mesa/formatquery: added FILTER pname support
[mesa.git] / configure.ac
index e6d947e5fc3274883bfd3015d2bf7e8643e87e5d..3b7703088fb71e8b8c61e1ea6bf005be3f3ec4b8 100644 (file)
@@ -44,7 +44,7 @@ AC_INIT([Mesa], [MESA_VERSION],
 AC_CONFIG_AUX_DIR([bin])
 AC_CONFIG_MACRO_DIR([m4])
 AC_CANONICAL_SYSTEM
 AC_CONFIG_AUX_DIR([bin])
 AC_CONFIG_MACRO_DIR([m4])
 AC_CANONICAL_SYSTEM
-AM_INIT_AUTOMAKE([foreign tar-ustar dist-xz])
+AM_INIT_AUTOMAKE([foreign tar-ustar dist-xz subdir-objects])
 
 dnl We only support native Windows builds (MinGW/MSVC) through SCons.
 case "$host_os" in
 
 dnl We only support native Windows builds (MinGW/MSVC) through SCons.
 case "$host_os" in
@@ -64,22 +64,25 @@ m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
 dnl Set internal versions
 OSMESA_VERSION=8
 AC_SUBST([OSMESA_VERSION])
 dnl Set internal versions
 OSMESA_VERSION=8
 AC_SUBST([OSMESA_VERSION])
+OPENCL_VERSION=1
+AC_SUBST([OPENCL_VERSION])
 
 dnl Versions for external dependencies
 
 dnl Versions for external dependencies
-LIBDRM_REQUIRED=2.4.38
+LIBDRM_REQUIRED=2.4.60
 LIBDRM_RADEON_REQUIRED=2.4.56
 LIBDRM_RADEON_REQUIRED=2.4.56
-LIBDRM_INTEL_REQUIRED=2.4.60
-LIBDRM_NVVIEUX_REQUIRED=2.4.33
-LIBDRM_NOUVEAU_REQUIRED="2.4.33 libdrm >= 2.4.41"
-LIBDRM_FREEDRENO_REQUIRED=2.4.57
+LIBDRM_AMDGPU_REQUIRED=2.4.63
+LIBDRM_INTEL_REQUIRED=2.4.61
+LIBDRM_NVVIEUX_REQUIRED=2.4.66
+LIBDRM_NOUVEAU_REQUIRED=2.4.66
+LIBDRM_FREEDRENO_REQUIRED=2.4.67
 DRI2PROTO_REQUIRED=2.6
 DRI3PROTO_REQUIRED=1.0
 PRESENTPROTO_REQUIRED=1.0
 LIBUDEV_REQUIRED=151
 GLPROTO_REQUIRED=1.4.14
 LIBOMXIL_BELLAGIO_REQUIRED=0.0
 DRI2PROTO_REQUIRED=2.6
 DRI3PROTO_REQUIRED=1.0
 PRESENTPROTO_REQUIRED=1.0
 LIBUDEV_REQUIRED=151
 GLPROTO_REQUIRED=1.4.14
 LIBOMXIL_BELLAGIO_REQUIRED=0.0
-LIBVA_REQUIRED=0.35.0
-VDPAU_REQUIRED=0.4.1
+LIBVA_REQUIRED=0.38.0
+VDPAU_REQUIRED=1.1
 WAYLAND_REQUIRED=1.2.0
 XCB_REQUIRED=1.9.3
 XCBDRI2_REQUIRED=1.8
 WAYLAND_REQUIRED=1.2.0
 XCB_REQUIRED=1.9.3
 XCBDRI2_REQUIRED=1.8
@@ -95,7 +98,7 @@ AC_PROG_CXX
 AM_PROG_CC_C_O
 AM_PROG_AS
 AX_CHECK_GNU_MAKE
 AM_PROG_CC_C_O
 AM_PROG_AS
 AX_CHECK_GNU_MAKE
-AC_CHECK_PROGS([PYTHON2], [python2 python])
+AC_CHECK_PROGS([PYTHON2], [python2.7 python2 python])
 AC_PROG_SED
 AC_PROG_MKDIR_P
 
 AC_PROG_SED
 AC_PROG_MKDIR_P
 
@@ -104,6 +107,8 @@ AC_SYS_LARGEFILE
 LT_PREREQ([2.2])
 LT_INIT([disable-static])
 
 LT_PREREQ([2.2])
 LT_INIT([disable-static])
 
+AC_CHECK_PROG(RM, rm, [rm -f])
+
 AX_PROG_BISON([],
               AS_IF([test ! -f "$srcdir/src/glsl/glcpp/glcpp-parse.c"],
                     [AC_MSG_ERROR([bison not found - unable to compile glcpp-parse.y])]))
 AX_PROG_BISON([],
               AS_IF([test ! -f "$srcdir/src/glsl/glcpp/glcpp-parse.c"],
                     [AC_MSG_ERROR([bison not found - unable to compile glcpp-parse.y])]))
@@ -192,6 +197,13 @@ if test "x$GCC" = xyes -a "x$acv_mesa_CLANG" = xno; then
     fi
 fi
 
     fi
 fi
 
+dnl We don't support building Mesa with Sun C compiler
+dnl https://bugs.freedesktop.org/show_bug.cgi?id=93189
+AC_CHECK_DECL([__SUNPRO_C], [SUNCC=yes], [SUNCC=no])
+if test "x$SUNCC" = xyes; then
+    AC_MSG_ERROR([Building with Sun C compiler is not supported, use GCC instead.])
+fi
+
 dnl Check for compiler builtins
 AX_GCC_BUILTIN([__builtin_bswap32])
 AX_GCC_BUILTIN([__builtin_bswap64])
 dnl Check for compiler builtins
 AX_GCC_BUILTIN([__builtin_bswap32])
 AX_GCC_BUILTIN([__builtin_bswap64])
@@ -205,11 +217,14 @@ AX_GCC_BUILTIN([__builtin_popcount])
 AX_GCC_BUILTIN([__builtin_popcountll])
 AX_GCC_BUILTIN([__builtin_unreachable])
 
 AX_GCC_BUILTIN([__builtin_popcountll])
 AX_GCC_BUILTIN([__builtin_unreachable])
 
+AX_GCC_FUNC_ATTRIBUTE([const])
 AX_GCC_FUNC_ATTRIBUTE([flatten])
 AX_GCC_FUNC_ATTRIBUTE([format])
 AX_GCC_FUNC_ATTRIBUTE([malloc])
 AX_GCC_FUNC_ATTRIBUTE([packed])
 AX_GCC_FUNC_ATTRIBUTE([flatten])
 AX_GCC_FUNC_ATTRIBUTE([format])
 AX_GCC_FUNC_ATTRIBUTE([malloc])
 AX_GCC_FUNC_ATTRIBUTE([packed])
+AX_GCC_FUNC_ATTRIBUTE([pure])
 AX_GCC_FUNC_ATTRIBUTE([unused])
 AX_GCC_FUNC_ATTRIBUTE([unused])
+AX_GCC_FUNC_ATTRIBUTE([warn_unused_result])
 
 AM_CONDITIONAL([GEN_ASM_OFFSETS], test "x$GEN_ASM_OFFSETS" = xyes)
 
 
 AM_CONDITIONAL([GEN_ASM_OFFSETS], test "x$GEN_ASM_OFFSETS" = xyes)
 
@@ -230,7 +245,7 @@ _SAVE_LDFLAGS="$LDFLAGS"
 _SAVE_CPPFLAGS="$CPPFLAGS"
 
 dnl Compiler macros
 _SAVE_CPPFLAGS="$CPPFLAGS"
 
 dnl Compiler macros
-DEFINES=""
+DEFINES="-D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS"
 AC_SUBST([DEFINES])
 case "$host_os" in
 linux*|*-gnu*|gnu*)
 AC_SUBST([DEFINES])
 case "$host_os" in
 linux*|*-gnu*|gnu*)
@@ -281,14 +296,16 @@ if test "x$GCC" = xyes; then
     # Work around aliasing bugs - developers should comment this out
     CFLAGS="$CFLAGS -fno-strict-aliasing"
 
     # Work around aliasing bugs - developers should comment this out
     CFLAGS="$CFLAGS -fno-strict-aliasing"
 
+    # We don't want floating-point math functions to set errno or trap
+    CFLAGS="$CFLAGS -fno-math-errno -fno-trapping-math"
+
     # gcc's builtin memcmp is slower than glibc's
     # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43052
     CFLAGS="$CFLAGS -fno-builtin-memcmp"
 
     # Flags to help ensure that certain portions of the code -- and only those
     # portions -- can be built with MSVC:
     # gcc's builtin memcmp is slower than glibc's
     # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43052
     CFLAGS="$CFLAGS -fno-builtin-memcmp"
 
     # Flags to help ensure that certain portions of the code -- and only those
     # portions -- can be built with MSVC:
-    # - src/util, src/gallium/auxiliary, and src/gallium/drivers/llvmpipe needs
-    #   to build with Windows SDK 7.0.7600, which bundles MSVC 2008
+    # - src/util, src/gallium/auxiliary, rc/gallium/drivers/llvmpipe, and
     # - non-Linux/Posix OpenGL portions needs to build on MSVC 2013 (which
     #   supports most of C99)
     # - the rest has no compiler compiler restrictions
     # - non-Linux/Posix OpenGL portions needs to build on MSVC 2013 (which
     #   supports most of C99)
     # - the rest has no compiler compiler restrictions
@@ -305,9 +322,6 @@ if test "x$GCC" = xyes; then
                    AC_MSG_RESULT([yes])],
                    AC_MSG_RESULT([no]));
     CFLAGS="$save_CFLAGS"
                    AC_MSG_RESULT([yes])],
                    AC_MSG_RESULT([no]));
     CFLAGS="$save_CFLAGS"
-
-    MSVC2008_COMPAT_CFLAGS="$MSVC2013_COMPAT_CFLAGS -Werror=declaration-after-statement"
-    MSVC2008_COMPAT_CXXFLAGS="$MSVC2013_COMPAT_CXXFLAGS"
 fi
 if test "x$GXX" = xyes; then
     CXXFLAGS="$CXXFLAGS -Wall"
 fi
 if test "x$GXX" = xyes; then
     CXXFLAGS="$CXXFLAGS -Wall"
@@ -335,8 +349,6 @@ fi
 
 AC_SUBST([MSVC2013_COMPAT_CFLAGS])
 AC_SUBST([MSVC2013_COMPAT_CXXFLAGS])
 
 AC_SUBST([MSVC2013_COMPAT_CFLAGS])
 AC_SUBST([MSVC2013_COMPAT_CXXFLAGS])
-AC_SUBST([MSVC2008_COMPAT_CFLAGS])
-AC_SUBST([MSVC2008_COMPAT_CXXFLAGS])
 
 dnl even if the compiler appears to support it, using visibility attributes isn't
 dnl going to do anything useful currently on cygwin apart from emit lots of warnings
 
 dnl even if the compiler appears to support it, using visibility attributes isn't
 dnl going to do anything useful currently on cygwin apart from emit lots of warnings
@@ -365,10 +377,11 @@ save_CFLAGS="$CFLAGS"
 CFLAGS="$SSE41_CFLAGS $CFLAGS"
 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
 #include <smmintrin.h>
 CFLAGS="$SSE41_CFLAGS $CFLAGS"
 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
 #include <smmintrin.h>
+int param;
 int main () {
 int main () {
-    __m128i a = _mm_set1_epi32 (0), b = _mm_set1_epi32 (0), c;
+    __m128i a = _mm_set1_epi32 (param), b = _mm_set1_epi32 (param + 1), c;
     c = _mm_max_epu32(a, b);
     c = _mm_max_epu32(a, b);
-    return 0;
+    return _mm_cvtsi128_si32(c);
 }]])], SSE41_SUPPORTED=1)
 CFLAGS="$save_CFLAGS"
 if test "x$SSE41_SUPPORTED" = x1; then
 }]])], SSE41_SUPPORTED=1)
 CFLAGS="$save_CFLAGS"
 if test "x$SSE41_SUPPORTED" = x1; then
@@ -377,6 +390,61 @@ fi
 AM_CONDITIONAL([SSE41_SUPPORTED], [test x$SSE41_SUPPORTED = x1])
 AC_SUBST([SSE41_CFLAGS], $SSE41_CFLAGS)
 
 AM_CONDITIONAL([SSE41_SUPPORTED], [test x$SSE41_SUPPORTED = x1])
 AC_SUBST([SSE41_CFLAGS], $SSE41_CFLAGS)
 
+dnl Check for Endianness
+AC_C_BIGENDIAN(
+   little_endian=no,
+   little_endian=yes,
+   little_endian=no,
+   little_endian=no
+)
+
+dnl Check for POWER8 Architecture
+PWR8_CFLAGS="-mpower8-vector"
+have_pwr8_intrinsics=no
+AC_MSG_CHECKING(whether gcc supports -mpower8-vector)
+save_CFLAGS=$CFLAGS
+CFLAGS="$PWR8_CFLAGS $CFLAGS"
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+#if defined(__GNUC__) && (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8))
+#error "Need GCC >= 4.8 for sane POWER8 support"
+#endif
+#include <altivec.h>
+int main () {
+    vector unsigned char r;
+    vector unsigned int v = vec_splat_u32 (1);
+    r = __builtin_vec_vgbbd ((vector unsigned char) v);
+    return 0;
+}]])], have_pwr8_intrinsics=yes)
+CFLAGS=$save_CFLAGS
+
+AC_ARG_ENABLE(pwr8,
+   [AC_HELP_STRING([--disable-pwr8-inst],
+                   [disable POWER8-specific instructions])],
+   [enable_pwr8=$enableval], [enable_pwr8=auto])
+
+if test "x$enable_pwr8" = xno ; then
+   have_pwr8_intrinsics=disabled
+fi
+
+if test $have_pwr8_intrinsics = yes && test $little_endian = yes ; then
+   DEFINES="$DEFINES -D_ARCH_PWR8"
+   CXXFLAGS="$CXXFLAGS $PWR8_CFLAGS"
+   CFLAGS="$CFLAGS $PWR8_CFLAGS"
+else
+   PWR8_CFLAGS=
+fi
+
+AC_MSG_RESULT($have_pwr8_intrinsics)
+if test "x$enable_pwr8" = xyes && test $have_pwr8_intrinsics = no ; then
+   AC_MSG_ERROR([POWER8 compiler support not detected])
+fi
+
+if test $have_pwr8_intrinsics = yes && test $little_endian = no ; then
+   AC_MSG_WARN([POWER8 optimization is enabled only on POWER8 Little-Endian])
+fi
+
+AC_SUBST([PWR8_CFLAGS], $PWR8_CFLAGS)
+
 dnl Can't have static and shared libraries, default to static if user
 dnl explicitly requested. If both disabled, set to static since shared
 dnl was explicitly requested.
 dnl Can't have static and shared libraries, default to static if user
 dnl explicitly requested. If both disabled, set to static since shared
 dnl was explicitly requested.
@@ -402,8 +470,29 @@ AC_ARG_ENABLE([debug],
     [enable_debug="$enableval"],
     [enable_debug=no]
 )
     [enable_debug="$enableval"],
     [enable_debug=no]
 )
+
+AC_ARG_ENABLE([profile],
+    [AS_HELP_STRING([--enable-profile],
+        [enable profiling of code @<:@default=disabled@:>@])],
+    [enable_profile="$enableval"],
+    [enable_profile=no]
+)
+
+if test "x$enable_profile" = xyes; then
+    DEFINES="$DEFINES -DPROFILE"
+    if test "x$GCC" = xyes; then
+        CFLAGS="$CFLAGS -fno-omit-frame-pointer"
+    fi
+    if test "x$GXX" = xyes; then
+        CXXFLAGS="$CXXFLAGS -fno-omit-frame-pointer"
+    fi
+fi
+
 if test "x$enable_debug" = xyes; then
     DEFINES="$DEFINES -DDEBUG"
 if test "x$enable_debug" = xyes; then
     DEFINES="$DEFINES -DDEBUG"
+    if test "x$enable_profile" = xyes; then
+        AC_MSG_WARN([Debug and Profile are enabled at the same time])
+    fi
     if test "x$GCC" = xyes; then
         if ! echo "$CFLAGS" | grep -q -e '-g'; then
             CFLAGS="$CFLAGS -g"
     if test "x$GCC" = xyes; then
         if ! echo "$CFLAGS" | grep -q -e '-g'; then
             CFLAGS="$CFLAGS -g"
@@ -524,15 +613,32 @@ AM_CONDITIONAL(HAVE_COMPAT_SYMLINKS, test "x$HAVE_COMPAT_SYMLINKS" = xyes)
 dnl
 dnl library names
 dnl
 dnl
 dnl library names
 dnl
+dnl Unfortunately we need to do a few things that libtool can't help us with,
+dnl so we need some knowledge of shared library filenames:
+dnl
+dnl LIB_EXT is the extension used when creating symlinks for alternate
+dnl filenames for a shared library which will be dynamically loaded
+dnl
+dnl IMP_LIB_EXT is the extension used when checking for the presence of a
+dnl the file for a shared library we wish to link with
+dnl
 case "$host_os" in
 darwin* )
 case "$host_os" in
 darwin* )
-    LIB_EXT='dylib' ;;
+    LIB_EXT='dylib'
+    IMP_LIB_EXT=$LIB_EXT
+    ;;
 cygwin* )
 cygwin* )
-    LIB_EXT='dll' ;;
+    LIB_EXT='dll'
+    IMP_LIB_EXT='dll.a'
+    ;;
 aix* )
 aix* )
-    LIB_EXT='a' ;;
+    LIB_EXT='a'
+    IMP_LIB_EXT=$LIB_EXT
+    ;;
 * )
 * )
-    LIB_EXT='so' ;;
+    LIB_EXT='so'
+    IMP_LIB_EXT=$LIB_EXT
+    ;;
 esac
 
 AC_SUBST([LIB_EXT])
 esac
 
 AC_SUBST([LIB_EXT])
@@ -651,6 +757,7 @@ fi
 AC_CHECK_HEADER([xlocale.h], [DEFINES="$DEFINES -DHAVE_XLOCALE_H"])
 AC_CHECK_HEADER([sys/sysctl.h], [DEFINES="$DEFINES -DHAVE_SYS_SYSCTL_H"])
 AC_CHECK_FUNC([strtof], [DEFINES="$DEFINES -DHAVE_STRTOF"])
 AC_CHECK_HEADER([xlocale.h], [DEFINES="$DEFINES -DHAVE_XLOCALE_H"])
 AC_CHECK_HEADER([sys/sysctl.h], [DEFINES="$DEFINES -DHAVE_SYS_SYSCTL_H"])
 AC_CHECK_FUNC([strtof], [DEFINES="$DEFINES -DHAVE_STRTOF"])
+AC_CHECK_FUNC([mkostemp], [DEFINES="$DEFINES -DHAVE_MKOSTEMP"])
 
 dnl Check to see if dlopen is in default libraries (like Solaris, which
 dnl has it in libc), or if libdl is needed to get it.
 
 dnl Check to see if dlopen is in default libraries (like Solaris, which
 dnl has it in libc), or if libdl is needed to get it.
@@ -738,6 +845,11 @@ linux*)
     dri3_default=no
     ;;
 esac
     dri3_default=no
     ;;
 esac
+
+if test "x$enable_dri" = xno; then
+    dri3_default=no
+fi
+
 AC_ARG_ENABLE([dri3],
     [AS_HELP_STRING([--enable-dri3],
         [enable DRI3 @<:@default=auto@:>@])],
 AC_ARG_ENABLE([dri3],
     [AS_HELP_STRING([--enable-dri3],
         [enable DRI3 @<:@default=auto@:>@])],
@@ -837,7 +949,7 @@ GALLIUM_DRIVERS_DEFAULT="r300,r600,svga,swrast"
 AC_ARG_WITH([gallium-drivers],
     [AS_HELP_STRING([--with-gallium-drivers@<:@=DIRS...@:>@],
         [comma delimited Gallium drivers list, e.g.
 AC_ARG_WITH([gallium-drivers],
     [AS_HELP_STRING([--with-gallium-drivers@<:@=DIRS...@:>@],
         [comma delimited Gallium drivers list, e.g.
-        "i915,ilo,nouveau,r300,r600,radeonsi,freedreno,svga,swrast,vc4"
+        "i915,ilo,nouveau,r300,r600,radeonsi,freedreno,svga,swrast,vc4,virgl"
         @<:@default=r300,r600,svga,swrast@:>@])],
     [with_gallium_drivers="$withval"],
     [with_gallium_drivers="$GALLIUM_DRIVERS_DEFAULT"])
         @<:@default=r300,r600,svga,swrast@:>@])],
     [with_gallium_drivers="$withval"],
     [with_gallium_drivers="$GALLIUM_DRIVERS_DEFAULT"])
@@ -910,6 +1022,13 @@ fi
 AM_CONDITIONAL(HAVE_DRI_GLX, test "x$enable_glx" = xyes -a \
                                   "x$enable_dri" = xyes)
 
 AM_CONDITIONAL(HAVE_DRI_GLX, test "x$enable_glx" = xyes -a \
                                   "x$enable_dri" = xyes)
 
+# Check for libdrm
+PKG_CHECK_MODULES([LIBDRM], [libdrm >= $LIBDRM_REQUIRED],
+                  [have_libdrm=yes], [have_libdrm=no])
+if test "x$have_libdrm" = xyes; then
+       DEFINES="$DEFINES -DHAVE_LIBDRM"
+fi
+
 # Select which platform-dependent DRI code gets built
 case "$host_os" in
 darwin*)
 # Select which platform-dependent DRI code gets built
 case "$host_os" in
 darwin*)
@@ -920,10 +1039,15 @@ gnu*|cygwin*)
     dri_platform='drm' ;;
 esac
 
     dri_platform='drm' ;;
 esac
 
+if test "x$enable_dri" = xyes -a "x$dri_platform" = xdrm -a "x$have_libdrm" = xyes; then
+    have_drisw_kms='yes'
+fi
+
 AM_CONDITIONAL(HAVE_DRICOMMON, test "x$enable_dri" = xyes )
 AM_CONDITIONAL(HAVE_DRISW, test "x$enable_dri" = xyes )
 AM_CONDITIONAL(HAVE_DRICOMMON, test "x$enable_dri" = xyes )
 AM_CONDITIONAL(HAVE_DRISW, test "x$enable_dri" = xyes )
-AM_CONDITIONAL(HAVE_DRI2, test "x$enable_dri" = xyes -a "x$dri_platform" = xdrm )
-AM_CONDITIONAL(HAVE_DRI3, test "x$enable_dri3" = xyes -a "x$dri_platform" = xdrm )
+AM_CONDITIONAL(HAVE_DRISW_KMS, test "x$have_drisw_kms" = xyes )
+AM_CONDITIONAL(HAVE_DRI2, test "x$enable_dri" = xyes -a "x$dri_platform" = xdrm -a "x$have_libdrm" = xyes )
+AM_CONDITIONAL(HAVE_DRI3, test "x$enable_dri3" = xyes -a "x$dri_platform" = xdrm -a "x$have_libdrm" = xyes )
 AM_CONDITIONAL(HAVE_APPLEDRI, test "x$enable_dri" = xyes -a "x$dri_platform" = xapple )
 
 AC_ARG_ENABLE([shared-glapi],
 AM_CONDITIONAL(HAVE_APPLEDRI, test "x$enable_dri" = xyes -a "x$dri_platform" = xapple )
 
 AC_ARG_ENABLE([shared-glapi],
@@ -941,12 +1065,6 @@ x*yes*yes*)
     ;;
 esac
 
     ;;
 esac
 
-# Building Xlib-GLX requires shared glapi to be disabled.
-if test "x$enable_xlib_glx" = xyes; then
-    AC_MSG_NOTICE([Shared GLAPI should not used with Xlib-GLX, disabling])
-    enable_shared_glapi=no
-fi
-
 AM_CONDITIONAL(HAVE_SHARED_GLAPI, test "x$enable_shared_glapi" = xyes)
 
 # Build the pipe-drivers as separate libraries/modules.
 AM_CONDITIONAL(HAVE_SHARED_GLAPI, test "x$enable_shared_glapi" = xyes)
 
 # Build the pipe-drivers as separate libraries/modules.
@@ -958,14 +1076,8 @@ dnl
 dnl Driver specific build directories
 dnl
 
 dnl Driver specific build directories
 dnl
 
-case "x$enable_glx$enable_xlib_glx" in
-xyesyes)
+if test -n "$with_gallium_drivers" -a "x$enable_glx$enable_xlib_glx" = xyesyes; then
     NEED_WINSYS_XLIB="yes"
     NEED_WINSYS_XLIB="yes"
-    ;;
-esac
-
-if test "x$enable_dri" = xyes; then
-    enable_gallium_loader="$enable_shared_pipe_drivers"
 fi
 
 if test "x$enable_gallium_osmesa" = xyes; then
 fi
 
 if test "x$enable_gallium_osmesa" = xyes; then
@@ -1101,6 +1213,11 @@ AC_MSG_RESULT([$with_sha1])
 AC_SUBST(SHA1_LIBS)
 AC_SUBST(SHA1_CFLAGS)
 
 AC_SUBST(SHA1_LIBS)
 AC_SUBST(SHA1_CFLAGS)
 
+# Enable a define for SHA1
+if test "x$with_sha1" != "x"; then
+       DEFINES="$DEFINES -DHAVE_SHA1"
+fi
+
 # Allow user to configure out the shader-cache feature
 AC_ARG_ENABLE([shader-cache],
     AS_HELP_STRING([--disable-shader-cache], [Disable binary shader cache]),
 # Allow user to configure out the shader-cache feature
 AC_ARG_ENABLE([shader-cache],
     AS_HELP_STRING([--disable-shader-cache], [Disable binary shader cache]),
@@ -1117,13 +1234,6 @@ if test "x$with_sha1" = "x"; then
 fi
 AM_CONDITIONAL([ENABLE_SHADER_CACHE], [test x$enable_shader_cache = xyes])
 
 fi
 AM_CONDITIONAL([ENABLE_SHADER_CACHE], [test x$enable_shader_cache = xyes])
 
-# Check for libdrm
-PKG_CHECK_MODULES([LIBDRM], [libdrm >= $LIBDRM_REQUIRED],
-                  [have_libdrm=yes], [have_libdrm=no])
-if test "x$have_libdrm" = xyes; then
-       DEFINES="$DEFINES -DHAVE_LIBDRM"
-fi
-
 case "$host_os" in
 linux*)
     need_pci_id=yes ;;
 case "$host_os" in
 linux*)
     need_pci_id=yes ;;
@@ -1200,7 +1310,8 @@ xyesno)
 
             if test x"$enable_dri3" = xyes; then
                PKG_CHECK_EXISTS([xcb >= $XCB_REQUIRED], [], AC_MSG_ERROR([DRI3 requires xcb >= $XCB_REQUIRED]))
 
             if test x"$enable_dri3" = xyes; then
                PKG_CHECK_EXISTS([xcb >= $XCB_REQUIRED], [], AC_MSG_ERROR([DRI3 requires xcb >= $XCB_REQUIRED]))
-               dri_modules="$dri_modules xcb-dri3 xcb-present xcb-sync xshmfence >= $XSHMFENCE_REQUIRED"
+               dri3_modules="xcb-dri3 xcb-present xcb-sync xshmfence >= $XSHMFENCE_REQUIRED"
+               PKG_CHECK_MODULES([XCB_DRI3], [$dri3_modules])
             fi
         fi
         if test x"$dri_platform" = xapple ; then
             fi
         fi
         if test x"$dri_platform" = xapple ; then
@@ -1287,6 +1398,16 @@ AC_SUBST(GLX_TLS, ${GLX_USE_TLS})
 AS_IF([test "x$GLX_USE_TLS" = xyes -a "x$ax_pthread_ok" = xyes],
       [DEFINES="${DEFINES} -DGLX_USE_TLS"])
 
 AS_IF([test "x$GLX_USE_TLS" = xyes -a "x$ax_pthread_ok" = xyes],
       [DEFINES="${DEFINES} -DGLX_USE_TLS"])
 
+dnl Read-only text section on x86 hardened platforms
+AC_ARG_ENABLE([glx-read-only-text],
+    [AS_HELP_STRING([--enable-glx-read-only-text],
+        [Disable writable .text section on x86 (decreases performance) @<:@default=disabled@:>@])],
+    [enable_glx_read_only_text="$enableval"],
+    [enable_glx_read_only_text=no])
+if test "x$enable_glx_read_only_text" = xyes; then
+    DEFINES="$DEFINES -DGLX_X86_READONLY_TEXT"
+fi
+
 dnl
 dnl More DRI setup
 dnl
 dnl
 dnl More DRI setup
 dnl
@@ -1359,7 +1480,7 @@ if test "x$enable_dri" = xyes; then
         fi
         ;;
     darwin*)
         fi
         ;;
     darwin*)
-        DEFINES="$DEFINES -DGLX_ALIAS_UNSUPPORTED"
+        DEFINES="$DEFINES -DGLX_ALIAS_UNSUPPORTED -DBUILDING_MESA"
         if test "x$with_dri_drivers" = "xyes"; then
             with_dri_drivers="swrast"
         fi
         if test "x$with_dri_drivers" = "xyes"; then
             with_dri_drivers="swrast"
         fi
@@ -1380,26 +1501,6 @@ if test "x$enable_dri" = xyes; then
                      [AC_MSG_ERROR([Expat library required for DRI not found])])
          EXPAT_LIBS="-lexpat"])
 
                      [AC_MSG_ERROR([Expat library required for DRI not found])])
          EXPAT_LIBS="-lexpat"])
 
-    DRICOMMON_NEED_LIBDRM=no
-    # If we are building any DRI driver other than swrast.
-    if test -n "$with_dri_drivers"; then
-        if test "x$with_dri_drivers" != xswrast; then
-            # ... libdrm is required
-            if test "x$have_libdrm" != xyes; then
-                AC_MSG_ERROR([DRI drivers requires libdrm >= $LIBDRM_REQUIRED])
-            fi
-            DRICOMMON_NEED_LIBDRM=yes
-        fi
-    fi
-
-    # If we're building any gallium DRI driver other than swrast
-    if test -n "$with_gallium_drivers" -a "x$DRICOMMON_NEED_LIBDRM" = xno; then
-        if test "x$with_gallium_drivers" != xswrast; then
-            # ... build a libdrm aware dricommon
-            DRICOMMON_NEED_LIBDRM=yes
-        fi
-    fi
-
     # put all the necessary libs together
     DRI_LIB_DEPS="$DRI_LIB_DEPS $SELINUX_LIBS $LIBDRM_LIBS $EXPAT_LIBS -lm $PTHREAD_LIBS $DLOPEN_LIBS"
 fi
     # put all the necessary libs together
     DRI_LIB_DEPS="$DRI_LIB_DEPS $SELINUX_LIBS $LIBDRM_LIBS $EXPAT_LIBS -lm $PTHREAD_LIBS $DLOPEN_LIBS"
 fi
@@ -1427,7 +1528,7 @@ if test -n "$with_dri_drivers"; then
             ;;
         xnouveau)
             HAVE_NOUVEAU_DRI=yes;
             ;;
         xnouveau)
             HAVE_NOUVEAU_DRI=yes;
-            PKG_CHECK_MODULES([NOUVEAU], [libdrm_nouveau >= $LIBDRM_NVVIEUX_REQUIRED])
+            PKG_CHECK_MODULES([NVVIEUX], [libdrm_nouveau >= $LIBDRM_NVVIEUX_REQUIRED])
             ;;
         xradeon)
             HAVE_RADEON_DRI=yes;
             ;;
         xradeon)
             HAVE_RADEON_DRI=yes;
@@ -1513,7 +1614,6 @@ if test "x$enable_gbm" = xyes; then
     fi
 
     if test "x$enable_dri" = xyes; then
     fi
 
     if test "x$enable_dri" = xyes; then
-        GBM_BACKEND_DIRS="$GBM_BACKEND_DIRS dri"
         if test "x$enable_shared_glapi" = xno; then
             AC_MSG_ERROR([gbm_dri requires --enable-shared-glapi])
         fi
         if test "x$enable_shared_glapi" = xno; then
             AC_MSG_ERROR([gbm_dri requires --enable-shared-glapi])
         fi
@@ -1548,14 +1648,29 @@ if test "x$enable_egl" = xyes; then
 
     if test "$enable_static" != yes; then
         if test "x$enable_dri" = xyes; then
 
     if test "$enable_static" != yes; then
         if test "x$enable_dri" = xyes; then
-           HAVE_EGL_DRIVER_DRI2=1
-       fi
+            HAVE_EGL_DRIVER_DRI2=1
+            if test "x$enable_shared_glapi" = xno; then
+                AC_MSG_ERROR([egl_dri2 requires --enable-shared-glapi])
+            fi
+            if test "x$enable_dri3" = xyes; then
+                HAVE_EGL_DRIVER_DRI3=1
+                if test "x$enable_shared_glapi" = xno; then
+                    AC_MSG_ERROR([egl_dri3 requires --enable-shared-glapi])
+                fi
+            fi
+        else
+            # Avoid building an "empty" libEGL. Drop/update this
+            # when other backends (haiku?) come along.
+            AC_MSG_ERROR([egl requires --enable-dri])
+        fi
 
     fi
 fi
 AM_CONDITIONAL(HAVE_EGL, test "x$enable_egl" = xyes)
 AC_SUBST([EGL_LIB_DEPS])
 
 
     fi
 fi
 AM_CONDITIONAL(HAVE_EGL, test "x$enable_egl" = xyes)
 AC_SUBST([EGL_LIB_DEPS])
 
+gallium_st="mesa"
+
 dnl
 dnl XA configuration
 dnl
 dnl
 dnl XA configuration
 dnl
@@ -1568,7 +1683,7 @@ if test "x$enable_xa" = xyes; then
           enabling XA.
           Example: ./configure --enable-xa --with-gallium-drivers=svga...])
     fi
           enabling XA.
           Example: ./configure --enable-xa --with-gallium-drivers=svga...])
     fi
-    enable_gallium_loader=$enable_shared_pipe_drivers
+    gallium_st="$gallium_st xa"
 fi
 AM_CONDITIONAL(HAVE_ST_XA, test "x$enable_xa" = xyes)
 
 fi
 AM_CONDITIONAL(HAVE_ST_XA, test "x$enable_xa" = xyes)
 
@@ -1613,25 +1728,25 @@ AM_CONDITIONAL(NEED_GALLIUM_VL_WINSYS, test "x$need_gallium_vl_winsys" = xyes)
 
 if test "x$enable_xvmc" = xyes; then
     PKG_CHECK_MODULES([XVMC], [xvmc >= $XVMC_REQUIRED])
 
 if test "x$enable_xvmc" = xyes; then
     PKG_CHECK_MODULES([XVMC], [xvmc >= $XVMC_REQUIRED])
-    enable_gallium_loader=$enable_shared_pipe_drivers
+    gallium_st="$gallium_st xvmc"
 fi
 AM_CONDITIONAL(HAVE_ST_XVMC, test "x$enable_xvmc" = xyes)
 
 if test "x$enable_vdpau" = xyes; then
     PKG_CHECK_MODULES([VDPAU], [vdpau >= $VDPAU_REQUIRED])
 fi
 AM_CONDITIONAL(HAVE_ST_XVMC, test "x$enable_xvmc" = xyes)
 
 if test "x$enable_vdpau" = xyes; then
     PKG_CHECK_MODULES([VDPAU], [vdpau >= $VDPAU_REQUIRED])
-    enable_gallium_loader=$enable_shared_pipe_drivers
+    gallium_st="$gallium_st vdpau"
 fi
 AM_CONDITIONAL(HAVE_ST_VDPAU, test "x$enable_vdpau" = xyes)
 
 if test "x$enable_omx" = xyes; then
     PKG_CHECK_MODULES([OMX], [libomxil-bellagio >= $LIBOMXIL_BELLAGIO_REQUIRED])
 fi
 AM_CONDITIONAL(HAVE_ST_VDPAU, test "x$enable_vdpau" = xyes)
 
 if test "x$enable_omx" = xyes; then
     PKG_CHECK_MODULES([OMX], [libomxil-bellagio >= $LIBOMXIL_BELLAGIO_REQUIRED])
-    enable_gallium_loader=$enable_shared_pipe_drivers
+    gallium_st="$gallium_st omx"
 fi
 AM_CONDITIONAL(HAVE_ST_OMX, test "x$enable_omx" = xyes)
 
 if test "x$enable_va" = xyes; then
     PKG_CHECK_MODULES([VA], [libva >= $LIBVA_REQUIRED])
 fi
 AM_CONDITIONAL(HAVE_ST_OMX, test "x$enable_omx" = xyes)
 
 if test "x$enable_va" = xyes; then
     PKG_CHECK_MODULES([VA], [libva >= $LIBVA_REQUIRED])
-    enable_gallium_loader=$enable_shared_pipe_drivers
+    gallium_st="$gallium_st va"
 fi
 AM_CONDITIONAL(HAVE_ST_VA, test "x$enable_va" = xyes)
 
 fi
 AM_CONDITIONAL(HAVE_ST_VA, test "x$enable_va" = xyes)
 
@@ -1645,11 +1760,15 @@ if test "x$enable_nine" = xyes; then
     if test "x$with_gallium_drivers" = xswrast; then
         AC_MSG_ERROR([nine requires at least one non-swrast gallium driver])
     fi
     if test "x$with_gallium_drivers" = xswrast; then
         AC_MSG_ERROR([nine requires at least one non-swrast gallium driver])
     fi
+    if test $GCC_VERSION_MAJOR -lt 4 -o $GCC_VERSION_MAJOR -eq 4 -a $GCC_VERSION_MINOR -lt 6; then
+        AC_MSG_ERROR([gcc >= 4.6 is required to build nine])
+    fi
+
     if test "x$enable_dri3" = xno; then
         AC_MSG_WARN([using nine together with wine requires DRI3 enabled system])
     fi
 
     if test "x$enable_dri3" = xno; then
         AC_MSG_WARN([using nine together with wine requires DRI3 enabled system])
     fi
 
-    enable_gallium_loader=$enable_shared_pipe_drivers
+    gallium_st="$gallium_st nine"
 fi
 AM_CONDITIONAL(HAVE_ST_NINE, test "x$enable_nine" = xyes)
 
 fi
 AM_CONDITIONAL(HAVE_ST_NINE, test "x$enable_nine" = xyes)
 
@@ -1664,7 +1783,15 @@ AC_ARG_WITH([clang-libdir],
    [CLANG_LIBDIR=''])
 
 PKG_CHECK_EXISTS([libclc], [have_libclc=yes], [have_libclc=no])
    [CLANG_LIBDIR=''])
 
 PKG_CHECK_EXISTS([libclc], [have_libclc=yes], [have_libclc=no])
-AC_CHECK_LIB([elf], [elf_memory], [have_libelf=yes;ELF_LIB=-lelf])
+PKG_CHECK_MODULES([LIBELF], [libelf], [have_libelf=yes], [have_libelf=no])
+
+if test "x$have_libelf" = xno; then
+   LIBELF_LIBS=''
+   LIBELF_CFLAGS=''
+   AC_CHECK_LIB([elf], [elf_memory], [have_libelf=yes;LIBELF_LIBS=-lelf], [have_libelf=no])
+   AC_SUBST([LIBELF_LIBS])
+   AC_SUBST([LIBELF_CFLAGS])
+fi
 
 if test "x$enable_opencl" = xyes; then
     if test -z "$with_gallium_drivers"; then
 
 if test "x$enable_opencl" = xyes; then
     if test -z "$with_gallium_drivers"; then
@@ -1687,8 +1814,7 @@ if test "x$enable_opencl" = xyes; then
         AC_SUBST([LIBCLC_LIBEXECDIR])
     fi
 
         AC_SUBST([LIBCLC_LIBEXECDIR])
     fi
 
-    # XXX: Use $enable_shared_pipe_drivers once converted to use static/shared pipe-drivers
-    enable_gallium_loader=yes
+    gallium_st="$gallium_st clover"
 
     if test "x$enable_opencl_icd" = xyes; then
         OPENCL_LIBNAME="MesaOpenCL"
 
     if test "x$enable_opencl_icd" = xyes; then
         OPENCL_LIBNAME="MesaOpenCL"
@@ -1759,6 +1885,9 @@ egl_platforms=`IFS=', '; echo $with_egl_platforms`
 for plat in $egl_platforms; do
        case "$plat" in
        wayland)
 for plat in $egl_platforms; do
        case "$plat" in
        wayland)
+               test "x$have_libdrm" != xyes &&
+                       AC_MSG_ERROR([EGL platform wayland requires libdrm >= $LIBDRM_REQUIRED])
+
                PKG_CHECK_MODULES([WAYLAND], [wayland-client >= $WAYLAND_REQUIRED wayland-server >= $WAYLAND_REQUIRED])
 
                if test "x$WAYLAND_SCANNER" = x; then
                PKG_CHECK_MODULES([WAYLAND], [wayland-client >= $WAYLAND_REQUIRED wayland-server >= $WAYLAND_REQUIRED])
 
                if test "x$WAYLAND_SCANNER" = x; then
@@ -1777,7 +1906,9 @@ for plat in $egl_platforms; do
                        AC_MSG_ERROR([EGL platform drm requires libdrm >= $LIBDRM_REQUIRED])
                ;;
 
                        AC_MSG_ERROR([EGL platform drm requires libdrm >= $LIBDRM_REQUIRED])
                ;;
 
-       android|gdi|null)
+       surfaceless)
+               test "x$have_libdrm" != xyes &&
+                       AC_MSG_ERROR([EGL platform surfaceless requires libdrm >= $LIBDRM_REQUIRED])
                ;;
 
        *)
                ;;
 
        *)
@@ -1800,12 +1931,10 @@ else
     EGL_NATIVE_PLATFORM="_EGL_INVALID_PLATFORM"
 fi
 
     EGL_NATIVE_PLATFORM="_EGL_INVALID_PLATFORM"
 fi
 
-if echo "$egl_platforms" | grep -q 'x11'; then
-    NEED_WINSYS_XLIB=yes
-fi
 AM_CONDITIONAL(HAVE_EGL_PLATFORM_X11, echo "$egl_platforms" | grep -q 'x11')
 AM_CONDITIONAL(HAVE_EGL_PLATFORM_WAYLAND, echo "$egl_platforms" | grep -q 'wayland')
 AM_CONDITIONAL(HAVE_EGL_PLATFORM_DRM, echo "$egl_platforms" | grep -q 'drm')
 AM_CONDITIONAL(HAVE_EGL_PLATFORM_X11, echo "$egl_platforms" | grep -q 'x11')
 AM_CONDITIONAL(HAVE_EGL_PLATFORM_WAYLAND, echo "$egl_platforms" | grep -q 'wayland')
 AM_CONDITIONAL(HAVE_EGL_PLATFORM_DRM, echo "$egl_platforms" | grep -q 'drm')
+AM_CONDITIONAL(HAVE_EGL_PLATFORM_SURFACELESS, echo "$egl_platforms" | grep -q 'surfaceless')
 AM_CONDITIONAL(HAVE_EGL_PLATFORM_NULL, echo "$egl_platforms" | grep -q 'null')
 
 AM_CONDITIONAL(HAVE_EGL_DRIVER_DRI2, test "x$HAVE_EGL_DRIVER_DRI2" != "x")
 AM_CONDITIONAL(HAVE_EGL_PLATFORM_NULL, echo "$egl_platforms" | grep -q 'null')
 
 AM_CONDITIONAL(HAVE_EGL_DRIVER_DRI2, test "x$HAVE_EGL_DRIVER_DRI2" != "x")
@@ -1965,10 +2094,6 @@ AC_SUBST([XVMC_LIB_INSTALL_DIR])
 dnl
 dnl Gallium Tests
 dnl
 dnl
 dnl Gallium Tests
 dnl
-if test "x$enable_gallium_tests" = xyes; then
-    # XXX: Use $enable_shared_pipe_drivers once converted to use static/shared pipe-drivers
-    enable_gallium_loader=yes
-fi
 AM_CONDITIONAL(HAVE_GALLIUM_TESTS, test "x$enable_gallium_tests" = xyes)
 
 dnl Directory for VDPAU libs
 AM_CONDITIONAL(HAVE_GALLIUM_TESTS, test "x$enable_gallium_tests" = xyes)
 
 dnl Directory for VDPAU libs
@@ -2023,18 +2148,17 @@ gallium_require_llvm() {
 }
 
 gallium_require_drm_loader() {
 }
 
 gallium_require_drm_loader() {
-    if test "x$enable_gallium_loader" = xyes; then
-        if test "x$need_pci_id$have_pci_id" = xyesno; then
-            AC_MSG_ERROR([Gallium drm loader requires libudev >= $LIBUDEV_REQUIRED or sysfs])
-        fi
-        enable_gallium_drm_loader=yes
-    fi
-    if test "x$enable_va" = xyes && test "x$7" != x; then
-         GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS $7"
+    if test "x$need_pci_id$have_pci_id" = xyesno; then
+        AC_MSG_ERROR([Gallium drm loader requires libudev >= $LIBUDEV_REQUIRED or sysfs])
     fi
 }
 
     fi
 }
 
+dnl This is for Glamor. Skip this if OpenGL is disabled.
 require_egl_drm() {
 require_egl_drm() {
+    if test "x$enable_opengl" = xno; then
+        return 0
+    fi
+
     case "$with_egl_platforms" in
         *drm*)
             ;;
     case "$with_egl_platforms" in
         *drm*)
             ;;
@@ -2056,7 +2180,7 @@ radeon_llvm_check() {
     if test "x$enable_gallium_llvm" != "xyes"; then
         AC_MSG_ERROR([--enable-gallium-llvm is required when building $1])
     fi
     if test "x$enable_gallium_llvm" != "xyes"; then
         AC_MSG_ERROR([--enable-gallium-llvm is required when building $1])
     fi
-    llvm_check_version_for "3" "4" "2" $1 
+    llvm_check_version_for "3" "6" "0" $1
     if test true && $LLVM_CONFIG --targets-built | grep -iqvw $amdgpu_llvm_target_name ; then
         AC_MSG_ERROR([LLVM $amdgpu_llvm_target_name not enabled in your LLVM build.])
     fi
     if test true && $LLVM_CONFIG --targets-built | grep -iqvw $amdgpu_llvm_target_name ; then
         AC_MSG_ERROR([LLVM $amdgpu_llvm_target_name not enabled in your LLVM build.])
     fi
@@ -2067,6 +2191,16 @@ radeon_llvm_check() {
     fi
 }
 
     fi
 }
 
+swr_llvm_check() {
+    gallium_require_llvm $1
+    if test ${LLVM_VERSION_INT} -lt 306; then
+        AC_MSG_ERROR([LLVM version 3.6 or later required when building $1])
+    fi
+    if test "x$enable_gallium_llvm" != "xyes"; then
+        AC_MSG_ERROR([--enable-gallium-llvm is required when building $1])
+    fi
+}
+
 dnl Duplicates in GALLIUM_DRIVERS_DIRS are removed by sorting it after this block
 if test -n "$with_gallium_drivers"; then
     gallium_drivers=`IFS=', '; echo $with_gallium_drivers`
 dnl Duplicates in GALLIUM_DRIVERS_DIRS are removed by sorting it after this block
 if test -n "$with_gallium_drivers"; then
     gallium_drivers=`IFS=', '; echo $with_gallium_drivers`
@@ -2115,6 +2249,7 @@ if test -n "$with_gallium_drivers"; then
         xradeonsi)
             HAVE_GALLIUM_RADEONSI=yes
             PKG_CHECK_MODULES([RADEON], [libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
         xradeonsi)
             HAVE_GALLIUM_RADEONSI=yes
             PKG_CHECK_MODULES([RADEON], [libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
+            PKG_CHECK_MODULES([AMDGPU], [libdrm_amdgpu >= $LIBDRM_AMDGPU_REQUIRED])
             gallium_require_drm "radeonsi"
             gallium_require_drm_loader
             radeon_llvm_check "radeonsi"
             gallium_require_drm "radeonsi"
             gallium_require_drm_loader
             radeon_llvm_check "radeonsi"
@@ -2138,16 +2273,45 @@ if test -n "$with_gallium_drivers"; then
                 HAVE_GALLIUM_LLVMPIPE=yes
             fi
             ;;
                 HAVE_GALLIUM_LLVMPIPE=yes
             fi
             ;;
+        xswr)
+            AX_CXX_COMPILE_STDCXX([11], [noext], [mandatory])
+            swr_llvm_check "swr"
+
+            AC_MSG_CHECKING([whether $CXX supports AVX/AVX2])
+            AVX_CXXFLAGS="-march=core-avx-i"
+            AVX2_CXXFLAGS="-march=core-avx2"
+
+            AC_LANG_PUSH([C++])
+            save_CXXFLAGS="$CXXFLAGS"
+            CXXFLAGS="$AVX_CXXFLAGS $CXXFLAGS"
+            AC_COMPILE_IFELSE([AC_LANG_PROGRAM()],[],
+                              [AC_MSG_ERROR([AVX compiler support not detected])])
+            CXXFLAGS="$save_CXXFLAGS"
+
+            save_CFLAGS="$CXXFLAGS"
+            CXXFLAGS="$AVX2_CXXFLAGS $CXXFLAGS"
+            AC_COMPILE_IFELSE([AC_LANG_PROGRAM()],[],
+                              [AC_MSG_ERROR([AVX2 compiler support not detected])])
+            CXXFLAGS="$save_CXXFLAGS"
+            AC_LANG_POP([C++])
+
+            HAVE_GALLIUM_SWR=yes
+            ;;
         xvc4)
             HAVE_GALLIUM_VC4=yes
             gallium_require_drm "vc4"
             gallium_require_drm_loader
 
         xvc4)
             HAVE_GALLIUM_VC4=yes
             gallium_require_drm "vc4"
             gallium_require_drm_loader
 
-            case "$host_cpu" in
-                i?86 | x86_64 | amd64)
-                USE_VC4_SIMULATOR=yes
-                ;;
-            esac
+            PKG_CHECK_MODULES([SIMPENROSE], [simpenrose],
+                              [USE_VC4_SIMULATOR=yes;
+                               DEFINES="$DEFINES -DUSE_VC4_SIMULATOR"],
+                              [USE_VC4_SIMULATOR=no])
+            ;;
+        xvirgl)
+            HAVE_GALLIUM_VIRGL=yes
+            gallium_require_drm "virgl"
+            gallium_require_drm_loader
+            require_egl_drm "virgl"
             ;;
         *)
             AC_MSG_ERROR([Unknown Gallium driver: $driver])
             ;;
         *)
             AC_MSG_ERROR([Unknown Gallium driver: $driver])
@@ -2165,12 +2329,19 @@ dnl in LLVM_LIBS.
 
 if test "x$MESA_LLVM" != x0; then
 
 
 if test "x$MESA_LLVM" != x0; then
 
+    if ! $LLVM_CONFIG --libs ${LLVM_COMPONENTS} >/dev/null; then
+       AC_MSG_ERROR([Calling ${LLVM_CONFIG} failed])
+    fi
     LLVM_LIBS="`$LLVM_CONFIG --libs ${LLVM_COMPONENTS}`"
 
     LLVM_LIBS="`$LLVM_CONFIG --libs ${LLVM_COMPONENTS}`"
 
+    dnl llvm-config may not give the right answer when llvm is a built as a
+    dnl single shared library, so we must work the library name out for
+    dnl ourselves.
+    dnl (See https://llvm.org/bugs/show_bug.cgi?id=6823)
     if test "x$enable_llvm_shared_libs" = xyes; then
         dnl We can't use $LLVM_VERSION because it has 'svn' stripped out,
         LLVM_SO_NAME=LLVM-`$LLVM_CONFIG --version`
     if test "x$enable_llvm_shared_libs" = xyes; then
         dnl We can't use $LLVM_VERSION because it has 'svn' stripped out,
         LLVM_SO_NAME=LLVM-`$LLVM_CONFIG --version`
-        AS_IF([test -f "$LLVM_LIBDIR/lib$LLVM_SO_NAME.so"], [llvm_have_one_so=yes])
+        AS_IF([test -f "$LLVM_LIBDIR/lib$LLVM_SO_NAME.$IMP_LIB_EXT"], [llvm_have_one_so=yes])
 
         if test "x$llvm_have_one_so" = xyes; then
             dnl LLVM was built using auto*, so there is only one shared object.
 
         if test "x$llvm_have_one_so" = xyes; then
             dnl LLVM was built using auto*, so there is only one shared object.
@@ -2178,7 +2349,7 @@ if test "x$MESA_LLVM" != x0; then
         else
             dnl If LLVM was built with CMake, there will be one shared object per
             dnl component.
         else
             dnl If LLVM was built with CMake, there will be one shared object per
             dnl component.
-            AS_IF([test ! -f "$LLVM_LIBDIR/libLLVMTarget.so"],
+            AS_IF([test ! -f "$LLVM_LIBDIR/libLLVMTarget.$IMP_LIB_EXT"],
                     [AC_MSG_ERROR([Could not find llvm shared libraries:
        Please make sure you have built llvm with the --enable-shared option
        and that your llvm libraries are installed in $LLVM_LIBDIR
                     [AC_MSG_ERROR([Could not find llvm shared libraries:
        Please make sure you have built llvm with the --enable-shared option
        and that your llvm libraries are installed in $LLVM_LIBDIR
@@ -2215,42 +2386,20 @@ AM_CONDITIONAL(HAVE_GALLIUM_NOUVEAU, test "x$HAVE_GALLIUM_NOUVEAU" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_FREEDRENO, test "x$HAVE_GALLIUM_FREEDRENO" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_SOFTPIPE, test "x$HAVE_GALLIUM_SOFTPIPE" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_LLVMPIPE, test "x$HAVE_GALLIUM_LLVMPIPE" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_FREEDRENO, test "x$HAVE_GALLIUM_FREEDRENO" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_SOFTPIPE, test "x$HAVE_GALLIUM_SOFTPIPE" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_LLVMPIPE, test "x$HAVE_GALLIUM_LLVMPIPE" = xyes)
+AM_CONDITIONAL(HAVE_GALLIUM_SWR, test "x$HAVE_GALLIUM_SWR" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_VC4, test "x$HAVE_GALLIUM_VC4" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_VC4, test "x$HAVE_GALLIUM_VC4" = xyes)
+AM_CONDITIONAL(HAVE_GALLIUM_VIRGL, test "x$HAVE_GALLIUM_VIRGL" = xyes)
 
 AM_CONDITIONAL(HAVE_GALLIUM_STATIC_TARGETS, test "x$enable_shared_pipe_drivers" = xno)
 
 
 AM_CONDITIONAL(HAVE_GALLIUM_STATIC_TARGETS, test "x$enable_shared_pipe_drivers" = xno)
 
-# NOTE: anything using xcb or other client side libs ends up in separate
-#       _CLIENT variables.  The pipe loader is built in two variants,
-#       one that is standalone and does not link any x client libs (for
-#       use by XA tracker in particular, but could be used in any case
-#       where communication with xserver is not desired).
-if test "x$enable_gallium_loader" = xyes; then
-    if test "x$NEED_WINSYS_XLIB" = xyes; then
-        GALLIUM_PIPE_LOADER_DEFINES="$GALLIUM_PIPE_LOADER_DEFINES -DHAVE_PIPE_LOADER_XLIB"
-    fi
-
-    if test "x$enable_dri" = xyes; then
-        GALLIUM_PIPE_LOADER_DEFINES="$GALLIUM_PIPE_LOADER_DEFINES -DHAVE_PIPE_LOADER_DRI"
-    fi
-
-    if test "x$enable_gallium_drm_loader" = xyes; then
-        GALLIUM_PIPE_LOADER_DEFINES="$GALLIUM_PIPE_LOADER_DEFINES -DHAVE_PIPE_LOADER_DRM"
-        PKG_CHECK_MODULES([GALLIUM_PIPE_LOADER_XCB], [xcb xcb-dri2],
-                          pipe_loader_have_xcb=yes, pipe_loader_have_xcb=no)
-        if test "x$pipe_loader_have_xcb" = xyes; then
-            GALLIUM_PIPE_LOADER_CLIENT_DEFINES="$GALLIUM_PIPE_LOADER_CLIENT_DEFINES -DHAVE_PIPE_LOADER_XCB"
-            GALLIUM_PIPE_LOADER_CLIENT_LIBS="$GALLIUM_PIPE_LOADER_CLIENT_LIBS $GALLIUM_PIPE_LOADER_XCB_LIBS $LIBDRM_LIBS"
-        fi
-    fi
-
-    GALLIUM_PIPE_LOADER_CLIENT_DEFINES="$GALLIUM_PIPE_LOADER_CLIENT_DEFINES $GALLIUM_PIPE_LOADER_DEFINES"
-    GALLIUM_PIPE_LOADER_CLIENT_LIBS="$GALLIUM_PIPE_LOADER_CLIENT_LIBS $GALLIUM_PIPE_LOADER_LIBS"
+if test "x$enable_dri" = xyes; then
+    GALLIUM_PIPE_LOADER_DEFINES="$GALLIUM_PIPE_LOADER_DEFINES -DHAVE_PIPE_LOADER_DRI"
+fi
 
 
-    AC_SUBST([GALLIUM_PIPE_LOADER_DEFINES])
-    AC_SUBST([GALLIUM_PIPE_LOADER_LIBS])
-    AC_SUBST([GALLIUM_PIPE_LOADER_CLIENT_DEFINES])
-    AC_SUBST([GALLIUM_PIPE_LOADER_CLIENT_LIBS])
+if test "x$have_drisw_kms" = xyes; then
+    GALLIUM_PIPE_LOADER_DEFINES="$GALLIUM_PIPE_LOADER_DEFINES -DHAVE_PIPE_LOADER_KMS"
 fi
 fi
+AC_SUBST([GALLIUM_PIPE_LOADER_DEFINES])
 
 AM_CONDITIONAL(HAVE_I915_DRI, test x$HAVE_I915_DRI = xyes)
 AM_CONDITIONAL(HAVE_I965_DRI, test x$HAVE_I965_DRI = xyes)
 
 AM_CONDITIONAL(HAVE_I915_DRI, test x$HAVE_I915_DRI = xyes)
 AM_CONDITIONAL(HAVE_I965_DRI, test x$HAVE_I965_DRI = xyes)
@@ -2265,8 +2414,6 @@ AM_CONDITIONAL(NEED_RADEON_DRM_WINSYS, test "x$HAVE_GALLIUM_R300" = xyes -o \
 AM_CONDITIONAL(NEED_WINSYS_XLIB, test "x$NEED_WINSYS_XLIB" = xyes)
 AM_CONDITIONAL(NEED_RADEON_LLVM, test x$NEED_RADEON_LLVM = xyes)
 AM_CONDITIONAL(USE_R600_LLVM_COMPILER, test x$USE_R600_LLVM_COMPILER = xyes)
 AM_CONDITIONAL(NEED_WINSYS_XLIB, test "x$NEED_WINSYS_XLIB" = xyes)
 AM_CONDITIONAL(NEED_RADEON_LLVM, test x$NEED_RADEON_LLVM = xyes)
 AM_CONDITIONAL(USE_R600_LLVM_COMPILER, test x$USE_R600_LLVM_COMPILER = xyes)
-AM_CONDITIONAL(HAVE_LOADER_GALLIUM, test x$enable_gallium_loader = xyes)
-AM_CONDITIONAL(HAVE_DRM_LOADER_GALLIUM, test x$enable_gallium_drm_loader = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_COMPUTE, test x$enable_opencl = xyes)
 AM_CONDITIONAL(HAVE_MESA_LLVM, test x$MESA_LLVM = x1)
 AM_CONDITIONAL(USE_VC4_SIMULATOR, test x$USE_VC4_SIMULATOR = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_COMPUTE, test x$enable_opencl = xyes)
 AM_CONDITIONAL(HAVE_MESA_LLVM, test x$MESA_LLVM = x1)
 AM_CONDITIONAL(USE_VC4_SIMULATOR, test x$USE_VC4_SIMULATOR = xyes)
@@ -2274,9 +2421,6 @@ if test "x$USE_VC4_SIMULATOR" = xyes -a "x$HAVE_GALLIUM_ILO" = xyes; then
     AC_MSG_ERROR([VC4 simulator on x86 replaces i965 driver build, so ilo must be disabled.])
 fi
 
     AC_MSG_ERROR([VC4 simulator on x86 replaces i965 driver build, so ilo must be disabled.])
 fi
 
-AC_SUBST([ELF_LIB])
-
-AM_CONDITIONAL(DRICOMMON_NEED_LIBDRM, test "x$DRICOMMON_NEED_LIBDRM" = xyes)
 AM_CONDITIONAL(HAVE_LIBDRM, test "x$have_libdrm" = xyes)
 AM_CONDITIONAL(HAVE_X11_DRIVER, test "x$enable_xlib_glx" = xyes)
 AM_CONDITIONAL(HAVE_OSMESA, test "x$enable_osmesa" = xyes)
 AM_CONDITIONAL(HAVE_LIBDRM, test "x$have_libdrm" = xyes)
 AM_CONDITIONAL(HAVE_X11_DRIVER, test "x$enable_xlib_glx" = xyes)
 AM_CONDITIONAL(HAVE_OSMESA, test "x$enable_osmesa" = xyes)
@@ -2329,8 +2473,8 @@ CXXFLAGS="$CXXFLAGS $USER_CXXFLAGS"
 dnl Substitute the config
 AC_CONFIG_FILES([Makefile
                src/Makefile
 dnl Substitute the config
 AC_CONFIG_FILES([Makefile
                src/Makefile
-               src/egl/drivers/dri2/Makefile
-               src/egl/main/Makefile
+               src/compiler/Makefile
+               src/egl/Makefile
                src/egl/main/egl.pc
                src/egl/wayland/wayland-drm/Makefile
                src/egl/wayland/wayland-egl/Makefile
                src/egl/main/egl.pc
                src/egl/wayland/wayland-drm/Makefile
                src/egl/wayland/wayland-egl/Makefile
@@ -2339,6 +2483,7 @@ AC_CONFIG_FILES([Makefile
                src/gallium/auxiliary/Makefile
                src/gallium/auxiliary/pipe-loader/Makefile
                src/gallium/drivers/freedreno/Makefile
                src/gallium/auxiliary/Makefile
                src/gallium/auxiliary/pipe-loader/Makefile
                src/gallium/drivers/freedreno/Makefile
+               src/gallium/drivers/ddebug/Makefile
                src/gallium/drivers/i915/Makefile
                src/gallium/drivers/ilo/Makefile
                src/gallium/drivers/llvmpipe/Makefile
                src/gallium/drivers/i915/Makefile
                src/gallium/drivers/ilo/Makefile
                src/gallium/drivers/llvmpipe/Makefile
@@ -2351,8 +2496,12 @@ AC_CONFIG_FILES([Makefile
                src/gallium/drivers/rbug/Makefile
                src/gallium/drivers/softpipe/Makefile
                src/gallium/drivers/svga/Makefile
                src/gallium/drivers/rbug/Makefile
                src/gallium/drivers/softpipe/Makefile
                src/gallium/drivers/svga/Makefile
+               src/gallium/drivers/swr/Makefile
+               src/gallium/drivers/swr/avx/Makefile
+               src/gallium/drivers/swr/avx2/Makefile
                src/gallium/drivers/trace/Makefile
                src/gallium/drivers/vc4/Makefile
                src/gallium/drivers/trace/Makefile
                src/gallium/drivers/vc4/Makefile
+               src/gallium/drivers/virgl/Makefile
                src/gallium/state_trackers/clover/Makefile
                src/gallium/state_trackers/dri/Makefile
                src/gallium/state_trackers/glx/xlib/Makefile
                src/gallium/state_trackers/clover/Makefile
                src/gallium/state_trackers/dri/Makefile
                src/gallium/state_trackers/glx/xlib/Makefile
@@ -2369,6 +2518,7 @@ AC_CONFIG_FILES([Makefile
                src/gallium/targets/libgl-xlib/Makefile
                src/gallium/targets/omx/Makefile
                src/gallium/targets/opencl/Makefile
                src/gallium/targets/libgl-xlib/Makefile
                src/gallium/targets/omx/Makefile
                src/gallium/targets/opencl/Makefile
+               src/gallium/targets/opencl/mesa.icd
                src/gallium/targets/osmesa/Makefile
                src/gallium/targets/osmesa/osmesa.pc
                src/gallium/targets/pipe-loader/Makefile
                src/gallium/targets/osmesa/Makefile
                src/gallium/targets/osmesa/osmesa.pc
                src/gallium/targets/pipe-loader/Makefile
@@ -2384,6 +2534,7 @@ AC_CONFIG_FILES([Makefile
                src/gallium/winsys/intel/drm/Makefile
                src/gallium/winsys/nouveau/drm/Makefile
                src/gallium/winsys/radeon/drm/Makefile
                src/gallium/winsys/intel/drm/Makefile
                src/gallium/winsys/nouveau/drm/Makefile
                src/gallium/winsys/radeon/drm/Makefile
+               src/gallium/winsys/amdgpu/drm/Makefile
                src/gallium/winsys/svga/drm/Makefile
                src/gallium/winsys/sw/dri/Makefile
                src/gallium/winsys/sw/kms-dri/Makefile
                src/gallium/winsys/svga/drm/Makefile
                src/gallium/winsys/sw/dri/Makefile
                src/gallium/winsys/sw/kms-dri/Makefile
@@ -2391,9 +2542,10 @@ AC_CONFIG_FILES([Makefile
                src/gallium/winsys/sw/wrapper/Makefile
                src/gallium/winsys/sw/xlib/Makefile
                src/gallium/winsys/vc4/drm/Makefile
                src/gallium/winsys/sw/wrapper/Makefile
                src/gallium/winsys/sw/xlib/Makefile
                src/gallium/winsys/vc4/drm/Makefile
+               src/gallium/winsys/virgl/drm/Makefile
+               src/gallium/winsys/virgl/vtest/Makefile
                src/gbm/Makefile
                src/gbm/main/gbm.pc
                src/gbm/Makefile
                src/gbm/main/gbm.pc
-               src/glsl/Makefile
                src/glx/Makefile
                src/glx/apple/Makefile
                src/glx/tests/Makefile
                src/glx/Makefile
                src/glx/apple/Makefile
                src/glx/tests/Makefile
@@ -2484,6 +2636,9 @@ if test "$enable_egl" = yes; then
     if test "x$HAVE_EGL_DRIVER_DRI2" != "x"; then
         egl_drivers="$egl_drivers builtin:egl_dri2"
     fi
     if test "x$HAVE_EGL_DRIVER_DRI2" != "x"; then
         egl_drivers="$egl_drivers builtin:egl_dri2"
     fi
+    if test "x$HAVE_EGL_DRIVER_DRI3" != "x"; then
+        egl_drivers="$egl_drivers builtin:egl_dri3"
+    fi
 
     echo "        EGL drivers:    $egl_drivers"
 fi
 
     echo "        EGL drivers:    $egl_drivers"
 fi
@@ -2499,7 +2654,8 @@ fi
 
 echo ""
 if test -n "$with_gallium_drivers"; then
 
 echo ""
 if test -n "$with_gallium_drivers"; then
-    echo "        Gallium:         yes"
+    echo "        Gallium drivers: $gallium_drivers"
+    echo "        Gallium st:      $gallium_st"
 else
     echo "        Gallium:         no"
 fi
 else
     echo "        Gallium:         no"
 fi