS -fno-trapping-math"])
 331 AX_CHECK_COMPILE_FLAG([-fvisibility=hidden],                   [VISIBILITY_CFLAGS="-fvisibility=hidden"])
 332
 333 CFLAGS="$save_CFLAGS"
 334
 335 # Toggle Werror since at some point clang started treating unknown -W
 336 # flags as warnings, succeeding with the build, yet issuing an annoying
 337 # warning.
 338 dnl
 339 dnl Check C++ compiler flags
 340 dnl
 341 AC_LANG_PUSH([C++])
 342 AX_CHECK_COMPILE_FLAG([-Wall],                                 [CXXFLAGS="$CXXFLAGS -Wall"])
 343 AX_CHECK_COMPILE_FLAG([-fno-math-errno],                       [CXXFLAGS="$CXXFLAGS -fno-math-errno"])
 344 AX_CHECK_COMPILE_FLAG([-fno-trapping-math],                    [CXXFLAGS="$CXXFLAGS -fno-trapping-math"])
 345 AX_CHECK_COMPILE_FLAG([-fvisibility=hidden],                   [VISIBILITY_CXXFLAGS="-fvisibility=hidden"])
 346 AX_CHECK_COMPILE_FLAG([-Wmissing-field-initializers],          [CXXFLAGS="$CXXFLAGS -Wno-missing-field-initializers"])
 347 AX_CHECK_COMPILE_FLAG([-Wformat-truncation],                   [CXXFLAGS="$CXXFLAGS -Wno-format-truncation"])
 348 AC_LANG_POP([C++])
 349
 350 # Flags to help ensure that certain portions of the code -- and only those
 351 # portions -- can be built with MSVC:
 352 # - src/util, src/gallium/auxiliary, rc/gallium/drivers/llvmpipe, and
 353 # - non-Linux/Posix OpenGL portions needs to build on MSVC 2013 (which
 354 #   supports most of C99)
 355 # - the rest has no compiler compiler restrictions
 356 AX_CHECK_COMPILE_FLAG([-Werror=pointer-arith],                 [MSVC2013_COMPAT_CFLAGS="$MSVC2013_COMPAT_CFLAGS -Werror=pointer-arith"])
 357 AX_CHECK_COMPILE_FLAG([-Werror=vla],                           [MSVC2013_COMPAT_CFLAGS="$MSVC2013_COMPAT_CFLAGS -Werror=vla"])
 358 AC_LANG_PUSH([C++])
 359 AX_CHECK_COMPILE_FLAG([-Werror=pointer-arith],                 [MSVC2013_COMPAT_CXXFLAGS="$MSVC2013_COMPAT_CXXFLAGS -Werror=pointer-arith"])
 360 AX_CHECK_COMPILE_FLAG([-Werror=vla],                           [MSVC2013_COMPAT_CXXFLAGS="$MSVC2013_COMPAT_CXXFLAGS -Werror=vla"])
 361 AC_LANG_POP([C++])
 362
 363 AC_SUBST([MSVC2013_COMPAT_CFLAGS])
 364 AC_SUBST([MSVC2013_COMPAT_CXXFLAGS])
 365
 366 if test "x$GCC" = xyes; then
 367     if test "x$USE_GNU99" = xyes; then
 368         CFLAGS="$CFLAGS -std=gnu99"
 369     else
 370         CFLAGS="$CFLAGS -std=c99"
 371     fi
 372 fi
 373
 374 dnl
 375 dnl Check whether C++11 is supported, if the environment variable
 376 dnl CXX11_CXXFLAGS is set it takes precedence.
 377 dnl
 378
 379 AC_LANG_PUSH([C++])
 380
 381 check_cxx11_available() {
 382     output_support=$1
 383     AC_COMPILE_IFELSE(
 384         [AC_LANG_PROGRAM([
 385              #if !(__cplusplus >= 201103L)
 386              #error
 387              #endif
 388              #include <tuple>
 389         ])
 390     ], [
 391          AC_MSG_RESULT(yes)
 392          cxx11_support=yes
 393     ], AC_MSG_RESULT(no))
 394     eval "$output_support=\$cxx11_support"
 395 }
 396
 397 HAVE_CXX11=no
 398 save_CXXFLAGS="$CXXFLAGS"
 399
 400 dnl If the user provides a flag to enable c++11, then we test only this
 401 if test "x$CXX11_CXXFLAGS" != "x"; then
 402    CXXFLAGS="$CXXFLAGS $CXX11_CXXFLAGS"
 403    AC_MSG_CHECKING(whether c++11 is enabled by via $CXX11_CXXFLAGS)
 404    check_cxx11_available HAVE_CXX11
 405 else
 406    dnl test whether c++11 is enabled by default
 407    AC_MSG_CHECKING(whether c++11 is enabled by default)
 408    check_cxx11_available HAVE_CXX11
 409
 410    dnl C++11 not enabled by default, test whether -std=c++11 does the job
 411    if test "x$HAVE_CXX11" != "xyes"; then
 412        CXX11_CXXFLAGS=-std=c++11
 413        CXXFLAGS="$CXXFLAGS $CXX11_CXXFLAGS"
 414        AC_MSG_CHECKING(whether c++11 is enabled by via $CXX11_CXXFLAGS)
 415        check_cxx11_available HAVE_CXX11
 416    fi
 417 fi
 418
 419 CXXFLAGS="$save_CXXFLAGS"
 420 AM_CONDITIONAL(HAVE_STD_CXX11, test "x$HAVE_CXX11" = "xyes")
 421 AC_SUBST(CXX11_CXXFLAGS)
 422 AC_LANG_POP([C++])
 423
 424 dnl even if the compiler appears to support it, using visibility attributes isn't
 425 dnl going to do anything useful currently on cygwin apart from emit lots of warnings
 426 case "$host_os" in
 427 cygwin*)
 428     VISIBILITY_CFLAGS=""
 429     VISIBILITY_CXXFLAGS=""
 430     ;;
 431 esac
 432
 433 AC_SUBST([VISIBILITY_CFLAGS])
 434 AC_SUBST([VISIBILITY_CXXFLAGS])
 435
 436 dnl For some reason, the test for -Wno-foo always succeeds with gcc, even if the
 437 dnl option is not supported. Hence, check for -Wfoo instead.
 438 AX_CHECK_COMPILE_FLAG([-Woverride-init],                    [WNO_OVERRIDE_INIT="$WNO_OVERRIDE_INIT -Wno-override-init"])         # gcc
 439 AX_CHECK_COMPILE_FLAG([-Winitializer-overrides],            [WNO_OVERRIDE_INIT="$WNO_OVERRIDE_INIT -Wno-initializer-overrides"]) # clang
 440 AC_SUBST([WNO_OVERRIDE_INIT])
 441
 442 dnl
 443 dnl Optional flags, check for compiler support
 444 dnl
 445 SSE41_CFLAGS="-msse4.1"
 446 dnl Code compiled by GCC with -msse* assumes a 16 byte aligned
 447 dnl stack, but on x86-32 such alignment is not guaranteed.
 448 case "$target_cpu" in
 449 i?86)
 450     SSE41_CFLAGS="$SSE41_CFLAGS -mstackrealign"
 451     ;;
 452 esac
 453 save_CFLAGS="$CFLAGS"
 454 CFLAGS="$SSE41_CFLAGS $CFLAGS"
 455 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
 456 #include <smmintrin.h>
 457 int param;
 458 int main () {
 459     __m128i a = _mm_set1_epi32 (param), b = _mm_set1_epi32 (param + 1), c;
 460     c = _mm_max_epu32(a, b);
 461     return _mm_cvtsi128_si32(c);
 462 }]])], SSE41_SUPPORTED=1)
 463 CFLAGS="$save_CFLAGS"
 464 if test "x$SSE41_SUPPORTED" = x1; then
 465     DEFINES="$DEFINES -DUSE_SSE41"
 466 fi
 467 AM_CONDITIONAL([SSE41_SUPPORTED], [test x$SSE41_SUPPORTED = x1])
 468 AC_SUBST([SSE41_CFLAGS], $SSE41_CFLAGS)
 469
 470 dnl Check for new-style atomic builtins. We first check without linking to
 471 dnl -latomic.
 472 AC_MSG_CHECKING(whether __atomic_load_n is supported)
 473 AC_LINK_IFELSE([AC_LANG_SOURCE([[
 474 #include <stdint.h>
 475 int main() {
 476     struct {
 477         uint64_t *v;
 478     } x;
 479     return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 480            (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 481 }]])], GCC_ATOMIC_BUILTINS_SUPPORTED=yes, GCC_ATOMIC_BUILTINS_SUPPORTED=no)
 482
 483 dnl If that didn't work, we try linking with -latomic, which is needed on some
 484 dnl platforms.
 485 if test "x$GCC_ATOMIC_BUILTINS_SUPPORTED" != xyes; then
 486    save_LDFLAGS=$LDFLAGS
 487    LDFLAGS="$LDFLAGS -latomic"
 488    AC_LINK_IFELSE([AC_LANG_SOURCE([[
 489    #include <stdint.h>
 490    int main() {
 491         struct {
 492             uint64_t *v;
 493         } x;
 494         return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
 495                (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
 496    }]])], GCC_ATOMIC_BUILTINS_SUPPORTED=yes LIBATOMIC_LIBS="-latomic",
 497           GCC_ATOMIC_BUILTINS_SUPPORTED=no)
 498    LDFLAGS=$save_LDFLAGS
 499 fi
 500 AC_MSG_RESULT($GCC_ATOMIC_BUILTINS_SUPPORTED)
 501
 502 if test "x$GCC_ATOMIC_BUILTINS_SUPPORTED" = xyes; then
 503     DEFINES="$DEFINES -DUSE_GCC_ATOMIC_BUILTINS"
 504 fi
 505 AC_SUBST([LIBATOMIC_LIBS])
 506
 507 dnl Check if host supports 64-bit atomics
 508 dnl note that lack of support usually results in link (not compile) error
 509 AC_MSG_CHECKING(whether __sync_add_and_fetch_8 is supported)
 510 AC_LINK_IFELSE([AC_LANG_SOURCE([[
 511 #include <stdint.h>
 512 uint64_t v;
 513 int main() {
 514     return __sync_add_and_fetch(&v, (uint64_t)1);
 515 }]])], GCC_64BIT_ATOMICS_SUPPORTED=yes, GCC_64BIT_ATOMICS_SUPPORTED=no)
 516 if test "x$GCC_64BIT_ATOMICS_SUPPORTED" != xyes; then
 517     DEFINES="$DEFINES -DMISSING_64BIT_ATOMICS"
 518 fi
 519 AC_MSG_RESULT($GCC_64BIT_ATOMICS_SUPPORTED)
 520
 521 dnl Check for Endianness
 522 AC_C_BIGENDIAN(
 523    little_endian=no,
 524    little_endian=yes,
 525    little_endian=no,
 526    little_endian=no
 527 )
 528
 529 dnl Check for POWER8 Architecture
 530 PWR8_CFLAGS="-mpower8-vector"
 531 have_pwr8_intrinsics=no
 532 AC_MSG_CHECKING(whether gcc supports -mpower8-vector)
 533 save_CFLAGS=$CFLAGS
 534 CFLAGS="$PWR8_CFLAGS $CFLAGS"
 535 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
 536 #if defined(__GNUC__) && (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8))
 537 #error "Need GCC >= 4.8 for sane POWER8 support"
 538 #endif
 539 #include <altivec.h>
 540 int main () {
 541     vector unsigned char r;
 542     vector unsigned int v = vec_splat_u32 (1);
 543     r = __builtin_vec_vgbbd ((vector unsigned char) v);
 544     return 0;
 545 }]])], have_pwr8_intrinsics=yes)
 546 CFLAGS=$save_CFLAGS
 547
 548 AC_ARG_ENABLE(pwr8,
 549    [AS_HELP_STRING([--disable-pwr8],
 550                    [disable POWER8-specific instructions])],
 551    [enable_pwr8=$enableval], [enable_pwr8=auto])
 552
 553 if test "x$enable_pwr8" = xno ; then
 554    have_pwr8_intrinsics=disabled
 555 fi
 556
 557 if test $have_pwr8_intrinsics = yes && test $little_endian = yes ; then
 558    DEFINES="$DEFINES -D_ARCH_PWR8"
 559    CXXFLAGS="$CXXFLAGS $PWR8_CFLAGS"
 560    CFLAGS="$CFLAGS $PWR8_CFLAGS"
 561 else
 562    PWR8_CFLAGS=
 563 fi
 564
 565 AC_MSG_RESULT($have_pwr8_intrinsics)
 566 if test "x$enable_pwr8" = xyes && test $have_pwr8_intrinsics = no ; then
 567    AC_MSG_ERROR([POWER8 compiler support not detected])
 568 fi
 569
 570 if test $have_pwr8_intrinsics = yes && test $little_endian = no ; then
 571    AC_MSG_WARN([POWER8 optimization is enabled only on POWER8 Little-Endian])
 572 fi
 573
 574 AC_SUBST([PWR8_CFLAGS], $PWR8_CFLAGS)
 575
 576 dnl Can't have static and shared libraries, default to static if user
 577 dnl explicitly requested. If both disabled, set to static since shared
 578 dnl was explicitly requested.
 579 case "x$enable_static$enable_shared" in
 580 xyesyes)
 581     AC_MSG_ERROR([Cannot enable both static and shared. Building using --enable-shared is strongly recommended])
 582     ;;
 583 xnono)
 584     AC_MSG_ERROR([Cannot disable both static and shared. Building using --enable-shared is strongly recommended])
 585     ;;
 586 esac
 587
 588 AM_CONDITIONAL(BUILD_SHARED, test "x$enable_shared" = xyes)
 589
 590 dnl
 591 dnl other compiler options
 592 dnl
 593 AC_ARG_ENABLE([debug],
 594     [AS_HELP_STRING([--enable-debug],
 595         [use debug compiler flags and macros @<:@default=disabled@:>@])],
 596     [enable_debug="$enableval"],
 597     [enable_debug=no]
 598 )
 599
 600 AC_ARG_ENABLE([profile],
 601     [AS_HELP_STRING([--enable-profile],
 602         [enable profiling of code @<:@default=disabled@:>@])],
 603     [enable_profile="$enableval"],
 604     [enable_profile=no]
 605 )
 606
 607 AC_ARG_ENABLE([sanitize],
 608     [AS_HELP_STRING([--enable-sanitize@<:@=address|undefined@:>@],
 609         [enable code sanitizer @<:@default=disabled@:>@])],
 610     [enable_sanitize="$enableval"],
 611     [enable_sanitize=no])
 612
 613 if test "x$enable_profile" = xyes; then
 614     DEFINES="$DEFINES -DPROFILE"
 615     if test "x$GCC" = xyes; then
 616         CFLAGS="$CFLAGS -fno-omit-frame-pointer"
 617     fi
 618     if test "x$GXX" = xyes; then
 619         CXXFLAGS="$CXXFLAGS -fno-omit-frame-pointer"
 620     fi
 621 fi
 622
 623 if test "x$enable_debug" = xyes; then
 624     DEFINES="$DEFINES -DDEBUG"
 625     if test "x$enable_profile" = xyes; then
 626         AC_MSG_WARN([Debug and Profile are enabled at the same time])
 627     fi
 628     if test "x$GCC" = xyes; then
 629         if ! echo "$CFLAGS" | grep -q -e '-g'; then
 630             CFLAGS="$CFLAGS -g"
 631         fi
 632         if ! echo "$CFLAGS" | grep -q -e '-O'; then
 633             CFLAGS="$CFLAGS -O0"
 634         fi
 635     fi
 636     if test "x$GXX" = xyes; then
 637         if ! echo "$CXXFLAGS" | grep -q -e '-g'; then
 638             CXXFLAGS="$CXXFLAGS -g"
 639         fi
 640         if ! echo "$CXXFLAGS" | grep -q -e '-O'; then
 641             CXXFLAGS="$CXXFLAGS -O0"
 642         fi
 643     fi
 644 else
 645    DEFINES="$DEFINES -DNDEBUG"
 646 fi
 647
 648 if test "x$enable_sanitize" != xno; then
 649     if test "x$enable_profile" = xyes; then
 650         AC_MSG_WARN([Sanitize and Profile are enabled at the same time])
 651     fi
 652
 653     CFLAGS="$CFLAGS -fsanitize=$enable_sanitize"
 654     CXXFLAGS="$CXXFLAGS -fsanitize=$enable_sanitize"
 655     LDFLAGS="$LDFLAGS -fsanitize=$enable_sanitize"
 656
 657     AC_LINK_IFELSE(
 658         [AC_LANG_SOURCE([int main(){return 0;}])],
 659         [],
 660         [AC_MSG_FAILURE([sanitize flags '$enable_sanitize' not supported])])
 661 fi
 662
 663 dnl
 664 dnl Check if linker supports -Bsymbolic
 665 dnl
 666 save_LDFLAGS=$LDFLAGS
 667 LDFLAGS="$LDFLAGS -Wl,-Bsymbolic"
 668 AC_MSG_CHECKING([if ld supports -Bsymbolic])
 669 AC_LINK_IFELSE(
 670     [AC_LANG_SOURCE([int main() { return 0;}])],
 671     [AC_MSG_RESULT([yes])
 672         BSYMBOLIC="-Wl,-Bsymbolic";],
 673     [AC_MSG_RESULT([no])
 674         BSYMBOLIC="";])
 675 LDFLAGS=$save_LDFLAGS
 676
 677 AC_SUBST([BSYMBOLIC])
 678
 679 dnl
 680 dnl Check if linker supports garbage collection
 681 dnl
 682 save_LDFLAGS=$LDFLAGS
 683 LDFLAGS="$LDFLAGS -Wl,--gc-sections"
 684 AC_MSG_CHECKING([whether ld supports --gc-sections])
 685 AC_LINK_IFELSE(
 686     [AC_LANG_SOURCE([static char UnusedFunc() { return 5; } int main() { return 0;}])],
 687     [AC_MSG_RESULT([yes])
 688         GC_SECTIONS="-Wl,--gc-sections";],
 689     [AC_MSG_RESULT([no])
 690         GC_SECTIONS="";])
 691 LDFLAGS=$save_LDFLAGS
 692
 693 AC_SUBST([GC_SECTIONS])
 694
 695 dnl
 696 dnl OpenBSD does not have DT_NEEDED entries for libc by design
 697 dnl so when these flags are passed to ld via libtool the checks will fail
 698 dnl
 699 case "$host_os" in
 700 openbsd* | darwin* )
 701     LD_NO_UNDEFINED="" ;;
 702 *)
 703     if test "x$enable_sanitize" = xno; then
 704         LD_NO_UNDEFINED="-Wl,--no-undefined"
 705     else
 706         LD_NO_UNDEFINED=""
 707     fi
 708     ;;
 709 esac
 710
 711 AC_SUBST([LD_NO_UNDEFINED])
 712
 713 dnl
 714 dnl Check if linker supports version scripts
 715 dnl
 716 AC_MSG_CHECKING([if the linker supports version-scripts])
 717 save_LDFLAGS=$LDFLAGS
 718 LDFLAGS="$LDFLAGS -Wl,--version-script=$srcdir/build-support/conftest.map"
 719 AC_LINK_IFELSE(
 720     [AC_LANG_SOURCE([int main() { return 0;}])],
 721     [have_ld_version_script=yes;AC_MSG_RESULT(yes)],
 722     [have_ld_version_script=no; AC_MSG_RESULT(no)])
 723 LDFLAGS=$save_LDFLAGS
 724 AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$have_ld_version_script" = "yes")
 725
 726 dnl
 727 dnl Check if linker supports dynamic list files
 728 dnl
 729 AC_MSG_CHECKING([if the linker supports --dynamic-list])
 730 save_LDFLAGS=$LDFLAGS
 731 LDFLAGS="$LDFLAGS -Wl,--dynamic-list=$srcdir/build-support/conftest.dyn"
 732 AC_LINK_IFELSE(
 733     [AC_LANG_SOURCE([int main() { return 0;}])],
 734     [have_ld_dynamic_list=yes;AC_MSG_RESULT(yes)],
 735     [have_ld_dynamic_list=no; AC_MSG_RESULT(no)])
 736 LDFLAGS=$save_LDFLAGS
 737 AM_CONDITIONAL(HAVE_LD_DYNAMIC_LIST, test "$have_ld_dynamic_list" = "yes")
 738
 739 dnl
 740 dnl OSX linker does not support build-id
 741 dnl
 742 case "$host_os" in
 743 darwin*)
 744     LD_BUILD_ID=""
 745     ;;
 746 *)
 747     LD_BUILD_ID="-Wl,--build-id=sha1"
 748     ;;
 749 esac
 750 AC_SUBST([LD_BUILD_ID])
 751
 752 dnl
 753 dnl compatibility symlinks
 754 dnl
 755 case "$host_os" in
 756 linux* )
 757     HAVE_COMPAT_SYMLINKS=yes ;;
 758 * )
 759     HAVE_COMPAT_SYMLINKS=no ;;
 760 esac
 761
 762 AM_CONDITIONAL(HAVE_COMPAT_SYMLINKS, test "x$HAVE_COMPAT_SYMLINKS" = xyes)
 763
 764 dnl
 765 dnl library names
 766 dnl
 767 dnl Unfortunately we need to do a few things that libtool can't help us with,
 768 dnl so we need some knowledge of shared library filenames:
 769 dnl
 770 dnl LIB_EXT is the extension used when creating symlinks for alternate
 771 dnl filenames for a shared library which will be dynamically loaded
 772 dnl
 773 dnl IMP_LIB_EXT is the extension used when checking for the presence of a
 774 dnl the file for a shared library we wish to link with
 775 dnl
 776 case "$host_os" in
 777 darwin* )
 778     LIB_EXT='dylib'
 779     IMP_LIB_EXT=$LIB_EXT
 780     ;;
 781 cygwin* )
 782     LIB_EXT='dll'
 783     IMP_LIB_EXT='dll.a'
 784     ;;
 785 aix* )
 786     LIB_EXT='a'
 787     IMP_LIB_EXT=$LIB_EXT
 788     ;;
 789 * )
 790     LIB_EXT='so'
 791     IMP_LIB_EXT=$LIB_EXT
 792     ;;
 793 esac
 794
 795 AC_SUBST([LIB_EXT])
 796
 797 dnl
 798 dnl Arch/platform-specific settings
 799 dnl
 800 AC_ARG_ENABLE([asm],
 801     [AS_HELP_STRING([--disable-asm],
 802         [disable assembly usage @<:@default=enabled on supported platforms@:>@])],
 803     [enable_asm="$enableval"],
 804     [enable_asm=yes]
 805 )
 806 asm_arch=""
 807 AC_MSG_CHECKING([whether to enable assembly])
 808 test "x$enable_asm" = xno && AC_MSG_RESULT([no])
 809 # disable if cross compiling on x86/x86_64 since we must run gen_matypes
 810 if test "x$enable_asm" = xyes -a "x$cross_compiling" = xyes; then
 811     case "$host_cpu" in
 812     i?86 | x86_64 | amd64)
 813         if test "x$host_cpu" != "x$target_cpu"; then
 814             enable_asm=no
 815             AC_MSG_RESULT([no, cross compiling])
 816         fi
 817         ;;
 818     esac
 819 fi
 820 # check for supported arches
 821 if test "x$enable_asm" = xyes; then
 822     case "$host_cpu" in
 823     i?86)
 824         case "$host_os" in
 825         linux* | *freebsd* | dragonfly* | *netbsd* | openbsd* | gnu*)
 826             asm_arch=x86
 827             ;;
 828         esac
 829         ;;
 830     x86_64|amd64)
 831         case "$host_os" in
 832         linux* | *freebsd* | dragonfly* | *netbsd* | openbsd*)
 833             asm_arch=x86_64
 834             ;;
 835         esac
 836         ;;
 837     sparc*)
 838         case "$host_os" in
 839         linux*)
 840             asm_arch=sparc
 841             ;;
 842         esac
 843         ;;
 844     powerpc64le)
 845         case "$host_os" in
 846         linux*)
 847             asm_arch=ppc64le
 848             ;;
 849         esac
 850         ;;
 851     aarch64)
 852         case "$host_os" in
 853         linux*)
 854             asm_arch=aarch64
 855             ;;
 856         esac
 857         ;;
 858     arm)
 859         case "$host_os" in
 860         linux*)
 861             asm_arch=arm
 862             ;;
 863         esac
 864         ;;
 865     esac
 866
 867     case "$asm_arch" in
 868     x86)
 869         DEFINES="$DEFINES -DUSE_X86_ASM -DUSE_MMX_ASM -DUSE_3DNOW_ASM -DUSE_SSE_ASM"
 870         AC_MSG_RESULT([yes, x86])
 871         ;;
 872     x86_64|amd64)
 873         DEFINES="$DEFINES -DUSE_X86_64_ASM"
 874         AC_MSG_RESULT([yes, x86_64])
 875         ;;
 876     sparc)
 877         DEFINES="$DEFINES -DUSE_SPARC_ASM"
 878         AC_MSG_RESULT([yes, sparc])
 879         ;;
 880     ppc64le)
 881         DEFINES="$DEFINES -DUSE_PPC64LE_ASM"
 882         AC_MSG_RESULT([yes, ppc64le])
 883         ;;
 884     aarch64)
 885         DEFINES="$DEFINES -DUSE_AARCH64_ASM"
 886         AC_MSG_RESULT([yes, aarch64])
 887         ;;
 888     arm)
 889         DEFINES="$DEFINES -DUSE_ARM_ASM"
 890         AC_MSG_RESULT([yes, arm])
 891         ;;
 892     *)
 893         AC_MSG_RESULT([no, platform not supported])
 894         ;;
 895     esac
 896 fi
 897
 898 AC_HEADER_MAJOR
 899 AC_CHECK_HEADER([xlocale.h], [DEFINES="$DEFINES -DHAVE_XLOCALE_H"])
 900 AC_CHECK_HEADER([sys/sysctl.h], [DEFINES="$DEFINES -DHAVE_SYS_SYSCTL_H"])
 901 AC_CHECK_HEADERS([endian.h])
 902 AC_CHECK_HEADER([dlfcn.h], [DEFINES="$DEFINES -DHAVE_DLFCN_H"])
 903 AC_CHECK_FUNC([strtof], [DEFINES="$DEFINES -DHAVE_STRTOF"])
 904 AC_CHECK_FUNC([mkostemp], [DEFINES="$DEFINES -DHAVE_MKOSTEMP"])
 905 AC_CHECK_FUNC([timespec_get], [DEFINES="$DEFINES -DHAVE_TIMESPEC_GET"])
 906 AC_CHECK_FUNC([memfd_create], [DEFINES="$DEFINES -DHAVE_MEMFD_CREATE"])
 907
 908 AC_MSG_CHECKING([whether strtod has locale support])
 909 AC_LINK_IFELSE([AC_LANG_SOURCE([[
 910     #define _GNU_SOURCE
 911     #include <stdlib.h>
 912     #include <locale.h>
 913     #ifdef HAVE_XLOCALE_H
 914     #include <xlocale.h>
 915     #endif
 916     int main() {
 917        locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
 918        const char *s = "1.0";
 919        char *end;
 920        double d = strtod_l(s, end, loc);
 921        float f = strtof_l(s, end, loc);
 922        freelocale(loc);
 923        return 0;
 924     }]])],
 925   [DEFINES="$DEFINES -DHAVE_STRTOD_L"];
 926    AC_MSG_RESULT([yes]),
 927    AC_MSG_RESULT([no]))
 928
 929 dnl Check to see if dlopen is in default libraries (like Solaris, which
 930 dnl has it in libc), or if libdl is needed to get it.
 931 AC_CHECK_FUNC([dlopen], [],
 932     [AC_CHECK_LIB([dl], [dlopen],
 933        [DLOPEN_LIBS="-ldl"])])
 934 AC_SUBST([DLOPEN_LIBS])
 935
 936 dnl Check if that library also has dladdr
 937 save_LIBS="$LIBS"
 938 LIBS="$LIBS $DLOPEN_LIBS"
 939 AC_CHECK_FUNCS([dladdr])
 940 LIBS="$save_LIBS"
 941
 942 AC_CHECK_FUNC([dl_iterate_phdr], [DEFINES="$DEFINES -DHAVE_DL_ITERATE_PHDR"])
 943
 944 case "$host_os" in
 945 darwin*)
 946     ;;
 947 *)
 948     AC_CHECK_FUNCS([clock_gettime], [CLOCK_LIB=],
 949                    [AC_CHECK_LIB([rt], [clock_gettime], [CLOCK_LIB=-lrt],
 950                                  [AC_MSG_ERROR([Could not find clock_gettime])])])
 951     AC_SUBST([CLOCK_LIB])
 952     ;;
 953 esac
 954
 955 dnl See if posix_memalign is available
 956 AC_CHECK_FUNC([posix_memalign], [DEFINES="$DEFINES -DHAVE_POSIX_MEMALIGN"])
 957
 958 dnl Check for zlib
 959 PKG_CHECK_MODULES([ZLIB], [zlib >= $ZLIB_REQUIRED])
 960 DEFINES="$DEFINES -DHAVE_ZLIB"
 961
 962 dnl Check for pthreads
 963 AX_PTHREAD
 964 if test "x$ax_pthread_ok" = xno; then
 965     AC_MSG_ERROR([Building mesa on this platform requires pthreads])
 966 fi
 967 dnl AX_PTHREADS leaves PTHREAD_LIBS empty for gcc and sets PTHREAD_CFLAGS
 968 dnl to -pthread, which causes problems if we need -lpthread to appear in
 969 dnl pkgconfig files.  Since Android doesn't have a pthread lib, this check
 970 dnl is not valid for that platform.
 971 if test "x$android" = xno; then
 972     test -z "$PTHREAD_LIBS" && PTHREAD_LIBS="-lpthread"
 973 fi
 974 dnl According to the manual when using pthreads, one should add -pthread to
 975 dnl both compile and link-time arguments.
 976 dnl In practise that should be sufficient for all platforms, since any
 977 dnl platforms build with GCC and Clang support the flag.
 978 PTHREAD_LIBS="$PTHREAD_LIBS -pthread"
 979
 980 dnl pthread-stubs is mandatory on some BSD platforms, due to the nature of the
 981 dnl project. Even then there's a notable issue as described in the project README
 982 case "$host_os" in
 983 linux* | cygwin* | darwin* | solaris* | *-gnu* | gnu* | openbsd*)
 984     pthread_stubs_possible="no"
 985     ;;
 986 * )
 987     pthread_stubs_possible="yes"
 988     ;;
 989 esac
 990
 991 if test "x$pthread_stubs_possible" = xyes; then
 992     PKG_CHECK_MODULES(PTHREADSTUBS, pthread-stubs >= 0.4)
 993 fi
 994
 995 save_LIBS="$LIBS"
 996 LIBS="$PTHREAD_LIBS"
 997 AC_MSG_CHECKING(whether pthread_setaffinity_np is supported)
 998 AC_LINK_IFELSE([AC_LANG_SOURCE([[
 999     #define _GNU_SOURCE
1000     #include <pthread.h>
1001     int main() {
1002        void *a = (void*) &pthread_setaffinity_np;
1003        long b = (long) a;
1004        return (int) b;
1005     }]])],
1006   [DEFINES="$DEFINES -DHAVE_PTHREAD_SETAFFINITY"];
1007    AC_MSG_RESULT([yes]),
1008    AC_MSG_RESULT([no]))
1009 LIBS="$save_LIBS"
1010
1011 dnl Check for futex for fast inline simple_mtx_t.
1012 AC_CHECK_HEADER([linux/futex.h], [DEFINES="$DEFINES -DHAVE_LINUX_FUTEX_H"])
1013
1014 dnl SELinux awareness.
1015 AC_ARG_ENABLE([selinux],
1016     [AS_HELP_STRING([--enable-selinux],
1017         [Build SELinux-aware Mesa @<:@default=disabled@:>@])],
1018     [MESA_SELINUX="$enableval"],
1019     [MESA_SELINUX=no])
1020 if test "x$enable_selinux" = "xyes"; then
1021     PKG_CHECK_MODULES([SELINUX], [libselinux], [],
1022         [AC_CHECK_HEADER([selinux/selinux.h],[],
1023                          [AC_MSG_ERROR([SELinux headers not found])])
1024          AC_CHECK_LIB([selinux],[is_selinux_enabled],[],
1025                       [AC_MSG_ERROR([SELinux library not found])])
1026          SELINUX_LIBS="-lselinux"])
1027     DEFINES="$DEFINES -DMESA_SELINUX"
1028 fi
1029 AC_SUBST([SELINUX_CFLAGS])
1030 AC_SUBST([SELINUX_LIBS])
1031
1032 dnl
1033 dnl LLVM
1034 dnl
1035 AC_ARG_ENABLE([llvm-shared-libs],
1036     [AS_HELP_STRING([--enable-llvm-shared-libs],
1037         [link with LLVM shared libraries @<:@default=enabled@:>@])],
1038     [enable_llvm_shared_libs="$enableval"],
1039     [enable_llvm_shared_libs=yes])
1040
1041 AC_ARG_WITH([llvm-prefix],
1042     [AS_HELP_STRING([--with-llvm-prefix],
1043         [Prefix for LLVM installations in non-standard locations])],
1044     [llvm_prefix="$withval"],
1045     [llvm_prefix=''])
1046
1047 PKG_CHECK_MODULES([LIBELF], [libelf], [have_libelf=yes], [have_libelf=no])
1048 if test "x$have_libelf" = xno; then
1049    LIBELF_LIBS=''
1050    LIBELF_CFLAGS=''
1051    AC_CHECK_LIB([elf], [elf_memory], [have_libelf=yes;LIBELF_LIBS=-lelf], [have_libelf=no])
1052    AC_SUBST([LIBELF_LIBS])
1053    AC_SUBST([LIBELF_CFLAGS])
1054 fi
1055
1056 if test -z "$LLVM_CONFIG"; then
1057     if test -n "$llvm_prefix"; then
1058         AC_PATH_TOOL([LLVM_CONFIG], [llvm-config], [no], ["$llvm_prefix/bin"])
1059     else
1060         AC_PATH_TOOL([LLVM_CONFIG], [llvm-config], [no])
1061     fi
1062 fi
1063
1064 llvm_add_component() {
1065     new_llvm_component=$1
1066     driver_name=$2
1067
1068     if $LLVM_CONFIG --components | grep -iqw $new_llvm_component ; then
1069         LLVM_COMPONENTS="${LLVM_COMPONENTS} ${new_llvm_component}"
1070     else
1071         AC_MSG_ERROR([LLVM component '$new_llvm_component' not enabled in your LLVM build. Required by $driver_name.])
1072     fi
1073 }
1074
1075 llvm_add_optional_component() {
1076     new_llvm_component=$1
1077     driver_name=$2
1078
1079     if $LLVM_CONFIG --components | grep -iqw $new_llvm_component ; then
1080         LLVM_COMPONENTS="${LLVM_COMPONENTS} ${new_llvm_component}"
1081     fi
1082 }
1083
1084 llvm_add_default_components() {
1085     driver_name=$1
1086
1087     # Required default components
1088     llvm_add_component "bitwriter" $driver_name
1089     llvm_add_component "engine" $driver_name
1090     llvm_add_component "mcdisassembler" $driver_name
1091     llvm_add_component "mcjit" $driver_name
1092
1093     # Optional default components
1094     llvm_add_optional_component "inteljitevents" $driver_name
1095 }
1096
1097 llvm_add_target() {
1098     new_llvm_target=$1
1099     driver_name=$2
1100
1101     if $LLVM_CONFIG --targets-built | grep -iqw $new_llvm_target ; then
1102         llvm_add_component $new_llvm_target $driver_name
1103     else
1104         AC_MSG_ERROR([LLVM target '$new_llvm_target' not enabled in your LLVM build. Required by $driver_name.])
1105     fi
1106 }
1107
1108 # Call this inside ` ` to get the return value.
1109 # $1 is the llvm-config command with arguments.
1110 strip_unwanted_llvm_flags() {
1111     echo " `$1` " | sed -E \
1112         -e 's/[[[:space:]]]+-m[[^[:space:]]]*//g' \
1113         -e 's/[[[:space:]]]+-DNDEBUG[[[:space:]]]/ /g' \
1114         -e 's/[[[:space:]]]+-D_GNU_SOURCE[[[:space:]]]/ /g' \
1115         -e 's/[[[:space:]]]+-pedantic[[[:space:]]]/ /g' \
1116         -e 's/[[[:space:]]]+-W[[^[:space:]]]*//g' \
1117         -e 's/[[[:space:]]]+-O[[^[:space:]]]*//g' \
1118         -e 's/[[[:space:]]]+-g[[^[:space:]]]*//g' \
1119         -e 's/-fno-rtti[[[:space:]]]/-Fno-rtti /g' \
1120         -e 's/[[[:space:]]]+-f[[^[:space:]]]*//g' \
1121         -e 's/-Fno-rtti[[[:space:]]]/-fno-rtti /g' \
1122         -e 's/^[[[:space:]]]//' \
1123         -e 's/[[[:space:]]]$//'
1124 }
1125
1126 llvm_set_environment_variables() {
1127     if test "x$LLVM_CONFIG" != xno; then
1128         LLVM_VERSION=`$LLVM_CONFIG --version | egrep -o '^[[0-9.]]+'`
1129         LLVM_CPPFLAGS=`strip_unwanted_llvm_flags "$LLVM_CONFIG --cppflags"`
1130         LLVM_INCLUDEDIR=`$LLVM_CONFIG --includedir`
1131         LLVM_LIBDIR=`$LLVM_CONFIG --libdir`
1132
1133         # We need to respect LLVM_CPPFLAGS when compiling LLVM headers.
1134         save_CFLAGS="$CFLAGS"
1135         CFLAGS="$CFLAGS $LLVM_CPPFLAGS"
1136
1137         AC_COMPUTE_INT([LLVM_VERSION_MAJOR], [LLVM_VERSION_MAJOR],
1138             [#include "${LLVM_INCLUDEDIR}/llvm/Config/llvm-config.h"])
1139         AC_COMPUTE_INT([LLVM_VERSION_MINOR], [LLVM_VERSION_MINOR],
1140             [#include "${LLVM_INCLUDEDIR}/llvm/Config/llvm-config.h"])
1141         AC_COMPUTE_INT([LLVM_VERSION_PATCH], [LLVM_VERSION_PATCH],
1142             [#include "${LLVM_INCLUDEDIR}/llvm/Config/llvm-config.h"])
1143
1144         CFLAGS="$save_CFLAGS"
1145
1146         # Only needed for LLVM < 3.6.0
1147         if test -z "$LLVM_VERSION_PATCH"; then
1148             LLVM_VERSION_PATCH=0
1149         fi
1150
1151         LLVM_VERSION_INT="${LLVM_VERSION_MAJOR}0${LLVM_VERSION_MINOR}"
1152
1153         FOUND_LLVM=yes
1154     else
1155         FOUND_LLVM=no
1156         LLVM_VERSION_INT=0
1157     fi
1158 }
1159
1160 require_llvm() {
1161     if test "x$enable_llvm" != "xyes"; then
1162         AC_MSG_ERROR([--enable-llvm is required when building $1])
1163     fi
1164 }
1165
1166 llvm_require_version() {
1167     require_llvm $2
1168
1169     llvm_target_version_major=`echo $1 | cut -d. -f1 | egrep -o '^[[0-9]]+'`
1170     llvm_target_version_minor=`echo $1 | cut -d. -f2 | egrep -o '^[[0-9]]+'`
1171     llvm_target_version_patch=`echo $1 | cut -d. -f3 | egrep -o '^[[0-9]]+'`
1172
1173     if test "$LLVM_VERSION_MAJOR" -gt "$llvm_target_version_major"; then
1174         # major > required major
1175         #  --> OK
1176         return
1177     fi
1178
1179     if test "$LLVM_VERSION_MAJOR" -eq "$llvm_target_version_major"; then
1180         if test "$LLVM_VERSION_MINOR" -gt "$llvm_target_version_minor"; then
1181             # major = required major and
1182             # minor > required minor
1183             #  --> OK
1184             return
1185         else
1186             if test "$LLVM_VERSION_MINOR" -eq "$llvm_target_version_minor"; then
1187                 if test "$LLVM_VERSION_PATCH" -ge "$llvm_target_version_patch"; then
1188                     # major = required major and
1189                     # minor = required minor and
1190                     # patch >= required patch
1191                     #  --> OK
1192                     return
1193                 fi
1194             fi
1195         fi
1196     fi
1197
1198     AC_MSG_ERROR([LLVM $1 or newer is required for $2])
1199 }
1200
1201 radeon_llvm_check() {
1202     if test ${LLVM_VERSION_INT} -lt 307; then
1203         amdgpu_llvm_target_name='r600'
1204     else
1205         amdgpu_llvm_target_name='amdgpu'
1206     fi
1207
1208     llvm_require_version $*
1209
1210     llvm_add_target $amdgpu_llvm_target_name $2
1211
1212     llvm_add_default_components $2
1213     llvm_add_component "bitreader" $2
1214     llvm_add_component "ipo" $2
1215
1216     if test "x$have_libelf" != xyes; then
1217        AC_MSG_ERROR([$2 requires libelf when using llvm])
1218     fi
1219 }
1220
1221 llvm_set_environment_variables
1222
1223 AC_SUBST([LLVM_CFLAGS])
1224 AC_SUBST([LLVM_CXXFLAGS])
1225 AC_SUBST([LLVM_LIBS])
1226 AC_SUBST([LLVM_LDFLAGS])
1227 AC_SUBST([LLVM_INCLUDEDIR])
1228
1229 dnl
1230 dnl libunwind
1231 dnl
1232 PKG_CHECK_EXISTS(libunwind, [HAVE_LIBUNWIND=yes], [HAVE_LIBUNWIND=no])
1233 AC_ARG_ENABLE([libunwind],
1234     [AS_HELP_STRING([--enable-libunwind],
1235             [Use libunwind for backtracing (default: auto)])],
1236         [LIBUNWIND="$enableval"],
1237         [LIBUNWIND="$HAVE_LIBUNWIND"])
1238
1239 if test "x$LIBUNWIND" = "xyes"; then
1240     PKG_CHECK_MODULES(LIBUNWIND, libunwind)
1241     AC_DEFINE(HAVE_LIBUNWIND, 1, [Have libunwind support])
1242 fi
1243
1244
1245 dnl Options for APIs
1246 AC_ARG_ENABLE([opengl],
1247     [AS_HELP_STRING([--disable-opengl],
1248         [disable support for standard OpenGL API @<:@default=enabled@:>@])],
1249     [enable_opengl="$enableval"],
1250     [enable_opengl=yes])
1251 AC_ARG_ENABLE([gles1],
1252     [AS_HELP_STRING([--disable-gles1],
1253         [disable support for OpenGL ES 1.x API @<:@default=enabled@:>@])],
1254     [enable_gles1="$enableval"],
1255     [enable_gles1=yes])
1256 AC_ARG_ENABLE([gles2],
1257     [AS_HELP_STRING([--disable-gles2],
1258         [disable support for OpenGL ES 2.x API @<:@default=enabled@:>@])],
1259     [enable_gles2="$enableval"],
1260     [enable_gles2=yes])
1261
1262 AC_ARG_ENABLE([dri],
1263     [AS_HELP_STRING([--enable-dri],
1264         [enable DRI modules @<:@default=enabled@:>@])],
1265     [enable_dri="$enableval"],
1266     [enable_dri=yes])
1267
1268 AC_ARG_ENABLE([gallium-extra-hud],
1269     [AS_HELP_STRING([--enable-gallium-extra-hud],
1270         [enable HUD block/NIC I/O HUD stats support @<:@default=disabled@:>@])],
1271     [enable_gallium_extra_hud="$enableval"],
1272     [enable_gallium_extra_hud=no])
1273 AM_CONDITIONAL(HAVE_GALLIUM_EXTRA_HUD, test "x$enable_gallium_extra_hud" = xyes)
1274 if test "x$enable_gallium_extra_hud" = xyes ; then
1275     DEFINES="${DEFINES} -DHAVE_GALLIUM_EXTRA_HUD=1"
1276 fi
1277
1278 #TODO: no pkgconfig .pc available for libsensors.
1279 #PKG_CHECK_MODULES([LIBSENSORS], [libsensors >= $LIBSENSORS_REQUIRED], [enable_lmsensors=yes], [enable_lmsensors=no])
1280 AC_ARG_ENABLE([lmsensors],
1281     [AS_HELP_STRING([--enable-lmsensors],
1282         [enable HUD lmsensor support @<:@default=disabled@:>@])],
1283     [enable_lmsensors="$enableval"],
1284     [enable_lmsensors=no])
1285 AM_CONDITIONAL(HAVE_LIBSENSORS, test "x$enable_lmsensors" = xyes)
1286 if test "x$enable_lmsensors" = xyes ; then
1287     DEFINES="${DEFINES} -DHAVE_LIBSENSORS=1"
1288     LIBSENSORS_LIBS="-lsensors"
1289 else
1290     LIBSENSORS_LIBS=""
1291 fi
1292 AC_SUBST(LIBSENSORS_LIBS)
1293
1294 case "$host_os" in
1295 linux*)
1296     dri3_default=yes
1297     ;;
1298 *)
1299     dri3_default=no
1300     ;;
1301 esac
1302
1303 if test "x$enable_dri" = xno; then
1304     dri3_default=no
1305 fi
1306
1307 AC_ARG_ENABLE([dri3],
1308     [AS_HELP_STRING([--enable-dri3],
1309         [enable DRI3 @<:@default=auto@:>@])],
1310     [enable_dri3="$enableval"],
1311     [enable_dri3="$dri3_default"])
1312 AC_ARG_ENABLE([glx],
1313     [AS_HELP_STRING([--enable-glx@<:@=dri|xlib|gallium-xlib@:>@],
1314         [enable the GLX library and choose an implementation @<:@default=auto@:>@])],
1315     [enable_glx="$enableval"],
1316     [enable_glx=yes])
1317 AC_ARG_ENABLE([osmesa],
1318     [AS_HELP_STRING([--enable-osmesa],
1319         [enable OSMesa library @<:@default=disabled@:>@])],
1320     [enable_osmesa="$enableval"],
1321     [enable_osmesa=no])
1322 AC_ARG_ENABLE([gallium-osmesa],
1323     [AS_HELP_STRING([--enable-gallium-osmesa],
1324         [enable Gallium implementation of the OSMesa library @<:@default=disabled@:>@])],
1325     [enable_gallium_osmesa="$enableval"],
1326     [enable_gallium_osmesa=no])
1327 AC_ARG_ENABLE([egl],
1328     [AS_HELP_STRING([--disable-egl],
1329         [disable EGL library @<:@default=enabled@:>@])],
1330     [enable_egl="$enableval"],
1331     [enable_egl=yes])
1332
1333 AC_ARG_ENABLE([xa],
1334     [AS_HELP_STRING([--enable-xa],
1335         [enable build of the XA X Acceleration API @<:@default=disabled@:>@])],
1336     [enable_xa="$enableval"],
1337     [enable_xa=no])
1338 AC_ARG_ENABLE([gbm],
1339    [AS_HELP_STRING([--enable-gbm],
1340          [enable gbm library @<:@default=yes except cygwin and macOS@:>@])],
1341    [enable_gbm="$enableval"],
1342    [case "$host_os" in
1343        cygwin* | darwin*)
1344           enable_gbm=no
1345           ;;
1346        *)
1347           enable_gbm=yes
1348           ;;
1349     esac])
1350 AC_ARG_ENABLE([nine],
1351     [AS_HELP_STRING([--enable-nine],
1352         [enable build of the nine Direct3D9 API @<:@default=no@:>@])],
1353     [enable_nine="$enableval"],
1354     [enable_nine=no])
1355
1356 AC_ARG_ENABLE([xvmc],
1357    [AS_HELP_STRING([--enable-xvmc],
1358          [enable xvmc library @<:@default=auto@:>@])],
1359    [enable_xvmc="$enableval"],
1360    [enable_xvmc=auto])
1361 AC_ARG_ENABLE([vdpau],
1362    [AS_HELP_STRING([--enable-vdpau],
1363          [enable vdpau library @<:@default=auto@:>@])],
1364    [enable_vdpau="$enableval"],
1365    [enable_vdpau=auto])
1366 AC_ARG_ENABLE([omx],
1367    [AS_HELP_STRING([--enable-omx],
1368          [DEPRECATED: Use --enable-omx-bellagio or --enable-omx-tizonia instead @<:@default=auto@:>@])],
1369    [AC_MSG_ERROR([--enable-omx is deprecated. Use --enable-omx-bellagio or --enable-omx-tizonia instead.])],
1370    [])
1371 AC_ARG_ENABLE([omx-bellagio],
1372    [AS_HELP_STRING([--enable-omx-bellagio],
1373          [enable OpenMAX Bellagio library @<:@default=disabled@:>@])],
1374    [enable_omx_bellagio="$enableval"],
1375    [enable_omx_bellagio=no])
1376 AC_ARG_ENABLE([omx-tizonia],
1377    [AS_HELP_STRING([--enable-omx-tizonia],
1378          [enable OpenMAX Tizonia library @<:@default=disabled@:>@])],
1379    [enable_omx_tizonia="$enableval"],
1380    [enable_omx_tizonia=no])
1381 AC_ARG_ENABLE([va],
1382    [AS_HELP_STRING([--enable-va],
1383          [enable va library @<:@default=auto@:>@])],
1384    [enable_va="$enableval"],
1385    [enable_va=auto])
1386 AC_ARG_ENABLE([opencl],
1387    [AS_HELP_STRING([--enable-opencl],
1388          [enable OpenCL library @<:@default=disabled@:>@])],
1389    [enable_opencl="$enableval"],
1390    [enable_opencl=no])
1391 AC_ARG_ENABLE([opencl_icd],
1392    [AS_HELP_STRING([--enable-opencl-icd],
1393           [Build an OpenCL ICD library to be loaded by an ICD implementation
1394            @<:@default=enabled@:>@])],
1395     [enable_opencl_icd="$enableval"],
1396     [enable_opencl_icd=yes])
1397
1398 AC_ARG_ENABLE([gallium-tests],
1399     [AS_HELP_STRING([--enable-gallium-tests],
1400         [Enable optional Gallium tests) @<:@default=disabled@:>@])],
1401     [enable_gallium_tests="$enableval"],
1402     [enable_gallium_tests=no])
1403
1404 # Option for Gallium drivers
1405
1406 # Keep this in sync with the --with-gallium-drivers help string default value
1407 GALLIUM_DRIVERS_DEFAULT="r300,r600,svga,swrast"
1408
1409 AC_ARG_WITH([gallium-drivers],
1410     [AS_HELP_STRING([--with-gallium-drivers@<:@=DIRS...@:>@],
1411         [comma delimited Gallium drivers list, e.g.
1412         "i915,nouveau,r300,r600,radeonsi,freedreno,kmsro,svga,swrast,swr,tegra,v3d,vc4,virgl,etnaviv"
1413         @<:@default=r300,r600,svga,swrast@:>@])],
1414     [with_gallium_drivers="$withval"],
1415     [with_gallium_drivers="$GALLIUM_DRIVERS_DEFAULT"])
1416
1417 # Doing '--without-gallium-drivers' will set this variable to 'no'.  Clear it
1418 # here so that the script doesn't choke on an unknown driver name later.
1419 case "$with_gallium_drivers" in
1420     yes) with_gallium_drivers="$GALLIUM_DRIVERS_DEFAULT" ;;
1421     no) with_gallium_drivers='' ;;
1422 esac
1423
1424 if test "x$enable_opengl" = xno -a \
1425         "x$enable_gles1" = xno -a \
1426         "x$enable_gles2" = xno -a \
1427         "x$enable_nine" = xno -a \
1428         "x$enable_xa" = xno -a \
1429         "x$enable_xvmc" = xno -a \
1430         "x$enable_vdpau" = xno -a \
1431         "x$enable_omx_bellagio" = xno -a \
1432         "x$enable_omx_tizonia" = xno -a \
1433         "x$enable_va" = xno -a \
1434         "x$enable_opencl" = xno; then
1435     AC_MSG_ERROR([at least one API should be enabled])
1436 fi
1437
1438 if test "x$enable_omx_bellagio" = xyes -a \
1439         "x$enable_omx_tizonia" = xyes; then
1440    AC_MSG_ERROR([Can't enable both bellagio and tizonia at same time])
1441 fi
1442
1443 # Building OpenGL ES1 and/or ES2 without OpenGL is not supported on mesa 9.0.x
1444 if test "x$enable_opengl" = xno -a \
1445         "x$enable_gles1" = xyes; then
1446     AC_MSG_ERROR([Building OpenGL ES1 without OpenGL is not supported])
1447 fi
1448
1449 if test "x$enable_opengl" = xno -a \
1450         "x$enable_gles2" = xyes; then
1451     AC_MSG_ERROR([Building OpenGL ES2 without OpenGL is not supported])
1452 fi
1453
1454 AM_CONDITIONAL(HAVE_OPENGL, test "x$enable_opengl" = xyes)
1455 AM_CONDITIONAL(HAVE_OPENGL_ES1, test "x$enable_gles1" = xyes)
1456 AM_CONDITIONAL(HAVE_OPENGL_ES2, test "x$enable_gles2" = xyes)
1457 AM_CONDITIONAL(NEED_OPENGL_COMMON, test "x$enable_opengl" = xyes -o \
1458                                         "x$enable_gles1" = xyes -o \
1459                                         "x$enable_gles2" = xyes)
1460 AM_CONDITIONAL(NEED_KHRPLATFORM, test "x$enable_egl" = xyes -o \
1461                                       "x$enable_opengl" = xyes -o \
1462                                       "x$enable_gles1" = xyes -o \
1463                                       "x$enable_gles2" = xyes)
1464
1465 # Validate GLX options
1466 if test "x$enable_glx" = xyes; then
1467     if test "x$enable_dri" = xyes; then
1468         enable_glx=dri
1469     elif test -n "$with_gallium_drivers"; then
1470         enable_glx=gallium-xlib
1471     else
1472         enable_glx=xlib
1473     fi
1474 fi
1475 case "x$enable_glx" in
1476 xdri | xxlib | xgallium-xlib)
1477     # GLX requires OpenGL
1478     if test "x$enable_opengl" = xno; then
1479         AC_MSG_ERROR([GLX cannot be built without OpenGL])
1480     fi
1481
1482     # Check individual dependencies
1483     case "x$enable_glx" in
1484     xdri)
1485         if test "x$enable_dri" = xno; then
1486             AC_MSG_ERROR([DRI-based GLX requires DRI to be enabled])
1487         fi
1488         ;;
1489     xxlib)
1490         if test "x$enable_dri" = xyes; then
1491             AC_MSG_ERROR([Xlib-based GLX cannot be built with DRI enabled])
1492         fi
1493         ;;
1494     xgallium-xlib )
1495         if test "x$enable_dri" = xyes; then
1496             AC_MSG_ERROR([Xlib-based (Gallium) GLX cannot be built with DRI enabled])
1497         fi
1498         if test -z "$with_gallium_drivers"; then
1499             AC_MSG_ERROR([Xlib-based (Gallium) GLX cannot be built without Gallium enabled])
1500         fi
1501         ;;
1502     esac
1503     ;;
1504 xno)
1505     ;;
1506 *)
1507     AC_MSG_ERROR([Illegal value for --enable-glx: $enable_glx])
1508     ;;
1509 esac
1510
1511 AM_CONDITIONAL(HAVE_GLX, test "x$enable_glx" != xno)
1512 AM_CONDITIONAL(HAVE_DRI_GLX, test "x$enable_glx" = xdri)
1513 AM_CONDITIONAL(HAVE_XLIB_GLX, test "x$enable_glx" = xxlib)
1514 AM_CONDITIONAL(HAVE_GALLIUM_XLIB_GLX, test "x$enable_glx" = xgallium-xlib)
1515
1516 DEFAULT_GL_LIB_NAME=GL
1517
1518 dnl
1519 dnl Libglvnd configuration
1520 dnl
1521 AC_ARG_ENABLE([libglvnd],
1522     [AS_HELP_STRING([--enable-libglvnd],
1523         [Build GLX and EGL for libglvnd @<:@default=disabled@:>@])],
1524     [enable_libglvnd="$enableval"],
1525     [enable_libglvnd=no])
1526 AM_CONDITIONAL(USE_LIBGLVND, test "x$enable_libglvnd" = xyes)
1527
1528 if test "x$enable_libglvnd" = xyes ; then
1529     case "x$enable_glx" in
1530     xxlib | xgallium-xlib )
1531         AC_MSG_ERROR([cannot build libgvnd when Xlib-GLX or Gallium-Xlib-GLX is enabled])
1532         ;;
1533     esac
1534
1535     PKG_CHECK_MODULES([GLVND], libglvnd >= 0.2.0)
1536     LIBGLVND_DATADIR=`$PKG_CONFIG --variable=datadir libglvnd`
1537     AC_SUBST([LIBGLVND_DATADIR])
1538
1539     DEFINES="${DEFINES} -DUSE_LIBGLVND=1"
1540     DEFAULT_GL_LIB_NAME=GLX_mesa
1541
1542     if test "x$enable_glx" = xno -a "x$enable_egl" = xno; then
1543         AC_MSG_ERROR([cannot build libglvnd without GLX or EGL])
1544     fi
1545 fi
1546
1547 AC_ARG_WITH([gl-lib-name],
1548   [AS_HELP_STRING([--with-gl-lib-name@<:@=NAME@:>@],
1549     [specify GL library name @<:@default=GL@:>@])],
1550   [AC_MSG_ERROR([--with-gl-lib-name is no longer supported. Rename the library manually if needed.])],
1551   [])
1552 AC_ARG_WITH([osmesa-lib-name],
1553   [AS_HELP_STRING([--with-osmesa-lib-name@<:@=NAME@:>@],
1554     [specify OSMesa library name @<:@default=OSMesa@:>@])],
1555   [AC_MSG_ERROR([--with-osmesa-lib-name is no longer supported. Rename the library manually if needed.])],
1556   [])
1557 GL_LIB="$DEFAULT_GL_LIB_NAME"
1558 OSMESA_LIB=OSMesa
1559
1560 AC_ARG_WITH([egl-lib-suffix],
1561   [AS_HELP_STRING([--with-egl-lib-suffix@<:@=NAME@:>@],
1562     [specify EGL library suffix @<:@default=none@:>@])],
1563   [EGL_LIB_SUFFIX=$withval],
1564   [EGL_LIB_SUFFIX=""])
1565 AC_ARG_WITH([gles-lib-suffix],
1566   [AS_HELP_STRING([--with-gles-lib-suffix@<:@=NAME@:>@],
1567     [specify GLES library suffix @<:@default=none@:>@])],
1568   [GLES_LIB_SUFFIX=$withval],
1569   [GLES_LIB_SUFFIX=""])
1570 AS_IF([test "x$EGL_LIB_SUFFIX" = xyes], [EGL_LIB_SUFFIX=""])
1571 AS_IF([test "x$GLES_LIB_SUFFIX" = xyes], [GLES_LIB_SUFFIX=""])
1572
1573 if test "x$enable_libglvnd" = xyes -a "x$EGL_LIB_SUFFIX" != x; then
1574     AC_MSG_ERROR([EGL lib suffix can't be used with libglvnd])
1575 fi
1576
1577 dnl
1578 dnl Mangled Mesa support
1579 dnl
1580 AC_ARG_ENABLE([mangling],
1581   [AS_HELP_STRING([--enable-mangling],
1582     [enable mangled symbols and library name @<:@default=disabled@:>@])],
1583   [enable_mangling="${enableval}"],
1584   [enable_mangling=no]
1585 )
1586 if test "x${enable_mangling}" = "xyes" ; then
1587   if test "x$enable_libglvnd" = xyes; then
1588     AC_MSG_ERROR([Conflicting options --enable-mangling and --enable-libglvnd.])
1589   fi
1590   DEFINES="${DEFINES} -DUSE_MGL_NAMESPACE"
1591   GL_LIB="Mangled${GL_LIB}"
1592   OSMESA_LIB="Mangled${OSMESA_LIB}"
1593 fi
1594 AC_SUBST([GL_LIB])
1595 AC_SUBST([EGL_LIB_SUFFIX])
1596 AC_SUBST([GLES_LIB_SUFFIX])
1597 AC_SUBST([OSMESA_LIB])
1598
1599 dnl HACK when building glx + glvnd we ship gl.pc, despite that glvnd should do it
1600 dnl Thus we need to use GL as a DSO name.
1601 if test "x$enable_libglvnd" = xyes -a "x$enable_glx" != xno; then
1602   GL_PKGCONF_LIB="GL"
1603 else
1604   GL_PKGCONF_LIB="$GL_LIB"
1605 fi
1606 AC_SUBST([GL_PKGCONF_LIB])
1607
1608 # Check for libdrm
1609 PKG_CHECK_MODULES([LIBDRM], [libdrm >= $LIBDRM_REQUIRED],
1610                   [have_libdrm=yes], [have_libdrm=no])
1611 if test "x$have_libdrm" = xyes; then
1612     DEFINES="$DEFINES -DHAVE_LIBDRM"
1613 fi
1614
1615 require_libdrm() {
1616     if test "x$have_libdrm" != xyes; then
1617        AC_MSG_ERROR([$1 requires libdrm >= $LIBDRM_REQUIRED])
1618     fi
1619 }
1620
1621
1622 # Select which platform-dependent DRI code gets built
1623 case "$host_os" in
1624 darwin*)
1625     dri_platform='apple' ;;
1626 cygwin*)
1627     dri_platform='windows' ;;
1628 gnu*)
1629     dri_platform='none' ;;
1630 *)
1631     dri_platform='drm' ;;
1632 esac
1633
1634 if test "x$enable_dri" = xyes -a "x$dri_platform" = xdrm -a "x$have_libdrm" = xyes; then
1635     have_drisw_kms='yes'
1636 fi
1637
1638 AM_CONDITIONAL(HAVE_DRICOMMON, test "x$enable_dri" = xyes )
1639 AM_CONDITIONAL(HAVE_DRISW, test "x$enable_dri" = xyes )
1640 AM_CONDITIONAL(HAVE_DRISW_KMS, test "x$have_drisw_kms" = xyes )
1641 AM_CONDITIONAL(HAVE_DRI2, test "x$enable_dri" = xyes -a "x$dri_platform" = xdrm -a "x$have_libdrm" = xyes )
1642 AM_CONDITIONAL(HAVE_DRI3, test "x$enable_dri3" = xyes -a "x$dri_platform" = xdrm -a "x$have_libdrm" = xyes )
1643 AM_CONDITIONAL(HAVE_APPLEDRI, test "x$enable_dri" = xyes -a "x$dri_platform" = xapple )
1644 AM_CONDITIONAL(HAVE_LMSENSORS, test "x$enable_lmsensors" = xyes )
1645 AM_CONDITIONAL(HAVE_GALLIUM_EXTRA_HUD, test "x$enable_gallium_extra_hud" = xyes )
1646 AM_CONDITIONAL(HAVE_WINDOWSDRI, test "x$enable_dri" = xyes -a "x$dri_platform" = xwindows )
1647 AM_CONDITIONAL(HAVE_XLEASE, test "x$have_xlease" = xyes )
1648
1649 AC_ARG_ENABLE([shared-glapi],
1650     [AS_HELP_STRING([--enable-shared-glapi],
1651         [Enable shared glapi for OpenGL @<:@default=enabled@:>@])],
1652     [enable_shared_glapi="$enableval"],
1653     [enable_shared_glapi=yes])
1654
1655 case "x$enable_opengl$enable_gles1$enable_gles2" in
1656 x*yes*yes*)
1657     if test "x$enable_shared_glapi" = xno; then
1658         AC_MSG_ERROR([shared GLAPI required when building two or more of
1659                       the following APIs - opengl, gles1 gles2])
1660     fi
1661     ;;
1662 esac
1663
1664 AM_CONDITIONAL(HAVE_SHARED_GLAPI, test "x$enable_shared_glapi" = xyes)
1665
1666 # Build the pipe-drivers as separate libraries/modules.
1667 # Do not touch this unless you know what you are doing.
1668 # XXX: Expose via configure option ?
1669 enable_shared_pipe_drivers=no
1670
1671 dnl
1672 dnl Driver specific build directories
1673 dnl
1674
1675 if test "x$enable_gallium_osmesa" = xyes; then
1676     if ! echo "$with_gallium_drivers" | grep -q 'swrast'; then
1677         AC_MSG_ERROR([gallium_osmesa requires the gallium swrast driver])
1678     fi
1679     if test "x$enable_osmesa" = xyes; then
1680         AC_MSG_ERROR([Cannot enable both classic and Gallium OSMesa implementations])
1681     fi
1682 fi
1683
1684 require_dri_shared_libs_and_glapi() {
1685     if test "x$enable_static" = xyes; then
1686         AC_MSG_ERROR([$1 cannot be build as static library])
1687     fi
1688
1689     if test "x$enable_dri" != xyes; then
1690         # There is only a single backend which won't be build/used otherwise.
1691         # XXX: Revisit this as the egl/haiku is a thing.
1692         AC_MSG_ERROR([$1 requires --enable-dri])
1693     fi
1694
1695     if test "x$enable_shared_glapi" != xyes; then
1696         AC_MSG_ERROR([$1 requires --enable-shared-glapi])
1697     fi
1698 }
1699
1700 if test "x$enable_dri" = xyes; then
1701     require_dri_shared_libs_and_glapi "DRI"
1702
1703     # not a hard requirement as swrast does not depend on it
1704     if test "x$have_libdrm" = xyes; then
1705         DRI_PC_REQ_PRIV="libdrm >= $LIBDRM_REQUIRED"
1706     fi
1707 fi
1708
1709 AC_ARG_ENABLE([driglx-direct],
1710     [AS_HELP_STRING([--disable-driglx-direct],
1711         [disable direct rendering in GLX and EGL for DRI \
1712             @<:@default=enabled@:>@])],
1713     [driglx_direct="$enableval"],
1714     [driglx_direct="yes"])
1715
1716 dnl
1717 dnl libGL configuration per driver
1718 dnl
1719 if test "x$enable_glx" != xno; then
1720     PKG_CHECK_MODULES([GLPROTO], [glproto >= $GLPROTO_REQUIRED])
1721 fi
1722 case "x$enable_glx" in
1723 xxlib | xgallium-xlib)
1724     # Xlib-based GLX
1725     dri_modules="x11 xext xcb"
1726     PKG_CHECK_MODULES([XLIBGL], [$dri_modules])
1727     GL_PC_REQ_PRIV="$GL_PC_REQ_PRIV $dri_modules"
1728     X11_INCLUDES="$X11_INCLUDES $XLIBGL_CFLAGS"
1729     GL_LIB_DEPS="$XLIBGL_LIBS"
1730     GL_LIB_DEPS="$GL_LIB_DEPS $SELINUX_LIBS -lm $PTHREAD_LIBS $DLOPEN_LIBS"
1731     GL_PC_LIB_PRIV="$GL_PC_LIB_PRIV $SELINUX_LIBS -lm $PTHREAD_LIBS"
1732     ;;
1733 xdri)
1734     # DRI-based GLX
1735
1736     require_dri_shared_libs_and_glapi "GLX"
1737
1738     # find the DRI deps for libGL
1739     dri_modules="x11 xext xdamage >= $XDAMAGE_REQUIRED xfixes x11-xcb xcb xcb-glx >= $XCBGLX_REQUIRED"
1740
1741     if test x"$driglx_direct" = xyes; then
1742         if test x"$dri_platform" = xdrm ; then
1743             DEFINES="$DEFINES -DGLX_USE_DRM"
1744             require_libdrm "Direct rendering"
1745
1746             PKG_CHECK_MODULES([DRI2PROTO], [dri2proto >= $DRI2PROTO_REQUIRED])
1747             GL_PC_REQ_PRIV="$GL_PC_REQ_PRIV libdrm >= $LIBDRM_REQUIRED"
1748
1749             if test x"$enable_dri" = xyes; then
1750                dri_modules="$dri_modules xcb-dri2 >= $XCBDRI2_REQUIRED"
1751             fi
1752
1753             dri_modules="$dri_modules xxf86vm"
1754         fi
1755         if test x"$dri_platform" = xapple ; then
1756             DEFINES="$DEFINES -DGLX_USE_APPLEGL"
1757         fi
1758         if test x"$dri_platform" = xwindows ; then
1759             DEFINES="$DEFINES -DGLX_USE_WINDOWSGL"
1760         fi
1761     fi
1762
1763     PKG_CHECK_MODULES([DRIGL], [$dri_modules])
1764     GL_PC_REQ_PRIV="$GL_PC_REQ_PRIV $dri_modules"
1765     X11_INCLUDES="$X11_INCLUDES $DRIGL_CFLAGS"
1766     GL_LIB_DEPS="$DRIGL_LIBS"
1767
1768     # need DRM libs, $PTHREAD_LIBS, etc.
1769     GL_LIB_DEPS="$GL_LIB_DEPS $LIBDRM_LIBS -lm $PTHREAD_LIBS $DLOPEN_LIBS"
1770     GL_PC_LIB_PRIV="-lm $PTHREAD_LIBS $DLOPEN_LIBS"
1771     ;;
1772 esac
1773
1774 GLESv1_CM_LIB_DEPS="$LIBDRM_LIBS -lm $PTHREAD_LIBS $DLOPEN_LIBS"
1775 GLESv1_CM_PC_LIB_PRIV="-lm $PTHREAD_LIBS $DLOPEN_LIBS"
1776 GLESv2_LIB_DEPS="$LIBDRM_LIBS -lm $PTHREAD_LIBS $DLOPEN_LIBS"
1777 GLESv2_PC_LIB_PRIV="-lm $PTHREAD_LIBS $DLOPEN_LIBS"
1778
1779 AC_SUBST([X11_INCLUDES])
1780 AC_SUBST([GL_LIB_DEPS])
1781 AC_SUBST([GL_PC_REQ_PRIV])
1782 AC_SUBST([GL_PC_LIB_PRIV])
1783 AC_SUBST([GL_PC_CFLAGS])
1784 AC_SUBST([DRI_PC_REQ_PRIV])
1785 AC_SUBST([GLESv1_CM_LIB_DEPS])
1786 AC_SUBST([GLESv1_CM_PC_LIB_PRIV])
1787 AC_SUBST([GLESv2_LIB_DEPS])
1788 AC_SUBST([GLESv2_PC_LIB_PRIV])
1789
1790 dnl
1791 dnl More GLX setup
1792 dnl
1793 case "x$enable_glx" in
1794 xxlib | xgallium-xlib)
1795     DEFINES="$DEFINES -DUSE_XSHM"
1796     ;;
1797 xdri)
1798     DEFINES="$DEFINES -DGLX_INDIRECT_RENDERING"
1799     if test "x$driglx_direct" = xyes; then
1800         DEFINES="$DEFINES -DGLX_DIRECT_RENDERING"
1801     fi
1802     ;;
1803 esac
1804
1805 dnl
1806 dnl TLS detection
1807 dnl
1808
1809 AC_ARG_ENABLE([glx-tls],
1810     [AS_HELP_STRING([--enable-glx-tls],
1811         [enable TLS support in GLX @<:@default=enabled@:>@])],
1812     [GLX_USE_TLS="$enableval"],
1813     [GLX_USE_TLS=yes])
1814 AC_SUBST(GLX_TLS, ${GLX_USE_TLS})
1815
1816 if test "x$GLX_USE_TLS" = xyes; then
1817     DEFINES="$DEFINES -DGLX_USE_TLS"
1818 fi
1819
1820 dnl Read-only text section on x86 hardened platforms
1821 AC_ARG_ENABLE([glx-read-only-text],
1822     [AS_HELP_STRING([--enable-glx-read-only-text],
1823         [Disable writable .text section on x86 (decreases performance) @<:@default=disabled@:>@])],
1824     [enable_glx_read_only_text="$enableval"],
1825     [enable_glx_read_only_text=no])
1826 if test "x$enable_glx_read_only_text" = xyes; then
1827     DEFINES="$DEFINES -DGLX_X86_READONLY_TEXT"
1828 fi
1829
1830 dnl
1831 dnl DEPRECATED: EGL Platforms configuration
1832 dnl
1833 AC_ARG_WITH([egl-platforms],
1834     [AS_HELP_STRING([--with-egl-platforms@<:@=DIRS...@:>@],
1835         [DEPRECATED: use --with-platforms instead@<:@default=auto@:>@])],
1836     [with_egl_platforms="$withval"],
1837     [with_egl_platforms=auto])
1838
1839 if test "x$with_egl_platforms" = xauto; then
1840     with_egl_platforms="x11,surfaceless"
1841     if test "x$enable_gbm" = xyes; then
1842         with_egl_platforms="$with_egl_platforms,drm"
1843     fi
1844 else
1845     AC_MSG_WARN([--with-egl-platforms is deprecated. Use --with-platforms instead.])
1846 fi
1847
1848 dnl
1849 dnl Platforms configuration
1850 dnl
1851 AC_ARG_WITH([platforms],
1852     [AS_HELP_STRING([--with-platforms@<:@=DIRS...@:>@],
1853         [comma delimited native platforms libEGL/Vulkan/other supports, e.g.
1854         "x11,drm,wayland,surfaceless..." @<:@default=auto@:>@])],
1855     [with_platforms="$withval"],
1856     [with_platforms=auto])
1857
1858 # Reuse the autodetection rather than duplicating it.
1859 if test "x$with_platforms" = xauto; then
1860     with_platforms=$with_egl_platforms
1861 fi
1862
1863 # Do per platform setups and checks
1864 platforms=`IFS=', '; echo $with_platforms`
1865 for plat in $platforms; do
1866     case "$plat" in
1867     wayland)
1868
1869         PKG_CHECK_MODULES([WAYLAND_CLIENT], [wayland-client >= $WAYLAND_REQUIRED])
1870         PKG_CHECK_MODULES([WAYLAND_SERVER], [wayland-server >= $WAYLAND_REQUIRED])
1871         PKG_CHECK_MODULES([WAYLAND_PROTOCOLS], [wayland-protocols >= $WAYLAND_PROTOCOLS_REQUIRED])
1872         if test "x$enable_egl" = xyes; then
1873           PKG_CHECK_MODULES([WAYLAND_EGL], [wayland-egl-backend >= $WAYLAND_EGL_BACKEND_REQUIRED])
1874         fi
1875         WAYLAND_PROTOCOLS_DATADIR=`$PKG_CONFIG --variable=pkgdatadir wayland-protocols`
1876
1877         PKG_CHECK_MODULES([WAYLAND_SCANNER], [wayland-scanner],
1878                           WAYLAND_SCANNER=`$PKG_CONFIG --variable=wayland_scanner wayland-scanner`,
1879                           WAYLAND_SCANNER='')
1880         PKG_CHECK_EXISTS([wayland-scanner >= 1.15],
1881                           AC_SUBST(SCANNER_ARG, 'private-code'),
1882                           AC_SUBST(SCANNER_ARG, 'code'))
1883
1884         if test "x$WAYLAND_SCANNER" = x; then
1885             AC_PATH_PROG([WAYLAND_SCANNER], [wayland-scanner], [:])
1886         fi
1887
1888         if test "x$WAYLAND_SCANNER" = "x:"; then
1889                 AC_MSG_ERROR([wayland-scanner is needed to compile the wayland platform])
1890         fi
1891         DEFINES="$DEFINES -DHAVE_WAYLAND_PLATFORM -DWL_HIDE_DEPRECATED"
1892         ;;
1893
1894     x11)
1895         PKG_CHECK_MODULES([XCB_DRI2], [x11-xcb xcb xcb-dri2 >= $XCBDRI2_REQUIRED xcb-xfixes])
1896         DEFINES="$DEFINES -DHAVE_X11_PLATFORM"
1897         ;;
1898
1899     drm)
1900         test "x$enable_egl" = "xyes" &&
1901         test "x$enable_gbm" = "xno" &&
1902                 AC_MSG_ERROR([EGL platform drm needs gbm])
1903         DEFINES="$DEFINES -DHAVE_DRM_PLATFORM"
1904         ;;
1905
1906     surfaceless)
1907         DEFINES="$DEFINES -DHAVE_SURFACELESS_PLATFORM"
1908         ;;
1909
1910     android)
1911         PKG_CHECK_MODULES([ANDROID], [cutils hardware sync])
1912         if test -n "$with_gallium_drivers"; then
1913             PKG_CHECK_MODULES([BACKTRACE], [backtrace])
1914         fi
1915         DEFINES="$DEFINES -DHAVE_ANDROID_PLATFORM"
1916         ;;
1917
1918     *)
1919         AC_MSG_ERROR([platform '$plat' does not exist])
1920         ;;
1921     esac
1922
1923     case "$plat" in
1924     wayland|drm|surfaceless)
1925         require_libdrm "Platform $plat"
1926         ;;
1927     esac
1928 done
1929 AC_SUBST([WAYLAND_PROTOCOLS_DATADIR])
1930
1931 if test "x$enable_glx" != xno; then
1932     if ! echo "$platforms" | grep -q 'x11'; then
1933         AC_MSG_ERROR([Building GLX without the x11 platform is not supported])
1934     fi
1935 fi
1936
1937 if test x"$enable_dri3" = xyes; then
1938     DEFINES="$DEFINES -DHAVE_DRI3"
1939
1940     dri3_modules="x11-xcb xcb >= $XCB_REQUIRED xcb-dri3 xcb-xfixes xcb-present xcb-sync xshmfence >= $XSHMFENCE_REQUIRED"
1941     PKG_CHECK_MODULES([XCB_DRI3], [$dri3_modules])
1942     dri3_modifier_modules="xcb-dri3 >= $XCBDRI3_MODIFIERS_REQUIRED xcb-present >= $XCBPRESENT_MODIFIERS_REQUIRED"
1943     PKG_CHECK_MODULES([XCB_DRI3_MODIFIERS], [$dri3_modifier_modules], [have_dri3_modifiers=yes], [have_dri3_modifiers=no])
1944
1945     if test "x$have_dri3_modifiers" = xyes; then
1946         DEFINES="$DEFINES -DHAVE_DRI3_MODIFIERS"
1947     fi
1948 fi
1949
1950
1951 if echo "$platforms" | grep -q 'x11' && echo "$platforms" | grep -q 'drm'; then
1952     have_xlease=yes
1953 else
1954     have_xlease=no
1955 fi
1956
1957 if test x"$have_xlease" = xyes; then
1958     randr_modules="x11-xcb xcb-randr"
1959     PKG_CHECK_MODULES([XCB_RANDR], [$randr_modules])
1960     xlib_randr_modules="xrandr"
1961     PKG_CHECK_MODULES([XLIB_RANDR], [$xlib_randr_modules])
1962 fi
1963
1964 AM_CONDITIONAL(HAVE_PLATFORM_X11, echo "$platforms" | grep -q 'x11')
1965 AM_CONDITIONAL(HAVE_PLATFORM_WAYLAND, echo "$platforms" | grep -q 'wayland')
1966 AM_CONDITIONAL(HAVE_PLATFORM_DRM, echo "$platforms" | grep -q 'drm')
1967 AM_CONDITIONAL(HAVE_PLATFORM_SURFACELESS, echo "$platforms" | grep -q 'surfaceless')
1968 AM_CONDITIONAL(HAVE_PLATFORM_ANDROID, echo "$platforms" | grep -q 'android')
1969
1970 AC_ARG_ENABLE(xlib-lease,
1971     [AS_HELP_STRING([--enable-xlib-lease]
1972                     [enable VK_acquire_xlib_display using X leases])],
1973     [enable_xlib_lease=$enableval], [enable_xlib_lease=auto])
1974 case "x$enable_xlib_lease" in
1975 xyes)
1976     ;;
1977 xno)
1978     ;;
1979 *)
1980     if echo "$platforms" | grep -q 'x11' && echo "$platforms" | grep -q 'drm'; then
1981         enable_xlib_lease=yes
1982     else
1983         enable_xlib_lease=no
1984     fi
1985 esac
1986
1987 AM_CONDITIONAL(HAVE_XLIB_LEASE, test "x$enable_xlib_lease" = xyes)
1988
1989 dnl
1990 dnl More DRI setup
1991 dnl
1992 dnl Directory for DRI drivers
1993 AC_ARG_WITH([dri-driverdir],
1994     [AS_HELP_STRING([--with-dri-driverdir=DIR],
1995         [directory for the DRI drivers @<:@${libdir}/dri@:>@])],
1996     [DRI_DRIVER_INSTALL_DIR="$withval"],
1997     [DRI_DRIVER_INSTALL_DIR='${libdir}/dri'])
1998 AC_SUBST([DRI_DRIVER_INSTALL_DIR])
1999 dnl Extra search path for DRI drivers
2000 AC_ARG_WITH([dri-searchpath],
2001     [AS_HELP_STRING([--with-dri-searchpath=DIRS...],
2002         [semicolon delimited DRI driver search directories @<:@${libdir}/dri@:>@])],
2003     [DRI_DRIVER_SEARCH_DIR="$withval"],
2004     [DRI_DRIVER_SEARCH_DIR='${DRI_DRIVER_INSTALL_DIR}'])
2005 AC_SUBST([DRI_DRIVER_SEARCH_DIR])
2006 dnl Which drivers to build - default is chosen by platform
2007 AC_ARG_WITH([dri-drivers],
2008     [AS_HELP_STRING([--with-dri-drivers@<:@=DIRS...@:>@],
2009         [comma delimited classic DRI drivers list, e.g.
2010         "i915,i965,nouveau,radeon,r200,swrast" @<:@default=auto@:>@])],
2011     [with_dri_drivers="$withval"],
2012     [with_dri_drivers=auto])
2013
2014 if test "x$with_dri_drivers" = xauto; then
2015     if test "x$enable_opengl" = xyes -a "x$enable_dri" = xyes; then
2016         with_dri_drivers="yes"
2017     else
2018         with_dri_drivers="no"
2019     fi
2020 fi
2021 if test "x$with_dri_drivers" = xno; then
2022     with_dri_drivers=''
2023 fi
2024
2025 # Check for expat
2026 PKG_CHECK_MODULES([EXPAT], [expat],,
2027     [PKG_CHECK_MODULES([EXPAT], [expat21])]
2028 )
2029
2030 dnl If $with_dri_drivers is yes, drivers will be added through
2031 dnl platform checks. Set DEFINES and LIB_DEPS
2032 if test "x$enable_dri" = xyes; then
2033     # Platform specific settings and drivers to build
2034     case "$host_os" in
2035     linux*)
2036         case "$host_cpu" in
2037         powerpc* | sparc*)
2038             # Build only the drivers for cards that exist on PowerPC/sparc
2039             if test "x$with_dri_drivers" = "xyes"; then
2040                 with_dri_drivers="r200 radeon swrast"
2041             fi
2042             ;;
2043         esac
2044         ;;
2045     cygwin*)
2046         if test "x$with_dri_drivers" = "xyes"; then
2047             with_dri_drivers="swrast"
2048         fi
2049         ;;
2050     darwin*)
2051         DEFINES="$DEFINES -DBUILDING_MESA"
2052         if test "x$with_dri_drivers" = "xyes"; then
2053             with_dri_drivers="swrast"
2054         fi
2055         ;;
2056     esac
2057
2058     # default drivers
2059     if test "x$with_dri_drivers" = "xyes"; then
2060         with_dri_drivers="i915 i965 nouveau r200 radeon swrast"
2061     fi
2062
2063     # put all the necessary libs together
2064     DRI_LIB_DEPS="$DRI_LIB_DEPS $SELINUX_LIBS $LIBDRM_LIBS $EXPAT_LIBS -lm $PTHREAD_LIBS $DLOPEN_LIBS"
2065 fi
2066
2067 AC_SUBST([DRI_LIB_DEPS])
2068
2069 DRI_DIRS=''
2070 dnl Duplicates in DRI_DIRS are removed by sorting it at the end of this block
2071 if test -n "$with_dri_drivers"; then
2072     if test "x$enable_opengl" != xyes; then
2073         AC_MSG_ERROR([--with-dri-drivers requires OpenGL])
2074     fi
2075
2076     dri_drivers=`IFS=', '; echo $with_dri_drivers`
2077     for driver in $dri_drivers; do
2078         DRI_DIRS="$DRI_DIRS $driver"
2079         case "x$driver" in
2080         xi915)
2081             require_libdrm "i915"
2082             HAVE_I915_DRI=yes
2083             PKG_CHECK_MODULES([I915], [libdrm >= $LIBDRM_INTEL_REQUIRED libdrm_intel >= $LIBDRM_INTEL_REQUIRED])
2084             ;;
2085         xi965)
2086             require_libdrm "i965"
2087             HAVE_I965_DRI=yes
2088             ;;
2089         xnouveau)
2090             require_libdrm "nouveau"
2091             HAVE_NOUVEAU_DRI=yes
2092             PKG_CHECK_MODULES([NVVIEUX], [libdrm >= $LIBDRM_NVVIEUX_REQUIRED libdrm_nouveau >= $LIBDRM_NVVIEUX_REQUIRED])
2093             ;;
2094         xradeon)
2095             require_libdrm "radeon"
2096             HAVE_RADEON_DRI=yes;
2097             PKG_CHECK_MODULES([RADEON], [libdrm >= $LIBDRM_RADEON_REQUIRED libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
2098             ;;
2099         xr200)
2100             require_libdrm "r200"
2101             HAVE_R200_DRI=yes
2102             PKG_CHECK_MODULES([RADEON], [libdrm >= $LIBDRM_RADEON_REQUIRED libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
2103             ;;
2104         xswrast)
2105             HAVE_SWRAST_DRI=yes
2106             ;;
2107         *)
2108             AC_MSG_ERROR([classic DRI driver '$driver' does not exist])
2109             ;;
2110         esac
2111     done
2112     DRI_DIRS=`echo $DRI_DIRS|tr " " "\n"|sort -u|tr "\n" " "`
2113 fi
2114
2115
2116 dnl
2117 dnl Gallium LLVM
2118 dnl Deprecated: kept for backwards compatibility
2119 dnl
2120 AC_ARG_ENABLE([gallium-llvm],
2121     [AS_HELP_STRING([--enable-gallium-llvm],
2122         [DEPRECATED: use --enable-llvm instead])],
2123     [enable_gallium_llvm="$enableval"],
2124     [enable_gallium_llvm=auto])
2125
2126 if test "x$enable_gallium_llvm" != xauto; then
2127    AC_MSG_WARN([The --enable-gallium-llvm option has been deprecated. Use --enable-llvm instead.])
2128    enable_llvm=$enable_gallium_llvm
2129 fi
2130
2131 dnl
2132 dnl LLVM
2133 dnl
2134 AC_ARG_ENABLE([llvm],
2135     [AS_HELP_STRING([--enable-llvm],
2136         [build with LLVM support @<:@default=enabled on x86/x86_64@:>@])],
2137     [enable_llvm="$enableval"],
2138     [enable_llvm=auto])
2139
2140 if test "x$enable_llvm" = xauto -a "x$FOUND_LLVM" = xyes; then
2141     if test "x$FOUND_LLVM" = xyes; then
2142         case "$host_cpu" in
2143         i*86|x86_64|amd64) enable_llvm=yes;;
2144         *) enable_llvm=no;;
2145         esac
2146     else
2147         enable_llvm=no
2148     fi
2149 fi
2150
2151 if test "x$enable_llvm" = xyes -a "x$FOUND_LLVM" = xno; then
2152     AC_MSG_ERROR([--enable-llvm selected but llvm-config is not found])
2153 fi
2154
2155 #
2156 # Vulkan driver configuration
2157 #
2158
2159 AC_ARG_WITH([vulkan-drivers],
2160     [AS_HELP_STRING([--with-vulkan-drivers@<:@=DIRS...@:>@],
2161         [comma delimited Vulkan drivers list, e.g.
2162         "intel,radeon"
2163         @<:@default=no@:>@])],
2164     [with_vulkan_drivers="$withval"],
2165     [with_vulkan_drivers="no"])
2166
2167 # Doing '--without-vulkan-drivers' will set this variable to 'no'.  Clear it
2168 # here so that the script doesn't choke on an unknown driver name later.
2169 case "x$with_vulkan_drivers" in
2170     xyes) with_vulkan_drivers="$VULKAN_DRIVERS_DEFAULT" ;;
2171     xno) with_vulkan_drivers='' ;;
2172 esac
2173
2174 AC_ARG_WITH([vulkan-icddir],
2175     [AS_HELP_STRING([--with-vulkan-icddir=DIR],
2176         [directory for the Vulkan driver icd files @<:@${datarootdir}/vulkan/icd.d@:>@])],
2177     [VULKAN_ICD_INSTALL_DIR="$withval"],
2178     [VULKAN_ICD_INSTALL_DIR='${datarootdir}/vulkan/icd.d'])
2179 AC_SUBST([VULKAN_ICD_INSTALL_DIR])
2180
2181 require_x11_dri3() {
2182     if echo "$platforms" | grep -q 'x11'; then
2183         if test "x$enable_dri3" != xyes; then
2184             AC_MSG_ERROR([$1 Vulkan driver requires DRI3 when built with X11])
2185         fi
2186     fi
2187 }
2188
2189 if test -n "$with_vulkan_drivers"; then
2190     if test "x$ac_cv_func_dl_iterate_phdr" = xno; then
2191         AC_MSG_ERROR([Vulkan drivers require the dl_iterate_phdr function])
2192     fi
2193
2194     VULKAN_DRIVERS=`IFS=', '; echo $with_vulkan_drivers`
2195     for driver in $VULKAN_DRIVERS; do
2196         case "x$driver" in
2197         xintel)
2198             require_libdrm "ANV"
2199             require_x11_dri3 "ANV"
2200             HAVE_INTEL_VULKAN=yes
2201             ;;
2202         xradeon)
2203             require_libdrm "radv"
2204             PKG_CHECK_MODULES([AMDGPU], [libdrm >= $LIBDRM_AMDGPU_REQUIRED libdrm_amdgpu >= $LIBDRM_AMDGPU_REQUIRED])
2205             radeon_llvm_check $LLVM_REQUIRED_RADV "radv"
2206             require_x11_dri3 "radv"
2207             if test "x$acv_mako_found" = xno; then
2208                 AC_MSG_ERROR([Python mako module v$PYTHON_MAKO_REQUIRED or higher not found])
2209             fi
2210             HAVE_RADEON_VULKAN=yes
2211             ;;
2212         *)
2213             AC_MSG_ERROR([Vulkan driver '$driver' does not exist])
2214             ;;
2215         esac
2216     done
2217     VULKAN_DRIVERS=`echo $VULKAN_DRIVERS|tr " " "\n"|sort -u|tr "\n" " "`
2218 fi
2219
2220
2221 DEFINES="$DEFINES -DENABLE_SHADER_CACHE"
2222 AM_CONDITIONAL(NEED_MEGADRIVER, test -n "$DRI_DIRS")
2223 AM_CONDITIONAL(NEED_LIBMESA, test "x$enable_glx" = xxlib -o \
2224                                   "x$enable_osmesa" = xyes -o \
2225                                   -n "$DRI_DIRS")
2226
2227 dnl
2228 dnl OSMesa configuration
2229 dnl
2230
2231 dnl Configure the channel bits for OSMesa (libOSMesa, libOSMesa16, ...)
2232 AC_ARG_WITH([osmesa-bits],
2233     [AS_HELP_STRING([--with-osmesa-bits=BITS],
2234         [OSMesa channel bits and library name: 8, 16, 32 @<:@default=8@:>@])],
2235     [osmesa_bits="$withval"],
2236     [osmesa_bits=8])
2237 if test "x$osmesa_bits" != x8; then
2238     if test "x$enable_dri" = xyes -o "x$enable_glx" != xno; then
2239         AC_MSG_WARN([Ignoring OSMesa channel bits because of non-OSMesa driver])
2240         osmesa_bits=8
2241     fi
2242 fi
2243 case "x$osmesa_bits" in
2244 x8)
2245     OSMESA_LIB="${OSMESA_LIB}"
2246     ;;
2247 x16|x32)
2248     OSMESA_LIB="${OSMESA_LIB}$osmesa_bits"
2249     DEFINES="$DEFINES -DCHAN_BITS=$osmesa_bits -DDEFAULT_SOFTWARE_DEPTH_BITS=31"
2250     ;;
2251 *)
2252     AC_MSG_ERROR([OSMesa bits '$osmesa_bits' is not a valid option])
2253     ;;
2254 esac
2255
2256 if test "x$enable_osmesa" = xyes -o "x$enable_gallium_osmesa" = xyes; then
2257     # only link libraries with osmesa if shared
2258     if test "$enable_static" = no; then
2259         OSMESA_LIB_DEPS="-lm $PTHREAD_LIBS $SELINUX_LIBS $DLOPEN_LIBS"
2260     else
2261         OSMESA_LIB_DEPS=""
2262     fi
2263     OSMESA_PC_LIB_PRIV="-lm $PTHREAD_LIBS $SELINUX_LIBS $DLOPEN_LIBS"
2264 fi
2265
2266 AC_SUBST([OSMESA_LIB_DEPS])
2267 AC_SUBST([OSMESA_PC_REQ])
2268 AC_SUBST([OSMESA_PC_LIB_PRIV])
2269
2270 dnl
2271 dnl gbm configuration
2272 dnl
2273 if test "x$enable_gbm" = xyes; then
2274     require_dri_shared_libs_and_glapi "gbm"
2275 fi
2276 AM_CONDITIONAL(HAVE_GBM, test "x$enable_gbm" = xyes)
2277 # FINISHME: GBM has a number of dependencies which we should add below
2278 GBM_PC_REQ_PRIV=""
2279 GBM_PC_LIB_PRIV="$DLOPEN_LIBS"
2280 AC_SUBST([GBM_PC_REQ_PRIV])
2281 AC_SUBST([GBM_PC_LIB_PRIV])
2282
2283 dnl
2284 dnl EGL configuration
2285 dnl
2286
2287 if test "x$enable_egl" = xyes; then
2288     EGL_LIB_DEPS="$DLOPEN_LIBS $SELINUX_LIBS $PTHREAD_LIBS"
2289
2290     AC_CHECK_FUNC(mincore, [DEFINES="$DEFINES -DHAVE_MINCORE"])
2291
2292     require_dri_shared_libs_and_glapi "egl"
2293 fi
2294 AM_CONDITIONAL(HAVE_EGL, test "x$enable_egl" = xyes)
2295 AC_SUBST([EGL_LIB_DEPS])
2296
2297 gallium_st="mesa"
2298
2299 dnl
2300 dnl XA configuration
2301 dnl
2302 if test "x$enable_xa" = xyes; then
2303     if test "x$with_gallium_drivers" = xswrast; then
2304        AC_MSG_ERROR([
2305           Building xa requires at least one non swrast gallium driver.
2306           If you are looking to use libxatracker.so with the VMware driver,
2307           make sure to include svga in the gallium drivers list, apart from
2308           enabling XA.
2309           Example: ./configure --enable-xa --with-gallium-drivers=svga...])
2310     fi
2311     gallium_st="$gallium_st xa"
2312 fi
2313 AM_CONDITIONAL(HAVE_ST_XA, test "x$enable_xa" = xyes)
2314
2315 if echo $platforms | grep -q "x11"; then
2316     have_xvmc_platform=yes
2317 else
2318     have_xvmc_platform=no
2319 fi
2320
2321 if echo $platforms | grep -q "x11"; then
2322     have_vdpau_platform=yes
2323 else
2324     have_vdpau_platform=no
2325 fi
2326
2327 if echo $platforms | egrep -q "x11|drm"; then
2328     have_omx_platform=yes
2329 else
2330     have_omx_platform=no
2331 fi
2332
2333 if echo $platforms | egrep -q "x11|drm|wayland"; then
2334     have_va_platform=yes
2335 else
2336     have_va_platform=no
2337 fi
2338
2339 dnl
2340 dnl Gallium G3DVL configuration
2341 dnl
2342 if test -n "$with_gallium_drivers" -a "x$with_gallium_drivers" != xswrast; then
2343     if test "x$enable_xvmc" = xauto -a "x$have_xvmc_platform" = xyes; then
2344         PKG_CHECK_EXISTS([xvmc >= $XVMC_REQUIRED], [enable_xvmc=yes], [enable_xvmc=no])
2345     fi
2346
2347     if test "x$enable_vdpau" = xauto -a "x$have_vdpau_platform" = xyes; then
2348         PKG_CHECK_EXISTS([vdpau >= $VDPAU_REQUIRED], [enable_vdpau=yes], [enable_vdpau=no])
2349     fi
2350
2351     if test "x$enable_omx_bellagio" = xauto -a "x$have_omx_platform" = xyes; then
2352         PKG_CHECK_EXISTS([libomxil-bellagio >= $LIBOMXIL_BELLAGIO_REQUIRED], [enable_omx_bellagio=yes], [enable_omx_bellagio=no])
2353     fi
2354
2355     if test "x$enable_omx_tizonia" = xauto -a "x$have_omx_platform" = xyes; then
2356        PKG_CHECK_EXISTS([libtizonia >= $LIBOMXIL_TIZONIA_REQUIRED], [enable_omx_tizonia=yes], [enable_omx_tizonia=no])
2357     fi
2358
2359     if test "x$enable_va" = xauto -a "x$have_va_platform" = xyes; then
2360         PKG_CHECK_EXISTS([libva >= $LIBVA_REQUIRED], [enable_va=yes], [enable_va=no])
2361     fi
2362 fi
2363
2364 if test "x$enable_dri" = xyes -o \
2365         "x$enable_xvmc" = xyes -o \
2366         "x$enable_vdpau" = xyes -o \
2367         "x$enable_omx_bellagio" = xyes -o \
2368         "x$enable_omx_tizonia" = xyes -o \
2369         "x$enable_va" = xyes; then
2370     need_gallium_vl=yes
2371 fi
2372 AM_CONDITIONAL(NEED_GALLIUM_VL, test "x$need_gallium_vl" = xyes)
2373
2374 if test "x$enable_xvmc" = xyes -o \
2375         "x$enable_vdpau" = xyes -o \
2376         "x$enable_omx_bellagio" = xyes -o \
2377         "x$enable_omx_tizonia" = xyes -o \
2378         "x$enable_va" = xyes; then
2379     if echo $platforms | grep -q "x11"; then
2380         PKG_CHECK_MODULES([VL], [x11-xcb xcb xcb-dri2 >= $XCBDRI2_REQUIRED])
2381     fi
2382     need_gallium_vl_winsys=yes
2383 fi
2384 AM_CONDITIONAL(NEED_GALLIUM_VL_WINSYS, test "x$need_gallium_vl_winsys" = xyes)
2385
2386 if test "x$enable_xvmc" = xyes; then
2387     if test "x$have_xvmc_platform" != xyes; then
2388         AC_MSG_ERROR([XVMC requires the x11 platforms])
2389     fi
2390     PKG_CHECK_MODULES([XVMC], [xvmc >= $XVMC_REQUIRED])
2391     gallium_st="$gallium_st xvmc"
2392 fi
2393 AM_CONDITIONAL(HAVE_ST_XVMC, test "x$enable_xvmc" = xyes)
2394
2395 if test "x$enable_vdpau" = xyes; then
2396     if test "x$have_vdpau_platform" != xyes; then
2397         AC_MSG_ERROR([VDPAU requires the x11 platforms])
2398     fi
2399     PKG_CHECK_MODULES([VDPAU], [vdpau >= $VDPAU_REQUIRED])
2400     gallium_st="$gallium_st vdpau"
2401     DEFINES="$DEFINES -DHAVE_ST_VDPAU"
2402 fi
2403 AM_CONDITIONAL(HAVE_ST_VDPAU, test "x$enable_vdpau" = xyes)
2404
2405 if test "x$enable_omx_bellagio" = xyes; then
2406     if test "x$have_omx_platform" != xyes; then
2407         AC_MSG_ERROR([OMX requires at least one of the x11 or drm platforms])
2408     fi
2409     PKG_CHECK_MODULES([OMX_BELLAGIO], [libomxil-bellagio >= $LIBOMXIL_BELLAGIO_REQUIRED])
2410     gallium_st="$gallium_st omx_bellagio"
2411     AC_DEFINE([ENABLE_ST_OMX_BELLAGIO], 1, [Use Bellagio for OMX IL])
2412 else
2413     AC_DEFINE([ENABLE_ST_OMX_BELLAGIO], 0)
2414 fi
2415 AM_CONDITIONAL(HAVE_ST_OMX_BELLAGIO, test "x$enable_omx_bellagio" = xyes)
2416
2417 if test "x$enable_omx_tizonia" = xyes; then
2418     if test "x$have_omx_platform" != xyes; then
2419         AC_MSG_ERROR([OMX requires at least one of the x11 or drm platforms])
2420     fi
2421     PKG_CHECK_MODULES([OMX_TIZONIA],
2422                       [libtizonia >= $LIBOMXIL_TIZONIA_REQUIRED
2423                        tizilheaders >= $LIBOMXIL_TIZONIA_REQUIRED
2424                        libtizplatform >= $LIBOMXIL_TIZONIA_REQUIRED])
2425     gallium_st="$gallium_st omx_tizonia"
2426     AC_DEFINE([ENABLE_ST_OMX_TIZONIA], 1, [Use Tizoina for OMX IL])
2427 else
2428     AC_DEFINE([ENABLE_ST_OMX_TIZONIA], 0)
2429 fi
2430 AM_CONDITIONAL(HAVE_ST_OMX_TIZONIA, test "x$enable_omx_tizonia" = xyes)
2431
2432 if test "x$enable_va" = xyes; then
2433     if test "x$have_va_platform" != xyes; then
2434         AC_MSG_ERROR([VA requires at least one of the x11 drm or wayland platforms])
2435     fi
2436     PKG_CHECK_MODULES([VA], [libva >= $LIBVA_REQUIRED])
2437     gallium_st="$gallium_st va"
2438 fi
2439 AM_CONDITIONAL(HAVE_ST_VA, test "x$enable_va" = xyes)
2440
2441 dnl
2442 dnl Nine Direct3D9 configuration
2443 dnl
2444 if test "x$enable_nine" = xyes; then
2445     if ! echo "$with_gallium_drivers" | grep -q 'swrast'; then
2446         AC_MSG_ERROR([nine requires the gallium swrast driver])
2447     fi
2448     if test "x$with_gallium_drivers" = xswrast; then
2449         AC_MSG_ERROR([nine requires at least one non-swrast gallium driver])
2450     fi
2451     if test $GCC_VERSION_MAJOR -lt 4 -o $GCC_VERSION_MAJOR -eq 4 -a $GCC_VERSION_MINOR -lt 6; then
2452         AC_MSG_ERROR([gcc >= 4.6 is required to build nine])
2453     fi
2454
2455     if test "x$enable_dri3" = xno; then
2456         AC_MSG_WARN([using nine together with wine requires DRI3 enabled system])
2457     fi
2458
2459     gallium_st="$gallium_st nine"
2460 fi
2461 AM_CONDITIONAL(HAVE_ST_NINE, test "x$enable_nine" = xyes)
2462
2463 dnl
2464 dnl OpenCL configuration
2465 dnl
2466
2467 AC_ARG_WITH([clang-libdir],
2468    [AS_HELP_STRING([--with-clang-libdir],
2469          [Path to Clang libraries @<:@default=llvm-config --libdir@:>@])],
2470    [CLANG_LIBDIR="$withval"],
2471    [CLANG_LIBDIR=''])
2472
2473 PKG_CHECK_EXISTS([libclc], [have_libclc=yes], [have_libclc=no])
2474
2475 if test "x$enable_opencl" = xyes; then
2476     if test -z "$with_gallium_drivers"; then
2477         AC_MSG_ERROR([cannot enable OpenCL without Gallium])
2478     fi
2479
2480     if test "x$HAVE_CXX11" != "xyes"; then
2481        AC_MSG_ERROR([clover requires c++11 support])
2482     fi
2483
2484     if test "x$have_libclc" = xno; then
2485         AC_MSG_ERROR([pkg-config cannot find libclc.pc which is required to build clover.
2486                     Make sure the directory containing libclc.pc is specified in your
2487                     PKG_CONFIG_PATH environment variable.
2488                     By default libclc.pc is installed to /usr/local/share/pkgconfig/])
2489     else
2490         LIBCLC_INCLUDEDIR=`$PKG_CONFIG --variable=includedir libclc`
2491         LIBCLC_LIBEXECDIR=`$PKG_CONFIG --variable=libexecdir libclc`
2492         AC_SUBST([LIBCLC_INCLUDEDIR])
2493         AC_SUBST([LIBCLC_LIBEXECDIR])
2494     fi
2495
2496     gallium_st="$gallium_st clover"
2497
2498     if test "x$enable_opencl_icd" = xyes; then
2499         OPENCL_LIBNAME="MesaOpenCL"
2500     else
2501         OPENCL_LIBNAME="OpenCL"
2502     fi
2503
2504     if test "x$have_libelf" != xyes; then
2505        AC_MSG_ERROR([Clover requires libelf])
2506     fi
2507
2508     if test "x${ac_cv_cxx_compiler_gnu}" = xyes; then
2509         altivec_enabled=no
2510         AC_COMPILE_IFELSE([AC_LANG_SOURCE([
2511         #if !defined(__VEC__) || !defined(__ALTIVEC__)
2512         #error "AltiVec not enabled"
2513         #endif
2514         ])], altivec_enabled=yes)
2515
2516         if test "$altivec_enabled" = yes; then
2517             CLOVER_STD_OVERRIDE="-std=gnu++11"
2518         fi
2519         AC_SUBST([CLOVER_STD_OVERRIDE])
2520     fi
2521
2522     llvm_require_version $LLVM_REQUIRED_OPENCL "opencl"
2523
2524     llvm_add_default_components "opencl"
2525     llvm_add_component "all-targets" "opencl"
2526     llvm_add_component "coverage" "opencl"
2527     llvm_add_component "linker" "opencl"
2528     llvm_add_component "instrumentation" "opencl"
2529     llvm_add_component "ipo" "opencl"
2530     llvm_add_component "irreader" "opencl"
2531     llvm_add_component "lto" "opencl"
2532     llvm_add_component "option" "opencl"
2533     llvm_add_component "objcarcopts" "opencl"
2534     llvm_add_component "profiledata" "opencl"
2535     llvm_add_optional_component "coroutines" "opencl"
2536
2537     dnl Check for Clang internal headers
2538     if test -z "$CLANG_LIBDIR"; then
2539         CLANG_LIBDIR=${LLVM_LIBDIR}
2540     fi
2541     CLANG_RESOURCE_DIR=$CLANG_LIBDIR/clang/${LLVM_VERSION}
2542     AS_IF([test ! -f "$CLANG_RESOURCE_DIR/include/stddef.h"],
2543         [AC_MSG_ERROR([Could not find clang internal header stddef.h in $CLANG_RESOURCE_DIR Use --with-clang-libdir to specify the correct path to the clang libraries.])])
2544 fi
2545 AM_CONDITIONAL(HAVE_CLOVER, test "x$enable_opencl" = xyes)
2546 AM_CONDITIONAL(HAVE_CLOVER_ICD, test "x$enable_opencl_icd" = xyes)
2547 AC_SUBST([OPENCL_LIBNAME])
2548 AC_SUBST([CLANG_RESOURCE_DIR])
2549
2550 dnl
2551 dnl Gallium configuration
2552 dnl
2553 AM_CONDITIONAL(HAVE_GALLIUM, test -n "$with_gallium_drivers")
2554
2555 # libEGL wants to default to the first platform specified in
2556 # ./configure.  parse that here.
2557 if test "x$platforms" != "x"; then
2558     FIRST_PLATFORM_CAPS=`echo $platforms | sed 's| .*||' | tr '[[a-z]]' '[[A-Z]]'`
2559     EGL_NATIVE_PLATFORM="_EGL_PLATFORM_$FIRST_PLATFORM_CAPS"
2560 else
2561     EGL_NATIVE_PLATFORM="_EGL_INVALID_PLATFORM"
2562 fi
2563
2564 AC_SUBST([EGL_NATIVE_PLATFORM])
2565 AC_SUBST([EGL_CFLAGS])
2566
2567 # If we don't have the X11 platform, set this define so we don't try to include
2568 # the X11 headers.
2569 if ! echo "$platforms" | grep -q 'x11'; then
2570     DEFINES="$DEFINES -DMESA_EGL_NO_X11_HEADERS"
2571     GL_PC_CFLAGS="$GL_PC_CFLAGS -DMESA_EGL_NO_X11_HEADERS"
2572 fi
2573
2574 dnl Directory for XVMC libs
2575 AC_ARG_WITH([xvmc-libdir],
2576     [AS_HELP_STRING([--with-xvmc-libdir=DIR],
2577         [directory for the XVMC libraries @<:@default=${libdir}@:>@])],
2578     [XVMC_LIB_INSTALL_DIR="$withval"],
2579     [XVMC_LIB_INSTALL_DIR='${libdir}'])
2580 AC_SUBST([XVMC_LIB_INSTALL_DIR])
2581
2582 dnl
2583 dnl Gallium Tests
2584 dnl
2585 AM_CONDITIONAL(HAVE_GALLIUM_TESTS, test "x$enable_gallium_tests" = xyes)
2586
2587 dnl Directory for VDPAU libs
2588 AC_ARG_WITH([vdpau-libdir],
2589     [AS_HELP_STRING([--with-vdpau-libdir=DIR],
2590         [directory for the VDPAU libraries @<:@default=${libdir}/vdpau@:>@])],
2591     [VDPAU_LIB_INSTALL_DIR="$withval"],
2592     [VDPAU_LIB_INSTALL_DIR='${libdir}/vdpau'])
2593 AC_SUBST([VDPAU_LIB_INSTALL_DIR])
2594
2595 dnl Directory for OMX_BELLAGIO libs
2596
2597 AC_ARG_WITH([omx-bellagio-libdir],
2598     [AS_HELP_STRING([--with-omx-bellagio-libdir=DIR],
2599         [directory for the OMX_BELLAGIO libraries])],
2600     [OMX_BELLAGIO_LIB_INSTALL_DIR="$withval"],
2601     [OMX_BELLAGIO_LIB_INSTALL_DIR=`$PKG_CONFIG --exists libomxil-bellagio && \
2602                                    $PKG_CONFIG --define-variable=libdir=\$libdir --variable=pluginsdir libomxil-bellagio`])
2603 AC_SUBST([OMX_BELLAGIO_LIB_INSTALL_DIR])
2604
2605 dnl Directory for OMX_TIZONIA libs
2606
2607 AC_ARG_WITH([omx-tizonia-libdir],
2608     [AS_HELP_STRING([--with-omx-tizonia-libdir=DIR],
2609         [directory for the OMX_TIZONIA libraries])],
2610     [OMX_TIZONIA_LIB_INSTALL_DIR="$withval"],
2611     [OMX_TIZONIA_LIB_INSTALL_DIR=`$PKG_CONFIG --define-variable=libdir=\$libdir --variable=pluginsdir libtizcore`])
2612 AC_SUBST([OMX_TIZONIA_LIB_INSTALL_DIR])
2613
2614 dnl Directory for VA libs
2615
2616 AC_ARG_WITH([va-libdir],
2617     [AS_HELP_STRING([--with-va-libdir=DIR],
2618         [directory for the VA libraries @<:@${libdir}/dri@:>@])],
2619     [VA_LIB_INSTALL_DIR="$withval"],
2620     [VA_LIB_INSTALL_DIR="${libdir}/dri"])
2621 AC_SUBST([VA_LIB_INSTALL_DIR])
2622
2623 AC_ARG_WITH([d3d-libdir],
2624     [AS_HELP_STRING([--with-d3d-libdir=DIR],
2625         [directory for the D3D modules @<:@${libdir}/d3d@:>@])],
2626     [D3D_DRIVER_INSTALL_DIR="$withval"],
2627     [D3D_DRIVER_INSTALL_DIR="${libdir}/d3d"])
2628 AC_SUBST([D3D_DRIVER_INSTALL_DIR])
2629
2630 dnl Architectures to build SWR library for
2631
2632 AC_ARG_WITH([swr-archs],
2633     [AS_HELP_STRING([--with-swr-archs@<:@=DIRS...@:>@],
2634         [comma delimited swr architectures list, e.g.
2635         "avx,avx2,knl,skx" @<:@default="avx,avx2"@:>@])],
2636     [with_swr_archs="$withval"],
2637     [with_swr_archs="avx,avx2"])
2638
2639 dnl
2640 dnl r300 doesn't strictly require LLVM, but for performance reasons we
2641 dnl highly recommend LLVM usage. So require it at least on x86 and x86_64
2642 dnl architectures.
2643 dnl
2644 r300_require_llvm() {
2645     case "$host" in *gnux32) return;; esac
2646     case "$host_cpu" in
2647     i*86|x86_64|amd64) require_llvm $1
2648         ;;
2649     esac
2650 }
2651
2652 dnl
2653 dnl DRM is needed by X, Wayland, and offscreen rendering.
2654 dnl Surfaceless is an alternative for the last one.
2655 dnl
2656 require_basic_egl() {
2657     case "$with_platforms" in
2658         *drm*|*surfaceless*|*android*)
2659             ;;
2660         *)
2661             AC_MSG_ERROR([$1 requires one of these:
2662                   1) --with-platforms=drm (X, Wayland, offscreen rendering based on DRM)
2663                   2) --with-platforms=surfaceless (offscreen only)
2664                   3) --with-platforms=android (Android only)
2665                   Recommended options: drm,x11])
2666             ;;
2667     esac
2668 }
2669
2670 swr_require_cxx_feature_flags() {
2671     feature_name="$1"
2672     preprocessor_test="$2"
2673     option_list="$3"
2674     output_var="$4"
2675
2676     AC_MSG_CHECKING([whether $CXX supports $feature_name])
2677     AC_LANG_PUSH([C++])
2678     save_CXXFLAGS="$CXXFLAGS"
2679     save_IFS="$IFS"
2680     IFS=","
2681     found=0
2682     for opts in $option_list
2683     do
2684         unset IFS
2685         CXXFLAGS="$opts $save_CXXFLAGS"
2686         AC_COMPILE_IFELSE(
2687             [AC_LANG_PROGRAM(
2688                 [   #if !($preprocessor_test)
2689                     #error
2690                     #endif
2691                 ])],
2692             [found=1; break],
2693             [])
2694         IFS=","
2695     done
2696     IFS="$save_IFS"
2697     CXXFLAGS="$save_CXXFLAGS"
2698     AC_LANG_POP([C++])
2699     if test $found -eq 1; then
2700         AC_MSG_RESULT([$opts])
2701         eval "$output_var=\$opts"
2702         return 0
2703     fi
2704     AC_MSG_RESULT([no])
2705     AC_MSG_ERROR([swr requires $feature_name support])
2706     return 1
2707 }
2708
2709 dnl Duplicates in GALLIUM_DRIVERS_DIRS are removed by sorting it after this block
2710 if test -n "$with_gallium_drivers"; then
2711     gallium_drivers=`IFS=', '; echo $with_gallium_drivers`
2712     for driver in $gallium_drivers; do
2713         case "x$driver" in
2714         xsvga)
2715             HAVE_GALLIUM_SVGA=yes
2716             require_libdrm "svga"
2717             ;;
2718         xi915)
2719             HAVE_GALLIUM_I915=yes
2720             PKG_CHECK_MODULES([I915], [libdrm >= $LIBDRM_INTEL_REQUIRED libdrm_intel >= $LIBDRM_INTEL_REQUIRED])
2721             require_libdrm "Gallium i915"
2722             ;;
2723         xr300)
2724             HAVE_GALLIUM_R300=yes
2725             PKG_CHECK_MODULES([RADEON], [libdrm >= $LIBDRM_RADEON_REQUIRED libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
2726             require_libdrm "r300"
2727             r300_require_llvm "r300"
2728             ;;
2729         xr600)
2730             HAVE_GALLIUM_R600=yes
2731             PKG_CHECK_MODULES([RADEON], [libdrm >= $LIBDRM_RADEON_REQUIRED libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
2732             require_libdrm "r600"
2733             if test "x$enable_llvm" = xyes; then
2734                 radeon_llvm_check $LLVM_REQUIRED_R600 "r600"
2735
2736                 llvm_add_component "asmparser" "r600"
2737                 llvm_add_component "bitreader" "r600"
2738             fi
2739             ;;
2740         xradeonsi)
2741             HAVE_GALLIUM_RADEONSI=yes
2742             PKG_CHECK_MODULES([RADEON], [libdrm >= $LIBDRM_RADEON_REQUIRED libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
2743             PKG_CHECK_MODULES([AMDGPU], [libdrm >= $LIBDRM_AMDGPU_REQUIRED libdrm_amdgpu >= $LIBDRM_AMDGPU_REQUIRED])
2744             require_libdrm "radeonsi"
2745             radeon_llvm_check $LLVM_REQUIRED_RADEONSI "radeonsi"
2746             if test "x$enable_egl" = xyes; then
2747                 require_basic_egl "radeonsi"
2748             fi
2749             ;;
2750         xnouveau)
2751             HAVE_GALLIUM_NOUVEAU=yes
2752             PKG_CHECK_MODULES([NOUVEAU], [libdrm >= $LIBDRM_NOUVEAU_REQUIRED libdrm_nouveau >= $LIBDRM_NOUVEAU_REQUIRED])
2753             require_libdrm "nouveau"
2754             ;;
2755         xfreedreno)
2756             HAVE_GALLIUM_FREEDRENO=yes
2757             require_libdrm "freedreno"
2758             ;;
2759         xetnaviv)
2760             HAVE_GALLIUM_ETNAVIV=yes
2761             PKG_CHECK_MODULES([ETNAVIV], [libdrm >= $LIBDRM_ETNAVIV_REQUIRED libdrm_etnaviv >= $LIBDRM_ETNAVIV_REQUIRED])
2762             require_libdrm "etnaviv"
2763             ;;
2764         xtegra)
2765             HAVE_GALLIUM_TEGRA=yes
2766             require_libdrm "tegra"
2767             ;;
2768         xswrast)
2769             HAVE_GALLIUM_SOFTPIPE=yes
2770             if test "x$enable_llvm" = xyes; then
2771                 HAVE_GALLIUM_LLVMPIPE=yes
2772             fi
2773             ;;
2774         xswr)
2775             llvm_require_version $LLVM_REQUIRED_SWR "swr"
2776
2777             if test "x$HAVE_CXX11" != "xyes"; then
2778                 AC_MSG_ERROR([swr requires c++11 support])
2779             fi
2780
2781             swr_require_cxx_feature_flags "AVX" "defined(__AVX__)" \
2782                 ",-target-cpu=sandybridge,-mavx,-march=core-avx,-tp=sandybridge" \
2783                 SWR_AVX_CXXFLAGS
2784             AC_SUBST([SWR_AVX_CXXFLAGS])
2785
2786             swr_archs=`IFS=', '; echo $with_swr_archs`
2787             for arch in $swr_archs; do
2788                 case "x$arch" in
2789                 xavx)
2790                     HAVE_SWR_AVX=yes
2791                     ;;
2792                 xavx2)
2793                     swr_require_cxx_feature_flags "AVX2" "defined(__AVX2__)" \
2794                         ",-target-cpu=haswell,-mavx2 -mfma -mbmi2 -mf16c,-march=core-avx2,-tp=haswell" \
2795                         SWR_AVX2_CXXFLAGS
2796                     AC_SUBST([SWR_AVX2_CXXFLAGS])
2797                     HAVE_SWR_AVX2=yes
2798                     ;;
2799                 xknl)
2800                     swr_require_cxx_feature_flags "KNL" "defined(__AVX512F__) && defined(__AVX512ER__)" \
2801                         ",-target-cpu=mic-knl,-march=knl,-xMIC-AVX512" \
2802                         SWR_KNL_CXXFLAGS
2803                     AC_SUBST([SWR_KNL_CXXFLAGS])
2804                     HAVE_SWR_KNL=yes
2805                     ;;
2806                 xskx)
2807                     swr_require_cxx_feature_flags "SKX" "defined(__AVX512F__) && defined(__AVX512BW__)" \
2808                         ",-target-cpu=x86-skylake,-march=skylake-avx512,-xCORE-AVX512" \
2809                         SWR_SKX_CXXFLAGS
2810                     AC_SUBST([SWR_SKX_CXXFLAGS])
2811                     HAVE_SWR_SKX=yes
2812                     ;;
2813                 *)
2814                     AC_MSG_ERROR([unknown SWR build architecture '$arch'])
2815                     ;;
2816                 esac
2817             done
2818
2819             if test "x$HAVE_SWR_AVX" != xyes -a \
2820                     "x$HAVE_SWR_AVX2" != xyes -a \
2821                     "x$HAVE_SWR_KNL" != xyes -a \
2822                     "x$HAVE_SWR_SKX" != xyes; then
2823                AC_MSG_ERROR([swr enabled but no swr architectures selected])
2824             fi
2825
2826             # test if more than one swr arch configured
2827             if test `echo $swr_archs | wc -w` -eq 1; then
2828                 HAVE_SWR_BUILTIN=yes
2829             fi
2830
2831             HAVE_GALLIUM_SWR=yes
2832             ;;
2833         xvc4)
2834             HAVE_GALLIUM_VC4=yes
2835             PKG_CHECK_MODULES([VC4], [libdrm >= $LIBDRM_VC4_REQUIRED])
2836
2837             PKG_CHECK_MODULES([SIMPENROSE], [simpenrose],
2838                               [USE_VC4_SIMULATOR=yes;
2839                                DEFINES="$DEFINES -DUSE_VC4_SIMULATOR"],
2840                               [USE_VC4_SIMULATOR=no])
2841             ;;
2842         xv3d)
2843             HAVE_GALLIUM_V3D=yes
2844
2845             PKG_CHECK_MODULES([V3D_SIMULATOR], [v3dv3],
2846                               [USE_V3D_SIMULATOR=yes;
2847                                DEFINES="$DEFINES -DUSE_V3D_SIMULATOR"],
2848                               [USE_V3D_SIMULATOR=no])
2849             ;;
2850         xkmsro)
2851             HAVE_GALLIUM_KMSRO=yes
2852             ;;
2853         xvirgl)
2854             HAVE_GALLIUM_VIRGL=yes
2855             require_libdrm "virgl"
2856             if test "x$enable_egl" = xyes; then
2857                 require_basic_egl "virgl"
2858             fi
2859             ;;
2860         *)
2861             AC_MSG_ERROR([Unknown Gallium driver: $driver])
2862             ;;
2863         esac
2864     done
2865 fi
2866
2867 # XXX: Keep in sync with LLVM_REQUIRED_SWR
2868 AM_CONDITIONAL(SWR_INVALID_LLVM_VERSION, test "x$LLVM_VERSION" != x6.0.0 -a \
2869                                               "x$LLVM_VERSION" != x6.0.1)
2870
2871 if test "x$enable_llvm" = "xyes" -a "$with_gallium_drivers"; then
2872     llvm_require_version $LLVM_REQUIRED_GALLIUM "gallium"
2873     llvm_add_default_components "gallium"
2874 fi
2875
2876 AM_CONDITIONAL(HAVE_SWR_AVX, test "x$HAVE_SWR_AVX" = xyes)
2877 AM_CONDITIONAL(HAVE_SWR_AVX2, test "x$HAVE_SWR_AVX2" = xyes)
2878 AM_CONDITIONAL(HAVE_SWR_KNL, test "x$HAVE_SWR_KNL" = xyes)
2879 AM_CONDITIONAL(HAVE_SWR_SKX, test "x$HAVE_SWR_SKX" = xyes)
2880 AM_CONDITIONAL(HAVE_SWR_BUILTIN, test "x$HAVE_SWR_BUILTIN" = xyes)
2881
2882 dnl We need to validate some needed dependencies for renderonly drivers.
2883
2884 if test "x$HAVE_GALLIUM_VC4" != xyes -a "x$HAVE_GALLIUM_KMSRO" = xyes  ; then
2885     AC_MSG_ERROR([Building with kmsro requires vc4])
2886 fi
2887
2888 if test "x$HAVE_GALLIUM_NOUVEAU" != xyes -a "x$HAVE_GALLIUM_TEGRA" = xyes; then
2889     AC_MSG_ERROR([Building with tegra requires nouveau])
2890 fi
2891
2892 detect_old_buggy_llvm() {
2893     dnl llvm-config may not give the right answer when llvm is a built as a
2894     dnl single shared library, so we must work the library name out for
2895     dnl ourselves.
2896     dnl (See https://llvm.org/bugs/show_bug.cgi?id=6823)
2897     dnl We can't use $LLVM_VERSION because it has 'svn' stripped out,
2898     LLVM_SO_NAME=LLVM-`$LLVM_CONFIG --version`
2899     AS_IF([test -f "$LLVM_LIBDIR/lib$LLVM_SO_NAME.$IMP_LIB_EXT"], [llvm_have_one_so=yes])
2900
2901     if test "x$llvm_have_one_so" = xyes; then
2902         dnl LLVM was built using auto*, so there is only one shared object.
2903         LLVM_LIBS="-l$LLVM_SO_NAME"
2904     else
2905         dnl If LLVM was built with CMake, there will be one shared object per
2906         dnl component.
2907         AS_IF([test ! -f "$LLVM_LIBDIR/libLLVMTarget.$IMP_LIB_EXT"],
2908                [AC_MSG_ERROR([Could not find llvm shared libraries:
2909                 Please make sure you have built llvm with the --enable-shared option
2910                 and that your llvm libraries are installed in $LLVM_LIBDIR
2911                 If you have installed your llvm libraries to a different directory you
2912                 can use the --with-llvm-prefix= configure flag to specify this directory.
2913                 NOTE: Mesa is attempting to use llvm shared libraries by default.
2914                 If you do not want to build with llvm shared libraries and instead want to
2915                 use llvm static libraries then add --disable-llvm-shared-libs to your configure
2916                 invocation and rebuild.])])
2917
2918         dnl We don't need to update LLVM_LIBS in this case because the LLVM
2919         dnl install uses a shared object for each component and we have
2920         dnl already added all of these objects to LLVM_LIBS.
2921     fi
2922 }
2923
2924 dnl
2925 dnl Set defines and buildtime variables only when using LLVM.
2926 dnl
2927 if test "x$enable_llvm" = xyes; then
2928     DEFINES="${DEFINES} -DHAVE_LLVM=0x0$LLVM_VERSION_INT -DMESA_LLVM_VERSION_PATCH=$LLVM_VERSION_PATCH"
2929
2930     LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2931     LLVM_CFLAGS=$LLVM_CPPFLAGS   # CPPFLAGS seem to be sufficient
2932     LLVM_CXXFLAGS=`strip_unwanted_llvm_flags "$LLVM_CONFIG --cxxflags"`
2933     LLVM_CXXFLAGS="$CXX11_CXXFLAGS $LLVM_CXXFLAGS"
2934
2935     dnl Set LLVM_LIBS - This is done after the driver configuration so
2936     dnl that drivers can add additional components to LLVM_COMPONENTS.
2937     dnl Previously, gallium drivers were updating LLVM_LIBS directly
2938     dnl by calling llvm-config --libs ${DRIVER_LLVM_COMPONENTS}, but
2939     dnl this was causing the same libraries to be appear multiple times
2940     dnl in LLVM_LIBS.
2941
2942     if test $LLVM_VERSION_MAJOR -ge 4 -o $LLVM_VERSION_MAJOR -eq 3 -a $LLVM_VERSION_MINOR -ge 9; then
2943         if test "x$enable_llvm_shared_libs" = xyes; then
2944             LLVM_LIBS="`$LLVM_CONFIG --link-shared --libs ${LLVM_COMPONENTS}`"
2945         else
2946             dnl Invoking llvm-config with both -libs and --system-libs produces the
2947             dnl two separate lines - each for the set of libraries.
2948                 dnl Call the program twice, effectively folding them into a single line.
2949             LLVM_LIBS="`$LLVM_CONFIG --link-static --libs ${LLVM_COMPONENTS}`"
2950             dnl We need to link to llvm system libs when using static libs
2951             LLVM_LIBS="$LLVM_LIBS `$LLVM_CONFIG --link-static --system-libs`"
2952         fi
2953     else
2954         LLVM_LIBS="`$LLVM_CONFIG --libs ${LLVM_COMPONENTS}`"
2955         if test "x$enable_llvm_shared_libs" = xyes; then
2956             detect_old_buggy_llvm
2957         else
2958             AC_MSG_WARN([Building mesa with statically linked LLVM may cause compilation issues])
2959             dnl We need to link to llvm system libs when using static libs
2960             dnl However, only llvm 3.5+ provides --system-libs
2961             if test $LLVM_VERSION_MAJOR -ge 4 -o $LLVM_VERSION_MAJOR -eq 3 -a $LLVM_VERSION_MINOR -ge 5; then
2962                 LLVM_LIBS="$LLVM_LIBS `$LLVM_CONFIG --system-libs`"
2963             fi
2964         fi
2965     fi
2966
2967     dnl The gallium-xlib GLX and gallium OSMesa targets directly embed the
2968     dnl swr/llvmpipe driver into the final binary.  Adding LLVM_LIBS results in
2969     dnl the LLVM library propagated in the Libs.private of the respective .pc
2970     dnl file which ensures complete dependency information when statically
2971     dnl linking.
2972     if test "x$enable_glx" = xgallium-xlib; then
2973         GL_PC_LIB_PRIV="$GL_PC_LIB_PRIV $LLVM_LIBS"
2974     fi
2975     if test "x$enable_gallium_osmesa" = xyes; then
2976         OSMESA_PC_LIB_PRIV="$OSMESA_PC_LIB_PRIV $LLVM_LIBS"
2977     fi
2978 fi
2979
2980 AM_CONDITIONAL(HAVE_GALLIUM_SVGA, test "x$HAVE_GALLIUM_SVGA" = xyes)
2981 AM_CONDITIONAL(HAVE_GALLIUM_I915, test "x$HAVE_GALLIUM_I915" = xyes)
2982 AM_CONDITIONAL(HAVE_GALLIUM_KMSRO, test "x$HAVE_GALLIUM_KMSRO" = xyes)
2983 AM_CONDITIONAL(HAVE_GALLIUM_R300, test "x$HAVE_GALLIUM_R300" = xyes)
2984 AM_CONDITIONAL(HAVE_GALLIUM_R600, test "x$HAVE_GALLIUM_R600" = xyes)
2985 AM_CONDITIONAL(HAVE_GALLIUM_RADEONSI, test "x$HAVE_GALLIUM_RADEONSI" = xyes)
2986 AM_CONDITIONAL(HAVE_GALLIUM_NOUVEAU, test "x$HAVE_GALLIUM_NOUVEAU" = xyes)
2987 AM_CONDITIONAL(HAVE_GALLIUM_FREEDRENO, test "x$HAVE_GALLIUM_FREEDRENO" = xyes)
2988 AM_CONDITIONAL(HAVE_GALLIUM_ETNAVIV, test "x$HAVE_GALLIUM_ETNAVIV" = xyes)
2989 AM_CONDITIONAL(HAVE_GALLIUM_TEGRA, test "x$HAVE_GALLIUM_TEGRA" = xyes)
2990 AM_CONDITIONAL(HAVE_GALLIUM_SOFTPIPE, test "x$HAVE_GALLIUM_SOFTPIPE" = xyes)
2991 AM_CONDITIONAL(HAVE_GALLIUM_LLVMPIPE, test "x$HAVE_GALLIUM_LLVMPIPE" = xyes)
2992 AM_CONDITIONAL(HAVE_GALLIUM_SWR, test "x$HAVE_GALLIUM_SWR" = xyes)
2993 AM_CONDITIONAL(HAVE_GALLIUM_SWRAST, test "x$HAVE_GALLIUM_SOFTPIPE" = xyes -o \
2994                                          "x$HAVE_GALLIUM_LLVMPIPE" = xyes -o \
2995                                          "x$HAVE_GALLIUM_SWR" = xyes)
2996 AM_CONDITIONAL(HAVE_GALLIUM_V3D, test "x$HAVE_GALLIUM_V3D" = xyes)
2997 AM_CONDITIONAL(HAVE_GALLIUM_VC4, test "x$HAVE_GALLIUM_VC4" = xyes)
2998 AM_CONDITIONAL(HAVE_GALLIUM_VIRGL, test "x$HAVE_GALLIUM_VIRGL" = xyes)
2999
3000 AM_CONDITIONAL(HAVE_GALLIUM_STATIC_TARGETS, test "x$enable_shared_pipe_drivers" = xno)
3001
3002 if test "x$enable_dri" = xyes; then
3003     GALLIUM_PIPE_LOADER_DEFINES="$GALLIUM_PIPE_LOADER_DEFINES -DHAVE_PIPE_LOADER_DRI"
3004 fi
3005
3006 if test "x$have_drisw_kms" = xyes; then
3007     GALLIUM_PIPE_LOADER_DEFINES="$GALLIUM_PIPE_LOADER_DEFINES -DHAVE_PIPE_LOADER_KMS"
3008 fi
3009 AC_SUBST([GALLIUM_PIPE_LOADER_DEFINES])
3010
3011 AM_CONDITIONAL(HAVE_I915_DRI, test x$HAVE_I915_DRI = xyes)
3012 AM_CONDITIONAL(HAVE_I965_DRI, test x$HAVE_I965_DRI = xyes)
3013 AM_CONDITIONAL(HAVE_NOUVEAU_DRI, test x$HAVE_NOUVEAU_DRI = xyes)
3014 AM_CONDITIONAL(HAVE_R200_DRI, test x$HAVE_R200_DRI = xyes)
3015 AM_CONDITIONAL(HAVE_RADEON_DRI, test x$HAVE_RADEON_DRI = xyes)
3016 AM_CONDITIONAL(HAVE_SWRAST_DRI, test x$HAVE_SWRAST_DRI = xyes)
3017
3018 AM_CONDITIONAL(HAVE_RADEON_VULKAN, test "x$HAVE_RADEON_VULKAN" = xyes)
3019 AM_CONDITIONAL(HAVE_INTEL_VULKAN, test "x$HAVE_INTEL_VULKAN" = xyes)
3020
3021 AM_CONDITIONAL(HAVE_AMD_DRIVERS, test "x$HAVE_GALLIUM_RADEONSI" = xyes -o \
3022                                       "x$HAVE_RADEON_VULKAN" = xyes)
3023
3024 AM_CONDITIONAL(HAVE_BROADCOM_DRIVERS, test "x$HAVE_GALLIUM_VC4" = xyes -o \
3025                                       "x$HAVE_GALLIUM_V3D" = xyes)
3026
3027 AM_CONDITIONAL(HAVE_FREEDRENO_DRIVERS, test "x$HAVE_GALLIUM_FREEDRENO" = xyes)
3028 AM_CONDITIONAL(HAVE_INTEL_DRIVERS, test "x$HAVE_INTEL_VULKAN" = xyes -o \
3029                                         "x$HAVE_I965_DRI" = xyes)
3030
3031 AM_CONDITIONAL(NEED_RADEON_DRM_WINSYS, test "x$HAVE_GALLIUM_R300" = xyes -o \
3032                                             "x$HAVE_GALLIUM_R600" = xyes -o \
3033                                             "x$HAVE_GALLIUM_RADEONSI" = xyes)
3034 AM_CONDITIONAL(NEED_WINSYS_XLIB, test "x$enable_glx" = xgallium-xlib)
3035 AM_CONDITIONAL(HAVE_GALLIUM_COMPUTE, test x$enable_opencl = xyes)
3036 AM_CONDITIONAL(HAVE_GALLIUM_LLVM, test "x$enable_llvm" = xyes)
3037 AM_CONDITIONAL(USE_V3D_SIMULATOR, test x$USE_V3D_SIMULATOR = xyes)
3038 AM_CONDITIONAL(USE_VC4_SIMULATOR, test x$USE_VC4_SIMULATOR = xyes)
3039
3040 AM_CONDITIONAL(HAVE_LIBDRM, test "x$have_libdrm" = xyes)
3041 AM_CONDITIONAL(HAVE_OSMESA, test "x$enable_osmesa" = xyes)
3042 AM_CONDITIONAL(HAVE_GALLIUM_OSMESA, test "x$enable_gallium_osmesa" = xyes)
3043 AM_CONDITIONAL(HAVE_COMMON_OSMESA, test "x$enable_osmesa" = xyes -o \
3044                                         "x$enable_gallium_osmesa" = xyes)
3045
3046 AM_CONDITIONAL(HAVE_X86_ASM, test "x$asm_arch" = xx86 -o "x$asm_arch" = xx86_64)
3047 AM_CONDITIONAL(HAVE_X86_64_ASM, test "x$asm_arch" = xx86_64)
3048 AM_CONDITIONAL(HAVE_SPARC_ASM, test "x$asm_arch" = xsparc)
3049 AM_CONDITIONAL(HAVE_PPC64LE_ASM, test "x$asm_arch" = xppc64le)
3050 AM_CONDITIONAL(HAVE_AARCH64_ASM, test "x$asm_arch" = xaarch64)
3051 AM_CONDITIONAL(HAVE_ARM_ASM, test "x$asm_arch" = xarm)
3052
3053 AC_SUBST([NINE_MAJOR], 1)
3054 AC_SUBST([NINE_MINOR], 0)
3055 AC_SUBST([NINE_PATCH], 0)
3056 AC_SUBST([NINE_VERSION], "$NINE_MAJOR.$NINE_MINOR.$NINE_PATCH")
3057
3058 AC_SUBST([VDPAU_MAJOR], 1)
3059 AC_SUBST([VDPAU_MINOR], 0)
3060
3061 if test "x$enable_va" = xyes; then
3062     VA_MAJOR=`$PKG_CONFIG --modversion libva | $SED -n 's/\([[^\.]]*\)\..*$/\1/p'`
3063     VA_MINOR=`$PKG_CONFIG --modversion libva | $SED -n 's/.*\.\(.*\)\..*$/\1/p'`
3064 fi
3065 AC_SUBST([VA_MAJOR], $VA_MAJOR)
3066 AC_SUBST([VA_MINOR], $VA_MINOR)
3067
3068 AM_CONDITIONAL(HAVE_VULKAN_COMMON, test "x$VULKAN_DRIVERS" != "x")
3069
3070 AC_SUBST([XVMC_MAJOR], 1)
3071 AC_SUBST([XVMC_MINOR], 0)
3072
3073 AC_SUBST([XA_MAJOR], 2)
3074 AC_SUBST([XA_MINOR], 5)
3075 AC_SUBST([XA_PATCH], 0)
3076 AC_SUBST([XA_VERSION], "$XA_MAJOR.$XA_MINOR.$XA_PATCH")
3077
3078 AC_ARG_ENABLE(valgrind,
3079               [AS_HELP_STRING([--enable-valgrind],
3080                              [Build mesa with valgrind support (default: auto)])],
3081                              [VALGRIND=$enableval], [VALGRIND=auto])
3082 if test "x$VALGRIND" != xno; then
3083     PKG_CHECK_MODULES(VALGRIND, [valgrind], [have_valgrind=yes], [have_valgrind=no])
3084 fi
3085 AC_MSG_CHECKING([whether to enable Valgrind support])
3086 if test "x$VALGRIND" = xauto; then
3087     VALGRIND="$have_valgrind"
3088 fi
3089
3090 if test "x$VALGRIND" = "xyes"; then
3091     if ! test "x$have_valgrind" = xyes; then
3092         AC_MSG_ERROR([Valgrind support required but not present])
3093     fi
3094     AC_DEFINE([HAVE_VALGRIND], 1, [Use valgrind intrinsics to suppress false warnings])
3095 fi
3096
3097 AC_MSG_RESULT([$VALGRIND])
3098
3099 dnl Restore LDFLAGS and CPPFLAGS
3100 LDFLAGS="$_SAVE_LDFLAGS"
3101 CPPFLAGS="$_SAVE_CPPFLAGS"
3102
3103 dnl Suppress clang's warnings about unused CFLAGS and CXXFLAGS
3104 if test "x$acv_mesa_CLANG" = xyes; then
3105     CFLAGS="$CFLAGS -Qunused-arguments"
3106     CXXFLAGS="$CXXFLAGS -Qunused-arguments"
3107 fi
3108
3109 dnl Add user CFLAGS and CXXFLAGS
3110 CFLAGS="$CFLAGS $USER_CFLAGS"
3111 CXXFLAGS="$CXXFLAGS $USER_CXXFLAGS"
3112
3113 dnl Substitute the config
3114 AC_CONFIG_FILES([Makefile
3115                  src/Makefile
3116                  src/amd/Makefile
3117                  src/amd/vulkan/Makefile
3118                  src/broadcom/Makefile
3119                  src/compiler/Makefile
3120                  src/freedreno/Makefile
3121                  src/egl/Makefile
3122                  src/egl/main/egl.pc
3123                  src/egl/wayland/wayland-drm/Makefile
3124                  src/gallium/Makefile
3125                  src/gallium/auxiliary/Makefile
3126                  src/gallium/auxiliary/pipe-loader/Makefile
3127                  src/gallium/drivers/freedreno/Makefile
3128                  src/gallium/drivers/i915/Makefile
3129                  src/gallium/drivers/llvmpipe/Makefile
3130                  src/gallium/drivers/nouveau/Makefile
3131                  src/gallium/drivers/kmsro/Makefile
3132                  src/gallium/drivers/r300/Makefile
3133                  src/gallium/drivers/r600/Makefile
3134                  src/gallium/drivers/radeonsi/Makefile
3135                  src/gallium/drivers/softpipe/Makefile
3136                  src/gallium/drivers/svga/Makefile
3137                  src/gallium/drivers/swr/Makefile
3138                  src/gallium/drivers/tegra/Makefile
3139                  src/gallium/drivers/etnaviv/Makefile
3140                  src/gallium/drivers/v3d/Makefile
3141                  src/gallium/drivers/vc4/Makefile
3142                  src/gallium/drivers/virgl/Makefile
3143                  src/gallium/state_trackers/clover/Makefile
3144                  src/gallium/state_trackers/dri/Makefile
3145                  src/gallium/state_trackers/glx/xlib/Makefile
3146                  src/gallium/state_trackers/nine/Makefile
3147                  src/gallium/state_trackers/omx/Makefile
3148                  src/gallium/state_trackers/omx/bellagio/Makefile
3149                  src/gallium/state_trackers/omx/tizonia/Makefile
3150                  src/gallium/state_trackers/osmesa/Makefile
3151                  src/gallium/state_trackers/va/Makefile
3152                  src/gallium/state_trackers/vdpau/Makefile
3153                  src/gallium/state_trackers/xa/Makefile
3154                  src/gallium/state_trackers/xa/xa_tracker.h
3155                  src/gallium/state_trackers/xvmc/Makefile
3156                  src/gallium/targets/d3dadapter9/Makefile
3157                  src/gallium/targets/d3dadapter9/d3d.pc
3158                  src/gallium/targets/dri/Makefile
3159                  src/gallium/targets/libgl-xlib/Makefile
3160                  src/gallium/targets/omx/Makefile
3161                  src/gallium/targets/opencl/Makefile
3162                  src/gallium/targets/opencl/mesa.icd
3163                  src/gallium/targets/osmesa/Makefile
3164                  src/gallium/targets/osmesa/osmesa.pc
3165                  src/gallium/targets/pipe-loader/Makefile
3166                  src/gallium/targets/va/Makefile
3167                  src/gallium/targets/vdpau/Makefile
3168                  src/gallium/targets/xa/Makefile
3169                  src/gallium/targets/xa/xatracker.pc
3170                  src/gallium/targets/xvmc/Makefile
3171                  src/gallium/tests/trivial/Makefile
3172                  src/gallium/tests/unit/Makefile
3173                  src/gallium/winsys/etnaviv/drm/Makefile
3174                  src/gallium/winsys/freedreno/drm/Makefile
3175                  src/gallium/winsys/i915/drm/Makefile
3176                  src/gallium/winsys/nouveau/drm/Makefile
3177                  src/gallium/winsys/kmsro/drm/Makefile
3178                  src/gallium/winsys/radeon/drm/Makefile
3179                  src/gallium/winsys/amdgpu/drm/Makefile
3180                  src/gallium/winsys/svga/drm/Makefile
3181                  src/gallium/winsys/sw/dri/Makefile
3182                  src/gallium/winsys/sw/kms-dri/Makefile
3183                  src/gallium/winsys/sw/null/Makefile
3184                  src/gallium/winsys/sw/wrapper/Makefile
3185                  src/gallium/winsys/sw/xlib/Makefile
3186                  src/gallium/winsys/tegra/drm/Makefile
3187                  src/gallium/winsys/v3d/drm/Makefile
3188                  src/gallium/winsys/vc4/drm/Makefile
3189                  src/gallium/winsys/virgl/drm/Makefile
3190                  src/gallium/winsys/virgl/vtest/Makefile
3191                  src/gbm/Makefile
3192                  src/gbm/main/gbm.pc
3193                  src/glx/Makefile
3194                  src/glx/apple/Makefile
3195                  src/glx/tests/Makefile
3196                  src/glx/windows/Makefile
3197                  src/glx/windows/windowsdriproto.pc
3198                  src/gtest/Makefile
3199                  src/intel/Makefile
3200                  src/loader/Makefile
3201                  src/mapi/Makefile
3202                  src/mapi/es1api/glesv1_cm.pc
3203                  src/mapi/es2api/glesv2.pc
3204                  src/mapi/glapi/gen/Makefile
3205                  src/mesa/Makefile
3206                  src/mesa/gl.pc
3207                  src/mesa/drivers/dri/dri.pc
3208                  src/mesa/drivers/dri/common/Makefile
3209                  src/mesa/drivers/dri/i915/Makefile
3210                  src/mesa/drivers/dri/i965/Makefile
3211                  src/mesa/drivers/dri/Makefile
3212                  src/mesa/drivers/dri/nouveau/Makefile
3213                  src/mesa/drivers/dri/r200/Makefile
3214                  src/mesa/drivers/dri/radeon/Makefile
3215                  src/mesa/drivers/dri/swrast/Makefile
3216                  src/mesa/drivers/osmesa/Makefile
3217                  src/mesa/drivers/osmesa/osmesa.pc
3218                  src/mesa/drivers/x11/Makefile
3219                  src/mesa/main/tests/Makefile
3220                  src/mesa/state_tracker/tests/Makefile
3221                  src/util/Makefile
3222                  src/util/tests/fast_idiv_by_const/Makefile
3223                  src/util/tests/hash_table/Makefile
3224                  src/util/tests/set/Makefile
3225                  src/util/tests/string_buffer/Makefile
3226                  src/util/tests/vma/Makefile
3227                  src/util/xmlpool/Makefile
3228                  src/vulkan/Makefile])
3229
3230 AC_OUTPUT
3231
3232 # Fix up dependencies in *.Plo files, where we changed the extension of a
3233 # source file
3234 $SED -i -e 's/brw_blorp.cpp/brw_blorp.c/' src/mesa/drivers/dri/i965/.deps/brw_blorp.Plo
3235
3236 rm -f src/compiler/spirv/spirv_info.lo
3237 echo "# dummy" > src/compiler/spirv/.deps/spirv_info.Plo
3238
3239 rm -f src/compiler/nir/.deps/nir_intrinsics.Plo
3240 echo "# dummy" > src/compiler/nir/.deps/nir_intrinsics.Plo
3241
3242 dnl
3243 dnl Output some configuration info for the user
3244 dnl
3245 echo ""
3246 echo "        prefix:          $prefix"
3247 echo "        exec_prefix:     $exec_prefix"
3248 echo "        libdir:          $libdir"
3249 echo "        includedir:      $includedir"
3250
3251 dnl API info
3252 echo ""
3253 echo "        OpenGL:          $enable_opengl (ES1: $enable_gles1 ES2: $enable_gles2)"
3254
3255 dnl Driver info
3256 echo ""
3257 case "x$enable_osmesa$enable_gallium_osmesa" in
3258 xnoyes)
3259         echo "        OSMesa:          lib$OSMESA_LIB (Gallium)"
3260         ;;
3261 xyesno)
3262         echo "        OSMesa:          lib$OSMESA_LIB"
3263         ;;
3264 xnono)
3265         echo "        OSMesa:          no"
3266         ;;
3267 esac
3268
3269 echo ""
3270 if test "x$enable_dri" != xno; then
3271         echo "        DRI platform:    $dri_platform"
3272         if test -z "$DRI_DIRS"; then
3273             echo "        DRI drivers:     no"
3274         else
3275             echo "        DRI drivers:     $DRI_DIRS"
3276         fi
3277         echo "        DRI driver dir:  $DRI_DRIVER_INSTALL_DIR"
3278 fi
3279
3280 case "x$enable_glx" in
3281 xdri)
3282     echo "        GLX:             DRI-based"
3283     ;;
3284 xxlib)
3285     echo "        GLX:             Xlib-based"
3286     ;;
3287 xgallium-xlib)
3288     echo "        GLX:             Xlib-based (Gallium)"
3289     ;;
3290 *)
3291     echo "        GLX:             $enable_glx"
3292     ;;
3293 esac
3294
3295 dnl EGL
3296 echo ""
3297 echo "        EGL:             $enable_egl"
3298 if test "$enable_egl" = yes; then
3299
3300     egl_drivers=""
3301     if test "x$enable_dri" != "xno"; then
3302         egl_drivers="$egl_drivers builtin:egl_dri2"
3303     fi
3304     if test "x$enable_dri3" != "xno"; then
3305         egl_drivers="$egl_drivers builtin:egl_dri3"
3306     fi
3307
3308     echo "        EGL drivers:    $egl_drivers"
3309 fi
3310 if test "x$enable_gbm" = xyes; then
3311     echo "        GBM:             yes"
3312 else
3313     echo "        GBM:             no"
3314 fi
3315
3316     echo "        EGL/Vulkan/VL platforms:   $platforms"
3317
3318 # Vulkan
3319 echo ""
3320 if test "x$VULKAN_DRIVERS" != x; then
3321     echo "        Vulkan drivers:  $VULKAN_DRIVERS"
3322     echo "        Vulkan ICD dir:  $VULKAN_ICD_INSTALL_DIR"
3323 else
3324     echo "        Vulkan drivers:  no"
3325 fi
3326
3327 echo ""
3328 if test "x$enable_llvm" = xyes; then
3329     echo "        llvm:            yes"
3330     echo "        llvm-config:     $LLVM_CONFIG"
3331     echo "        llvm-version:    $LLVM_VERSION"
3332 else
3333     echo "        llvm:            no"
3334 fi
3335
3336 echo ""
3337 if test -n "$with_gallium_drivers"; then
3338     echo "        Gallium drivers: $gallium_drivers"
3339     echo "        Gallium st:      $gallium_st"
3340 else
3341     echo "        Gallium:         no"
3342 fi
3343
3344 echo ""
3345 if test "x$enable_gallium_extra_hud" != xyes; then
3346     echo "        HUD extra stats: no"
3347 else
3348     echo "        HUD extra stats: yes"
3349 fi
3350
3351 if test "x$enable_lmsensors" != xyes; then
3352     echo "        HUD lmsensors:   no"
3353 else
3354     echo "        HUD lmsensors:   yes"
3355 fi
3356
3357 echo ""
3358 if test "x$HAVE_GALLIUM_SWR" != x; then
3359     if test "x$HAVE_SWR_BUILTIN" = xyes; then
3360         echo "        SWR archs:       $swr_archs (builtin)"
3361     else
3362         echo "        SWR archs:       $swr_archs"
3363     fi
3364 fi
3365
3366 dnl Libraries
3367 echo ""
3368 echo "        Shared libs:     $enable_shared"
3369 echo "        Static libs:     $enable_static"
3370 echo "        Shared-glapi:    $enable_shared_glapi"
3371
3372 dnl Compiler options
3373 # cleanup the CFLAGS/CXXFLAGS/LDFLAGS/DEFINES vars
3374 cflags=`echo $CFLAGS | \
3375     $SED 's/^ *//;s/  */ /;s/ *$//'`
3376 cxxflags=`echo $CXXFLAGS | \
3377     $SED 's/^ *//;s/  */ /;s/ *$//'`
3378 ldflags=`echo $LDFLAGS | $SED 's/^ *//;s/  */ /;s/ *$//'`
3379 defines=`echo $DEFINES | $SED 's/^ *//;s/  */ /;s/ *$//'`
3380 echo ""
3381 echo "        CFLAGS:          $cflags"
3382 echo "        CXXFLAGS:        $cxxflags"
3383 echo "        CXX11_CXXFLAGS:  $CXX11_CXXFLAGS"
3384 echo "        LDFLAGS:         $ldflags"
3385 echo "        Macros:          $defines"
3386 echo ""
3387 if test "x$enable_llvm" = xyes; then
3388     echo "        LLVM_CFLAGS:     $LLVM_CFLAGS"
3389     echo "        LLVM_CXXFLAGS:   $LLVM_CXXFLAGS"
3390     echo "        LLVM_CPPFLAGS:   $LLVM_CPPFLAGS"
3391     echo "        LLVM_LDFLAGS:    $LLVM_LDFLAGS"
3392     echo ""
3393 fi
3394 echo "        PYTHON:         $PYTHON"
3395
3396 echo ""
3397 echo "        Run '${MAKE-make}' to build Mesa"
3398 echo ""