mesa: add const qualifier, comment on can_avoid_reallocation()
[mesa.git] / configure.ac
index 33c68cfcf4cda8813251445d8698cff1b7748b65..99abcd7a5fea023d5bc769485e35893c21433015 100644 (file)
@@ -74,7 +74,8 @@ 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
+LIBDRM_FREEDRENO_REQUIRED=2.4.68
+LIBDRM_VC4_REQUIRED=2.4.69
 DRI2PROTO_REQUIRED=2.6
 DRI3PROTO_REQUIRED=1.0
 PRESENTPROTO_REQUIRED=1.0
@@ -89,7 +90,8 @@ XCBDRI2_REQUIRED=1.8
 XCBGLX_REQUIRED=1.8.1
 XSHMFENCE_REQUIRED=1.1
 XVMC_REQUIRED=1.0.6
-PYTHON_MAKO_REQUIRED=0.3.4
+PYTHON_MAKO_REQUIRED=0.8.0
+LIBSENSORS_REQUIRED=4.0.0
 
 dnl Check for progs
 AC_PROG_CPP
@@ -99,7 +101,6 @@ AM_PROG_CC_C_O
 AM_PROG_AS
 AX_CHECK_GNU_MAKE
 AC_CHECK_PROGS([PYTHON2], [python2.7 python2 python])
-AC_CHECK_PROGS([PYTHON3], [python3.5 python3.4 python3])
 AC_PROG_SED
 AC_PROG_MKDIR_P
 
@@ -224,8 +225,11 @@ AX_GCC_FUNC_ATTRIBUTE([format])
 AX_GCC_FUNC_ATTRIBUTE([malloc])
 AX_GCC_FUNC_ATTRIBUTE([packed])
 AX_GCC_FUNC_ATTRIBUTE([pure])
+AX_GCC_FUNC_ATTRIBUTE([returns_nonnull])
 AX_GCC_FUNC_ATTRIBUTE([unused])
+AX_GCC_FUNC_ATTRIBUTE([visibility])
 AX_GCC_FUNC_ATTRIBUTE([warn_unused_result])
+AX_GCC_FUNC_ATTRIBUTE([weak])
 
 AM_CONDITIONAL([GEN_ASM_OFFSETS], test "x$GEN_ASM_OFFSETS" = xyes)
 
@@ -248,18 +252,21 @@ _SAVE_CPPFLAGS="$CPPFLAGS"
 dnl Compiler macros
 DEFINES="-D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS"
 AC_SUBST([DEFINES])
+android=no
 case "$host_os" in
-linux*|*-gnu*|gnu*)
+*-android)
+    android=yes
+    ;;
+linux*|*-gnu*|gnu*|cygwin*)
     DEFINES="$DEFINES -D_GNU_SOURCE"
     ;;
 solaris*)
     DEFINES="$DEFINES -DSVR4"
     ;;
-cygwin*)
-    DEFINES="$DEFINES -D_XOPEN_SOURCE=700"
-    ;;
 esac
 
+AM_CONDITIONAL(HAVE_ANDROID, test "x$android" = xyes)
+
 dnl Add flags for gcc and g++
 if test "x$GCC" = xyes; then
     CFLAGS="$CFLAGS -Wall"
@@ -294,16 +301,9 @@ if test "x$GCC" = xyes; then
     # Restore CFLAGS; VISIBILITY_CFLAGS are added to it where needed.
     CFLAGS=$save_CFLAGS
 
-    # 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="$CFLAGS -fno-builtin-memcmp"
-
     # Flags to help ensure that certain portions of the code -- and only those
     # portions -- can be built with MSVC:
     # - src/util, src/gallium/auxiliary, rc/gallium/drivers/llvmpipe, and
@@ -340,12 +340,8 @@ if test "x$GXX" = xyes; then
     # Restore CXXFLAGS; VISIBILITY_CXXFLAGS are added to it where needed.
     CXXFLAGS=$save_CXXFLAGS
 
-    # Work around aliasing bugs - developers should comment this out
-    CXXFLAGS="$CXXFLAGS -fno-strict-aliasing"
-
-    # gcc's builtin memcmp is slower than glibc's
-    # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43052
-    CXXFLAGS="$CXXFLAGS -fno-builtin-memcmp"
+    # We don't want floating-point math functions to set errno or trap
+    CXXFLAGS="$CXXFLAGS -fno-math-errno -fno-trapping-math"
 fi
 
 AC_SUBST([MSVC2013_COMPAT_CFLAGS])
@@ -391,6 +387,17 @@ fi
 AM_CONDITIONAL([SSE41_SUPPORTED], [test x$SSE41_SUPPORTED = x1])
 AC_SUBST([SSE41_CFLAGS], $SSE41_CFLAGS)
 
+dnl Check for new-style atomic builtins
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+int main() {
+    int n;
+    return __atomic_load_n(&n, __ATOMIC_ACQUIRE);
+}]])], GCC_ATOMIC_BUILTINS_SUPPORTED=1)
+if test "x$GCC_ATOMIC_BUILTINS_SUPPORTED" = x1; then
+    DEFINES="$DEFINES -DUSE_GCC_ATOMIC_BUILTINS"
+fi
+AM_CONDITIONAL([GCC_ATOMIC_BUILTINS_SUPPORTED], [test x$GCC_ATOMIC_BUILTINS_SUPPORTED = x1])
+
 dnl Check for Endianness
 AC_C_BIGENDIAN(
    little_endian=no,
@@ -514,6 +521,8 @@ else
    DEFINES="$DEFINES -DNDEBUG"
 fi
 
+DEFAULT_GL_LIB_NAME=GL
+
 dnl
 dnl Check if linker supports -Bsymbolic
 dnl
@@ -611,6 +620,23 @@ esac
 
 AM_CONDITIONAL(HAVE_COMPAT_SYMLINKS, test "x$HAVE_COMPAT_SYMLINKS" = xyes)
 
+DEFAULT_GL_LIB_NAME=GL
+
+dnl
+dnl Libglvnd configuration
+dnl
+AC_ARG_ENABLE([libglvnd],
+    [AS_HELP_STRING([--enable-libglvnd],
+        [Build for libglvnd @<:@default=disabled@:>@])],
+    [enable_libglvnd="$enableval"],
+    [enable_libglvnd=no])
+AM_CONDITIONAL(USE_LIBGLVND_GLX, test "x$enable_libglvnd" = xyes)
+#AM_COND_IF([USE_LIBGLVND_GLX], [DEFINES="${DEFINES} -DUSE_LIBGLVND_GLX=1"])
+if test "x$enable_libglvnd" = xyes ; then
+    DEFINES="${DEFINES} -DUSE_LIBGLVND_GLX=1"
+    DEFAULT_GL_LIB_NAME=GLX_mesa
+fi
+
 dnl
 dnl library names
 dnl
@@ -648,13 +674,13 @@ AC_ARG_WITH([gl-lib-name],
   [AS_HELP_STRING([--with-gl-lib-name@<:@=NAME@:>@],
     [specify GL library name @<:@default=GL@:>@])],
   [GL_LIB=$withval],
-  [GL_LIB=GL])
+  [GL_LIB="$DEFAULT_GL_LIB_NAME"])
 AC_ARG_WITH([osmesa-lib-name],
   [AS_HELP_STRING([--with-osmesa-lib-name@<:@=NAME@:>@],
     [specify OSMesa library name @<:@default=OSMesa@:>@])],
   [OSMESA_LIB=$withval],
   [OSMESA_LIB=OSMesa])
-AS_IF([test "x$GL_LIB" = xyes], [GL_LIB=GL])
+AS_IF([test "x$GL_LIB" = xyes], [GL_LIB="$DEFAULT_GL_LIB_NAME"])
 AS_IF([test "x$OSMESA_LIB" = xyes], [OSMESA_LIB=OSMesa])
 
 dnl
@@ -757,6 +783,7 @@ if test "x$enable_asm" = xyes; then
     esac
 fi
 
+AC_HEADER_MAJOR
 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="$DEFINES -DHAVE_STRTOF"])
@@ -799,6 +826,22 @@ dnl to -pthread, which causes problems if we need -lpthread to appear in
 dnl pkgconfig files.
 test -z "$PTHREAD_LIBS" && PTHREAD_LIBS="-lpthread"
 
+dnl pthread-stubs is mandatory on targets where it exists
+case "$host_os" in
+cygwin* )
+    pthread_stubs_possible="no"
+    ;;
+* )
+    pthread_stubs_possible="yes"
+    ;;
+esac
+
+if test "x$pthread_stubs_possible" = xyes; then
+    PKG_CHECK_MODULES(PTHREADSTUBS, pthread-stubs)
+    AC_SUBST(PTHREADSTUBS_CFLAGS)
+    AC_SUBST(PTHREADSTUBS_LIBS)
+fi
+
 dnl SELinux awareness.
 AC_ARG_ENABLE([selinux],
     [AS_HELP_STRING([--enable-selinux],
@@ -840,6 +883,32 @@ AC_ARG_ENABLE([dri],
     [enable_dri="$enableval"],
     [enable_dri=yes])
 
+AC_ARG_ENABLE([gallium-extra-hud],
+    [AS_HELP_STRING([--enable-gallium-extra-hud],
+        [enable HUD block/NIC I/O HUD stats support @<:@default=disabled@:>@])],
+    [enable_gallium_extra_hud="$enableval"],
+    [enable_gallium_extra_hud=no])
+AM_CONDITIONAL(HAVE_GALLIUM_EXTRA_HUD, test "x$enable_gallium_extra_hud" = xyes)
+if test "x$enable_gallium_extra_hud" = xyes ; then
+    DEFINES="${DEFINES} -DHAVE_GALLIUM_EXTRA_HUD=1"
+fi
+
+#TODO: no pkgconfig .pc available for libsensors.
+#PKG_CHECK_MODULES([LIBSENSORS], [libsensors >= $LIBSENSORS_REQUIRED], [enable_lmsensors=yes], [enable_lmsensors=no])
+AC_ARG_ENABLE([lmsensors],
+    [AS_HELP_STRING([--enable-lmsensors],
+        [enable HUD lmsensor support @<:@default=disabled@:>@])],
+    [enable_lmsensors="$enableval"],
+    [enable_lmsensors=no])
+AM_CONDITIONAL(HAVE_LIBSENSORS, test "x$enable_lmsensors" = xyes)
+if test "x$enable_lmsensors" = xyes ; then
+    DEFINES="${DEFINES} -DHAVE_LIBSENSORS=1"
+    LIBSENSORS_LDFLAGS="-lsensors"
+else
+    LIBSENSORS_LDFLAGS=""
+fi
+AC_SUBST(LIBSENSORS_LDFLAGS)
+
 case "$host_os" in
 linux*)
     dri3_default=yes
@@ -1030,10 +1099,40 @@ xno)
     ;;
 esac
 
+AM_CONDITIONAL(HAVE_GLX, test "x$enable_glx" != xno)
 AM_CONDITIONAL(HAVE_DRI_GLX, test "x$enable_glx" = xdri)
 AM_CONDITIONAL(HAVE_XLIB_GLX, test "x$enable_glx" = xxlib)
 AM_CONDITIONAL(HAVE_GALLIUM_XLIB_GLX, test "x$enable_glx" = xgallium-xlib)
 
+dnl
+dnl Libglvnd configuration
+dnl
+AC_ARG_ENABLE([libglvnd],
+    [AS_HELP_STRING([--enable-libglvnd],
+        [Build for libglvnd @<:@default=disabled@:>@])],
+    [enable_libglvnd="$enableval"],
+    [enable_libglvnd=no])
+AM_CONDITIONAL(USE_LIBGLVND_GLX, test "x$enable_libglvnd" = xyes)
+if test "x$enable_libglvnd" = xyes ; then
+    dnl XXX: update once we can handle more than libGL/glx.
+    dnl Namely: we should error out if neither of the glvnd enabled libraries
+    dnl are built
+    case "x$enable_glx" in
+    xno)
+        AC_MSG_ERROR([cannot build libglvnd without GLX])
+        ;;
+    xxlib | xgallium-xlib )
+        AC_MSG_ERROR([cannot build libgvnd when Xlib-GLX or Gallium-Xlib-GLX is enabled])
+        ;;
+    xdri)
+        ;;
+    esac
+
+    PKG_CHECK_MODULES([GLVND], libglvnd >= 0.1.0)
+    DEFINES="${DEFINES} -DUSE_LIBGLVND_GLX=1"
+    DEFAULT_GL_LIB_NAME=GLX_mesa
+fi
+
 # Check for libdrm
 PKG_CHECK_MODULES([LIBDRM], [libdrm >= $LIBDRM_REQUIRED],
                   [have_libdrm=yes], [have_libdrm=no])
@@ -1045,7 +1144,9 @@ fi
 case "$host_os" in
 darwin*)
     dri_platform='apple' ;;
-gnu*|cygwin*)
+cygwin*)
+    dri_platform='windows' ;;
+gnu*)
     dri_platform='none' ;;
 *)
     dri_platform='drm' ;;
@@ -1061,6 +1162,9 @@ 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$dri_platform" = xapple )
+AM_CONDITIONAL(HAVE_LMSENSORS, test "x$enable_lmsensors" = xyes )
+AM_CONDITIONAL(HAVE_GALLIUM_EXTRA_HUD, test "x$enable_gallium_extra_hud" = xyes )
+AM_CONDITIONAL(HAVE_WINDOWSDRI, test "x$enable_dri" = xyes -a "x$dri_platform" = xwindows )
 
 AC_ARG_ENABLE([shared-glapi],
     [AS_HELP_STRING([--enable-shared-glapi],
@@ -1241,6 +1345,9 @@ if test "x$with_sha1" = "x"; then
     fi
 fi
 AM_CONDITIONAL([ENABLE_SHADER_CACHE], [test x$enable_shader_cache = xyes])
+if test "x$enable_shader_cache" = "xyes"; then
+   AC_DEFINE([ENABLE_SHADER_CACHE], [1], [Enable shader cache])
+fi
 
 case "$host_os" in
 linux*)
@@ -1318,13 +1425,16 @@ xdri)
 
             if test x"$enable_dri3" = xyes; then
                PKG_CHECK_EXISTS([xcb >= $XCB_REQUIRED], [], AC_MSG_ERROR([DRI3 requires xcb >= $XCB_REQUIRED]))
-               dri3_modules="xcb-dri3 xcb-present xcb-sync xshmfence >= $XSHMFENCE_REQUIRED"
+               dri3_modules="xcb xcb-dri3 xcb-present xcb-sync xshmfence >= $XSHMFENCE_REQUIRED"
                PKG_CHECK_MODULES([XCB_DRI3], [$dri3_modules])
             fi
         fi
         if test x"$dri_platform" = xapple ; then
             DEFINES="$DEFINES -DGLX_USE_APPLEGL"
         fi
+        if test x"$dri_platform" = xwindows ; then
+            DEFINES="$DEFINES -DGLX_USE_WINDOWSGL"
+        fi
     fi
 
     # add xf86vidmode if available
@@ -1579,11 +1689,18 @@ esac
 
 AC_ARG_WITH([vulkan-icddir],
     [AS_HELP_STRING([--with-vulkan-icddir=DIR],
-        [directory for the Vulkan driver icd files @<:@${sysconfdir}/vulkan/icd.d@:>@])],
+        [directory for the Vulkan driver icd files @<:@${datarootdir}/vulkan/icd.d@:>@])],
     [VULKAN_ICD_INSTALL_DIR="$withval"],
-    [VULKAN_ICD_INSTALL_DIR='${sysconfdir}/vulkan/icd.d'])
+    [VULKAN_ICD_INSTALL_DIR='${datarootdir}/vulkan/icd.d'])
 AC_SUBST([VULKAN_ICD_INSTALL_DIR])
 
+AC_ARG_ENABLE([vulkan-icd-full-driver-path],
+   [AS_HELP_STRING([--disable-vulkan-icd-full-driver-path],
+                   [create Vulkan ICD files with just a .so name and no path])],
+   [vulkan_icd_driver_path="$enableval"],
+   [vulkan_icd_driver_path="yes"])
+AM_CONDITIONAL(VULKAN_ICD_DRIVER_PATH, test "x$vulkan_icd_driver_path" = xyes)
+
 if test -n "$with_vulkan_drivers"; then
     VULKAN_DRIVERS=`IFS=', '; echo $with_vulkan_drivers`
     for driver in $VULKAN_DRIVERS; do
@@ -1779,7 +1896,12 @@ if test "x$enable_xvmc" = xyes -o \
         "x$enable_vdpau" = xyes -o \
         "x$enable_omx" = xyes -o \
         "x$enable_va" = xyes; then
-    PKG_CHECK_MODULES([VL], [x11-xcb xcb xcb-dri2 >= $XCBDRI2_REQUIRED])
+    if test x"$enable_dri3" = xyes; then
+        PKG_CHECK_MODULES([VL], [xcb-dri3 xcb-present xcb-sync xshmfence >= $XSHMFENCE_REQUIRED
+                                 x11-xcb xcb xcb-dri2 >= $XCBDRI2_REQUIRED])
+    else
+        PKG_CHECK_MODULES([VL], [x11-xcb xcb xcb-dri2 >= $XCBDRI2_REQUIRED])
+    fi
     need_gallium_vl_winsys=yes
 fi
 AM_CONDITIONAL(NEED_GALLIUM_VL_WINSYS, test "x$need_gallium_vl_winsys" = xyes)
@@ -1932,8 +2054,8 @@ if test "x$with_egl_platforms" != "x" -a "x$enable_egl" != xyes; then
     AC_MSG_ERROR([cannot build egl state tracker without EGL library])
 fi
 
-PKG_CHECK_MODULES([WAYLAND_SCANNER], [wayland_scanner],
-        WAYLAND_SCANNER=`$PKG_CONFIG --variable=wayland_scanner wayland_scanner`,
+PKG_CHECK_MODULES([WAYLAND_SCANNER], [wayland-scanner],
+        WAYLAND_SCANNER=`$PKG_CONFIG --variable=wayland_scanner wayland-scanner`,
         WAYLAND_SCANNER='')
 if test "x$WAYLAND_SCANNER" = x; then
     AC_PATH_PROG([WAYLAND_SCANNER], [wayland-scanner])
@@ -1970,6 +2092,9 @@ for plat in $egl_platforms; do
                        AC_MSG_ERROR([EGL platform surfaceless requires libdrm >= $LIBDRM_REQUIRED])
                ;;
 
+       android)
+               ;;
+
        *)
                AC_MSG_ERROR([EGL platform '$plat' does not exist])
                ;;
@@ -1991,10 +2116,10 @@ else
 fi
 
 AM_CONDITIONAL(HAVE_PLATFORM_X11, echo "$egl_platforms" | grep -q 'x11')
-AM_CONDITIONAL(HAVE_EGL_PLATFORM_WAYLAND, echo "$egl_platforms" | grep -q 'wayland')
+AM_CONDITIONAL(HAVE_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_PLATFORM_ANDROID, echo "$egl_platforms" | grep -q 'android')
 
 AM_CONDITIONAL(HAVE_EGL_DRIVER_DRI2, test "x$HAVE_EGL_DRIVER_DRI2" != "x")
 
@@ -2035,6 +2160,9 @@ AC_ARG_WITH([llvm-prefix],
 strip_unwanted_llvm_flags() {
     # Use \> (marks the end of the word)
     echo `$1` | sed \
+       -e 's/-march=\S*//g' \
+       -e 's/-mtune=\S*//g' \
+       -e 's/-mcpu=\S*//g' \
        -e 's/-DNDEBUG\>//g' \
        -e 's/-D_GNU_SOURCE\>//g' \
        -e 's/-pedantic\>//g' \
@@ -2111,8 +2239,12 @@ if test "x$enable_gallium_llvm" = xyes; then
 
         LLVM_COMPONENTS="engine bitwriter mcjit mcdisassembler"
 
+        if $LLVM_CONFIG --components | grep -q inteljitevents ; then
+            LLVM_COMPONENTS="${LLVM_COMPONENTS} inteljitevents"
+        fi
+
         if test "x$enable_opencl" = xyes; then
-            llvm_check_version_for "3" "5" "0" "opencl"
+            llvm_check_version_for "3" "6" "0" "opencl"
 
             LLVM_COMPONENTS="${LLVM_COMPONENTS} all-targets ipo linker instrumentation"
             LLVM_COMPONENTS="${LLVM_COMPONENTS} irreader option objcarcopts profiledata"
@@ -2260,6 +2392,45 @@ swr_llvm_check() {
     fi
 }
 
+swr_require_cxx_feature_flags() {
+    feature_name="$1"
+    preprocessor_test="$2"
+    option_list="$3"
+    output_var="$4"
+
+    AC_MSG_CHECKING([whether $CXX supports $feature_name])
+    AC_LANG_PUSH([C++])
+    save_CXXFLAGS="$CXXFLAGS"
+    save_IFS="$IFS"
+    IFS=","
+    found=0
+    for opts in $option_list
+    do
+        unset IFS
+        CXXFLAGS="$opts $save_CXXFLAGS"
+        AC_COMPILE_IFELSE(
+            [AC_LANG_PROGRAM(
+                [   #if !($preprocessor_test)
+                    #error
+                    #endif
+                ])],
+            [found=1; break],
+            [])
+        IFS=","
+    done
+    IFS="$save_IFS"
+    CXXFLAGS="$save_CXXFLAGS"
+    AC_LANG_POP([C++])
+    if test $found -eq 1; then
+        AC_MSG_RESULT([$opts])
+        eval "$output_var=\$opts"
+        return 0
+    fi
+    AC_MSG_RESULT([no])
+    AC_MSG_ERROR([swr requires $feature_name support])
+    return 1
+}
+
 dnl Duplicates in GALLIUM_DRIVERS_DIRS are removed by sorting it after this block
 if test -n "$with_gallium_drivers"; then
     gallium_drivers=`IFS=', '; echo $with_gallium_drivers`
@@ -2329,34 +2500,26 @@ if test -n "$with_gallium_drivers"; then
         xswr)
             swr_llvm_check "swr"
 
-            AC_MSG_CHECKING([whether $CXX supports c++11/AVX/AVX2])
-            AVX_CXXFLAGS="-march=core-avx-i"
-            AVX2_CXXFLAGS="-march=core-avx2"
-
-            AC_LANG_PUSH([C++])
-            save_CXXFLAGS="$CXXFLAGS"
-            CXXFLAGS="-std=c++11 $CXXFLAGS"
-            AC_COMPILE_IFELSE([AC_LANG_PROGRAM()],[],
-                              [AC_MSG_ERROR([c++11 compiler support not detected])])
-            CXXFLAGS="$save_CXXFLAGS"
-
-            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++])
+            swr_require_cxx_feature_flags "C++11" "__cplusplus >= 201103L" \
+                ",-std=c++11" \
+                SWR_CXX11_CXXFLAGS
+            AC_SUBST([SWR_CXX11_CXXFLAGS])
+
+            swr_require_cxx_feature_flags "AVX" "defined(__AVX__)" \
+                ",-mavx,-march=core-avx" \
+                SWR_AVX_CXXFLAGS
+            AC_SUBST([SWR_AVX_CXXFLAGS])
+
+            swr_require_cxx_feature_flags "AVX2" "defined(__AVX2__)" \
+                ",-mavx2 -mfma -mbmi2 -mf16c,-march=core-avx2" \
+                SWR_AVX2_CXXFLAGS
+            AC_SUBST([SWR_AVX2_CXXFLAGS])
 
             HAVE_GALLIUM_SWR=yes
             ;;
         xvc4)
             HAVE_GALLIUM_VC4=yes
+            PKG_CHECK_MODULES([VC4], [libdrm_vc4 >= $LIBDRM_VC4_REQUIRED])
             gallium_require_drm "vc4"
             gallium_require_drm_loader
 
@@ -2426,7 +2589,7 @@ if test "x$MESA_LLVM" != x0; then
         AC_MSG_WARN([Building mesa with statically linked LLVM may cause compilation issues])
         dnl We need to link to llvm system libs when using static libs
         dnl However, only llvm 3.5+ provides --system-libs
-        if test $LLVM_VERSION_MAJOR -eq 3 -a $LLVM_VERSION_MINOR -ge 5; then
+        if test $LLVM_VERSION_MAJOR -ge 4 -o $LLVM_VERSION_MAJOR -eq 3 -a $LLVM_VERSION_MINOR -ge 5; then
             LLVM_LIBS="$LLVM_LIBS `$LLVM_CONFIG --system-libs`"
         fi
     fi
@@ -2489,6 +2652,8 @@ fi
 AM_CONDITIONAL(HAVE_LIBDRM, test "x$have_libdrm" = xyes)
 AM_CONDITIONAL(HAVE_OSMESA, test "x$enable_osmesa" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_OSMESA, test "x$enable_gallium_osmesa" = xyes)
+AM_CONDITIONAL(HAVE_COMMON_OSMESA, test "x$enable_osmesa" = xyes -o \
+                                        "x$enable_gallium_osmesa" = xyes)
 
 AM_CONDITIONAL(HAVE_X86_ASM, test "x$asm_arch" = xx86 -o "x$asm_arch" = xx86_64)
 AM_CONDITIONAL(HAVE_X86_64_ASM, test "x$asm_arch" = xx86_64)
@@ -2520,6 +2685,8 @@ AC_SUBST([XA_MINOR], $XA_MINOR)
 AC_SUBST([XA_TINY], $XA_TINY)
 AC_SUBST([XA_VERSION], "$XA_MAJOR.$XA_MINOR.$XA_TINY")
 
+AC_SUBST([TIMESTAMP_CMD], '`test $(SOURCE_DATE_EPOCH) && echo $(SOURCE_DATE_EPOCH) || date +%s`')
+
 AC_ARG_ENABLE(valgrind,
               [AS_HELP_STRING([--enable-valgrind],
                              [Build mesa with valgrind support (default: auto)])],
@@ -2558,6 +2725,7 @@ CXXFLAGS="$CXXFLAGS $USER_CXXFLAGS"
 dnl Substitute the config
 AC_CONFIG_FILES([Makefile
                src/Makefile
+               src/amd/Makefile
                src/compiler/Makefile
                src/egl/Makefile
                src/egl/main/egl.pc
@@ -2632,10 +2800,11 @@ AC_CONFIG_FILES([Makefile
                src/glx/Makefile
                src/glx/apple/Makefile
                src/glx/tests/Makefile
+               src/glx/windows/Makefile
+               src/glx/windows/windowsdriproto.pc
                src/gtest/Makefile
                src/intel/Makefile
-               src/intel/genxml/Makefile
-               src/intel/isl/Makefile
+               src/intel/tools/Makefile
                src/intel/vulkan/Makefile
                src/loader/Makefile
                src/mapi/Makefile
@@ -2666,9 +2835,6 @@ AC_OUTPUT
 # Fix up dependencies in *.Plo files, where we changed the extension of a
 # source file
 $SED -i -e 's/brw_blorp.cpp/brw_blorp.c/' src/mesa/drivers/dri/i965/.deps/brw_blorp.Plo
-$SED -i -e 's/gen6_blorp.cpp/gen6_blorp.c/' src/mesa/drivers/dri/i965/.deps/gen6_blorp.Plo
-$SED -i -e 's/gen7_blorp.cpp/gen7_blorp.c/' src/mesa/drivers/dri/i965/.deps/gen7_blorp.Plo
-$SED -i -e 's/gen8_blorp.cpp/gen8_blorp.c/' src/mesa/drivers/dri/i965/.deps/gen8_blorp.Plo
 
 
 dnl
@@ -2767,6 +2933,19 @@ else
     echo "        Gallium:         no"
 fi
 
+echo ""
+if test "x$enable_gallium_extra_hud" != xyes; then
+    echo "        HUD extra stats: no"
+else
+    echo "        HUD extra stats: yes"
+fi
+
+if test "x$enable_lmsensors" != xyes; then
+    echo "        HUD lmsensors:   no"
+else
+    echo "        HUD lmsensors:   yes"
+fi
+
 dnl Shader cache
 echo ""
 echo "        Shader cache:    $enable_shader_cache"
@@ -2800,7 +2979,6 @@ if test "x$MESA_LLVM" = x1; then
     echo ""
 fi
 echo "        PYTHON2:         $PYTHON2"
-echo "        PYTHON3:         $PYTHON3"
 
 echo ""
 echo "        Run '${MAKE-make}' to build Mesa"