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 # Support silent build rules, requires at least automake-1.11. Disable
  56 # by either passing --disable-silent-rules to configure or passing V=1
  57 # to make
  58 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])],
  59     [AC_SUBST([AM_DEFAULT_VERBOSITY], [1])])
  60
  61 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
  62
  63 dnl Set internal versions
  64 OSMESA_VERSION=8
  65 AC_SUBST([OSMESA_VERSION])
  66 OPENCL_VERSION=1
  67 AC_SUBST([OPENCL_VERSION])
  68
  69 # The idea is that libdrm is distributed as one cohesive package, even
  70 # though it is composed of multiple libraries. However some drivers
  71 # may have different version requirements than others. This list
  72 # codifies which drivers need which version of libdrm. Any libdrm
  73 # version dependencies in non-driver-specific code should be reflected
  74 # in the first entry.
  75 LIBDRM_REQUIRED=2.4.75
  76 LIBDRM_RADEON_REQUIRED=2.4.71
  77 LIBDRM_AMDGPU_REQUIRED=2.4.79
  78 LIBDRM_INTEL_REQUIRED=2.4.75
  79 LIBDRM_NVVIEUX_REQUIRED=2.4.66
  80 LIBDRM_NOUVEAU_REQUIRED=2.4.66
  81 LIBDRM_FREEDRENO_REQUIRED=2.4.74
  82 LIBDRM_VC4_REQUIRED=2.4.69
  83 LIBDRM_ETNAVIV_REQUIRED=2.4.80
  84
  85 dnl Versions for external dependencies
  86 DRI2PROTO_REQUIRED=2.8
  87 GLPROTO_REQUIRED=1.4.14
  88 LIBOMXIL_BELLAGIO_REQUIRED=0.0
  89 LIBVA_REQUIRED=0.38.0
  90 VDPAU_REQUIRED=1.1
  91 WAYLAND_REQUIRED=1.11
  92 XCB_REQUIRED=1.9.3
  93 XCBDRI2_REQUIRED=1.8
  94 XCBGLX_REQUIRED=1.8.1
  95 XDAMAGE_REQUIRED=1.1
  96 XSHMFENCE_REQUIRED=1.1
  97 XVMC_REQUIRED=1.0.6
  98 PYTHON_MAKO_REQUIRED=0.8.0
  99 LIBSENSORS_REQUIRED=4.0.0
 100 ZLIB_REQUIRED=1.2.8
 101
 102 dnl LLVM versions
 103 LLVM_REQUIRED_GALLIUM=3.3.0
 104 LLVM_REQUIRED_OPENCL=3.6.0
 105 LLVM_REQUIRED_R600=3.9.0
 106 LLVM_REQUIRED_RADEONSI=3.9.0
 107 LLVM_REQUIRED_RADV=3.9.0
 108 LLVM_REQUIRED_SWR=3.9.0
 109
 110 dnl Check for progs
 111 AC_PROG_CPP
 112 AC_PROG_CC
 113 AC_PROG_CXX
 114 AM_PROG_CC_C_O
 115 AM_PROG_AS
 116 AX_CHECK_GNU_MAKE
 117 AC_CHECK_PROGS([PYTHON2], [python2.7 python2 python])
 118 AC_PROG_SED
 119 AC_PROG_MKDIR_P
 120
 121 AC_SYS_LARGEFILE
 122
 123 LT_PREREQ([2.2])
 124 LT_INIT([disable-static])
 125
 126 AC_CHECK_PROG(RM, rm, [rm -f])
 127
 128 AX_PROG_BISON([],
 129               AS_IF([test ! -f "$srcdir/src/compiler/glsl/glcpp/glcpp-parse.c"],
 130                     [AC_MSG_ERROR([bison not found - unable to compile glcpp-parse.y])]))
 131 AX_PROG_FLEX([],
 132              AS_IF([test ! -f "$srcdir/src/compiler/glsl/glcpp/glcpp-lex.c"],
 133                    [AC_MSG_ERROR([flex not found - unable to compile glcpp-lex.l])]))
 134
 135 AC_CHECK_PROG(INDENT, indent, indent, cat)
 136 if test "x$INDENT" != "xcat"; then
 137     # Only GNU indent is supported
 138     INDENT_VERSION=`indent --version | grep GNU`
 139     if test $? -eq 0; then
 140        AC_SUBST(INDENT_FLAGS, '-i4 -nut -br -brs -npcs -ce -TGLubyte -TGLbyte -TBool')
 141     else
 142        INDENT="cat"
 143     fi
 144 fi
 145
 146 AX_CHECK_PYTHON_MAKO_MODULE($PYTHON_MAKO_REQUIRED)
 147
 148 if test -z "$PYTHON2"; then
 149     if test ! -f "$srcdir/src/util/format_srgb.c"; then
 150         AC_MSG_ERROR([Python not found - unable to generate sources])
 151     fi
 152 else
 153     if test "x$acv_mako_found" = xno; then
 154         if test ! -f "$srcdir/src/mesa/main/format_unpack.c"; then
 155             AC_MSG_ERROR([Python mako module v$PYTHON_MAKO_REQUIRED or higher not found])
 156         fi
 157     fi
 158 fi
 159
 160 AC_PROG_INSTALL
 161
 162 dnl We need a POSIX shell for parts of the build. Assume we have one
 163 dnl in most cases.
 164 case "$host_os" in
 165 solaris*)
 166     # Solaris /bin/sh is too old/non-POSIX compliant
 167     AC_PATH_PROGS(POSIX_SHELL, [ksh93 ksh sh])
 168     SHELL="$POSIX_SHELL"
 169     ;;
 170 esac
 171
 172 dnl clang is mostly GCC-compatible, but its version is much lower,
 173 dnl so we have to check for it.
 174 AC_MSG_CHECKING([if compiling with clang])
 175
 176 AC_COMPILE_IFELSE(
 177 [AC_LANG_PROGRAM([], [[
 178 #ifndef __clang__
 179        not clang
 180 #endif
 181 ]])],
 182 [acv_mesa_CLANG=yes], [acv_mesa_CLANG=no])
 183
 184 AC_MSG_RESULT([$acv_mesa_CLANG])
 185
 186 dnl If we're using GCC, make sure that it is at least version 4.2.0.  Older
 187 dnl versions are explictly not supported.
 188 GEN_ASM_OFFSETS=no
 189 USE_GNU99=no
 190 if test "x$GCC" = xyes -a "x$acv_mesa_CLANG" = xno; then
 191     AC_MSG_CHECKING([whether gcc version is sufficient])
 192     major=0
 193     minor=0
 194
 195     GCC_VERSION=`$CC -dumpversion`
 196     if test $? -eq 0; then
 197         GCC_VERSION_MAJOR=`echo $GCC_VERSION | cut -d. -f1`
 198         GCC_VERSION_MINOR=`echo $GCC_VERSION | cut -d. -f2`
 199     fi
 200
 201     if test $GCC_VERSION_MAJOR -lt 4 -o $GCC_VERSION_MAJOR -eq 4 -a $GCC_VERSION_MINOR -lt 2 ; then
 202         AC_MSG_RESULT([no])
 203         AC_MSG_ERROR([If using GCC, version 4.2.0 or later is required.])
 204     else
 205         AC_MSG_RESULT([yes])
 206     fi
 207
 208     if test $GCC_VERSION_MAJOR -lt 4 -o $GCC_VERSION_MAJOR -eq 4 -a $GCC_VERSION_MINOR -lt 6 ; then
 209         USE_GNU99=yes
 210     fi
 211     if test "x$cross_compiling" = xyes; then
 212         GEN_ASM_OFFSETS=yes
 213     fi
 214 fi
 215
 216 dnl We don't support building Mesa with Sun C compiler
 217 dnl https://bugs.freedesktop.org/show_bug.cgi?id=93189
 218 AC_CHECK_DECL([__SUNPRO_C], [SUNCC=yes], [SUNCC=no])
 219 if test "x$SUNCC" = xyes; then
 220     AC_MSG_ERROR([Building with Sun C compiler is not supported, use GCC instead.])
 221 fi
 222
 223 dnl Check for compiler builtins
 224 AX_GCC_BUILTIN([__builtin_bswap32])
 225 AX_GCC_BUILTIN([__builtin_bswap64])
 226 AX_GCC_BUILTIN([__builtin_clz])
 227 AX_GCC_BUILTIN([__builtin_clzll])
 228 AX_GCC_BUILTIN([__builtin_ctz])
 229 AX_GCC_BUILTIN([__builtin_expect])
 230 AX_GCC_BUILTIN([__builtin_ffs])
 231 AX_GCC_BUILTIN([__builtin_ffsll])
 232 AX_GCC_BUILTIN([__builtin_popcount])
 233 AX_GCC_BUILTIN([__builtin_popcountll])
 234 AX_GCC_BUILTIN([__builtin_unreachable])
 235
 236 AX_GCC_FUNC_ATTRIBUTE([const])
 237 AX_GCC_FUNC_ATTRIBUTE([flatten])
 238 AX_GCC_FUNC_ATTRIBUTE([format])
 239 AX_GCC_FUNC_ATTRIBUTE([malloc])
 240 AX_GCC_FUNC_ATTRIBUTE([packed])
 241 AX_GCC_FUNC_ATTRIBUTE([pure])
 242 AX_GCC_FUNC_ATTRIBUTE([returns_nonnull])
 243 AX_GCC_FUNC_ATTRIBUTE([unused])
 244 AX_GCC_FUNC_ATTRIBUTE([visibility])
 245 AX_GCC_FUNC_ATTRIBUTE([warn_unused_result])
 246 AX_GCC_FUNC_ATTRIBUTE([weak])
 247 AX_GCC_FUNC_ATTRIBUTE([alias])
 248
 249 AM_CONDITIONAL([GEN_ASM_OFFSETS], test "x$GEN_ASM_OFFSETS" = xyes)
 250
 251 dnl Make sure the pkg-config macros are defined
 252 m4_ifndef([PKG_PROG_PKG_CONFIG],
 253     [m4_fatal([Could not locate the pkg-config autoconf macros.
 254   These are usually located in /usr/share/aclocal/pkg.m4. If your macros
 255   are in a different location, try setting the environment variable
 256   ACLOCAL="aclocal -I/other/macro/dir" before running autoreconf.])])
 257 PKG_PROG_PKG_CONFIG()
 258
 259 dnl LIB_DIR - library basename
 260 LIB_DIR=`echo $libdir | $SED 's%.*/%%'`
 261 AC_SUBST([LIB_DIR])
 262
 263 dnl Cache LDFLAGS and CPPFLAGS so we can add to them and restore later
 264 _SAVE_LDFLAGS="$LDFLAGS"
 265 _SAVE_CPPFLAGS="$CPPFLAGS"
 266
 267 dnl Compiler macros
 268 DEFINES="-D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
 269 AC_SUBST([DEFINES])
 270 android=no
 271 case "$host_os" in
 272 *-android*)
 273     android=yes
 274     ;;
 275 linux*|*-gnu*|gnu*|cygwin*)
 276     DEFINES="$DEFINES -D_GNU_SOURCE"
 277     ;;
 278 solaris*)
 279     DEFINES="$DEFINES -DSVR4"
 280     ;;
 281 esac
 282
 283 AM_CONDITIONAL(HAVE_ANDROID, test "x$android" = xyes)
 284
 285 dnl Add flags for gcc and g++
 286 if test "x$GCC" = xyes; then
 287     CFLAGS="$CFLAGS -Wall"
 288
 289     if test "x$USE_GNU99" = xyes; then
 290         CFLAGS="$CFLAGS -std=gnu99"
 291     else
 292         CFLAGS="$CFLAGS -std=c99"
 293     fi
 294
 295     # Enable -Werror=implicit-function-declaration and
 296     # -Werror=missing-prototypes, if available, or otherwise, just
 297     # -Wmissing-prototypes.  This is particularly useful to avoid
 298     # generating a loadable driver module that has undefined symbols.
 299     save_CFLAGS="$CFLAGS"
 300     AC_MSG_CHECKING([whether $CC supports -Werror=missing-prototypes])
 301     CFLAGS="$CFLAGS -Werror=implicit-function-declaration"
 302     CFLAGS="$CFLAGS -Werror=missing-prototypes"
 303     AC_LINK_IFELSE([AC_LANG_PROGRAM()],
 304                    AC_MSG_RESULT([yes]),
 305                    [CFLAGS="$save_CFLAGS -Wmissing-prototypes";
 306                     AC_MSG_RESULT([no])])
 307
 308     # Enable -fvisibility=hidden if using a gcc that supports it
 309     save_CFLAGS="$CFLAGS"
 310     AC_MSG_CHECKING([whether $CC supports -fvisibility=hidden])
 311     VISIBILITY_CFLAGS="-fvisibility=hidden"
 312     CFLAGS="$CFLAGS $VISIBILITY_CFLAGS"
 313     AC_LINK_IFELSE([AC_LANG_PROGRAM()], AC_MSG_RESULT([yes]),
 314                    [VISIBILITY_CFLAGS=""; AC_MSG_RESULT([no])])
 315
 316     # Restore CFLAGS; VISIBILITY_CFLAGS are added to it where needed.
 317     CFLAGS=$save_CFLAGS
 318
 319     # We don't want floating-point math functions to set errno or trap
 320     CFLAGS="$CFLAGS -fno-math-errno -fno-trapping-math"
 321
 322     # Flags to help ensure that certain portions of the code -- and only those
 323     # portions -- can be built with MSVC:
 324     # - src/util, src/gallium/auxiliary, rc/gallium/drivers/llvmpipe, and
 325     # - non-Linux/Posix OpenGL portions needs to build on MSVC 2013 (which
 326     #   supports most of C99)
 327     # - the rest has no compiler compiler restrictions
 328     MSVC2013_COMPAT_CFLAGS="-Werror=pointer-arith"
 329     MSVC2013_COMPAT_CXXFLAGS="-Werror=pointer-arith"
 330
 331     # Enable -Werror=vla if compiler supports it
 332     save_CFLAGS="$CFLAGS"
 333     AC_MSG_CHECKING([whether $CC supports -Werror=vla])
 334     CFLAGS="$CFLAGS -Werror=vla"
 335     AC_LINK_IFELSE([AC_LANG_PROGRAM()],
 336                    [MSVC2013_COMPAT_CFLAGS="$MSVC2013_COMPAT_CFLAGS -Werror=vla";
 337                     MSVC2013_COMPAT_CXXFLAGS="$MSVC2013_COMPAT_CXXFLAGS -Werror=vla";
 338                     AC_MSG_RESULT([yes])],
 339                     AC_MSG_RESULT([no]))
 340     CFLAGS="$save_CFLAGS"
 341 fi
 342 if test "x$GXX" = xyes; then
 343     CXXFLAGS="$CXXFLAGS -Wall"
 344
 345     # Enable -fvisibility=hidden if using a gcc that supports it
 346     save_CXXFLAGS="$CXXFLAGS"
 347     AC_MSG_CHECKING([whether $CXX supports -fvisibility=hidden])
 348     VISIBILITY_CXXFLAGS="-fvisibility=hidden"
 349     CXXFLAGS="$CXXFLAGS $VISIBILITY_CXXFLAGS"
 350     AC_LANG_PUSH([C++])
 351     AC_LINK_IFELSE([AC_LANG_PROGRAM()], AC_MSG_RESULT([yes]),
 352                    [VISIBILITY_CXXFLAGS="" ; AC_MSG_RESULT([no])])
 353     AC_LANG_POP([C++])
 354
 355     # Restore CXXFLAGS; VISIBILITY_CXXFLAGS are added to it where needed.
 356     CXXFLAGS=$save_CXXFLAGS
 357
 358     # We don't want floating-point math functions to set errno or trap
 359     CXXFLAGS="$CXXFLAGS -fno-math-errno -fno-trapping-math"
 360 fi
 361
 362 AC_SUBST([MSVC2013_COMPAT_CFLAGS])
 363 AC_SUBST([MSVC2013_COMPAT_CXXFLAGS])
 364
 365 dnl even if the compiler appears to support it, using visibility attributes isn't
 366 dnl going to do anything useful currently on cygwin apart from emit lots of warnings
 367 case "$host_os" in
 368 cygwin*)
 369     VISIBILITY_CFLAGS=""
 370     VISIBILITY_CXXFLAGS=""
 371     ;;
 372 esac
 373
 374 AC_SUBST([VISIBILITY_CFLAGS])
 375 AC_SUBST([VISIBILITY_CXXFLAGS])
 376
 377 dnl
 378 dnl Optional flags, check for compiler support
 379 dnl
 380 SSE41_CFLAGS="-msse4.1"
 381 dnl Code compiled by GCC with -msse* assumes a 16 byte aligned
 382 dnl stack, but on x86-32 such alignment is not guaranteed.
 383 case "$target_cpu" in
 384 i?86)
 385     SSE41_CFLAGS="$SSE41_CFLAGS -mstackrealign"
 386     ;;
 387 esac
 388 save_CFLAGS="$CFLAGS"
 389 CFLAGS="$SSE41_CFLAGS $CFLAGS"
 390 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
 391 #include <smmintrin.h>
 392 int param;
 393 int main () {
 394     __m128i a = _mm_set1_epi32 (param), b = _mm_set1_epi32 (param + 1), c;
 395     c = _mm_max_epu32(a, b);
 396     return _mm_cvtsi128_si32(c);
 397 }]])], SSE41_SUPPORTED=1)
 398 CFLAGS="$save_CFLAGS"
 399 if test "x$SSE41_SUPPORTED" = x1; then
 400     DEFINES="$DEFINES -DUSE_SSE41"
 401 fi
 402 AM_CONDITIONAL([SSE41_SUPPORTED], [test x$SSE41_SUPPORTED = x1])
 403 AC_SUBST([SSE41_CFLAGS], $SSE41_CFLAGS)
 404
 405 dnl Check for new-style atomic builtins
 406 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
 407 int main() {
 408     int n;
 409     return __atomic_load_n(&n, __ATOMIC_ACQUIRE);
 410 }]])], GCC_ATOMIC_BUILTINS_SUPPORTED=1)
 411 if test "x$GCC_ATOMIC_BUILTINS_SUPPORTED" = x1; then
 412     DEFINES="$DEFINES -DUSE_GCC_ATOMIC_BUILTINS"
 413 fi
 414 AM_CONDITIONAL([GCC_ATOMIC_BUILTINS_SUPPORTED], [test x$GCC_ATOMIC_BUILTINS_SUPPORTED = x1])
 415
 416 dnl Check if host supports 64-bit atomics
 417 dnl note that lack of support usually results in link (not compile) error
 418 AC_MSG_CHECKING(whether __sync_add_and_fetch_8 is supported)
 419 AC_LINK_IFELSE([AC_LANG_SOURCE([[
 420 #include <stdint.h>
 421 uint64_t v;
 422 int main() {
 423     return __sync_add_and_fetch(&v, (uint64_t)1);
 424 }]])], GCC_64BIT_ATOMICS_SUPPORTED=yes, GCC_64BIT_ATOMICS_SUPPORTED=no)
 425 if test "x$GCC_64BIT_ATOMICS_SUPPORTED" != xyes; then
 426     DEFINES="$DEFINES -DMISSING_64BIT_ATOMICS"
 427 fi
 428 AC_MSG_RESULT($GCC_64BIT_ATOMICS_SUPPORTED)
 429
 430 dnl Check for Endianness
 431 AC_C_BIGENDIAN(
 432    little_endian=no,
 433    little_endian=yes,
 434    little_endian=no,
 435    little_endian=no
 436 )
 437
 438 dnl Check for POWER8 Architecture
 439 PWR8_CFLAGS="-mpower8-vector"
 440 have_pwr8_intrinsics=no
 441 AC_MSG_CHECKING(whether gcc supports -mpower8-vector)
 442 save_CFLAGS=$CFLAGS
 443 CFLAGS="$PWR8_CFLAGS $CFLAGS"
 444 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
 445 #if defined(__GNUC__) && (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8))
 446 #error "Need GCC >= 4.8 for sane POWER8 support"
 447 #endif
 448 #include <altivec.h>
 449 int main () {
 450     vector unsigned char r;
 451     vector unsigned int v = vec_splat_u32 (1);
 452     r = __builtin_vec_vgbbd ((vector unsigned char) v);
 453     return 0;
 454 }]])], have_pwr8_intrinsics=yes)
 455 CFLAGS=$save_CFLAGS
 456
 457 AC_ARG_ENABLE(pwr8,
 458    [AS_HELP_STRING([--disable-pwr8],
 459                    [disable POWER8-specific instructions])],
 460    [enable_pwr8=$enableval], [enable_pwr8=auto])
 461
 462 if test "x$enable_pwr8" = xno ; then
 463    have_pwr8_intrinsics=disabled
 464 fi
 465
 466 if test $have_pwr8_intrinsics = yes && test $little_endian = yes ; then
 467    DEFINES="$DEFINES -D_ARCH_PWR8"
 468    CXXFLAGS="$CXXFLAGS $PWR8_CFLAGS"
 469    CFLAGS="$CFLAGS $PWR8_CFLAGS"
 470 else
 471    PWR8_CFLAGS=
 472 fi
 473
 474 AC_MSG_RESULT($have_pwr8_intrinsics)
 475 if test "x$enable_pwr8" = xyes && test $have_pwr8_intrinsics = no ; then
 476    AC_MSG_ERROR([POWER8 compiler support not detected])
 477 fi
 478
 479 if test $have_pwr8_intrinsics = yes && test $little_endian = no ; then
 480    AC_MSG_WARN([POWER8 optimization is enabled only on POWER8 Little-Endian])
 481 fi
 482
 483 AC_SUBST([PWR8_CFLAGS], $PWR8_CFLAGS)
 484
 485 dnl Can't have static and shared libraries, default to static if user
 486 dnl explicitly requested. If both disabled, set to static since shared
 487 dnl was explicitly requested.
 488 case "x$enable_static$enable_shared" in
 489 xyesyes)
 490     AC_MSG_ERROR([Cannot enable both static and shared. Building using --enable-shared is strongly recommended])
 491     ;;
 492 xnono)
 493     AC_MSG_ERROR([Cannot disable both static and shared. Building using --enable-shared is strongly recommended])
 494     ;;
 495 esac
 496
 497 AM_CONDITIONAL(BUILD_SHARED, test "x$enable_shared" = xyes)
 498
 499 dnl
 500 dnl other compiler options
 501 dnl
 502 AC_ARG_ENABLE([debug],
 503     [AS_HELP_STRING([--enable-debug],
 504         [use debug compiler flags and macros @<:@default=disabled@:>@])],
 505     [enable_debug="$enableval"],
 506     [enable_debug=no]
 507 )
 508
 509 AC_ARG_ENABLE([profile],
 510     [AS_HELP_STRING([--enable-profile],
 511         [enable profiling of code @<:@default=disabled@:>@])],
 512     [enable_profile="$enableval"],
 513     [enable_profile=no]
 514 )
 515
 516 AC_ARG_ENABLE([sanitize],
 517     [AS_HELP_STRING([--enable-sanitize@<:@=address|undefined@:>@],
 518         [enable code sanitizer @<:@default=disabled@:>@])],
 519     [enable_sanitize="$enableval"],
 520     [enable_sanitize=no])
 521
 522 if test "x$enable_profile" = xyes; then
 523     DEFINES="$DEFINES -DPROFILE"
 524     if test "x$GCC" = xyes; then
 525         CFLAGS="$CFLAGS -fno-omit-frame-pointer"
 526     fi
 527     if test "x$GXX" = xyes; then
 528         CXXFLAGS="$CXXFLAGS -fno-omit-frame-pointer"
 529     fi
 530 fi
 531
 532 if test "x$enable_debug" = xyes; then
 533     DEFINES="$DEFINES -DDEBUG"
 534     if test "x$enable_profile" = xyes; then
 535         AC_MSG_WARN([Debug and Profile are enabled at the same time])
 536     fi
 537     if test "x$GCC" = xyes; then
 538         if ! echo "$CFLAGS" | grep -q -e '-g'; then
 539             CFLAGS="$CFLAGS -g"
 540         fi
 541         if ! echo "$CFLAGS" | grep -q -e '-O'; then
 542             CFLAGS="$CFLAGS -O0"
 543         fi
 544     fi
 545     if test "x$GXX" = xyes; then
 546         if ! echo "$CXXFLAGS" | grep -q -e '-g'; then
 547             CXXFLAGS="$CXXFLAGS -g"
 548         fi
 549         if ! echo "$CXXFLAGS" | grep -q -e '-O'; then
 550             CXXFLAGS="$CXXFLAGS -O0"
 551         fi
 552     fi
 553 else
 554    DEFINES="$DEFINES -DNDEBUG"
 555 fi
 556
 557 if test "x$enable_sanitize" != xno; then
 558     if test "x$enable_profile" = xyes; then
 559         AC_MSG_WARN([Sanitize and Profile are enabled at the same time])
 560     fi
 561
 562     CFLAGS="$CFLAGS -fsanitize=$enable_sanitize"
 563     CXXFLAGS="$CXXFLAGS -fsanitize=$enable_sanitize"
 564     LDFLAGS="$LDFLAGS -fsanitize=$enable_sanitize"
 565
 566     AC_LINK_IFELSE(
 567         [AC_LANG_SOURCE([int main(){return 0;}])],
 568         [],
 569         [AC_MSG_FAILURE([sanitize flags '$enable_sanitize' not supported])])
 570 fi
 571
 572 dnl
 573 dnl Check if linker supports -Bsymbolic
 574 dnl
 575 save_LDFLAGS=$LDFLAGS
 576 LDFLAGS="$LDFLAGS -Wl,-Bsymbolic"
 577 AC_MSG_CHECKING([if ld supports -Bsymbolic])
 578 AC_LINK_IFELSE(
 579     [AC_LANG_SOURCE([int main() { return 0;}])],
 580     [AC_MSG_RESULT([yes])
 581         BSYMBOLIC="-Wl,-Bsymbolic";],
 582     [AC_MSG_RESULT([no])
 583         BSYMBOLIC="";])
 584 LDFLAGS=$save_LDFLAGS
 585
 586 AC_SUBST([BSYMBOLIC])
 587
 588 dnl
 589 dnl Check if linker supports garbage collection
 590 dnl
 591 save_LDFLAGS=$LDFLAGS
 592 LDFLAGS="$LDFLAGS -Wl,--gc-sections"
 593 AC_MSG_CHECKING([whether ld supports --gc-sections])
 594 AC_LINK_IFELSE(
 595     [AC_LANG_SOURCE([static char UnusedFunc() { return 5; } int main() { return 0;}])],
 596     [AC_MSG_RESULT([yes])
 597         GC_SECTIONS="-Wl,--gc-sections";],
 598     [AC_MSG_RESULT([no])
 599         GC_SECTIONS="";])
 600 LDFLAGS=$save_LDFLAGS
 601
 602 AC_SUBST([GC_SECTIONS])
 603
 604 dnl
 605 dnl OpenBSD does not have DT_NEEDED entries for libc by design
 606 dnl so when these flags are passed to ld via libtool the checks will fail
 607 dnl
 608 case "$host_os" in
 609 openbsd* | darwin* )
 610     LD_NO_UNDEFINED="" ;;
 611 *)
 612     if test "x$enable_sanitize" = xno; then
 613         LD_NO_UNDEFINED="-Wl,--no-undefined"
 614     else
 615         LD_NO_UNDEFINED=""
 616     fi
 617     ;;
 618 esac
 619
 620 AC_SUBST([LD_NO_UNDEFINED])
 621
 622 dnl
 623 dnl Check if linker supports version scripts
 624 dnl
 625 AC_MSG_CHECKING([if the linker supports version-scripts])
 626 save_LDFLAGS=$LDFLAGS
 627 LDFLAGS="$LDFLAGS -Wl,--version-script=conftest.map"
 628 cat > conftest.map <<EOF
 629 VERSION_1 {
 630      global:
 631          main;
 632
 633      local:
 634          *;
 635 };
 636 EOF
 637 AC_LINK_IFELSE(
 638     [AC_LANG_SOURCE([int main() { return 0;}])],
 639     [have_ld_version_script=yes;AC_MSG_RESULT(yes)],
 640     [have_ld_version_script=no; AC_MSG_RESULT(no)])
 641 LDFLAGS=$save_LDFLAGS
 642 AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$have_ld_version_script" = "yes")
 643
 644 dnl
 645 dnl Check if linker supports dynamic list files
 646 dnl
 647 AC_MSG_CHECKING([if the linker supports --dynamic-list])
 648 save_LDFLAGS=$LDFLAGS
 649 LDFLAGS="$LDFLAGS -Wl,--dynamic-list=conftest.dyn"
 650 cat > conftest.dyn <<EOF
 651 {
 652         radeon_drm_winsys_create;
 653 };
 654 EOF
 655 AC_LINK_IFELSE(
 656     [AC_LANG_SOURCE([int main() { return 0;}])],
 657     [have_ld_dynamic_list=yes;AC_MSG_RESULT(yes)],
 658     [have_ld_dynamic_list=no; AC_MSG_RESULT(no)])
 659 LDFLAGS=$save_LDFLAGS
 660 AM_CONDITIONAL(HAVE_LD_DYNAMIC_LIST, test "$have_ld_dynamic_list" = "yes")
 661
 662 dnl
 663 dnl compatibility symlinks
 664 dnl
 665 case "$host_os" in
 666 linux* )
 667     HAVE_COMPAT_SYMLINKS=yes ;;
 668 * )
 669     HAVE_COMPAT_SYMLINKS=no ;;
 670 esac
 671
 672 AM_CONDITIONAL(HAVE_COMPAT_SYMLINKS, test "x$HAVE_COMPAT_SYMLINKS" = xyes)
 673
 674 dnl
 675 dnl library names
 676 dnl
 677 dnl Unfortunately we need to do a few things that libtool can't help us with,
 678 dnl so we need some knowledge of shared library filenames:
 679 dnl
 680 dnl LIB_EXT is the extension used when creating symlinks for alternate
 681 dnl filenames for a shared library which will be dynamically loaded
 682 dnl
 683 dnl IMP_LIB_EXT is the extension used when checking for the presence of a
 684 dnl the file for a shared library we wish to link with
 685 dnl
 686 case "$host_os" in
 687 darwin* )
 688     LIB_EXT='dylib'
 689     IMP_LIB_EXT=$LIB_EXT
 690     ;;
 691 cygwin* )
 692     LIB_EXT='dll'
 693     IMP_LIB_EXT='dll.a'
 694     ;;
 695 aix* )
 696     LIB_EXT='a'
 697     IMP_LIB_EXT=$LIB_EXT
 698     ;;
 699 * )
 700     LIB_EXT='so'
 701     IMP_LIB_EXT=$LIB_EXT
 702     ;;
 703 esac
 704
 705 AC_SUBST([LIB_EXT])
 706
 707 dnl
 708 dnl potentially-infringing-but-nobody-knows-for-sure stuff
 709 dnl
 710 AC_ARG_ENABLE([texture-float],
 711     [AS_HELP_STRING([--enable-texture-float],
 712         [enable floating-point textures and renderbuffers @<:@default=disabled@:>@])],
 713     [enable_texture_float="$enableval"],
 714     [enable_texture_float=no]
 715 )
 716 if test "x$enable_texture_float" = xyes; then
 717     AC_MSG_WARN([Floating-point textures enabled.])
 718     AC_MSG_WARN([Please consult docs/patents.txt with your lawyer before building Mesa.])
 719     DEFINES="$DEFINES -DTEXTURE_FLOAT_ENABLED"
 720 fi
 721
 722 dnl
 723 dnl Arch/platform-specific settings
 724 dnl
 725 AC_ARG_ENABLE([asm],
 726     [AS_HELP_STRING([--disable-asm],
 727         [disable assembly usage @<:@default=enabled on supported platforms@:>@])],
 728     [enable_asm="$enableval"],
 729     [enable_asm=yes]
 730 )
 731 asm_arch=""
 732 AC_MSG_CHECKING([whether to enable assembly])
 733 test "x$enable_asm" = xno && AC_MSG_RESULT([no])
 734 # disable if cross compiling on x86/x86_64 since we must run gen_matypes
 735 if test "x$enable_asm" = xyes -a "x$cross_compiling" = xyes; then
 736     case "$host_cpu" in
 737     i?86 | x86_64 | amd64)
 738         if test "x$host_cpu" != "x$target_cpu"; then
 739             enable_asm=no
 740             AC_MSG_RESULT([no, cross compiling])
 741         fi
 742         ;;
 743     esac
 744 fi
 745 # check for supported arches
 746 if test "x$enable_asm" = xyes; then
 747     case "$host_cpu" in
 748     i?86)
 749         case "$host_os" in
 750         linux* | *freebsd* | dragonfly* | *netbsd* | openbsd* | gnu*)
 751             asm_arch=x86
 752             ;;
 753         esac
 754         ;;
 755     x86_64|amd64)
 756         case "$host_os" in
 757         linux* | *freebsd* | dragonfly* | *netbsd* | openbsd*)
 758             asm_arch=x86_64
 759             ;;
 760         esac
 761         ;;
 762     sparc*)
 763         case "$host_os" in
 764         linux*)
 765             asm_arch=sparc
 766             ;;
 767         esac
 768         ;;
 769     esac
 770
 771     case "$asm_arch" in
 772     x86)
 773         DEFINES="$DEFINES -DUSE_X86_ASM -DUSE_MMX_ASM -DUSE_3DNOW_ASM -DUSE_SSE_ASM"
 774         AC_MSG_RESULT([yes, x86])
 775         ;;
 776     x86_64|amd64)
 777         DEFINES="$DEFINES -DUSE_X86_64_ASM"
 778         AC_MSG_RESULT([yes, x86_64])
 779         ;;
 780     sparc)
 781         DEFINES="$DEFINES -DUSE_SPARC_ASM"
 782         AC_MSG_RESULT([yes, sparc])
 783         ;;
 784     *)
 785         AC_MSG_RESULT([no, platform not supported])
 786         ;;
 787     esac
 788 fi
 789
 790 AC_HEADER_MAJOR
 791 AC_CHECK_HEADER([xlocale.h], [DEFINES="$DEFINES -DHAVE_XLOCALE_H"])
 792 AC_CHECK_HEADER([sys/sysctl.h], [DEFINES="$DEFINES -DHAVE_SYS_SYSCTL_H"])
 793 AC_CHECK_FUNC([strtof], [DEFINES="$DEFINES -DHAVE_STRTOF"])
 794 AC_CHECK_FUNC([mkostemp], [DEFINES="$DEFINES -DHAVE_MKOSTEMP"])
 795
 796 dnl Check to see if dlopen is in default libraries (like Solaris, which
 797 dnl has it in libc), or if libdl is needed to get it.
 798 AC_CHECK_FUNC([dlopen], [DEFINES="$DEFINES -DHAVE_DLOPEN"],
 799     [AC_CHECK_LIB([dl], [dlopen],
 800        [DEFINES="$DEFINES -DHAVE_DLOPEN"; DLOPEN_LIBS="-ldl"])])
 801 AC_SUBST([DLOPEN_LIBS])
 802
 803 dnl Check if that library also has dladdr
 804 save_LIBS="$LIBS"
 805 LIBS="$LIBS $DLOPEN_LIBS"
 806 AC_CHECK_FUNCS([dladdr])
 807 LIBS="$save_LIBS"
 808
 809 AC_CHECK_FUNC([dl_iterate_phdr], [DEFINES="$DEFINES -DHAVE_DL_ITERATE_PHDR"])
 810
 811 case "$host_os" in
 812 darwin*)
 813     ;;
 814 *)
 815     AC_CHECK_FUNCS([clock_gettime], [CLOCK_LIB=],
 816                    [AC_CHECK_LIB([rt], [clock_gettime], [CLOCK_LIB=-lrt],
 817                                  [AC_MSG_ERROR([Could not find clock_gettime])])])
 818     AC_SUBST([CLOCK_LIB])
 819     ;;
 820 esac
 821
 822 dnl See if posix_memalign is available
 823 AC_CHECK_FUNC([posix_memalign], [DEFINES="$DEFINES -DHAVE_POSIX_MEMALIGN"])
 824
 825 dnl Check for zlib
 826 PKG_CHECK_MODULES([ZLIB], [zlib >= $ZLIB_REQUIRED])
 827
 828 dnl Check for pthreads
 829 AX_PTHREAD
 830 if test "x$ax_pthread_ok" = xno; then
 831     AC_MSG_ERROR([Building mesa on this platform requires pthreads])
 832 fi
 833 dnl AX_PTHREADS leaves PTHREAD_LIBS empty for gcc and sets PTHREAD_CFLAGS
 834 dnl to -pthread, which causes problems if we need -lpthread to appear in
 835 dnl pkgconfig files.  Since Android doesn't have a pthread lib, this check
 836 dnl is not valid for that platform.
 837 if test "x$android" = xno; then
 838     test -z "$PTHREAD_LIBS" && PTHREAD_LIBS="-lpthread"
 839 fi
 840
 841 dnl pthread-stubs is mandatory on BSD platforms, due to the nature of the
 842 dnl project. Even then there's a notable issue as described in the project README
 843 case "$host_os" in
 844 linux* | cygwin* | darwin* | solaris* | *-gnu* | gnu*)
 845     pthread_stubs_possible="no"
 846     ;;
 847 * )
 848     pthread_stubs_possible="yes"
 849     ;;
 850 esac
 851
 852 if test "x$pthread_stubs_possible" = xyes; then
 853     PKG_CHECK_MODULES(PTHREADSTUBS, pthread-stubs >= 0.4)
 854     AC_SUBST(PTHREADSTUBS_CFLAGS)
 855     AC_SUBST(PTHREADSTUBS_LIBS)
 856 fi
 857
 858 dnl SELinux awareness.
 859 AC_ARG_ENABLE([selinux],
 860     [AS_HELP_STRING([--enable-selinux],
 861         [Build SELinux-aware Mesa @<:@default=disabled@:>@])],
 862     [MESA_SELINUX="$enableval"],
 863     [MESA_SELINUX=no])
 864 if test "x$enable_selinux" = "xyes"; then
 865     PKG_CHECK_MODULES([SELINUX], [libselinux], [],
 866         [AC_CHECK_HEADER([selinux/selinux.h],[],
 867                          [AC_MSG_ERROR([SELinux headers not found])])
 868          AC_CHECK_LIB([selinux],[is_selinux_enabled],[],
 869                       [AC_MSG_ERROR([SELinux library not found])])
 870          SELINUX_LIBS="-lselinux"])
 871     DEFINES="$DEFINES -DMESA_SELINUX"
 872 fi
 873 AC_SUBST([SELINUX_CFLAGS])
 874 AC_SUBST([SELINUX_LIBS])
 875
 876 dnl
 877 dnl LLVM
 878 dnl
 879 AC_ARG_ENABLE([llvm-shared-libs],
 880     [AS_HELP_STRING([--enable-llvm-shared-libs],
 881         [link with LLVM shared libraries @<:@default=enabled@:>@])],
 882     [enable_llvm_shared_libs="$enableval"],
 883     [enable_llvm_shared_libs=yes])
 884
 885 AC_ARG_WITH([llvm-prefix],
 886     [AS_HELP_STRING([--with-llvm-prefix],
 887         [Prefix for LLVM installations in non-standard locations])],
 888     [llvm_prefix="$withval"],
 889     [llvm_prefix=''])
 890
 891 PKG_CHECK_MODULES([LIBELF], [libelf], [have_libelf=yes], [have_libelf=no])
 892 if test "x$have_libelf" = xno; then
 893    LIBELF_LIBS=''
 894    LIBELF_CFLAGS=''
 895    AC_CHECK_LIB([elf], [elf_memory], [have_libelf=yes;LIBELF_LIBS=-lelf], [have_libelf=no])
 896    AC_SUBST([LIBELF_LIBS])
 897    AC_SUBST([LIBELF_CFLAGS])
 898 fi
 899
 900 if test -z "$LLVM_CONFIG"; then
 901     if test -n "$llvm_prefix"; then
 902         AC_PATH_TOOL([LLVM_CONFIG], [llvm-config], [no], ["$llvm_prefix/bin"])
 903     else
 904         AC_PATH_TOOL([LLVM_CONFIG], [llvm-config], [no])
 905     fi
 906 fi
 907
 908 llvm_add_component() {
 909     new_llvm_component=$1
 910     driver_name=$2
 911
 912     if $LLVM_CONFIG --components | grep -iqw $new_llvm_component ; then
 913         LLVM_COMPONENTS="${LLVM_COMPONENTS} ${new_llvm_component}"
 914     else
 915         AC_MSG_ERROR([LLVM component '$new_llvm_component' not enabled in your LLVM build. Required by $driver_name.])
 916     fi
 917 }
 918
 919 llvm_add_default_components() {
 920     driver_name=$1
 921
 922     # Required default components
 923     llvm_add_component "bitwriter" $driver_name
 924     llvm_add_component "engine" $driver_name
 925     llvm_add_component "mcdisassembler" $driver_name
 926     llvm_add_component "mcjit" $driver_name
 927
 928     # Optional default components
 929     if $LLVM_CONFIG --components | grep -iqw inteljitevents ; then
 930         LLVM_COMPONENTS="$LLVM_COMPONENTS inteljitevents"
 931     fi
 932 }
 933
 934 llvm_add_target() {
 935     new_llvm_target=$1
 936     driver_name=$2
 937
 938     if $LLVM_CONFIG --targets-built | grep -iqw $new_llvm_target ; then
 939         llvm_add_component $new_llvm_target $driver_name
 940     else
 941         AC_MSG_ERROR([LLVM target '$new_llvm_target' not enabled in your LLVM build. Required by $driver_name.])
 942     fi
 943 }
 944
 945 # Call this inside ` ` to get the return value.
 946 # $1 is the llvm-config command with arguments.
 947 strip_unwanted_llvm_flags() {
 948     echo " `$1` " | sed -E \
 949         -e 's/[[[:space:]]]+-m[[^[:space:]]]*//g' \
 950         -e 's/[[[:space:]]]+-DNDEBUG[[[:space:]]]/ /g' \
 951         -e 's/[[[:space:]]]+-D_GNU_SOURCE[[[:space:]]]/ /g' \
 952         -e 's/[[[:space:]]]+-pedantic[[[:space:]]]/ /g' \
 953         -e 's/[[[:space:]]]+-W[[^[:space:]]]*//g' \
 954         -e 's/[[[:space:]]]+-O[[^[:space:]]]*//g' \
 955         -e 's/[[[:space:]]]+-g[[^[:space:]]]*//g' \
 956         -e 's/-fno-rtti[[[:space:]]]/-Fno-rtti /g' \
 957         -e 's/[[[:space:]]]+-f[[^[:space:]]]*//g' \
 958         -e 's/-Fno-rtti[[[:space:]]]/-fno-rtti /g' \
 959         -e 's/^[[[:space:]]]//' \
 960         -e 's/[[[:space:]]]$//'
 961 }
 962
 963 llvm_set_environment_variables() {
 964     if test "x$LLVM_CONFIG" != xno; then
 965         LLVM_VERSION=`$LLVM_CONFIG --version | egrep -o '^[[0-9.]]+'`
 966         LLVM_CPPFLAGS=`strip_unwanted_llvm_flags "$LLVM_CONFIG --cppflags"`
 967         LLVM_INCLUDEDIR=`$LLVM_CONFIG --includedir`
 968         LLVM_LIBDIR=`$LLVM_CONFIG --libdir`
 969
 970         # We need to respect LLVM_CPPFLAGS when compiling LLVM headers.
 971         save_CFLAGS="$CFLAGS"
 972         CFLAGS="$CFLAGS $LLVM_CPPFLAGS"
 973
 974         AC_COMPUTE_INT([LLVM_VERSION_MAJOR], [LLVM_VERSION_MAJOR],
 975             [#include "${LLVM_INCLUDEDIR}/llvm/Config/llvm-config.h"])
 976         AC_COMPUTE_INT([LLVM_VERSION_MINOR], [LLVM_VERSION_MINOR],
 977             [#include "${LLVM_INCLUDEDIR}/llvm/Config/llvm-config.h"])
 978         AC_COMPUTE_INT([LLVM_VERSION_PATCH], [LLVM_VERSION_PATCH],
 979             [#include "${LLVM_INCLUDEDIR}/llvm/Config/llvm-config.h"])
 980
 981         CFLAGS="$save_CFLAGS"
 982
 983         # Only needed for LLVM < 3.6.0
 984         if test -z "$LLVM_VERSION_PATCH"; then
 985             LLVM_VERSION_PATCH=0
 986         fi
 987
 988         LLVM_VERSION_INT="${LLVM_VERSION_MAJOR}0${LLVM_VERSION_MINOR}"
 989
 990         FOUND_LLVM=yes
 991     else
 992         FOUND_LLVM=no
 993         LLVM_VERSION_INT=0
 994     fi
 995 }
 996
 997 require_llvm() {
 998     if test "x$enable_llvm" != "xyes"; then
 999         AC_MSG_ERROR([--enable-llvm is required when building $1])
1000     fi
1001 }
1002
1003 llvm_require_version() {
1004     require_llvm $2
1005
1006     llvm_target_version_major=`echo $1 | cut -d. -f1 | egrep -o '^[[0-9]]+'`
1007     llvm_target_version_minor=`echo $1 | cut -d. -f2 | egrep -o '^[[0-9]]+'`
1008     llvm_target_version_patch=`echo $1 | cut -d. -f3 | egrep -o '^[[0-9]]+'`
1009
1010     if test "$LLVM_VERSION_MAJOR" -gt "$llvm_target_version_major"; then
1011         # major > required major
1012         #  --> OK
1013         return
1014     fi
1015
1016     if test "$LLVM_VERSION_MAJOR" -eq "$llvm_target_version_major"; then
1017         if test "$LLVM_VERSION_MINOR" -gt "$llvm_target_version_minor"; then
1018             # major = required major and
1019             # minor > required minor
1020             #  --> OK
1021             return
1022         else
1023             if test "$LLVM_VERSION_MINOR" -eq "$llvm_target_version_minor"; then
1024                 if test "$LLVM_VERSION_PATCH" -ge "$llvm_target_version_patch"; then
1025                     # major = required major and
1026                     # minor = required minor and
1027                     # patch >= required patch
1028                     #  --> OK
1029                     return
1030                 fi
1031             fi
1032         fi
1033     fi
1034
1035     AC_MSG_ERROR([LLVM $1 or newer is required for $2])
1036 }
1037
1038 radeon_llvm_check() {
1039     if test ${LLVM_VERSION_INT} -lt 307; then
1040         amdgpu_llvm_target_name='r600'
1041     else
1042         amdgpu_llvm_target_name='amdgpu'
1043     fi
1044
1045     llvm_require_version $*
1046
1047     llvm_add_target $amdgpu_llvm_target_name $2
1048
1049     llvm_add_default_components $2
1050     llvm_add_component "bitreader" $2
1051     llvm_add_component "ipo" $2
1052
1053     if test "x$have_libelf" != xyes; then
1054        AC_MSG_ERROR([$2 requires libelf when using llvm])
1055     fi
1056 }
1057
1058 llvm_set_environment_variables
1059
1060 AC_SUBST([LLVM_CFLAGS])
1061 AC_SUBST([LLVM_CXXFLAGS])
1062 AC_SUBST([LLVM_LIBS])
1063 AC_SUBST([LLVM_LDFLAGS])
1064 AC_SUBST([LLVM_INCLUDEDIR])
1065
1066 dnl
1067 dnl libunwind
1068 dnl
1069 AC_ARG_ENABLE([libunwind],
1070     [AS_HELP_STRING([--enable-libunwind],
1071             [Use libunwind for backtracing (default: auto)])],
1072         [LIBUNWIND="$enableval"],
1073         [LIBUNWIND="auto"])
1074
1075 PKG_CHECK_EXISTS(libunwind, [HAVE_LIBUNWIND=yes], [HAVE_LIBUNWIND=no])
1076 if test "x$LIBUNWIND" = "xauto"; then
1077     LIBUNWIND="$HAVE_LIBUNWIND"
1078 fi
1079
1080 if test "x$LIBUNWIND" = "xyes"; then
1081     PKG_CHECK_MODULES(LIBUNWIND, libunwind)
1082     AC_DEFINE(HAVE_LIBUNWIND, 1, [Have libunwind support])
1083 fi
1084
1085
1086 dnl Options for APIs
1087 AC_ARG_ENABLE([opengl],
1088     [AS_HELP_STRING([--disable-opengl],
1089         [disable support for standard OpenGL API @<:@default=enabled@:>@])],
1090     [enable_opengl="$enableval"],
1091     [enable_opengl=yes])
1092 AC_ARG_ENABLE([gles1],
1093     [AS_HELP_STRING([--disable-gles1],
1094         [disable support for OpenGL ES 1.x API @<:@default=enabled@:>@])],
1095     [enable_gles1="$enableval"],
1096     [enable_gles1=yes])
1097 AC_ARG_ENABLE([gles2],
1098     [AS_HELP_STRING([--disable-gles2],
1099         [disable support for OpenGL ES 2.x API @<:@default=enabled@:>@])],
1100     [enable_gles2="$enableval"],
1101     [enable_gles2=yes])
1102
1103 AC_ARG_ENABLE([dri],
1104     [AS_HELP_STRING([--enable-dri],
1105         [enable DRI modules @<:@default=enabled@:>@])],
1106     [enable_dri="$enableval"],
1107     [enable_dri=yes])
1108
1109 AC_ARG_ENABLE([gallium-extra-hud],
1110     [AS_HELP_STRING([--enable-gallium-extra-hud],
1111         [enable HUD block/NIC I/O HUD stats support @<:@default=disabled@:>@])],
1112     [enable_gallium_extra_hud="$enableval"],
1113     [enable_gallium_extra_hud=no])
1114 AM_CONDITIONAL(HAVE_GALLIUM_EXTRA_HUD, test "x$enable_gallium_extra_hud" = xyes)
1115 if test "x$enable_gallium_extra_hud" = xyes ; then
1116     DEFINES="${DEFINES} -DHAVE_GALLIUM_EXTRA_HUD=1"
1117 fi
1118
1119 #TODO: no pkgconfig .pc available for libsensors.
1120 #PKG_CHECK_MODULES([LIBSENSORS], [libsensors >= $LIBSENSORS_REQUIRED], [enable_lmsensors=yes], [enable_lmsensors=no])
1121 AC_ARG_ENABLE([lmsensors],
1122     [AS_HELP_STRING([--enable-lmsensors],
1123         [enable HUD lmsensor support @<:@default=disabled@:>@])],
1124     [enable_lmsensors="$enableval"],
1125     [enable_lmsensors=no])
1126 AM_CONDITIONAL(HAVE_LIBSENSORS, test "x$enable_lmsensors" = xyes)
1127 if test "x$enable_lmsensors" = xyes ; then
1128     DEFINES="${DEFINES} -DHAVE_LIBSENSORS=1"
1129     LIBSENSORS_LIBS="-lsensors"
1130 else
1131     LIBSENSORS_LIBS=""
1132 fi
1133 AC_SUBST(LIBSENSORS_LIBS)
1134
1135 case "$host_os" in
1136 linux*)
1137     dri3_default=yes
1138     ;;
1139 *)
1140     dri3_default=no
1141     ;;
1142 esac
1143
1144 if test "x$enable_dri" = xno; then
1145     dri3_default=no
1146 fi
1147
1148 AC_ARG_ENABLE([dri3],
1149     [AS_HELP_STRING([--enable-dri3],
1150         [enable DRI3 @<:@default=auto@:>@])],
1151     [enable_dri3="$enableval"],
1152     [enable_dri3="$dri3_default"])
1153 AC_ARG_ENABLE([glx],
1154     [AS_HELP_STRING([--enable-glx@<:@=dri|xlib|gallium-xlib@:>@],
1155         [enable the GLX library and choose an implementation @<:@default=auto@:>@])],
1156     [enable_glx="$enableval"],
1157     [enable_glx=yes])
1158 AC_ARG_ENABLE([osmesa],
1159     [AS_HELP_STRING([--enable-osmesa],
1160         [enable OSMesa library @<:@default=disabled@:>@])],
1161     [enable_osmesa="$enableval"],
1162     [enable_osmesa=no])
1163 AC_ARG_ENABLE([gallium-osmesa],
1164     [AS_HELP_STRING([--enable-gallium-osmesa],
1165         [enable Gallium implementation of the OSMesa library @<:@default=disabled@:>@])],
1166     [enable_gallium_osmesa="$enableval"],
1167     [enable_gallium_osmesa=no])
1168 AC_ARG_ENABLE([egl],
1169     [AS_HELP_STRING([--disable-egl],
1170         [disable EGL library @<:@default=enabled@:>@])],
1171     [enable_egl="$enableval"],
1172     [enable_egl=yes])
1173
1174 AC_ARG_ENABLE([xa],
1175     [AS_HELP_STRING([--enable-xa],
1176         [enable build of the XA X Acceleration API @<:@default=disabled@:>@])],
1177     [enable_xa="$enableval"],
1178     [enable_xa=no])
1179 AC_ARG_ENABLE([gbm],
1180    [AS_HELP_STRING([--enable-gbm],
1181          [enable gbm library @<:@default=yes except cygwin@:>@])],
1182    [enable_gbm="$enableval"],
1183    [case "$host_os" in
1184        cygwin*)
1185           enable_gbm=no
1186           ;;
1187        *)
1188           enable_gbm=yes
1189           ;;
1190     esac])
1191 AC_ARG_ENABLE([nine],
1192     [AS_HELP_STRING([--enable-nine],
1193         [enable build of the nine Direct3D9 API @<:@default=no@:>@])],
1194     [enable_nine="$enableval"],
1195     [enable_nine=no])
1196
1197 AC_ARG_ENABLE([xvmc],
1198    [AS_HELP_STRING([--enable-xvmc],
1199          [enable xvmc library @<:@default=auto@:>@])],
1200    [enable_xvmc="$enableval"],
1201    [enable_xvmc=auto])
1202 AC_ARG_ENABLE([vdpau],
1203    [AS_HELP_STRING([--enable-vdpau],
1204          [enable vdpau library @<:@default=auto@:>@])],
1205    [enable_vdpau="$enableval"],
1206    [enable_vdpau=auto])
1207 AC_ARG_ENABLE([omx],
1208    [AS_HELP_STRING([--enable-omx],
1209          [enable OpenMAX library @<:@default=disabled@:>@])],
1210    [enable_omx="$enableval"],
1211    [enable_omx=no])
1212 AC_ARG_ENABLE([va],
1213    [AS_HELP_STRING([--enable-va],
1214          [enable va library @<:@default=auto@:>@])],
1215    [enable_va="$enableval"],
1216    [enable_va=auto])
1217 AC_ARG_ENABLE([opencl],
1218    [AS_HELP_STRING([--enable-opencl],
1219          [enable OpenCL library @<:@default=disabled@:>@])],
1220    [enable_opencl="$enableval"],
1221    [enable_opencl=no])
1222 AC_ARG_ENABLE([opencl_icd],
1223    [AS_HELP_STRING([--enable-opencl-icd],
1224           [Build an OpenCL ICD library to be loaded by an ICD implementation
1225            @<:@default=disabled@:>@])],
1226     [enable_opencl_icd="$enableval"],
1227     [enable_opencl_icd=no])
1228
1229 AC_ARG_ENABLE([gallium-tests],
1230     [AS_HELP_STRING([--enable-gallium-tests],
1231         [Enable optional Gallium tests) @<:@default=disabled@:>@])],
1232     [enable_gallium_tests="$enableval"],
1233     [enable_gallium_tests=no])
1234
1235 # Option for Gallium drivers
1236
1237 # Keep this in sync with the --with-gallium-drivers help string default value
1238 GALLIUM_DRIVERS_DEFAULT="r300,r600,svga,swrast"
1239
1240 AC_ARG_WITH([gallium-drivers],
1241     [AS_HELP_STRING([--with-gallium-drivers@<:@=DIRS...@:>@],
1242         [comma delimited Gallium drivers list, e.g.
1243         "i915,nouveau,r300,r600,radeonsi,freedreno,svga,swrast,swr,vc4,virgl,etnaviv,imx"
1244         @<:@default=r300,r600,svga,swrast@:>@])],
1245     [with_gallium_drivers="$withval"],
1246     [with_gallium_drivers="$GALLIUM_DRIVERS_DEFAULT"])
1247
1248 # Doing '--without-gallium-drivers' will set this variable to 'no'.  Clear it
1249 # here so that the script doesn't choke on an unknown driver name later.
1250 case "$with_gallium_drivers" in
1251     yes) with_gallium_drivers="$GALLIUM_DRIVERS_DEFAULT" ;;
1252     no) with_gallium_drivers='' ;;
1253 esac
1254
1255 if test "x$enable_opengl" = xno -a \
1256         "x$enable_gles1" = xno -a \
1257         "x$enable_gles2" = xno -a \
1258         "x$enable_nine" = xno -a \
1259         "x$enable_xa" = xno -a \
1260         "x$enable_xvmc" = xno -a \
1261         "x$enable_vdpau" = xno -a \
1262         "x$enable_omx" = xno -a \
1263         "x$enable_va" = xno -a \
1264         "x$enable_opencl" = xno; then
1265     AC_MSG_ERROR([at least one API should be enabled])
1266 fi
1267
1268 # Building OpenGL ES1 and/or ES2 without OpenGL is not supported on mesa 9.0.x
1269 if test "x$enable_opengl" = xno -a \
1270         "x$enable_gles1" = xyes; then
1271     AC_MSG_ERROR([Building OpenGL ES1 without OpenGL is not supported])
1272 fi
1273
1274 if test "x$enable_opengl" = xno -a \
1275         "x$enable_gles2" = xyes; then
1276     AC_MSG_ERROR([Building OpenGL ES2 without OpenGL is not supported])
1277 fi
1278
1279 AM_CONDITIONAL(HAVE_OPENGL, test "x$enable_opengl" = xyes)
1280 AM_CONDITIONAL(HAVE_OPENGL_ES1, test "x$enable_gles1" = xyes)
1281 AM_CONDITIONAL(HAVE_OPENGL_ES2, test "x$enable_gles2" = xyes)
1282 AM_CONDITIONAL(NEED_OPENGL_COMMON, test "x$enable_opengl" = xyes -o \
1283                                         "x$enable_gles1" = xyes -o \
1284                                         "x$enable_gles2" = xyes)
1285
1286 # Validate GLX options
1287 if test "x$enable_glx" = xyes; then
1288     if test "x$enable_dri" = xyes; then
1289         enable_glx=dri
1290     elif test -n "$with_gallium_drivers"; then
1291         enable_glx=gallium-xlib
1292     else
1293         enable_glx=xlib
1294     fi
1295 fi
1296 case "x$enable_glx" in
1297 xdri | xxlib | xgallium-xlib)
1298     # GLX requires OpenGL
1299     if test "x$enable_opengl" = xno; then
1300         AC_MSG_ERROR([GLX cannot be built without OpenGL])
1301     fi
1302
1303     # Check individual dependencies
1304     case "x$enable_glx" in
1305     xdri)
1306         if test "x$enable_dri" = xno; then
1307             AC_MSG_ERROR([DRI-based GLX requires DRI to be enabled])
1308         fi
1309         ;;
1310     xxlib)
1311         if test "x$enable_dri" = xyes; then
1312             AC_MSG_ERROR([Xlib-based GLX cannot be built with DRI enabled])
1313         fi
1314         ;;
1315     xgallium-xlib )
1316         if test "x$enable_dri" = xyes; then
1317             AC_MSG_ERROR([Xlib-based (Gallium) GLX cannot be built with DRI enabled])
1318         fi
1319         if test -z "$with_gallium_drivers"; then
1320             AC_MSG_ERROR([Xlib-based (Gallium) GLX cannot be built without Gallium enabled])
1321         fi
1322         ;;
1323     esac
1324     ;;
1325 xno)
1326     ;;
1327 *)
1328     AC_MSG_ERROR([Illegal value for --enable-glx: $enable_glx])
1329     ;;
1330 esac
1331
1332 AM_CONDITIONAL(HAVE_GLX, test "x$enable_glx" != xno)
1333 AM_CONDITIONAL(HAVE_DRI_GLX, test "x$enable_glx" = xdri)
1334 AM_CONDITIONAL(HAVE_XLIB_GLX, test "x$enable_glx" = xxlib)
1335 AM_CONDITIONAL(HAVE_GALLIUM_XLIB_GLX, test "x$enable_glx" = xgallium-xlib)
1336
1337 DEFAULT_GL_LIB_NAME=GL
1338
1339 dnl
1340 dnl Libglvnd configuration
1341 dnl
1342 AC_ARG_ENABLE([libglvnd],
1343     [AS_HELP_STRING([--enable-libglvnd],
1344         [Build GLX and EGL for libglvnd @<:@default=disabled@:>@])],
1345     [enable_libglvnd="$enableval"],
1346     [enable_libglvnd=no])
1347 AM_CONDITIONAL(USE_LIBGLVND, test "x$enable_libglvnd" = xyes)
1348
1349 if test "x$enable_libglvnd" = xyes ; then
1350     dnl XXX: update once we can handle more than libGL/glx.
1351     dnl Namely: we should error out if neither of the glvnd enabled libraries
1352     dnl are built
1353     case "x$enable_glx" in
1354     xno)
1355         AC_MSG_ERROR([cannot build libglvnd without GLX])
1356         ;;
1357     xxlib | xgallium-xlib )
1358         AC_MSG_ERROR([cannot build libgvnd when Xlib-GLX or Gallium-Xlib-GLX is enabled])
1359         ;;
1360     xdri)
1361         ;;
1362     esac
1363
1364     PKG_CHECK_MODULES([GLVND], libglvnd >= 0.2.0)
1365     LIBGLVND_DATADIR=`$PKG_CONFIG --variable=datadir libglvnd`
1366     AC_SUBST([LIBGLVND_DATADIR])
1367
1368     DEFINES="${DEFINES} -DUSE_LIBGLVND=1"
1369     DEFAULT_GL_LIB_NAME=GLX_mesa
1370 fi
1371
1372 AC_ARG_WITH([gl-lib-name],
1373   [AS_HELP_STRING([--with-gl-lib-name@<:@=NAME@:>@],
1374     [specify GL library name @<:@default=GL@:>@])],
1375   [GL_LIB=$withval],
1376   [GL_LIB="$DEFAULT_GL_LIB_NAME"])
1377 AC_ARG_WITH([osmesa-lib-name],
1378   [AS_HELP_STRING([--with-osmesa-lib-name@<:@=NAME@:>@],
1379     [specify OSMesa library name @<:@default=OSMesa@:>@])],
1380   [OSMESA_LIB=$withval],
1381   [OSMESA_LIB=OSMesa])
1382 AS_IF([test "x$GL_LIB" = xyes], [GL_LIB="$DEFAULT_GL_LIB_NAME"])
1383 AS_IF([test "x$OSMESA_LIB" = xyes], [OSMESA_LIB=OSMesa])
1384
1385 dnl
1386 dnl Mangled Mesa support
1387 dnl
1388 AC_ARG_ENABLE([mangling],
1389   [AS_HELP_STRING([--enable-mangling],
1390     [enable mangled symbols and library name @<:@default=disabled@:>@])],
1391   [enable_mangling="${enableval}"],
1392   [enable_mangling=no]
1393 )
1394 if test "x${enable_mangling}" = "xyes" ; then
1395   DEFINES="${DEFINES} -DUSE_MGL_NAMESPACE"
1396   GL_LIB="Mangled${GL_LIB}"
1397   OSMESA_LIB="Mangled${OSMESA_LIB}"
1398 fi
1399 AC_SUBST([GL_LIB])
1400 AC_SUBST([OSMESA_LIB])
1401
1402 # Check for libdrm
1403 PKG_CHECK_MODULES([LIBDRM], [libdrm >= $LIBDRM_REQUIRED],
1404                   [have_libdrm=yes], [have_libdrm=no])
1405 if test "x$have_libdrm" = xyes; then
1406         DEFINES="$DEFINES -DHAVE_LIBDRM"
1407 fi
1408
1409 require_libdrm() {
1410     if test "x$have_libdrm" != xyes; then
1411        AC_MSG_ERROR([$1 requires libdrm >= $LIBDRM_REQUIRED])
1412     fi
1413 }
1414
1415
1416 # Select which platform-dependent DRI code gets built
1417 case "$host_os" in
1418 darwin*)
1419     dri_platform='apple' ;;
1420 cygwin*)
1421     dri_platform='windows' ;;
1422 gnu*)
1423     dri_platform='none' ;;
1424 *)
1425     dri_platform='drm' ;;
1426 esac
1427
1428 if test "x$enable_dri" = xyes -a "x$dri_platform" = xdrm -a "x$have_libdrm" = xyes; then
1429     have_drisw_kms='yes'
1430 fi
1431
1432 AM_CONDITIONAL(HAVE_DRICOMMON, test "x$enable_dri" = xyes )
1433 AM_CONDITIONAL(HAVE_DRISW, test "x$enable_dri" = xyes )
1434 AM_CONDITIONAL(HAVE_DRISW_KMS, test "x$have_drisw_kms" = xyes )
1435 AM_CONDITIONAL(HAVE_DRI2, test "x$enable_dri" = xyes -a "x$dri_platform" = xdrm -a "x$have_libdrm" = xyes )
1436 AM_CONDITIONAL(HAVE_DRI3, test "x$enable_dri3" = xyes -a "x$dri_platform" = xdrm -a "x$have_libdrm" = xyes )
1437 AM_CONDITIONAL(HAVE_APPLEDRI, test "x$enable_dri" = xyes -a "x$dri_platform" = xapple )
1438 AM_CONDITIONAL(HAVE_LMSENSORS, test "x$enable_lmsensors" = xyes )
1439 AM_CONDITIONAL(HAVE_GALLIUM_EXTRA_HUD, test "x$enable_gallium_extra_hud" = xyes )
1440 AM_CONDITIONAL(HAVE_WINDOWSDRI, test "x$enable_dri" = xyes -a "x$dri_platform" = xwindows )
1441
1442 AC_ARG_ENABLE([shared-glapi],
1443     [AS_HELP_STRING([--enable-shared-glapi],
1444         [Enable shared glapi for OpenGL @<:@default=enabled@:>@])],
1445     [enable_shared_glapi="$enableval"],
1446     [enable_shared_glapi=yes])
1447
1448 case "x$enable_opengl$enable_gles1$enable_gles2" in
1449 x*yes*yes*)
1450     if test "x$enable_shared_glapi" = xno; then
1451         AC_MSG_ERROR([shared GLAPI required when building two or more of
1452                       the following APIs - opengl, gles1 gles2])
1453     fi
1454     ;;
1455 esac
1456
1457 AM_CONDITIONAL(HAVE_SHARED_GLAPI, test "x$enable_shared_glapi" = xyes)
1458
1459 # Build the pipe-drivers as separate libraries/modules.
1460 # Do not touch this unless you know what you are doing.
1461 # XXX: Expose via configure option ?
1462 enable_shared_pipe_drivers=no
1463
1464 dnl
1465 dnl Driver specific build directories
1466 dnl
1467
1468 if test "x$enable_gallium_osmesa" = xyes; then
1469     if ! echo "$with_gallium_drivers" | grep -q 'swrast'; then
1470         AC_MSG_ERROR([gallium_osmesa requires the gallium swrast driver])
1471     fi
1472     if test "x$enable_osmesa" = xyes; then
1473         AC_MSG_ERROR([Cannot enable both classic and Gallium OSMesa implementations])
1474     fi
1475 fi
1476
1477 require_dri_shared_libs_and_glapi() {
1478     if test "x$enable_static" = xyes; then
1479         AC_MSG_ERROR([$1 cannot be build as static library])
1480     fi
1481
1482     if test "x$enable_dri" != xyes; then
1483         # There is only a single backend which won't be build/used otherwise.
1484         # XXX: Revisit this as the egl/haiku is a thing.
1485         AC_MSG_ERROR([$1 requires --enable-dri])
1486     fi
1487
1488     if test "x$enable_shared_glapi" != xyes; then
1489         AC_MSG_ERROR([$1 requires --enable-shared-glapi])
1490     fi
1491 }
1492
1493 if test "x$enable_dri" = xyes; then
1494     require_dri_shared_libs_and_glapi "DRI"
1495
1496     # not a hard requirement as swrast does not depend on it
1497     if test "x$have_libdrm" = xyes; then
1498         DRI_PC_REQ_PRIV="libdrm >= $LIBDRM_REQUIRED"
1499     fi
1500 fi
1501
1502 AC_ARG_ENABLE([driglx-direct],
1503     [AS_HELP_STRING([--disable-driglx-direct],
1504         [disable direct rendering in GLX and EGL for DRI \
1505             @<:@default=auto@:>@])],
1506     [driglx_direct="$enableval"],
1507     [driglx_direct="yes"])
1508
1509 dnl
1510 dnl libGL configuration per driver
1511 dnl
1512 if test "x$enable_glx" != xno; then
1513     PKG_CHECK_MODULES([GLPROTO], [glproto >= $GLPROTO_REQUIRED])
1514 fi
1515 case "x$enable_glx" in
1516 xxlib | xgallium-xlib)
1517     # Xlib-based GLX
1518     dri_modules="x11 xext xcb"
1519     PKG_CHECK_MODULES([XLIBGL], [$dri_modules])
1520     GL_PC_REQ_PRIV="$GL_PC_REQ_PRIV $dri_modules"
1521     X11_INCLUDES="$X11_INCLUDES $XLIBGL_CFLAGS"
1522     GL_LIB_DEPS="$XLIBGL_LIBS"
1523     GL_LIB_DEPS="$GL_LIB_DEPS $SELINUX_LIBS -lm $PTHREAD_LIBS $DLOPEN_LIBS"
1524     GL_PC_LIB_PRIV="$GL_PC_LIB_PRIV $SELINUX_LIBS -lm $PTHREAD_LIBS"
1525     ;;
1526 xdri)
1527     # DRI-based GLX
1528
1529     # find the DRI deps for libGL
1530     dri_modules="x11 xext xdamage >= $XDAMAGE_REQUIRED xfixes x11-xcb xcb xcb-glx >= $XCBGLX_REQUIRED"
1531
1532     if test x"$driglx_direct" = xyes; then
1533         if test x"$dri_platform" = xdrm ; then
1534             DEFINES="$DEFINES -DGLX_USE_DRM"
1535             require_libdrm "Direct rendering"
1536
1537             PKG_CHECK_MODULES([DRI2PROTO], [dri2proto >= $DRI2PROTO_REQUIRED])
1538             GL_PC_REQ_PRIV="$GL_PC_REQ_PRIV libdrm >= $LIBDRM_REQUIRED"
1539
1540             if test x"$enable_dri" = xyes; then
1541                dri_modules="$dri_modules xcb-dri2 >= $XCBDRI2_REQUIRED"
1542             fi
1543         fi
1544         if test x"$dri_platform" = xapple ; then
1545             DEFINES="$DEFINES -DGLX_USE_APPLEGL"
1546         fi
1547         if test x"$dri_platform" = xwindows ; then
1548             DEFINES="$DEFINES -DGLX_USE_WINDOWSGL"
1549         fi
1550     fi
1551
1552     # add xf86vidmode if available
1553     PKG_CHECK_MODULES([XF86VIDMODE], [xxf86vm], HAVE_XF86VIDMODE=yes, HAVE_XF86VIDMODE=no)
1554     if test "$HAVE_XF86VIDMODE" = yes ; then
1555         dri_modules="$dri_modules xxf86vm"
1556     fi
1557
1558     PKG_CHECK_MODULES([DRIGL], [$dri_modules])
1559     GL_PC_REQ_PRIV="$GL_PC_REQ_PRIV $dri_modules"
1560     X11_INCLUDES="$X11_INCLUDES $DRIGL_CFLAGS"
1561     GL_LIB_DEPS="$DRIGL_LIBS"
1562
1563     # need DRM libs, $PTHREAD_LIBS, etc.
1564     GL_LIB_DEPS="$GL_LIB_DEPS $LIBDRM_LIBS -lm $PTHREAD_LIBS $DLOPEN_LIBS"
1565     GL_PC_LIB_PRIV="-lm $PTHREAD_LIBS $DLOPEN_LIBS"
1566     ;;
1567 esac
1568
1569 # This is outside the case (above) so that it is invoked even for non-GLX
1570 # builds.
1571 AM_CONDITIONAL(HAVE_XF86VIDMODE, test "x$HAVE_XF86VIDMODE" = xyes)
1572
1573 GLESv1_CM_LIB_DEPS="$LIBDRM_LIBS -lm $PTHREAD_LIBS $DLOPEN_LIBS"
1574 GLESv1_CM_PC_LIB_PRIV="-lm $PTHREAD_LIBS $DLOPEN_LIBS"
1575 GLESv2_LIB_DEPS="$LIBDRM_LIBS -lm $PTHREAD_LIBS $DLOPEN_LIBS"
1576 GLESv2_PC_LIB_PRIV="-lm $PTHREAD_LIBS $DLOPEN_LIBS"
1577
1578 AC_SUBST([X11_INCLUDES])
1579 AC_SUBST([GL_LIB_DEPS])
1580 AC_SUBST([GL_PC_REQ_PRIV])
1581 AC_SUBST([GL_PC_LIB_PRIV])
1582 AC_SUBST([GL_PC_CFLAGS])
1583 AC_SUBST([DRI_PC_REQ_PRIV])
1584 AC_SUBST([GLESv1_CM_LIB_DEPS])
1585 AC_SUBST([GLESv1_CM_PC_LIB_PRIV])
1586 AC_SUBST([GLESv2_LIB_DEPS])
1587 AC_SUBST([GLESv2_PC_LIB_PRIV])
1588
1589 AC_SUBST([HAVE_XF86VIDMODE])
1590
1591 dnl
1592 dnl More GLX setup
1593 dnl
1594 case "x$enable_glx" in
1595 xxlib | xgallium-xlib)
1596     DEFINES="$DEFINES -DUSE_XSHM"
1597     ;;
1598 xdri)
1599     DEFINES="$DEFINES -DGLX_INDIRECT_RENDERING"
1600     if test "x$driglx_direct" = xyes; then
1601         DEFINES="$DEFINES -DGLX_DIRECT_RENDERING"
1602     fi
1603     ;;
1604 esac
1605
1606 dnl
1607 dnl TLS detection
1608 dnl
1609
1610 AC_ARG_ENABLE([glx-tls],
1611     [AS_HELP_STRING([--enable-glx-tls],
1612         [enable TLS support in GLX @<:@default=enabled@:>@])],
1613     [GLX_USE_TLS="$enableval"],
1614     [GLX_USE_TLS=yes])
1615 AC_SUBST(GLX_TLS, ${GLX_USE_TLS})
1616
1617 if test "x$GLX_USE_TLS" = xyes; then
1618     DEFINES="$DEFINES -DGLX_USE_TLS"
1619 fi
1620
1621 dnl Read-only text section on x86 hardened platforms
1622 AC_ARG_ENABLE([glx-read-only-text],
1623     [AS_HELP_STRING([--enable-glx-read-only-text],
1624         [Disable writable .text section on x86 (decreases performance) @<:@default=disabled@:>@])],
1625     [enable_glx_read_only_text="$enableval"],
1626     [enable_glx_read_only_text=no])
1627 if test "x$enable_glx_read_only_text" = xyes; then
1628     DEFINES="$DEFINES -DGLX_X86_READONLY_TEXT"
1629 fi
1630
1631 dnl
1632 dnl DEPRECATED: EGL Platforms configuration
1633 dnl
1634 AC_ARG_WITH([egl-platforms],
1635     [AS_HELP_STRING([--with-egl-platforms@<:@=DIRS...@:>@],
1636         [DEPRECATED: use --with-platforms instead@<:@default=auto@:>@])],
1637     [with_egl_platforms="$withval"],
1638     [with_egl_platforms=auto])
1639
1640 if test "x$with_egl_platforms" = xauto; then
1641     with_egl_platforms="x11,surfaceless"
1642     if test "x$enable_gbm" = xyes; then
1643         with_egl_platforms="$with_egl_platforms,drm"
1644     fi
1645 else
1646     AC_MSG_WARN([--with-egl-platforms is deprecated. Use --with-platforms instead.])
1647 fi
1648
1649 dnl
1650 dnl Platforms configuration
1651 dnl
1652 AC_ARG_WITH([platforms],
1653     [AS_HELP_STRING([--with-platforms@<:@=DIRS...@:>@],
1654         [comma delimited native platforms libEGL/Vulkan/other supports, e.g.
1655         "x11,drm,wayland,surfaceless..." @<:@default=auto@:>@])],
1656     [with_platforms="$withval"],
1657     [with_platforms=auto])
1658
1659 # Reuse the autodetection rather than duplicating it.
1660 if test "x$with_platforms" = xauto; then
1661     with_platforms=$with_egl_platforms
1662 fi
1663
1664 PKG_CHECK_MODULES([WAYLAND_SCANNER], [wayland-scanner],
1665         WAYLAND_SCANNER=`$PKG_CONFIG --variable=wayland_scanner wayland-scanner`,
1666         WAYLAND_SCANNER='')
1667 if test "x$WAYLAND_SCANNER" = x; then
1668     AC_PATH_PROG([WAYLAND_SCANNER], [wayland-scanner], [:])
1669 fi
1670
1671 # Do per platform setups and checks
1672 platforms=`IFS=', '; echo $with_platforms`
1673 for plat in $platforms; do
1674         case "$plat" in
1675         wayland)
1676
1677                 PKG_CHECK_MODULES([WAYLAND], [wayland-client >= $WAYLAND_REQUIRED wayland-server >= $WAYLAND_REQUIRED])
1678
1679                 if test "x$WAYLAND_SCANNER" = "x:"; then
1680                         AC_MSG_ERROR([wayland-scanner is needed to compile the wayland platform])
1681                 fi
1682                 DEFINES="$DEFINES -DHAVE_WAYLAND_PLATFORM"
1683                 ;;
1684
1685         x11)
1686                 PKG_CHECK_MODULES([XCB_DRI2], [x11-xcb xcb xcb-dri2 >= $XCBDRI2_REQUIRED xcb-xfixes])
1687                 DEFINES="$DEFINES -DHAVE_X11_PLATFORM"
1688                 ;;
1689
1690         drm)
1691                 test "x$enable_gbm" = "xno" &&
1692                         AC_MSG_ERROR([EGL platform drm needs gbm])
1693                 DEFINES="$DEFINES -DHAVE_DRM_PLATFORM"
1694                 ;;
1695
1696         surfaceless)
1697                 DEFINES="$DEFINES -DHAVE_SURFACELESS_PLATFORM"
1698                 ;;
1699
1700         android)
1701                 PKG_CHECK_MODULES([ANDROID], [cutils hardware sync])
1702                 DEFINES="$DEFINES -DHAVE_ANDROID_PLATFORM"
1703                 ;;
1704
1705         *)
1706                 AC_MSG_ERROR([platform '$plat' does not exist])
1707                 ;;
1708         esac
1709
1710         case "$plat" in
1711         wayland|drm|surfaceless)
1712                 require_libdrm "Platform $plat"
1713                 ;;
1714         esac
1715 done
1716
1717 if test "x$enable_glx" != xno; then
1718     if ! echo "$platforms" | grep -q 'x11'; then
1719         AC_MSG_ERROR([Building without the x11 platform as GLX is enabled, is not supported])
1720     fi
1721 fi
1722
1723 if test x"$enable_dri3" = xyes; then
1724     DEFINES="$DEFINES -DHAVE_DRI3"
1725
1726     dri3_modules="x11-xcb xcb >= $XCB_REQUIRED xcb-dri3 xcb-present xcb-sync xshmfence >= $XSHMFENCE_REQUIRED"
1727     PKG_CHECK_MODULES([XCB_DRI3], [$dri3_modules])
1728 fi
1729
1730 AM_CONDITIONAL(HAVE_PLATFORM_X11, echo "$platforms" | grep -q 'x11')
1731 AM_CONDITIONAL(HAVE_PLATFORM_WAYLAND, echo "$platforms" | grep -q 'wayland')
1732 AM_CONDITIONAL(HAVE_PLATFORM_DRM, echo "$platforms" | grep -q 'drm')
1733 AM_CONDITIONAL(HAVE_PLATFORM_SURFACELESS, echo "$platforms" | grep -q 'surfaceless')
1734 AM_CONDITIONAL(HAVE_PLATFORM_ANDROID, echo "$platforms" | grep -q 'android')
1735
1736 dnl
1737 dnl More DRI setup
1738 dnl
1739 dnl Directory for DRI drivers
1740 AC_ARG_WITH([dri-driverdir],
1741     [AS_HELP_STRING([--with-dri-driverdir=DIR],
1742         [directory for the DRI drivers @<:@${libdir}/dri@:>@])],
1743     [DRI_DRIVER_INSTALL_DIR="$withval"],
1744     [DRI_DRIVER_INSTALL_DIR='${libdir}/dri'])
1745 AC_SUBST([DRI_DRIVER_INSTALL_DIR])
1746 dnl Extra search path for DRI drivers
1747 AC_ARG_WITH([dri-searchpath],
1748     [AS_HELP_STRING([--with-dri-searchpath=DIRS...],
1749         [semicolon delimited DRI driver search directories @<:@${libdir}/dri@:>@])],
1750     [DRI_DRIVER_SEARCH_DIR="$withval"],
1751     [DRI_DRIVER_SEARCH_DIR='${DRI_DRIVER_INSTALL_DIR}'])
1752 AC_SUBST([DRI_DRIVER_SEARCH_DIR])
1753 dnl Which drivers to build - default is chosen by platform
1754 AC_ARG_WITH([dri-drivers],
1755     [AS_HELP_STRING([--with-dri-drivers@<:@=DIRS...@:>@],
1756         [comma delimited classic DRI drivers list, e.g.
1757         "i915,i965,nouveau,radeon,r200,swrast" @<:@default=auto@:>@])],
1758     [with_dri_drivers="$withval"],
1759     [with_dri_drivers=auto])
1760
1761 if test "x$with_dri_drivers" = xauto; then
1762     if test "x$enable_opengl" = xyes -a "x$enable_dri" = xyes; then
1763         with_dri_drivers="yes"
1764     else
1765         with_dri_drivers="no"
1766     fi
1767 fi
1768 if test "x$with_dri_drivers" = xno; then
1769     with_dri_drivers=''
1770 fi
1771
1772 dnl If $with_dri_drivers is yes, drivers will be added through
1773 dnl platform checks. Set DEFINES and LIB_DEPS
1774 if test "x$enable_dri" = xyes; then
1775     # Platform specific settings and drivers to build
1776     case "$host_os" in
1777     linux*)
1778         case "$host_cpu" in
1779         powerpc* | sparc*)
1780             # Build only the drivers for cards that exist on PowerPC/sparc
1781             if test "x$with_dri_drivers" = "xyes"; then
1782                 with_dri_drivers="r200 radeon swrast"
1783             fi
1784             ;;
1785         esac
1786         ;;
1787     cygwin*)
1788         if test "x$with_dri_drivers" = "xyes"; then
1789             with_dri_drivers="swrast"
1790         fi
1791         ;;
1792     darwin*)
1793         DEFINES="$DEFINES -DBUILDING_MESA"
1794         if test "x$with_dri_drivers" = "xyes"; then
1795             with_dri_drivers="swrast"
1796         fi
1797         ;;
1798     esac
1799
1800     # default drivers
1801     if test "x$with_dri_drivers" = "xyes"; then
1802         with_dri_drivers="i915 i965 nouveau r200 radeon swrast"
1803     fi
1804
1805     # Check for expat
1806     PKG_CHECK_MODULES([EXPAT], [expat], [],
1807         # expat version 2.0 and earlier do not provide expat.pc
1808         [AC_CHECK_HEADER([expat.h],[],
1809                          [AC_MSG_ERROR([Expat headers required for DRI not found])])
1810          AC_CHECK_LIB([expat],[XML_ParserCreate],[],
1811                      [AC_MSG_ERROR([Expat library required for DRI not found])])
1812          EXPAT_LIBS="-lexpat"])
1813
1814     # put all the necessary libs together
1815     DRI_LIB_DEPS="$DRI_LIB_DEPS $SELINUX_LIBS $LIBDRM_LIBS $EXPAT_LIBS -lm $PTHREAD_LIBS $DLOPEN_LIBS"
1816 fi
1817
1818 AC_SUBST([DRI_LIB_DEPS])
1819
1820 DRI_DIRS=''
1821 dnl Duplicates in DRI_DIRS are removed by sorting it at the end of this block
1822 if test -n "$with_dri_drivers"; then
1823     if test "x$enable_opengl" != xyes; then
1824         AC_MSG_ERROR([--with-dri-drivers requires OpenGL])
1825     fi
1826
1827     dri_drivers=`IFS=', '; echo $with_dri_drivers`
1828     for driver in $dri_drivers; do
1829         DRI_DIRS="$DRI_DIRS $driver"
1830         case "x$driver" in
1831         xi915)
1832             require_libdrm "i915"
1833             HAVE_I915_DRI=yes
1834             PKG_CHECK_MODULES([INTEL], [libdrm >= $LIBDRM_INTEL_REQUIRED libdrm_intel >= $LIBDRM_INTEL_REQUIRED])
1835             ;;
1836         xi965)
1837             require_libdrm "i965"
1838             HAVE_I965_DRI=yes
1839             PKG_CHECK_MODULES([INTEL], [libdrm >= $LIBDRM_INTEL_REQUIRED libdrm_intel >= $LIBDRM_INTEL_REQUIRED])
1840             ;;
1841         xnouveau)
1842             require_libdrm "nouveau"
1843             HAVE_NOUVEAU_DRI=yes
1844             PKG_CHECK_MODULES([NVVIEUX], [libdrm >= $LIBDRM_NVVIEUX_REQUIRED libdrm_nouveau >= $LIBDRM_NVVIEUX_REQUIRED])
1845             ;;
1846         xradeon)
1847             require_libdrm "radeon"
1848             HAVE_RADEON_DRI=yes;
1849             PKG_CHECK_MODULES([RADEON], [libdrm >= $LIBDRM_RADEON_REQUIRED libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
1850             ;;
1851         xr200)
1852             require_libdrm "r200"
1853             HAVE_R200_DRI=yes
1854             PKG_CHECK_MODULES([RADEON], [libdrm >= $LIBDRM_RADEON_REQUIRED libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
1855             ;;
1856         xswrast)
1857             HAVE_SWRAST_DRI=yes
1858             ;;
1859         *)
1860             AC_MSG_ERROR([classic DRI driver '$driver' does not exist])
1861             ;;
1862         esac
1863     done
1864     DRI_DIRS=`echo $DRI_DIRS|tr " " "\n"|sort -u|tr "\n" " "`
1865 fi
1866
1867
1868 dnl
1869 dnl Gallium LLVM
1870 dnl Deprecated: kept for backwards compatibility
1871 dnl
1872 AC_ARG_ENABLE([gallium-llvm],
1873     [AS_HELP_STRING([--enable-gallium-llvm],
1874         [DEPRECATED: use --enable-llvm instead])],
1875     [enable_gallium_llvm="$enableval"],
1876     [enable_gallium_llvm=auto])
1877
1878 if test "x$enable_gallium_llvm" != xauto; then
1879    AC_MSG_WARN([The --enable-gallium-llvm option has been deprecated. Use --enable-llvm instead.])
1880    enable_llvm=$enable_gallium_llvm
1881 fi
1882
1883 dnl
1884 dnl LLVM
1885 dnl
1886 AC_ARG_ENABLE([llvm],
1887     [AS_HELP_STRING([--enable-llvm],
1888         [build with LLVM support @<:@default=enabled on x86/x86_64@:>@])],
1889     [enable_llvm="$enableval"],
1890     [enable_llvm=auto])
1891
1892 if test "x$enable_llvm" = xauto -a "x$FOUND_LLVM" = xyes; then
1893     if test "x$FOUND_LLVM" = xyes; then
1894         case "$host_cpu" in
1895         i*86|x86_64|amd64) enable_llvm=yes;;
1896         *) enable_llvm=no;;
1897         esac
1898     else
1899         enable_llvm=no
1900     fi
1901 fi
1902
1903 if test "x$enable_llvm" = xyes -a "x$FOUND_LLVM" = xno; then
1904     AC_MSG_ERROR([--enable-llvm selected but llvm-config is not found])
1905 fi
1906
1907 #
1908 # Vulkan driver configuration
1909 #
1910
1911 AC_ARG_WITH([vulkan-drivers],
1912     [AS_HELP_STRING([--with-vulkan-drivers@<:@=DIRS...@:>@],
1913         [comma delimited Vulkan drivers list, e.g.
1914         "intel,radeon"
1915         @<:@default=no@:>@])],
1916     [with_vulkan_drivers="$withval"],
1917     [with_vulkan_drivers="no"])
1918
1919 # Doing '--without-vulkan-drivers' will set this variable to 'no'.  Clear it
1920 # here so that the script doesn't choke on an unknown driver name later.
1921 case "x$with_vulkan_drivers" in
1922     xyes) with_vulkan_drivers="$VULKAN_DRIVERS_DEFAULT" ;;
1923     xno) with_vulkan_drivers='' ;;
1924 esac
1925
1926 AC_ARG_WITH([vulkan-icddir],
1927     [AS_HELP_STRING([--with-vulkan-icddir=DIR],
1928         [directory for the Vulkan driver icd files @<:@${datarootdir}/vulkan/icd.d@:>@])],
1929     [VULKAN_ICD_INSTALL_DIR="$withval"],
1930     [VULKAN_ICD_INSTALL_DIR='${datarootdir}/vulkan/icd.d'])
1931 AC_SUBST([VULKAN_ICD_INSTALL_DIR])
1932
1933 require_x11_dri3() {
1934     if echo "$platforms" | grep -q 'x11'; then
1935         if test "x$enable_dri3" != xyes; then
1936             AC_MSG_ERROR([$1 Vulkan driver requires DRI3 when built with X11])
1937         fi
1938     fi
1939 }
1940
1941 if test -n "$with_vulkan_drivers"; then
1942     if test "x$ac_cv_func_dl_iterate_phdr" = xno; then
1943         AC_MSG_ERROR([Vulkan drivers require the dl_iterate_phdr function])
1944     fi
1945
1946     VULKAN_DRIVERS=`IFS=', '; echo $with_vulkan_drivers`
1947     for driver in $VULKAN_DRIVERS; do
1948         case "x$driver" in
1949         xintel)
1950             require_libdrm "ANV"
1951             PKG_CHECK_MODULES([INTEL], [libdrm >= $LIBDRM_INTEL_REQUIRED libdrm_intel >= $LIBDRM_INTEL_REQUIRED])
1952             require_x11_dri3 "ANV"
1953             HAVE_INTEL_VULKAN=yes
1954             ;;
1955         xradeon)
1956             require_libdrm "radv"
1957             PKG_CHECK_MODULES([AMDGPU], [libdrm >= $LIBDRM_AMDGPU_REQUIRED libdrm_amdgpu >= $LIBDRM_AMDGPU_REQUIRED])
1958             radeon_llvm_check $LLVM_REQUIRED_RADV "radv"
1959             require_x11_dri3 "radv"
1960             HAVE_RADEON_VULKAN=yes
1961             ;;
1962         *)
1963             AC_MSG_ERROR([Vulkan driver '$driver' does not exist])
1964             ;;
1965         esac
1966     done
1967     VULKAN_DRIVERS=`echo $VULKAN_DRIVERS|tr " " "\n"|sort -u|tr "\n" " "`
1968 fi
1969
1970
1971 DEFINES="$DEFINES -DENABLE_SHADER_CACHE"
1972 AM_CONDITIONAL(NEED_MEGADRIVER, test -n "$DRI_DIRS")
1973 AM_CONDITIONAL(NEED_LIBMESA, test "x$enable_glx" = xxlib -o \
1974                                   "x$enable_osmesa" = xyes -o \
1975                                   -n "$DRI_DIRS")
1976
1977 dnl
1978 dnl OSMesa configuration
1979 dnl
1980
1981 dnl Configure the channel bits for OSMesa (libOSMesa, libOSMesa16, ...)
1982 AC_ARG_WITH([osmesa-bits],
1983     [AS_HELP_STRING([--with-osmesa-bits=BITS],
1984         [OSMesa channel bits and library name: 8, 16, 32 @<:@default=8@:>@])],
1985     [osmesa_bits="$withval"],
1986     [osmesa_bits=8])
1987 if test "x$osmesa_bits" != x8; then
1988     if test "x$enable_dri" = xyes -o "x$enable_glx" != xno; then
1989         AC_MSG_WARN([Ignoring OSMesa channel bits because of non-OSMesa driver])
1990         osmesa_bits=8
1991     fi
1992 fi
1993 case "x$osmesa_bits" in
1994 x8)
1995     OSMESA_LIB="${OSMESA_LIB}"
1996     ;;
1997 x16|x32)
1998     OSMESA_LIB="${OSMESA_LIB}$osmesa_bits"
1999     DEFINES="$DEFINES -DCHAN_BITS=$osmesa_bits -DDEFAULT_SOFTWARE_DEPTH_BITS=31"
2000     ;;
2001 *)
2002     AC_MSG_ERROR([OSMesa bits '$osmesa_bits' is not a valid option])
2003     ;;
2004 esac
2005
2006 if test "x$enable_osmesa" = xyes -o "x$enable_gallium_osmesa" = xyes; then
2007     # only link libraries with osmesa if shared
2008     if test "$enable_static" = no; then
2009         OSMESA_LIB_DEPS="-lm $PTHREAD_LIBS $SELINUX_LIBS $DLOPEN_LIBS"
2010     else
2011         OSMESA_LIB_DEPS=""
2012     fi
2013     OSMESA_PC_LIB_PRIV="-lm $PTHREAD_LIBS $SELINUX_LIBS $DLOPEN_LIBS"
2014 fi
2015
2016 AC_SUBST([OSMESA_LIB_DEPS])
2017 AC_SUBST([OSMESA_PC_REQ])
2018 AC_SUBST([OSMESA_PC_LIB_PRIV])
2019
2020 dnl
2021 dnl gbm configuration
2022 dnl
2023 if test "x$enable_gbm" = xyes; then
2024     require_dri_shared_libs_and_glapi "gbm"
2025 fi
2026 AM_CONDITIONAL(HAVE_GBM, test "x$enable_gbm" = xyes)
2027 # FINISHME: GBM has a number of dependencies which we should add below
2028 GBM_PC_REQ_PRIV=""
2029 GBM_PC_LIB_PRIV="$DLOPEN_LIBS"
2030 AC_SUBST([GBM_PC_REQ_PRIV])
2031 AC_SUBST([GBM_PC_LIB_PRIV])
2032
2033 dnl
2034 dnl EGL configuration
2035 dnl
2036
2037 if test "x$enable_egl" = xyes; then
2038     EGL_LIB_DEPS="$DLOPEN_LIBS $SELINUX_LIBS $PTHREAD_LIBS"
2039
2040     AC_CHECK_FUNC(mincore, [DEFINES="$DEFINES -DHAVE_MINCORE"])
2041
2042     require_dri_shared_libs_and_glapi "egl"
2043 fi
2044 AM_CONDITIONAL(HAVE_EGL, test "x$enable_egl" = xyes)
2045 AC_SUBST([EGL_LIB_DEPS])
2046
2047 gallium_st="mesa"
2048
2049 dnl
2050 dnl XA configuration
2051 dnl
2052 if test "x$enable_xa" = xyes; then
2053     if test "x$with_gallium_drivers" = xswrast; then
2054        AC_MSG_ERROR([
2055           Building xa requires at least one non swrast gallium driver.
2056           If you are looking to use libxatracker.so with the VMware driver,
2057           make sure to include svga in the gallium drivers list, apart from
2058           enabling XA.
2059           Example: ./configure --enable-xa --with-gallium-drivers=svga...])
2060     fi
2061     gallium_st="$gallium_st xa"
2062 fi
2063 AM_CONDITIONAL(HAVE_ST_XA, test "x$enable_xa" = xyes)
2064
2065 if echo $platforms | grep -q "x11"; then
2066     have_xvmc_platform=yes
2067 else
2068     have_xvmc_platform=no
2069 fi
2070
2071 if echo $platforms | grep -q "x11"; then
2072     have_vdpau_platform=yes
2073 else
2074     have_vdpau_platform=no
2075 fi
2076
2077 if echo $platforms | grep -q "x11\|drm"; then
2078     have_omx_platform=yes
2079 else
2080     have_omx_platform=no
2081 fi
2082
2083 if echo $platforms | grep -q "x11\|drm\|wayland"; then
2084     have_va_platform=yes
2085 else
2086     have_va_platform=no
2087 fi
2088
2089 dnl
2090 dnl Gallium G3DVL configuration
2091 dnl
2092 if test -n "$with_gallium_drivers" -a "x$with_gallium_drivers" != xswrast; then
2093     if test "x$enable_xvmc" = xauto -a "x$have_xvmc_platform" = xyes; then
2094         PKG_CHECK_EXISTS([xvmc >= $XVMC_REQUIRED], [enable_xvmc=yes], [enable_xvmc=no])
2095     fi
2096
2097     if test "x$enable_vdpau" = xauto -a "x$have_vdpau_platform" = xyes; then
2098         PKG_CHECK_EXISTS([vdpau >= $VDPAU_REQUIRED], [enable_vdpau=yes], [enable_vdpau=no])
2099     fi
2100
2101     if test "x$enable_omx" = xauto -a "x$have_omx_platform" = xyes; then
2102         PKG_CHECK_EXISTS([libomxil-bellagio >= $LIBOMXIL_BELLAGIO_REQUIRED], [enable_omx=yes], [enable_omx=no])
2103     fi
2104
2105     if test "x$enable_va" = xauto -a "x$have_va_platform" = xyes; then
2106         PKG_CHECK_EXISTS([libva >= $LIBVA_REQUIRED], [enable_va=yes], [enable_va=no])
2107     fi
2108 fi
2109
2110 if test "x$enable_dri" = xyes -o \
2111         "x$enable_xvmc" = xyes -o \
2112         "x$enable_vdpau" = xyes -o \
2113         "x$enable_omx" = xyes -o \
2114         "x$enable_va" = xyes; then
2115     need_gallium_vl=yes
2116 fi
2117 AM_CONDITIONAL(NEED_GALLIUM_VL, test "x$need_gallium_vl" = xyes)
2118
2119 if test "x$enable_xvmc" = xyes -o \
2120         "x$enable_vdpau" = xyes -o \
2121         "x$enable_omx" = xyes -o \
2122         "x$enable_va" = xyes; then
2123     PKG_CHECK_MODULES([VL], [x11-xcb xcb xcb-dri2 >= $XCBDRI2_REQUIRED])
2124     need_gallium_vl_winsys=yes
2125 fi
2126 AM_CONDITIONAL(NEED_GALLIUM_VL_WINSYS, test "x$need_gallium_vl_winsys" = xyes)
2127
2128 if test "x$enable_xvmc" = xyes; then
2129     if test "x$have_xvmc_platform" != xyes; then
2130         AC_MSG_ERROR([XVMC requires the x11 platforms])
2131     fi
2132     PKG_CHECK_MODULES([XVMC], [xvmc >= $XVMC_REQUIRED])
2133     gallium_st="$gallium_st xvmc"
2134 fi
2135 AM_CONDITIONAL(HAVE_ST_XVMC, test "x$enable_xvmc" = xyes)
2136
2137 if test "x$enable_vdpau" = xyes; then
2138     if test "x$have_vdpau_platform" != xyes; then
2139         AC_MSG_ERROR([VDPAU requires the x11 platforms])
2140     fi
2141     PKG_CHECK_MODULES([VDPAU], [vdpau >= $VDPAU_REQUIRED])
2142     gallium_st="$gallium_st vdpau"
2143     DEFINES="$DEFINES -DHAVE_ST_VDPAU"
2144 fi
2145 AM_CONDITIONAL(HAVE_ST_VDPAU, test "x$enable_vdpau" = xyes)
2146
2147 if test "x$enable_omx" = xyes; then
2148     if test "x$have_omx_platform" != xyes; then
2149         AC_MSG_ERROR([OMX requires at least one of the x11 or drm platforms])
2150     fi
2151     PKG_CHECK_MODULES([OMX], [libomxil-bellagio >= $LIBOMXIL_BELLAGIO_REQUIRED])
2152     gallium_st="$gallium_st omx"
2153 fi
2154 AM_CONDITIONAL(HAVE_ST_OMX, test "x$enable_omx" = xyes)
2155
2156 if test "x$enable_va" = xyes; then
2157     if test "x$have_va_platform" != xyes; then
2158         AC_MSG_ERROR([VA requires at least one of the x11 drm or wayland platforms])
2159     fi
2160     PKG_CHECK_MODULES([VA], [libva >= $LIBVA_REQUIRED])
2161     gallium_st="$gallium_st va"
2162 fi
2163 AM_CONDITIONAL(HAVE_ST_VA, test "x$enable_va" = xyes)
2164
2165 dnl
2166 dnl Nine Direct3D9 configuration
2167 dnl
2168 if test "x$enable_nine" = xyes; then
2169     if ! echo "$with_gallium_drivers" | grep -q 'swrast'; then
2170         AC_MSG_ERROR([nine requires the gallium swrast driver])
2171     fi
2172     if test "x$with_gallium_drivers" = xswrast; then
2173         AC_MSG_ERROR([nine requires at least one non-swrast gallium driver])
2174     fi
2175     if test $GCC_VERSION_MAJOR -lt 4 -o $GCC_VERSION_MAJOR -eq 4 -a $GCC_VERSION_MINOR -lt 6; then
2176         AC_MSG_ERROR([gcc >= 4.6 is required to build nine])
2177     fi
2178
2179     if test "x$enable_dri3" = xno; then
2180         AC_MSG_WARN([using nine together with wine requires DRI3 enabled system])
2181     fi
2182
2183     gallium_st="$gallium_st nine"
2184 fi
2185 AM_CONDITIONAL(HAVE_ST_NINE, test "x$enable_nine" = xyes)
2186
2187 dnl
2188 dnl OpenCL configuration
2189 dnl
2190
2191 AC_ARG_WITH([clang-libdir],
2192    [AS_HELP_STRING([--with-clang-libdir],
2193          [Path to Clang libraries @<:@default=llvm-config --libdir@:>@])],
2194    [CLANG_LIBDIR="$withval"],
2195    [CLANG_LIBDIR=''])
2196
2197 PKG_CHECK_EXISTS([libclc], [have_libclc=yes], [have_libclc=no])
2198
2199 if test "x$enable_opencl" = xyes; then
2200     if test -z "$with_gallium_drivers"; then
2201         AC_MSG_ERROR([cannot enable OpenCL without Gallium])
2202     fi
2203
2204     if test $GCC_VERSION_MAJOR -lt 4 -o $GCC_VERSION_MAJOR -eq 4 -a $GCC_VERSION_MINOR -lt 7; then
2205         AC_MSG_ERROR([gcc >= 4.7 is required to build clover])
2206     fi
2207
2208     if test "x$have_libclc" = xno; then
2209         AC_MSG_ERROR([pkg-config cannot find libclc.pc which is required to build clover.
2210                     Make sure the directory containing libclc.pc is specified in your
2211                     PKG_CONFIG_PATH environment variable.
2212                     By default libclc.pc is installed to /usr/local/share/pkgconfig/])
2213     else
2214         LIBCLC_INCLUDEDIR=`$PKG_CONFIG --variable=includedir libclc`
2215         LIBCLC_LIBEXECDIR=`$PKG_CONFIG --variable=libexecdir libclc`
2216         AC_SUBST([LIBCLC_INCLUDEDIR])
2217         AC_SUBST([LIBCLC_LIBEXECDIR])
2218     fi
2219
2220     gallium_st="$gallium_st clover"
2221
2222     if test "x$enable_opencl_icd" = xyes; then
2223         OPENCL_LIBNAME="MesaOpenCL"
2224     else
2225         OPENCL_LIBNAME="OpenCL"
2226     fi
2227
2228     if test "x$have_libelf" != xyes; then
2229        AC_MSG_ERROR([Clover requires libelf])
2230     fi
2231
2232     if test "x${ac_cv_cxx_compiler_gnu}" = xyes; then
2233         altivec_enabled=no
2234         AC_COMPILE_IFELSE([AC_LANG_SOURCE([
2235         #if !defined(__VEC__) || !defined(__ALTIVEC__)
2236         #error "AltiVec not enabled"
2237         #endif
2238         ])], altivec_enabled=yes)
2239
2240         if test "$altivec_enabled" = yes; then
2241             CLOVER_STD_OVERRIDE="-std=gnu++11"
2242         fi
2243         AC_SUBST([CLOVER_STD_OVERRIDE])
2244     fi
2245
2246     llvm_require_version $LLVM_REQUIRED_OPENCL "opencl"
2247
2248     llvm_add_default_components "opencl"
2249     llvm_add_component "all-targets" "opencl"
2250     llvm_add_component "linker" "opencl"
2251     llvm_add_component "instrumentation" "opencl"
2252     llvm_add_component "ipo" "opencl"
2253     llvm_add_component "irreader" "opencl"
2254     llvm_add_component "option" "opencl"
2255     llvm_add_component "objcarcopts" "opencl"
2256     llvm_add_component "profiledata" "opencl"
2257
2258     dnl Check for Clang internal headers
2259     if test -z "$CLANG_LIBDIR"; then
2260         CLANG_LIBDIR=${LLVM_LIBDIR}
2261     fi
2262     CLANG_RESOURCE_DIR=$CLANG_LIBDIR/clang/${LLVM_VERSION}
2263     AS_IF([test ! -f "$CLANG_RESOURCE_DIR/include/stddef.h"],
2264         [AC_MSG_ERROR([Could not find clang internal header stddef.h in $CLANG_RESOURCE_DIR Use --with-clang-libdir to specify the correct path to the clang libraries.])])
2265 fi
2266 AM_CONDITIONAL(HAVE_CLOVER, test "x$enable_opencl" = xyes)
2267 AM_CONDITIONAL(HAVE_CLOVER_ICD, test "x$enable_opencl_icd" = xyes)
2268 AC_SUBST([OPENCL_LIBNAME])
2269 AC_SUBST([CLANG_RESOURCE_DIR])
2270
2271 dnl
2272 dnl Gallium configuration
2273 dnl
2274 AM_CONDITIONAL(HAVE_GALLIUM, test -n "$with_gallium_drivers")
2275
2276 # libEGL wants to default to the first platform specified in
2277 # ./configure.  parse that here.
2278 if test "x$platforms" != "x"; then
2279     FIRST_PLATFORM_CAPS=`echo $platforms | sed 's| .*||' | tr '[[a-z]]' '[[A-Z]]'`
2280     EGL_NATIVE_PLATFORM="_EGL_PLATFORM_$FIRST_PLATFORM_CAPS"
2281 else
2282     EGL_NATIVE_PLATFORM="_EGL_INVALID_PLATFORM"
2283 fi
2284
2285 AC_SUBST([EGL_NATIVE_PLATFORM])
2286 AC_SUBST([EGL_CFLAGS])
2287
2288 # If we don't have the X11 platform, set this define so we don't try to include
2289 # the X11 headers.
2290 if ! echo "$platforms" | grep -q 'x11'; then
2291     DEFINES="$DEFINES -DMESA_EGL_NO_X11_HEADERS"
2292     GL_PC_CFLAGS="$GL_PC_CFLAGS -DMESA_EGL_NO_X11_HEADERS"
2293 fi
2294
2295 dnl Directory for XVMC libs
2296 AC_ARG_WITH([xvmc-libdir],
2297     [AS_HELP_STRING([--with-xvmc-libdir=DIR],
2298         [directory for the XVMC libraries @<:@default=${libdir}@:>@])],
2299     [XVMC_LIB_INSTALL_DIR="$withval"],
2300     [XVMC_LIB_INSTALL_DIR='${libdir}'])
2301 AC_SUBST([XVMC_LIB_INSTALL_DIR])
2302
2303 dnl
2304 dnl Gallium Tests
2305 dnl
2306 AM_CONDITIONAL(HAVE_GALLIUM_TESTS, test "x$enable_gallium_tests" = xyes)
2307
2308 dnl Directory for VDPAU libs
2309 AC_ARG_WITH([vdpau-libdir],
2310     [AS_HELP_STRING([--with-vdpau-libdir=DIR],
2311         [directory for the VDPAU libraries @<:@default=${libdir}/vdpau@:>@])],
2312     [VDPAU_LIB_INSTALL_DIR="$withval"],
2313     [VDPAU_LIB_INSTALL_DIR='${libdir}/vdpau'])
2314 AC_SUBST([VDPAU_LIB_INSTALL_DIR])
2315
2316 dnl Directory for OMX libs
2317
2318 AC_ARG_WITH([omx-libdir],
2319     [AS_HELP_STRING([--with-omx-libdir=DIR],
2320         [directory for the OMX libraries])],
2321     [OMX_LIB_INSTALL_DIR="$withval"],
2322     [OMX_LIB_INSTALL_DIR=`$PKG_CONFIG --exists libomxil-bellagio && \
2323                           $PKG_CONFIG --define-variable=libdir=\$libdir --variable=pluginsdir libomxil-bellagio`])
2324 AC_SUBST([OMX_LIB_INSTALL_DIR])
2325
2326 dnl Directory for VA libs
2327
2328 AC_ARG_WITH([va-libdir],
2329     [AS_HELP_STRING([--with-va-libdir=DIR],
2330         [directory for the VA libraries @<:@${libdir}/dri@:>@])],
2331     [VA_LIB_INSTALL_DIR="$withval"],
2332     [VA_LIB_INSTALL_DIR="${libdir}/dri"])
2333 AC_SUBST([VA_LIB_INSTALL_DIR])
2334
2335 AC_ARG_WITH([d3d-libdir],
2336     [AS_HELP_STRING([--with-d3d-libdir=DIR],
2337         [directory for the D3D modules @<:@${libdir}/d3d@:>@])],
2338     [D3D_DRIVER_INSTALL_DIR="$withval"],
2339     [D3D_DRIVER_INSTALL_DIR="${libdir}/d3d"])
2340 AC_SUBST([D3D_DRIVER_INSTALL_DIR])
2341
2342 dnl
2343 dnl r300 doesn't strictly require LLVM, but for performance reasons we
2344 dnl highly recommend LLVM usage. So require it at least on x86 and x86_64
2345 dnl architectures.
2346 dnl
2347 r300_require_llvm() {
2348     case "$host" in *gnux32) return;; esac
2349     case "$host_cpu" in
2350     i*86|x86_64|amd64) require_llvm $1
2351         ;;
2352     esac
2353 }
2354
2355 dnl
2356 dnl DRM is needed by X, Wayland, and offscreen rendering.
2357 dnl Surfaceless is an alternative for the last one.
2358 dnl
2359 require_basic_egl() {
2360     case "$with_platforms" in
2361         *drm*|*surfaceless*)
2362             ;;
2363         *)
2364             AC_MSG_ERROR([$1 requires one of these:
2365                   1) --with-platforms=drm (X, Wayland, offscreen rendering based on DRM)
2366                   2) --with-platforms=surfaceless (offscreen only)
2367                   Recommended options: drm,x11])
2368             ;;
2369     esac
2370 }
2371
2372 swr_require_cxx_feature_flags() {
2373     feature_name="$1"
2374     preprocessor_test="$2"
2375     option_list="$3"
2376     output_var="$4"
2377
2378     AC_MSG_CHECKING([whether $CXX supports $feature_name])
2379     AC_LANG_PUSH([C++])
2380     save_CXXFLAGS="$CXXFLAGS"
2381     save_IFS="$IFS"
2382     IFS=","
2383     found=0
2384     for opts in $option_list
2385     do
2386         unset IFS
2387         CXXFLAGS="$opts $save_CXXFLAGS"
2388         AC_COMPILE_IFELSE(
2389             [AC_LANG_PROGRAM(
2390                 [   #if !($preprocessor_test)
2391                     #error
2392                     #endif
2393                 ])],
2394             [found=1; break],
2395             [])
2396         IFS=","
2397     done
2398     IFS="$save_IFS"
2399     CXXFLAGS="$save_CXXFLAGS"
2400     AC_LANG_POP([C++])
2401     if test $found -eq 1; then
2402         AC_MSG_RESULT([$opts])
2403         eval "$output_var=\$opts"
2404         return 0
2405     fi
2406     AC_MSG_RESULT([no])
2407     AC_MSG_ERROR([swr requires $feature_name support])
2408     return 1
2409 }
2410
2411 dnl Duplicates in GALLIUM_DRIVERS_DIRS are removed by sorting it after this block
2412 if test -n "$with_gallium_drivers"; then
2413     gallium_drivers=`IFS=', '; echo $with_gallium_drivers`
2414     for driver in $gallium_drivers; do
2415         case "x$driver" in
2416         xsvga)
2417             HAVE_GALLIUM_SVGA=yes
2418             require_libdrm "svga"
2419             ;;
2420         xi915)
2421             HAVE_GALLIUM_I915=yes
2422             PKG_CHECK_MODULES([INTEL], [libdrm >= $LIBDRM_INTEL_REQUIRED libdrm_intel >= $LIBDRM_INTEL_REQUIRED])
2423             require_libdrm "Gallium i915"
2424             ;;
2425         xr300)
2426             HAVE_GALLIUM_R300=yes
2427             PKG_CHECK_MODULES([RADEON], [libdrm >= $LIBDRM_RADEON_REQUIRED libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
2428             require_libdrm "r300"
2429             r300_require_llvm "r300"
2430             ;;
2431         xr600)
2432             HAVE_GALLIUM_R600=yes
2433             PKG_CHECK_MODULES([RADEON], [libdrm >= $LIBDRM_RADEON_REQUIRED libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
2434             require_libdrm "r600"
2435             if test "x$enable_llvm" = xyes; then
2436                 radeon_llvm_check $LLVM_REQUIRED_R600 "r600"
2437
2438                 llvm_add_component "asmparser" "r600"
2439                 llvm_add_component "bitreader" "r600"
2440             fi
2441             ;;
2442         xradeonsi)
2443             HAVE_GALLIUM_RADEONSI=yes
2444             PKG_CHECK_MODULES([RADEON], [libdrm >= $LIBDRM_RADEON_REQUIRED libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
2445             PKG_CHECK_MODULES([AMDGPU], [libdrm >= $LIBDRM_AMDGPU_REQUIRED libdrm_amdgpu >= $LIBDRM_AMDGPU_REQUIRED])
2446             require_libdrm "radeonsi"
2447             radeon_llvm_check $LLVM_REQUIRED_RADEONSI "radeonsi"
2448             if test "x$enable_egl" = xyes; then
2449                 require_basic_egl "radeonsi"
2450             fi
2451             ;;
2452         xnouveau)
2453             HAVE_GALLIUM_NOUVEAU=yes
2454             PKG_CHECK_MODULES([NOUVEAU], [libdrm >= $LIBDRM_NOUVEAU_REQUIRED libdrm_nouveau >= $LIBDRM_NOUVEAU_REQUIRED])
2455             require_libdrm "nouveau"
2456             ;;
2457         xfreedreno)
2458             HAVE_GALLIUM_FREEDRENO=yes
2459             PKG_CHECK_MODULES([FREEDRENO], [libdrm >= $LIBDRM_FREEDRENO_REQUIRED libdrm_freedreno >= $LIBDRM_FREEDRENO_REQUIRED])
2460             require_libdrm "freedreno"
2461             ;;
2462         xetnaviv)
2463             HAVE_GALLIUM_ETNAVIV=yes
2464             PKG_CHECK_MODULES([ETNAVIV], [libdrm >= $LIBDRM_ETNAVIV_REQUIRED libdrm_etnaviv >= $LIBDRM_ETNAVIV_REQUIRED])
2465             require_libdrm "etnaviv"
2466             ;;
2467        ximx)
2468             HAVE_GALLIUM_IMX=yes
2469             ;;
2470         xswrast)
2471             HAVE_GALLIUM_SOFTPIPE=yes
2472             if test "x$enable_llvm" = xyes; then
2473                 HAVE_GALLIUM_LLVMPIPE=yes
2474             fi
2475             ;;
2476         xswr)
2477             llvm_require_version $LLVM_REQUIRED_SWR "swr"
2478
2479             swr_require_cxx_feature_flags "C++14" "__cplusplus >= 201402L" \
2480                 "-std=c++14" \
2481                 SWR_CXX14_CXXFLAGS
2482             AC_SUBST([SWR_CXX14_CXXFLAGS])
2483
2484             swr_require_cxx_feature_flags "AVX" "defined(__AVX__)" \
2485                 ",-mavx,-march=core-avx" \
2486                 SWR_AVX_CXXFLAGS
2487             AC_SUBST([SWR_AVX_CXXFLAGS])
2488
2489             swr_require_cxx_feature_flags "AVX2" "defined(__AVX2__)" \
2490                 ",-mavx2 -mfma -mbmi2 -mf16c,-march=core-avx2" \
2491                 SWR_AVX2_CXXFLAGS
2492             AC_SUBST([SWR_AVX2_CXXFLAGS])
2493
2494             HAVE_GALLIUM_SWR=yes
2495             ;;
2496         xvc4)
2497             HAVE_GALLIUM_VC4=yes
2498             PKG_CHECK_MODULES([VC4], [libdrm >= $LIBDRM_VC4_REQUIRED libdrm_vc4 >= $LIBDRM_VC4_REQUIRED])
2499             require_libdrm "vc4"
2500
2501             PKG_CHECK_MODULES([SIMPENROSE], [simpenrose],
2502                               [USE_VC4_SIMULATOR=yes;
2503                                DEFINES="$DEFINES -DUSE_VC4_SIMULATOR"],
2504                               [USE_VC4_SIMULATOR=no])
2505             ;;
2506         xvirgl)
2507             HAVE_GALLIUM_VIRGL=yes
2508             require_libdrm "virgl"
2509             if test "x$enable_egl" = xyes; then
2510                 require_basic_egl "virgl"
2511             fi
2512             ;;
2513         *)
2514             AC_MSG_ERROR([Unknown Gallium driver: $driver])
2515             ;;
2516         esac
2517     done
2518 fi
2519
2520 if test "x$enable_llvm" = "xyes" -a "$with_gallium_drivers"; then
2521     llvm_require_version $LLVM_REQUIRED_GALLIUM "gallium"
2522     llvm_add_default_components "gallium"
2523 fi
2524
2525 dnl We need to validate some needed dependencies for renderonly drivers.
2526
2527 if test "x$HAVE_GALLIUM_ETNAVIV" != xyes -a "x$HAVE_GALLIUM_IMX" = xyes  ; then
2528     AC_MSG_ERROR([Building with imx requires etnaviv])
2529 fi
2530
2531 dnl
2532 dnl Set defines and buildtime variables only when using LLVM.
2533 dnl
2534 if test "x$enable_llvm" = xyes; then
2535     DEFINES="${DEFINES} -DHAVE_LLVM=0x0$LLVM_VERSION_INT -DMESA_LLVM_VERSION_PATCH=$LLVM_VERSION_PATCH"
2536
2537     LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
2538     LLVM_CFLAGS=$LLVM_CPPFLAGS   # CPPFLAGS seem to be sufficient
2539     LLVM_CXXFLAGS=`strip_unwanted_llvm_flags "$LLVM_CONFIG --cxxflags"`
2540
2541     dnl Set LLVM_LIBS - This is done after the driver configuration so
2542     dnl that drivers can add additional components to LLVM_COMPONENTS.
2543     dnl Previously, gallium drivers were updating LLVM_LIBS directly
2544     dnl by calling llvm-config --libs ${DRIVER_LLVM_COMPONENTS}, but
2545     dnl this was causing the same libraries to be appear multiple times
2546     dnl in LLVM_LIBS.
2547
2548     if ! $LLVM_CONFIG --libs ${LLVM_COMPONENTS} >/dev/null; then
2549        AC_MSG_ERROR([Calling ${LLVM_CONFIG} failed])
2550     fi
2551     LLVM_LIBS="`$LLVM_CONFIG --libs ${LLVM_COMPONENTS}`"
2552
2553     dnl llvm-config may not give the right answer when llvm is a built as a
2554     dnl single shared library, so we must work the library name out for
2555     dnl ourselves.
2556     dnl (See https://llvm.org/bugs/show_bug.cgi?id=6823)
2557     if test "x$enable_llvm_shared_libs" = xyes; then
2558         dnl We can't use $LLVM_VERSION because it has 'svn' stripped out,
2559         LLVM_SO_NAME=LLVM-`$LLVM_CONFIG --version`
2560         AS_IF([test -f "$LLVM_LIBDIR/lib$LLVM_SO_NAME.$IMP_LIB_EXT"], [llvm_have_one_so=yes])
2561
2562         if test "x$llvm_have_one_so" = xyes; then
2563             dnl LLVM was built using auto*, so there is only one shared object.
2564             LLVM_LIBS="-l$LLVM_SO_NAME"
2565         else
2566             dnl If LLVM was built with CMake, there will be one shared object per
2567             dnl component.
2568             AS_IF([test ! -f "$LLVM_LIBDIR/libLLVMTarget.$IMP_LIB_EXT"],
2569                     [AC_MSG_ERROR([Could not find llvm shared libraries:
2570         Please make sure you have built llvm with the --enable-shared option
2571         and that your llvm libraries are installed in $LLVM_LIBDIR
2572         If you have installed your llvm libraries to a different directory you
2573         can use the --with-llvm-prefix= configure flag to specify this directory.
2574         NOTE: Mesa is attempting to use llvm shared libraries by default.
2575         If you do not want to build with llvm shared libraries and instead want to
2576         use llvm static libraries then add --disable-llvm-shared-libs to your configure
2577         invocation and rebuild.])])
2578
2579            dnl We don't need to update LLVM_LIBS in this case because the LLVM
2580            dnl install uses a shared object for each component and we have
2581            dnl already added all of these objects to LLVM_LIBS.
2582         fi
2583     else
2584         AC_MSG_WARN([Building mesa with statically linked LLVM may cause compilation issues])
2585         dnl We need to link to llvm system libs when using static libs
2586         dnl However, only llvm 3.5+ provides --system-libs
2587         if test $LLVM_VERSION_MAJOR -ge 4 -o $LLVM_VERSION_MAJOR -eq 3 -a $LLVM_VERSION_MINOR -ge 5; then
2588             LLVM_LIBS="$LLVM_LIBS `$LLVM_CONFIG --system-libs`"
2589         fi
2590     fi
2591 fi
2592
2593 AM_CONDITIONAL(HAVE_GALLIUM_SVGA, test "x$HAVE_GALLIUM_SVGA" = xyes)
2594 AM_CONDITIONAL(HAVE_GALLIUM_I915, test "x$HAVE_GALLIUM_I915" = xyes)
2595 AM_CONDITIONAL(HAVE_GALLIUM_R300, test "x$HAVE_GALLIUM_R300" = xyes)
2596 AM_CONDITIONAL(HAVE_GALLIUM_R600, test "x$HAVE_GALLIUM_R600" = xyes)
2597 AM_CONDITIONAL(HAVE_GALLIUM_RADEONSI, test "x$HAVE_GALLIUM_RADEONSI" = xyes)
2598 AM_CONDITIONAL(HAVE_GALLIUM_RADEON_COMMON, test "x$HAVE_GALLIUM_R600" = xyes -o \
2599                                                 "x$HAVE_GALLIUM_RADEONSI" = xyes)
2600 AM_CONDITIONAL(HAVE_GALLIUM_NOUVEAU, test "x$HAVE_GALLIUM_NOUVEAU" = xyes)
2601 AM_CONDITIONAL(HAVE_GALLIUM_FREEDRENO, test "x$HAVE_GALLIUM_FREEDRENO" = xyes)
2602 AM_CONDITIONAL(HAVE_GALLIUM_ETNAVIV, test "x$HAVE_GALLIUM_ETNAVIV" = xyes)
2603 AM_CONDITIONAL(HAVE_GALLIUM_IMX, test "x$HAVE_GALLIUM_IMX" = xyes)
2604 AM_CONDITIONAL(HAVE_GALLIUM_SOFTPIPE, test "x$HAVE_GALLIUM_SOFTPIPE" = xyes)
2605 AM_CONDITIONAL(HAVE_GALLIUM_LLVMPIPE, test "x$HAVE_GALLIUM_LLVMPIPE" = xyes)
2606 AM_CONDITIONAL(HAVE_GALLIUM_SWR, test "x$HAVE_GALLIUM_SWR" = xyes)
2607 AM_CONDITIONAL(HAVE_GALLIUM_SWRAST, test "x$HAVE_GALLIUM_SOFTPIPE" = xyes -o \
2608                                          "x$HAVE_GALLIUM_LLVMPIPE" = xyes -o \
2609                                          "x$HAVE_GALLIUM_SWR" = xyes)
2610 AM_CONDITIONAL(HAVE_GALLIUM_VC4, test "x$HAVE_GALLIUM_VC4" = xyes)
2611 AM_CONDITIONAL(HAVE_GALLIUM_VIRGL, test "x$HAVE_GALLIUM_VIRGL" = xyes)
2612
2613 AM_CONDITIONAL(HAVE_GALLIUM_STATIC_TARGETS, test "x$enable_shared_pipe_drivers" = xno)
2614
2615 if test "x$enable_dri" = xyes; then
2616     GALLIUM_PIPE_LOADER_DEFINES="$GALLIUM_PIPE_LOADER_DEFINES -DHAVE_PIPE_LOADER_DRI"
2617 fi
2618
2619 if test "x$have_drisw_kms" = xyes; then
2620     GALLIUM_PIPE_LOADER_DEFINES="$GALLIUM_PIPE_LOADER_DEFINES -DHAVE_PIPE_LOADER_KMS"
2621 fi
2622 AC_SUBST([GALLIUM_PIPE_LOADER_DEFINES])
2623
2624 AM_CONDITIONAL(HAVE_I915_DRI, test x$HAVE_I915_DRI = xyes)
2625 AM_CONDITIONAL(HAVE_I965_DRI, test x$HAVE_I965_DRI = xyes)
2626 AM_CONDITIONAL(HAVE_NOUVEAU_DRI, test x$HAVE_NOUVEAU_DRI = xyes)
2627 AM_CONDITIONAL(HAVE_R200_DRI, test x$HAVE_R200_DRI = xyes)
2628 AM_CONDITIONAL(HAVE_RADEON_DRI, test x$HAVE_RADEON_DRI = xyes)
2629 AM_CONDITIONAL(HAVE_SWRAST_DRI, test x$HAVE_SWRAST_DRI = xyes)
2630
2631 AM_CONDITIONAL(HAVE_RADEON_VULKAN, test "x$HAVE_RADEON_VULKAN" = xyes)
2632 AM_CONDITIONAL(HAVE_INTEL_VULKAN, test "x$HAVE_INTEL_VULKAN" = xyes)
2633
2634 AM_CONDITIONAL(HAVE_AMD_DRIVERS, test "x$HAVE_GALLIUM_R600" = xyes -o \
2635                                       "x$HAVE_GALLIUM_RADEONSI" = xyes -o \
2636                                       "x$HAVE_RADEON_VULKAN" = xyes)
2637
2638 AM_CONDITIONAL(HAVE_INTEL_DRIVERS, test "x$HAVE_INTEL_VULKAN" = xyes -o \
2639                                         "x$HAVE_I965_DRI" = xyes)
2640
2641 AM_CONDITIONAL(NEED_RADEON_DRM_WINSYS, test "x$HAVE_GALLIUM_R300" = xyes -o \
2642                                             "x$HAVE_GALLIUM_R600" = xyes -o \
2643                                             "x$HAVE_GALLIUM_RADEONSI" = xyes)
2644 AM_CONDITIONAL(NEED_WINSYS_XLIB, test "x$enable_glx" = xgallium-xlib)
2645 AM_CONDITIONAL(HAVE_GALLIUM_COMPUTE, test x$enable_opencl = xyes)
2646 AM_CONDITIONAL(HAVE_GALLIUM_LLVM, test "x$enable_llvm" = xyes)
2647 AM_CONDITIONAL(USE_VC4_SIMULATOR, test x$USE_VC4_SIMULATOR = xyes)
2648
2649 AM_CONDITIONAL(HAVE_LIBDRM, test "x$have_libdrm" = xyes)
2650 AM_CONDITIONAL(HAVE_OSMESA, test "x$enable_osmesa" = xyes)
2651 AM_CONDITIONAL(HAVE_GALLIUM_OSMESA, test "x$enable_gallium_osmesa" = xyes)
2652 AM_CONDITIONAL(HAVE_COMMON_OSMESA, test "x$enable_osmesa" = xyes -o \
2653                                         "x$enable_gallium_osmesa" = xyes)
2654
2655 AM_CONDITIONAL(HAVE_X86_ASM, test "x$asm_arch" = xx86 -o "x$asm_arch" = xx86_64)
2656 AM_CONDITIONAL(HAVE_X86_64_ASM, test "x$asm_arch" = xx86_64)
2657 AM_CONDITIONAL(HAVE_SPARC_ASM, test "x$asm_arch" = xsparc)
2658
2659 AC_SUBST([NINE_MAJOR], 1)
2660 AC_SUBST([NINE_MINOR], 0)
2661 AC_SUBST([NINE_TINY], 0)
2662 AC_SUBST([NINE_VERSION], "$NINE_MAJOR.$NINE_MINOR.$NINE_TINY")
2663
2664 AC_SUBST([VDPAU_MAJOR], 1)
2665 AC_SUBST([VDPAU_MINOR], 0)
2666
2667 if test "x$enable_va" = xyes; then
2668     VA_MAJOR=`$PKG_CONFIG --modversion libva | $SED -n 's/\([[^\.]]*\)\..*$/\1/p'`
2669     VA_MINOR=`$PKG_CONFIG --modversion libva | $SED -n 's/.*\.\(.*\)\..*$/\1/p'`
2670 fi
2671 AC_SUBST([VA_MAJOR], $VA_MAJOR)
2672 AC_SUBST([VA_MINOR], $VA_MINOR)
2673
2674 AM_CONDITIONAL(HAVE_VULKAN_COMMON, test "x$VULKAN_DRIVERS" != "x")
2675
2676 AC_SUBST([XVMC_MAJOR], 1)
2677 AC_SUBST([XVMC_MINOR], 0)
2678
2679 XA_HEADER="$srcdir/src/gallium/state_trackers/xa/xa_tracker.h"
2680 XA_MAJOR=`grep "#define XA_TRACKER_VERSION_MAJOR" $XA_HEADER | $SED 's/^#define XA_TRACKER_VERSION_MAJOR //'`
2681 XA_MINOR=`grep "#define XA_TRACKER_VERSION_MINOR" $XA_HEADER | $SED 's/^#define XA_TRACKER_VERSION_MINOR //'`
2682 XA_TINY=`grep "#define XA_TRACKER_VERSION_PATCH" $XA_HEADER | $SED 's/^#define XA_TRACKER_VERSION_PATCH //'`
2683
2684 AC_SUBST([XA_MAJOR], $XA_MAJOR)
2685 AC_SUBST([XA_MINOR], $XA_MINOR)
2686 AC_SUBST([XA_TINY], $XA_TINY)
2687 AC_SUBST([XA_VERSION], "$XA_MAJOR.$XA_MINOR.$XA_TINY")
2688
2689 AC_ARG_ENABLE(valgrind,
2690               [AS_HELP_STRING([--enable-valgrind],
2691                              [Build mesa with valgrind support (default: auto)])],
2692                              [VALGRIND=$enableval], [VALGRIND=auto])
2693 if test "x$VALGRIND" != xno; then
2694         PKG_CHECK_MODULES(VALGRIND, [valgrind], [have_valgrind=yes], [have_valgrind=no])
2695 fi
2696 AC_MSG_CHECKING([whether to enable Valgrind support])
2697 if test "x$VALGRIND" = xauto; then
2698         VALGRIND="$have_valgrind"
2699 fi
2700
2701 if test "x$VALGRIND" = "xyes"; then
2702         if ! test "x$have_valgrind" = xyes; then
2703                 AC_MSG_ERROR([Valgrind support required but not present])
2704         fi
2705         AC_DEFINE([HAVE_VALGRIND], 1, [Use valgrind intrinsics to suppress false warnings])
2706 fi
2707
2708 AC_MSG_RESULT([$VALGRIND])
2709
2710 dnl Restore LDFLAGS and CPPFLAGS
2711 LDFLAGS="$_SAVE_LDFLAGS"
2712 CPPFLAGS="$_SAVE_CPPFLAGS"
2713
2714 dnl Suppress clang's warnings about unused CFLAGS and CXXFLAGS
2715 if test "x$acv_mesa_CLANG" = xyes; then
2716     CFLAGS="$CFLAGS -Qunused-arguments"
2717     CXXFLAGS="$CXXFLAGS -Qunused-arguments"
2718 fi
2719
2720 dnl Add user CFLAGS and CXXFLAGS
2721 CFLAGS="$CFLAGS $USER_CFLAGS"
2722 CXXFLAGS="$CXXFLAGS $USER_CXXFLAGS"
2723
2724 dnl Substitute the config
2725 AC_CONFIG_FILES([Makefile
2726                 src/Makefile
2727                 src/amd/Makefile
2728                 src/amd/vulkan/Makefile
2729                 src/compiler/Makefile
2730                 src/egl/Makefile
2731                 src/egl/main/egl.pc
2732                 src/egl/wayland/wayland-drm/Makefile
2733                 src/egl/wayland/wayland-egl/Makefile
2734                 src/egl/wayland/wayland-egl/wayland-egl.pc
2735                 src/gallium/Makefile
2736                 src/gallium/auxiliary/Makefile
2737                 src/gallium/auxiliary/pipe-loader/Makefile
2738                 src/gallium/drivers/freedreno/Makefile
2739                 src/gallium/drivers/ddebug/Makefile
2740                 src/gallium/drivers/i915/Makefile
2741                 src/gallium/drivers/llvmpipe/Makefile
2742                 src/gallium/drivers/noop/Makefile
2743                 src/gallium/drivers/nouveau/Makefile
2744                 src/gallium/drivers/r300/Makefile
2745                 src/gallium/drivers/r600/Makefile
2746                 src/gallium/drivers/radeon/Makefile
2747                 src/gallium/drivers/radeonsi/Makefile
2748                 src/gallium/drivers/rbug/Makefile
2749                 src/gallium/drivers/softpipe/Makefile
2750                 src/gallium/drivers/svga/Makefile
2751                 src/gallium/drivers/swr/Makefile
2752                 src/gallium/drivers/trace/Makefile
2753                 src/gallium/drivers/etnaviv/Makefile
2754                 src/gallium/drivers/imx/Makefile
2755                 src/gallium/drivers/vc4/Makefile
2756                 src/gallium/drivers/virgl/Makefile
2757                 src/gallium/state_trackers/clover/Makefile
2758                 src/gallium/state_trackers/dri/Makefile
2759                 src/gallium/state_trackers/glx/xlib/Makefile
2760                 src/gallium/state_trackers/nine/Makefile
2761                 src/gallium/state_trackers/omx/Makefile
2762                 src/gallium/state_trackers/osmesa/Makefile
2763                 src/gallium/state_trackers/va/Makefile
2764                 src/gallium/state_trackers/vdpau/Makefile
2765                 src/gallium/state_trackers/xa/Makefile
2766                 src/gallium/state_trackers/xvmc/Makefile
2767                 src/gallium/targets/d3dadapter9/Makefile
2768                 src/gallium/targets/d3dadapter9/d3d.pc
2769                 src/gallium/targets/dri/Makefile
2770                 src/gallium/targets/libgl-xlib/Makefile
2771                 src/gallium/targets/omx/Makefile
2772                 src/gallium/targets/opencl/Makefile
2773                 src/gallium/targets/opencl/mesa.icd
2774                 src/gallium/targets/osmesa/Makefile
2775                 src/gallium/targets/osmesa/osmesa.pc
2776                 src/gallium/targets/pipe-loader/Makefile
2777                 src/gallium/targets/va/Makefile
2778                 src/gallium/targets/vdpau/Makefile
2779                 src/gallium/targets/xa/Makefile
2780                 src/gallium/targets/xa/xatracker.pc
2781                 src/gallium/targets/xvmc/Makefile
2782                 src/gallium/tests/trivial/Makefile
2783                 src/gallium/tests/unit/Makefile
2784                 src/gallium/winsys/etnaviv/drm/Makefile
2785                 src/gallium/winsys/imx/drm/Makefile
2786                 src/gallium/winsys/freedreno/drm/Makefile
2787                 src/gallium/winsys/i915/drm/Makefile
2788                 src/gallium/winsys/nouveau/drm/Makefile
2789                 src/gallium/winsys/radeon/drm/Makefile
2790                 src/gallium/winsys/amdgpu/drm/Makefile
2791                 src/gallium/winsys/svga/drm/Makefile
2792                 src/gallium/winsys/sw/dri/Makefile
2793                 src/gallium/winsys/sw/kms-dri/Makefile
2794                 src/gallium/winsys/sw/null/Makefile
2795                 src/gallium/winsys/sw/wrapper/Makefile
2796                 src/gallium/winsys/sw/xlib/Makefile
2797                 src/gallium/winsys/vc4/drm/Makefile
2798                 src/gallium/winsys/virgl/drm/Makefile
2799                 src/gallium/winsys/virgl/vtest/Makefile
2800                 src/gbm/Makefile
2801                 src/gbm/main/gbm.pc
2802                 src/glx/Makefile
2803                 src/glx/apple/Makefile
2804                 src/glx/tests/Makefile
2805                 src/glx/windows/Makefile
2806                 src/glx/windows/windowsdriproto.pc
2807                 src/gtest/Makefile
2808                 src/intel/Makefile
2809                 src/loader/Makefile
2810                 src/mapi/Makefile
2811                 src/mapi/es1api/glesv1_cm.pc
2812                 src/mapi/es2api/glesv2.pc
2813                 src/mapi/glapi/gen/Makefile
2814                 src/mesa/Makefile
2815                 src/mesa/gl.pc
2816                 src/mesa/drivers/dri/dri.pc
2817                 src/mesa/drivers/dri/common/Makefile
2818                 src/mesa/drivers/dri/common/xmlpool/Makefile
2819                 src/mesa/drivers/dri/i915/Makefile
2820                 src/mesa/drivers/dri/i965/Makefile
2821                 src/mesa/drivers/dri/Makefile
2822                 src/mesa/drivers/dri/nouveau/Makefile
2823                 src/mesa/drivers/dri/r200/Makefile
2824                 src/mesa/drivers/dri/radeon/Makefile
2825                 src/mesa/drivers/dri/swrast/Makefile
2826                 src/mesa/drivers/osmesa/Makefile
2827                 src/mesa/drivers/osmesa/osmesa.pc
2828                 src/mesa/drivers/x11/Makefile
2829                 src/mesa/main/tests/Makefile
2830                 src/util/Makefile
2831                 src/util/tests/hash_table/Makefile
2832                 src/vulkan/Makefile])
2833
2834 AC_OUTPUT
2835
2836 # Fix up dependencies in *.Plo files, where we changed the extension of a
2837 # source file
2838 $SED -i -e 's/brw_blorp.cpp/brw_blorp.c/' src/mesa/drivers/dri/i965/.deps/brw_blorp.Plo
2839
2840
2841 dnl
2842 dnl Output some configuration info for the user
2843 dnl
2844 echo ""
2845 echo "        prefix:          $prefix"
2846 echo "        exec_prefix:     $exec_prefix"
2847 echo "        libdir:          $libdir"
2848 echo "        includedir:      $includedir"
2849
2850 dnl API info
2851 echo ""
2852 echo "        OpenGL:          $enable_opengl (ES1: $enable_gles1 ES2: $enable_gles2)"
2853
2854 dnl Driver info
2855 echo ""
2856 case "x$enable_osmesa$enable_gallium_osmesa" in
2857 xnoyes)
2858         echo "        OSMesa:          lib$OSMESA_LIB (Gallium)"
2859         ;;
2860 xyesno)
2861         echo "        OSMesa:          lib$OSMESA_LIB"
2862         ;;
2863 xnono)
2864         echo "        OSMesa:          no"
2865         ;;
2866 esac
2867
2868 echo ""
2869 if test "x$enable_dri" != xno; then
2870         echo "        DRI platform:    $dri_platform"
2871         if test -z "$DRI_DIRS"; then
2872             echo "        DRI drivers:     no"
2873         else
2874             echo "        DRI drivers:     $DRI_DIRS"
2875         fi
2876         echo "        DRI driver dir:  $DRI_DRIVER_INSTALL_DIR"
2877 fi
2878
2879 case "x$enable_glx" in
2880 xdri)
2881     echo "        GLX:             DRI-based"
2882     ;;
2883 xxlib)
2884     echo "        GLX:             Xlib-based"
2885     ;;
2886 xgallium-xlib)
2887     echo "        GLX:             Xlib-based (Gallium)"
2888     ;;
2889 *)
2890     echo "        GLX:             $enable_glx"
2891     ;;
2892 esac
2893
2894 dnl EGL
2895 echo ""
2896 echo "        EGL:             $enable_egl"
2897 if test "$enable_egl" = yes; then
2898
2899     egl_drivers=""
2900     if test "x$enable_dri" != "xno"; then
2901         egl_drivers="$egl_drivers builtin:egl_dri2"
2902     fi
2903     if test "x$enable_dri3" != "xno"; then
2904         egl_drivers="$egl_drivers builtin:egl_dri3"
2905     fi
2906
2907     echo "        EGL drivers:    $egl_drivers"
2908 fi
2909 if test "x$enable_gbm" = xyes; then
2910     echo "        GBM:             yes"
2911 else
2912     echo "        GBM:             no"
2913 fi
2914
2915     echo "        EGL/Vulkan/VL platforms:   $platforms"
2916
2917 # Vulkan
2918 echo ""
2919 if test "x$VULKAN_DRIVERS" != x; then
2920     echo "        Vulkan drivers:  $VULKAN_DRIVERS"
2921     echo "        Vulkan ICD dir:  $VULKAN_ICD_INSTALL_DIR"
2922 else
2923     echo "        Vulkan drivers:  no"
2924 fi
2925
2926 echo ""
2927 if test "x$enable_llvm" = xyes; then
2928     echo "        llvm:            yes"
2929     echo "        llvm-config:     $LLVM_CONFIG"
2930     echo "        llvm-version:    $LLVM_VERSION"
2931 else
2932     echo "        llvm:            no"
2933 fi
2934
2935 echo ""
2936 if test -n "$with_gallium_drivers"; then
2937     echo "        Gallium drivers: $gallium_drivers"
2938     echo "        Gallium st:      $gallium_st"
2939 else
2940     echo "        Gallium:         no"
2941 fi
2942
2943 echo ""
2944 if test "x$enable_gallium_extra_hud" != xyes; then
2945     echo "        HUD extra stats: no"
2946 else
2947     echo "        HUD extra stats: yes"
2948 fi
2949
2950 if test "x$enable_lmsensors" != xyes; then
2951     echo "        HUD lmsensors:   no"
2952 else
2953     echo "        HUD lmsensors:   yes"
2954 fi
2955
2956 dnl Libraries
2957 echo ""
2958 echo "        Shared libs:     $enable_shared"
2959 echo "        Static libs:     $enable_static"
2960 echo "        Shared-glapi:    $enable_shared_glapi"
2961
2962 dnl Compiler options
2963 # cleanup the CFLAGS/CXXFLAGS/LDFLAGS/DEFINES vars
2964 cflags=`echo $CFLAGS | \
2965     $SED 's/^ *//;s/  */ /;s/ *$//'`
2966 cxxflags=`echo $CXXFLAGS | \
2967     $SED 's/^ *//;s/  */ /;s/ *$//'`
2968 ldflags=`echo $LDFLAGS | $SED 's/^ *//;s/  */ /;s/ *$//'`
2969 defines=`echo $DEFINES | $SED 's/^ *//;s/  */ /;s/ *$//'`
2970 echo ""
2971 echo "        CFLAGS:          $cflags"
2972 echo "        CXXFLAGS:        $cxxflags"
2973 echo "        LDFLAGS:         $ldflags"
2974 echo "        Macros:          $defines"
2975 echo ""
2976 if test "x$enable_llvm" = xyes; then
2977     echo "        LLVM_CFLAGS:     $LLVM_CFLAGS"
2978     echo "        LLVM_CXXFLAGS:   $LLVM_CXXFLAGS"
2979     echo "        LLVM_CPPFLAGS:   $LLVM_CPPFLAGS"
2980     echo "        LLVM_LDFLAGS:    $LLVM_LDFLAGS"
2981     echo ""
2982 fi
2983 echo "        PYTHON2:         $PYTHON2"
2984
2985 echo ""
2986 echo "        Run '${MAKE-make}' to build Mesa"
2987 echo ""