configure: commit test files
[mesa.git] / configure.ac
index 755773392daff947656a85eff9d9acf1b27da54b..bbabf3bed7c5557fb375c9dae166e66274c7b3cc 100644 (file)
@@ -9,7 +9,6 @@ dnl Copyright © 2009-2014 Jon TURNEY
 dnl Copyright © 2011-2012 Benjamin Franzke
 dnl Copyright © 2008-2014 David Airlie
 dnl Copyright © 2009-2013 Brian Paul
-dnl Copyright © 2003-2007 Keith Packard, Daniel Stone
 dnl
 dnl Permission is hereby granted, free of charge, to any person obtaining a
 dnl copy of this software and associated documentation files (the "Software"),
@@ -67,30 +66,46 @@ AC_SUBST([OSMESA_VERSION])
 OPENCL_VERSION=1
 AC_SUBST([OPENCL_VERSION])
 
-dnl Versions for external dependencies
-LIBDRM_REQUIRED=2.4.66
-LIBDRM_RADEON_REQUIRED=2.4.56
-LIBDRM_AMDGPU_REQUIRED=2.4.63
-LIBDRM_INTEL_REQUIRED=2.4.61
+# The idea is that libdrm is distributed as one cohesive package, even
+# though it is composed of multiple libraries. However some drivers
+# may have different version requirements than others. This list
+# codifies which drivers need which version of libdrm. Any libdrm
+# version dependencies in non-driver-specific code should be reflected
+# in the first entry.
+LIBDRM_REQUIRED=2.4.75
+LIBDRM_RADEON_REQUIRED=2.4.71
+LIBDRM_AMDGPU_REQUIRED=2.4.84
+LIBDRM_INTEL_REQUIRED=2.4.75
 LIBDRM_NVVIEUX_REQUIRED=2.4.66
 LIBDRM_NOUVEAU_REQUIRED=2.4.66
 LIBDRM_FREEDRENO_REQUIRED=2.4.74
-LIBDRM_VC4_REQUIRED=2.4.69
-DRI2PROTO_REQUIRED=2.6
-DRI3PROTO_REQUIRED=1.0
-PRESENTPROTO_REQUIRED=1.0
+LIBDRM_ETNAVIV_REQUIRED=2.4.82
+
+dnl Versions for external dependencies
+DRI2PROTO_REQUIRED=2.8
 GLPROTO_REQUIRED=1.4.14
 LIBOMXIL_BELLAGIO_REQUIRED=0.0
 LIBVA_REQUIRED=0.38.0
 VDPAU_REQUIRED=1.1
-WAYLAND_REQUIRED=1.2.0
+WAYLAND_REQUIRED=1.11
+WAYLAND_PROTOCOLS_REQUIRED=1.8
 XCB_REQUIRED=1.9.3
 XCBDRI2_REQUIRED=1.8
 XCBGLX_REQUIRED=1.8.1
+XDAMAGE_REQUIRED=1.1
 XSHMFENCE_REQUIRED=1.1
 XVMC_REQUIRED=1.0.6
 PYTHON_MAKO_REQUIRED=0.8.0
 LIBSENSORS_REQUIRED=4.0.0
+ZLIB_REQUIRED=1.2.3
+
+dnl LLVM versions
+LLVM_REQUIRED_GALLIUM=3.3.0
+LLVM_REQUIRED_OPENCL=3.9.0
+LLVM_REQUIRED_R600=3.9.0
+LLVM_REQUIRED_RADEONSI=3.9.0
+LLVM_REQUIRED_RADV=3.9.0
+LLVM_REQUIRED_SWR=3.9.0
 
 dnl Check for progs
 AC_PROG_CPP
@@ -109,7 +124,6 @@ LT_PREREQ([2.2])
 LT_INIT([disable-static])
 
 AC_CHECK_PROG(RM, rm, [rm -f])
-AC_CHECK_PROG(XXD, xxd, [xxd])
 
 AX_PROG_BISON([],
               AS_IF([test ! -f "$srcdir/src/compiler/glsl/glcpp/glcpp-parse.c"],
@@ -230,6 +244,7 @@ AX_GCC_FUNC_ATTRIBUTE([unused])
 AX_GCC_FUNC_ATTRIBUTE([visibility])
 AX_GCC_FUNC_ATTRIBUTE([warn_unused_result])
 AX_GCC_FUNC_ATTRIBUTE([weak])
+AX_GCC_FUNC_ATTRIBUTE([alias])
 
 AM_CONDITIONAL([GEN_ASM_OFFSETS], test "x$GEN_ASM_OFFSETS" = xyes)
 
@@ -250,11 +265,11 @@ _SAVE_LDFLAGS="$LDFLAGS"
 _SAVE_CPPFLAGS="$CPPFLAGS"
 
 dnl Compiler macros
-DEFINES="-D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS"
+DEFINES="-D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
 AC_SUBST([DEFINES])
 android=no
 case "$host_os" in
-*-android)
+*-android*)
     android=yes
     ;;
 linux*|*-gnu*|gnu*|cygwin*)
@@ -267,86 +282,51 @@ 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"
-
-    if test "x$USE_GNU99" = xyes; then
-       CFLAGS="$CFLAGS -std=gnu99"
-    else
-       CFLAGS="$CFLAGS -std=c99"
-    fi
-
-    # Enable -Werror=implicit-function-declaration and
-    # -Werror=missing-prototypes, if available, or otherwise, just
-    # -Wmissing-prototypes.  This is particularly useful to avoid
-    # generating a loadable driver module that has undefined symbols.
-    save_CFLAGS="$CFLAGS"
-    AC_MSG_CHECKING([whether $CC supports -Werror=missing-prototypes])
-    CFLAGS="$CFLAGS -Werror=implicit-function-declaration"
-    CFLAGS="$CFLAGS -Werror=missing-prototypes"
-    AC_LINK_IFELSE([AC_LANG_PROGRAM()],
-                  AC_MSG_RESULT([yes]),
-                  [CFLAGS="$save_CFLAGS -Wmissing-prototypes";
-                   AC_MSG_RESULT([no])]);
-
-    # Enable -fvisibility=hidden if using a gcc that supports it
-    save_CFLAGS="$CFLAGS"
-    AC_MSG_CHECKING([whether $CC supports -fvisibility=hidden])
-    VISIBILITY_CFLAGS="-fvisibility=hidden"
-    CFLAGS="$CFLAGS $VISIBILITY_CFLAGS"
-    AC_LINK_IFELSE([AC_LANG_PROGRAM()], AC_MSG_RESULT([yes]),
-                  [VISIBILITY_CFLAGS=""; AC_MSG_RESULT([no])]);
-
-    # Restore CFLAGS; VISIBILITY_CFLAGS are added to it where needed.
-    CFLAGS=$save_CFLAGS
-
-    # We don't want floating-point math functions to set errno or trap
-    CFLAGS="$CFLAGS -fno-math-errno -fno-trapping-math"
-
-    # Flags to help ensure that certain portions of the code -- and only those
-    # portions -- can be built with MSVC:
-    # - src/util, src/gallium/auxiliary, rc/gallium/drivers/llvmpipe, and
-    # - non-Linux/Posix OpenGL portions needs to build on MSVC 2013 (which
-    #   supports most of C99)
-    # - the rest has no compiler compiler restrictions
-    MSVC2013_COMPAT_CFLAGS="-Werror=pointer-arith"
-    MSVC2013_COMPAT_CXXFLAGS="-Werror=pointer-arith"
-
-    # Enable -Werror=vla if compiler supports it
-    save_CFLAGS="$CFLAGS"
-    AC_MSG_CHECKING([whether $CC supports -Werror=vla])
-    CFLAGS="$CFLAGS -Werror=vla"
-    AC_LINK_IFELSE([AC_LANG_PROGRAM()],
-                  [MSVC2013_COMPAT_CFLAGS="$MSVC2013_COMPAT_CFLAGS -Werror=vla";
-                   MSVC2013_COMPAT_CXXFLAGS="$MSVC2013_COMPAT_CXXFLAGS -Werror=vla";
-                   AC_MSG_RESULT([yes])],
-                   AC_MSG_RESULT([no]));
-    CFLAGS="$save_CFLAGS"
-fi
-if test "x$GXX" = xyes; then
-    CXXFLAGS="$CXXFLAGS -Wall"
-
-    # Enable -fvisibility=hidden if using a gcc that supports it
-    save_CXXFLAGS="$CXXFLAGS"
-    AC_MSG_CHECKING([whether $CXX supports -fvisibility=hidden])
-    VISIBILITY_CXXFLAGS="-fvisibility=hidden"
-    CXXFLAGS="$CXXFLAGS $VISIBILITY_CXXFLAGS"
-    AC_LANG_PUSH([C++])
-    AC_LINK_IFELSE([AC_LANG_PROGRAM()], AC_MSG_RESULT([yes]),
-                  [VISIBILITY_CXXFLAGS="" ; AC_MSG_RESULT([no])]);
-    AC_LANG_POP([C++])
+dnl
+dnl Check compiler flags
+dnl
+AX_CHECK_COMPILE_FLAG([-Wall],                                 [CFLAGS="$CFLAGS -Wall"])
+AX_CHECK_COMPILE_FLAG([-Werror=implicit-function-declaration], [CFLAGS="$CFLAGS -Werror=implicit-function-declaration"])
+AX_CHECK_COMPILE_FLAG([-Werror=missing-prototypes],            [CFLAGS="$CFLAGS -Werror=missing-prototypes"])
+AX_CHECK_COMPILE_FLAG([-Wmissing-prototypes],                  [CFLAGS="$CFLAGS -Wmissing-prototypes"])
+AX_CHECK_COMPILE_FLAG([-fno-math-errno],                       [CFLAGS="$CFLAGS -fno-math-errno"])
+AX_CHECK_COMPILE_FLAG([-fno-trapping-math],                    [CFLAGS="$CFLAGS -fno-trapping-math"])
+AX_CHECK_COMPILE_FLAG([-fvisibility=hidden],                   [VISIBILITY_CFLAGS="-fvisibility=hidden"])
 
-    # Restore CXXFLAGS; VISIBILITY_CXXFLAGS are added to it where needed.
-    CXXFLAGS=$save_CXXFLAGS
+dnl
+dnl Check C++ compiler flags
+dnl
+AC_LANG_PUSH([C++])
+AX_CHECK_COMPILE_FLAG([-Wall],                                 [CXXFLAGS="$CXXFLAGS -Wall"])
+AX_CHECK_COMPILE_FLAG([-fno-math-errno],                       [CXXFLAGS="$CXXFLAGS -fno-math-errno"])
+AX_CHECK_COMPILE_FLAG([-fno-trapping-math],                    [CXXFLAGS="$CXXFLAGS -fno-trapping-math"])
+AX_CHECK_COMPILE_FLAG([-fvisibility=hidden],                   [VISIBILITY_CXXFLAGS="-fvisibility=hidden"])
+AC_LANG_POP([C++])
 
-    # We don't want floating-point math functions to set errno or trap
-    CXXFLAGS="$CXXFLAGS -fno-math-errno -fno-trapping-math"
-fi
+# 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
+# - non-Linux/Posix OpenGL portions needs to build on MSVC 2013 (which
+#   supports most of C99)
+# - the rest has no compiler compiler restrictions
+AX_CHECK_COMPILE_FLAG([-Werror=pointer-arith],                 [MSVC2013_COMPAT_CFLAGS="-Werror=pointer-arith"])
+AX_CHECK_COMPILE_FLAG([-Werror=vla],                           [MSVC2013_COMPAT_CFLAGS="-Werror=vla"])
+AC_LANG_PUSH([C++])
+AX_CHECK_COMPILE_FLAG([-Werror=pointer-arith],                 [MSVC2013_COMPAT_CXXFLAGS="-Werror=pointer-arith"])
+AX_CHECK_COMPILE_FLAG([-Werror=vla],                           [MSVC2013_COMPAT_CXXFLAGS="-Werror=vla"])
+AC_LANG_POP([C++])
 
 AC_SUBST([MSVC2013_COMPAT_CFLAGS])
 AC_SUBST([MSVC2013_COMPAT_CXXFLAGS])
 
+if test "x$GCC" = xyes; then
+    if test "x$USE_GNU99" = xyes; then
+        CFLAGS="$CFLAGS -std=gnu99"
+    else
+        CFLAGS="$CFLAGS -std=c99"
+    fi
+fi
+
 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
 case "$host_os" in
@@ -359,6 +339,10 @@ esac
 AC_SUBST([VISIBILITY_CFLAGS])
 AC_SUBST([VISIBILITY_CXXFLAGS])
 
+AX_CHECK_COMPILE_FLAG([-Wno-override-init],                    [WNO_OVERRIDE_INIT="-Wno-override-init"])         # gcc
+AX_CHECK_COMPILE_FLAG([-Wno-initializer-overrides],            [WNO_OVERRIDE_INIT="-Wno-initializer-overrides"]) # clang
+AC_SUBST([WNO_OVERRIDE_INIT])
+
 dnl
 dnl Optional flags, check for compiler support
 dnl
@@ -395,8 +379,35 @@ int main() {
 }]])], GCC_ATOMIC_BUILTINS_SUPPORTED=1)
 if test "x$GCC_ATOMIC_BUILTINS_SUPPORTED" = x1; then
     DEFINES="$DEFINES -DUSE_GCC_ATOMIC_BUILTINS"
+    dnl On some platforms, new-style atomics need a helper library
+    AC_MSG_CHECKING(whether -latomic is needed)
+    AC_LINK_IFELSE([AC_LANG_SOURCE([[
+    #include <stdint.h>
+    uint64_t v;
+    int main() {
+        return (int)__atomic_load_n(&v, __ATOMIC_ACQUIRE);
+    }]])], GCC_ATOMIC_BUILTINS_NEED_LIBATOMIC=no, GCC_ATOMIC_BUILTINS_NEED_LIBATOMIC=yes)
+    AC_MSG_RESULT($GCC_ATOMIC_BUILTINS_NEED_LIBATOMIC)
+    if test "x$GCC_ATOMIC_BUILTINS_NEED_LIBATOMIC" = xyes; then
+        LIBATOMIC_LIBS="-latomic"
+    fi
 fi
 AM_CONDITIONAL([GCC_ATOMIC_BUILTINS_SUPPORTED], [test x$GCC_ATOMIC_BUILTINS_SUPPORTED = x1])
+AC_SUBST([LIBATOMIC_LIBS])
+
+dnl Check if host supports 64-bit atomics
+dnl note that lack of support usually results in link (not compile) error
+AC_MSG_CHECKING(whether __sync_add_and_fetch_8 is supported)
+AC_LINK_IFELSE([AC_LANG_SOURCE([[
+#include <stdint.h>
+uint64_t v;
+int main() {
+    return __sync_add_and_fetch(&v, (uint64_t)1);
+}]])], GCC_64BIT_ATOMICS_SUPPORTED=yes, GCC_64BIT_ATOMICS_SUPPORTED=no)
+if test "x$GCC_64BIT_ATOMICS_SUPPORTED" != xyes; then
+    DEFINES="$DEFINES -DMISSING_64BIT_ATOMICS"
+fi
+AC_MSG_RESULT($GCC_64BIT_ATOMICS_SUPPORTED)
 
 dnl Check for Endianness
 AC_C_BIGENDIAN(
@@ -426,7 +437,7 @@ int main () {
 CFLAGS=$save_CFLAGS
 
 AC_ARG_ENABLE(pwr8,
-   [AC_HELP_STRING([--disable-pwr8-inst],
+   [AS_HELP_STRING([--disable-pwr8],
                    [disable POWER8-specific instructions])],
    [enable_pwr8=$enableval], [enable_pwr8=auto])
 
@@ -458,12 +469,10 @@ dnl explicitly requested. If both disabled, set to static since shared
 dnl was explicitly requested.
 case "x$enable_static$enable_shared" in
 xyesyes)
-    AC_MSG_WARN([Cannot build static and shared libraries, disabling shared])
-    enable_shared=no
+    AC_MSG_ERROR([Cannot enable both static and shared. Building using --enable-shared is strongly recommended])
     ;;
 xnono)
-    AC_MSG_WARN([Cannot disable both static and shared libraries, enabling shared])
-    enable_shared=yes
+    AC_MSG_ERROR([Cannot disable both static and shared. Building using --enable-shared is strongly recommended])
     ;;
 esac
 
@@ -486,6 +495,12 @@ AC_ARG_ENABLE([profile],
     [enable_profile=no]
 )
 
+AC_ARG_ENABLE([sanitize],
+    [AS_HELP_STRING([--enable-sanitize@<:@=address|undefined@:>@],
+        [enable code sanitizer @<:@default=disabled@:>@])],
+    [enable_sanitize="$enableval"],
+    [enable_sanitize=no])
+
 if test "x$enable_profile" = xyes; then
     DEFINES="$DEFINES -DPROFILE"
     if test "x$GCC" = xyes; then
@@ -521,7 +536,20 @@ else
    DEFINES="$DEFINES -DNDEBUG"
 fi
 
-DEFAULT_GL_LIB_NAME=GL
+if test "x$enable_sanitize" != xno; then
+    if test "x$enable_profile" = xyes; then
+        AC_MSG_WARN([Sanitize and Profile are enabled at the same time])
+    fi
+
+    CFLAGS="$CFLAGS -fsanitize=$enable_sanitize"
+    CXXFLAGS="$CXXFLAGS -fsanitize=$enable_sanitize"
+    LDFLAGS="$LDFLAGS -fsanitize=$enable_sanitize"
+
+    AC_LINK_IFELSE(
+        [AC_LANG_SOURCE([int main(){return 0;}])],
+        [],
+        [AC_MSG_FAILURE([sanitize flags '$enable_sanitize' not supported])])
+fi
 
 dnl
 dnl Check if linker supports -Bsymbolic
@@ -563,7 +591,12 @@ case "$host_os" in
 openbsd* | darwin* )
     LD_NO_UNDEFINED="" ;;
 *)
-    LD_NO_UNDEFINED="-Wl,--no-undefined" ;;
+    if test "x$enable_sanitize" = xno; then
+        LD_NO_UNDEFINED="-Wl,--no-undefined"
+    else
+        LD_NO_UNDEFINED=""
+    fi
+    ;;
 esac
 
 AC_SUBST([LD_NO_UNDEFINED])
@@ -573,16 +606,7 @@ dnl Check if linker supports version scripts
 dnl
 AC_MSG_CHECKING([if the linker supports version-scripts])
 save_LDFLAGS=$LDFLAGS
-LDFLAGS="$LDFLAGS -Wl,--version-script=conftest.map"
-cat > conftest.map <<EOF
-VERSION_1 {
-     global:
-         main;
-
-     local:
-         *;
-};
-EOF
+LDFLAGS="$LDFLAGS -Wl,--version-script=$srcdir/build-support/conftest.map"
 AC_LINK_IFELSE(
     [AC_LANG_SOURCE([int main() { return 0;}])],
     [have_ld_version_script=yes;AC_MSG_RESULT(yes)],
@@ -595,12 +619,7 @@ dnl Check if linker supports dynamic list files
 dnl
 AC_MSG_CHECKING([if the linker supports --dynamic-list])
 save_LDFLAGS=$LDFLAGS
-LDFLAGS="$LDFLAGS -Wl,--dynamic-list=conftest.dyn"
-cat > conftest.dyn <<EOF
-{
-       radeon_drm_winsys_create;
-};
-EOF
+LDFLAGS="$LDFLAGS -Wl,--dynamic-list=$srcdir/build-support/conftest.dyn"
 AC_LINK_IFELSE(
     [AC_LANG_SOURCE([int main() { return 0;}])],
     [have_ld_dynamic_list=yes;AC_MSG_RESULT(yes)],
@@ -620,23 +639,6 @@ 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
@@ -670,36 +672,6 @@ esac
 
 AC_SUBST([LIB_EXT])
 
-AC_ARG_WITH([gl-lib-name],
-  [AS_HELP_STRING([--with-gl-lib-name@<:@=NAME@:>@],
-    [specify GL library name @<:@default=GL@:>@])],
-  [GL_LIB=$withval],
-  [GL_LIB="$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="$DEFAULT_GL_LIB_NAME"])
-AS_IF([test "x$OSMESA_LIB" = xyes], [OSMESA_LIB=OSMesa])
-
-dnl
-dnl Mangled Mesa support
-dnl
-AC_ARG_ENABLE([mangling],
-  [AS_HELP_STRING([--enable-mangling],
-    [enable mangled symbols and library name @<:@default=disabled@:>@])],
-  [enable_mangling="${enableval}"],
-  [enable_mangling=no]
-)
-if test "x${enable_mangling}" = "xyes" ; then
-  DEFINES="${DEFINES} -DUSE_MGL_NAMESPACE"
-  GL_LIB="Mangled${GL_LIB}"
-  OSMESA_LIB="Mangled${OSMESA_LIB}"
-fi
-AC_SUBST([GL_LIB])
-AC_SUBST([OSMESA_LIB])
-
 dnl
 dnl potentially-infringing-but-nobody-knows-for-sure stuff
 dnl
@@ -720,7 +692,7 @@ dnl Arch/platform-specific settings
 dnl
 AC_ARG_ENABLE([asm],
     [AS_HELP_STRING([--disable-asm],
-        [disable assembly usage @<:@default=enabled on supported plaforms@:>@])],
+        [disable assembly usage @<:@default=enabled on supported platforms@:>@])],
     [enable_asm="$enableval"],
     [enable_asm=yes]
 )
@@ -762,6 +734,27 @@ if test "x$enable_asm" = xyes; then
             ;;
         esac
         ;;
+    powerpc64le)
+        case "$host_os" in
+        linux*)
+            asm_arch=ppc64le
+            ;;
+        esac
+        ;;
+    aarch64)
+        case "$host_os" in
+        linux*)
+            asm_arch=aarch64
+            ;;
+        esac
+        ;;
+    arm)
+        case "$host_os" in
+        linux*)
+            asm_arch=arm
+            ;;
+        esac
+        ;;
     esac
 
     case "$asm_arch" in
@@ -777,6 +770,18 @@ if test "x$enable_asm" = xyes; then
         DEFINES="$DEFINES -DUSE_SPARC_ASM"
         AC_MSG_RESULT([yes, sparc])
         ;;
+    ppc64le)
+        DEFINES="$DEFINES -DUSE_PPC64LE_ASM"
+        AC_MSG_RESULT([yes, ppc64le])
+        ;;
+    aarch64)
+        DEFINES="$DEFINES -DUSE_AARCH64_ASM"
+        AC_MSG_RESULT([yes, aarch64])
+        ;;
+    arm)
+        DEFINES="$DEFINES -DUSE_ARM_ASM"
+        AC_MSG_RESULT([yes, arm])
+        ;;
     *)
         AC_MSG_RESULT([no, platform not supported])
         ;;
@@ -789,11 +794,32 @@ 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"])
 
+AC_MSG_CHECKING([whether strtod has locale support])
+AC_LINK_IFELSE([AC_LANG_SOURCE([[
+    #define _GNU_SOURCE
+    #include <stdlib.h>
+    #include <locale.h>
+    #ifdef HAVE_XLOCALE_H
+    #include <xlocale.h>
+    #endif
+    int main() {
+       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
+       const char *s = "1.0";
+       char *end;
+       double d = strtod_l(s, end, loc);
+       float f = strtof_l(s, end, loc);
+       freelocale(loc);
+       return 0;
+    }]])],
+  [DEFINES="$DEFINES -DHAVE_STRTOD_L"];
+   AC_MSG_RESULT([yes]),
+   AC_MSG_RESULT([no]))
+
 dnl Check to see if dlopen is in default libraries (like Solaris, which
 dnl has it in libc), or if libdl is needed to get it.
-AC_CHECK_FUNC([dlopen], [DEFINES="$DEFINES -DHAVE_DLOPEN"],
+AC_CHECK_FUNC([dlopen], [],
     [AC_CHECK_LIB([dl], [dlopen],
-       [DEFINES="$DEFINES -DHAVE_DLOPEN"; DLOPEN_LIBS="-ldl"])])
+       [DLOPEN_LIBS="-ldl"])])
 AC_SUBST([DLOPEN_LIBS])
 
 dnl Check if that library also has dladdr
@@ -802,6 +828,8 @@ LIBS="$LIBS $DLOPEN_LIBS"
 AC_CHECK_FUNCS([dladdr])
 LIBS="$save_LIBS"
 
+AC_CHECK_FUNC([dl_iterate_phdr], [DEFINES="$DEFINES -DHAVE_DL_ITERATE_PHDR"])
+
 case "$host_os" in
 darwin*)
     ;;
@@ -816,6 +844,9 @@ esac
 dnl See if posix_memalign is available
 AC_CHECK_FUNC([posix_memalign], [DEFINES="$DEFINES -DHAVE_POSIX_MEMALIGN"])
 
+dnl Check for zlib
+PKG_CHECK_MODULES([ZLIB], [zlib >= $ZLIB_REQUIRED])
+
 dnl Check for pthreads
 AX_PTHREAD
 if test "x$ax_pthread_ok" = xno; then
@@ -828,10 +859,16 @@ dnl is not valid for that platform.
 if test "x$android" = xno; then
     test -z "$PTHREAD_LIBS" && PTHREAD_LIBS="-lpthread"
 fi
+dnl According to the manual when using pthreads, one should add -pthread to
+dnl both compile and link-time arguments.
+dnl In practise that should be sufficient for all platforms, since any
+dnl platforms build with GCC and Clang support the flag.
+PTHREAD_LIBS="$PTHREAD_LIBS -pthread"
 
-dnl pthread-stubs is mandatory on targets where it exists
+dnl pthread-stubs is mandatory on BSD platforms, due to the nature of the
+dnl project. Even then there's a notable issue as described in the project README
 case "$host_os" in
-cygwin* )
+linux* | cygwin* | darwin* | solaris* | *-gnu* | gnu*)
     pthread_stubs_possible="no"
     ;;
 * )
@@ -840,9 +877,7 @@ cygwin* )
 esac
 
 if test "x$pthread_stubs_possible" = xyes; then
-    PKG_CHECK_MODULES(PTHREADSTUBS, pthread-stubs)
-    AC_SUBST(PTHREADSTUBS_CFLAGS)
-    AC_SUBST(PTHREADSTUBS_LIBS)
+    PKG_CHECK_MODULES(PTHREADSTUBS, pthread-stubs >= 0.4)
 fi
 
 dnl SELinux awareness.
@@ -899,7 +934,20 @@ llvm_add_component() {
     new_llvm_component=$1
     driver_name=$2
 
-    LLVM_COMPONENTS="$LLVM_COMPONENTS $new_llvm_component"
+    if $LLVM_CONFIG --components | grep -iqw $new_llvm_component ; then
+        LLVM_COMPONENTS="${LLVM_COMPONENTS} ${new_llvm_component}"
+    else
+        AC_MSG_ERROR([LLVM component '$new_llvm_component' not enabled in your LLVM build. Required by $driver_name.])
+    fi
+}
+
+llvm_add_optional_component() {
+    new_llvm_component=$1
+    driver_name=$2
+
+    if $LLVM_CONFIG --components | grep -iqw $new_llvm_component ; then
+        LLVM_COMPONENTS="${LLVM_COMPONENTS} ${new_llvm_component}"
+    fi
 }
 
 llvm_add_default_components() {
@@ -912,9 +960,7 @@ llvm_add_default_components() {
     llvm_add_component "mcjit" $driver_name
 
     # Optional default components
-    if $LLVM_CONFIG --components | grep -iqw inteljitevents ; then
-        LLVM_COMPONENTS="$LLVM_COMPONENTS inteljitevents"
-    fi
+    llvm_add_optional_component "inteljitevents" $driver_name
 }
 
 llvm_add_target() {
@@ -931,99 +977,94 @@ llvm_add_target() {
 # Call this inside ` ` to get the return value.
 # $1 is the llvm-config command with arguments.
 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' \
-        -e 's/-Wcovered-switch-default\>//g' \
-        -e 's/-O.\>//g' \
-        -e 's/-g\>//g' \
-        -e 's/-Wall\>//g' \
-        -e 's/-Wcast-qual\>//g' \
-        -e 's/-Woverloaded-virtual\>//g' \
-        -e 's/-fcolor-diagnostics\>//g' \
-        -e 's/-fdata-sections\>//g' \
-        -e 's/-ffunction-sections\>//g' \
-        -e 's/-fno-exceptions\>//g' \
-        -e 's/-fomit-frame-pointer\>//g' \
-        -e 's/-fvisibility-inlines-hidden\>//g' \
-        -e 's/-fPIC\>//g' \
-        -e 's/-fstack-protector-strong\>//g'
+    echo " `$1` " | sed -E \
+        -e 's/[[[:space:]]]+-m[[^[:space:]]]*//g' \
+        -e 's/[[[:space:]]]+-DNDEBUG[[[:space:]]]/ /g' \
+        -e 's/[[[:space:]]]+-D_GNU_SOURCE[[[:space:]]]/ /g' \
+        -e 's/[[[:space:]]]+-pedantic[[[:space:]]]/ /g' \
+        -e 's/[[[:space:]]]+-W[[^[:space:]]]*//g' \
+        -e 's/[[[:space:]]]+-O[[^[:space:]]]*//g' \
+        -e 's/[[[:space:]]]+-g[[^[:space:]]]*//g' \
+        -e 's/-fno-rtti[[[:space:]]]/-Fno-rtti /g' \
+        -e 's/[[[:space:]]]+-f[[^[:space:]]]*//g' \
+        -e 's/-Fno-rtti[[[:space:]]]/-fno-rtti /g' \
+        -e 's/^[[[:space:]]]//' \
+        -e 's/[[[:space:]]]$//'
 }
 
 llvm_set_environment_variables() {
     if test "x$LLVM_CONFIG" != xno; then
         LLVM_VERSION=`$LLVM_CONFIG --version | egrep -o '^[[0-9.]]+'`
-        LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
-        LLVM_BINDIR=`$LLVM_CONFIG --bindir`
         LLVM_CPPFLAGS=`strip_unwanted_llvm_flags "$LLVM_CONFIG --cppflags"`
-        LLVM_CFLAGS=$LLVM_CPPFLAGS   # CPPFLAGS seem to be sufficient
-        LLVM_CXXFLAGS=`strip_unwanted_llvm_flags "$LLVM_CONFIG --cxxflags"`
         LLVM_INCLUDEDIR=`$LLVM_CONFIG --includedir`
         LLVM_LIBDIR=`$LLVM_CONFIG --libdir`
 
+        # We need to respect LLVM_CPPFLAGS when compiling LLVM headers.
+        save_CFLAGS="$CFLAGS"
+        CFLAGS="$CFLAGS $LLVM_CPPFLAGS"
+
         AC_COMPUTE_INT([LLVM_VERSION_MAJOR], [LLVM_VERSION_MAJOR],
             [#include "${LLVM_INCLUDEDIR}/llvm/Config/llvm-config.h"])
         AC_COMPUTE_INT([LLVM_VERSION_MINOR], [LLVM_VERSION_MINOR],
             [#include "${LLVM_INCLUDEDIR}/llvm/Config/llvm-config.h"])
+        AC_COMPUTE_INT([LLVM_VERSION_PATCH], [LLVM_VERSION_PATCH],
+            [#include "${LLVM_INCLUDEDIR}/llvm/Config/llvm-config.h"])
+
+        CFLAGS="$save_CFLAGS"
 
-        LLVM_VERSION_PATCH=`echo $LLVM_VERSION | cut -d. -f3 | egrep -o '^[[0-9]]+'`
+        # Only needed for LLVM < 3.6.0
         if test -z "$LLVM_VERSION_PATCH"; then
             LLVM_VERSION_PATCH=0
         fi
 
-        if test -n "${LLVM_VERSION_MAJOR}"; then
-            LLVM_VERSION_INT="${LLVM_VERSION_MAJOR}0${LLVM_VERSION_MINOR}"
-        else
-            LLVM_VERSION_INT=`echo $LLVM_VERSION | sed -e 's/\([[0-9]]\)\.\([[0-9]]\)/\10\2/g'`
-        fi
+        LLVM_VERSION_INT="${LLVM_VERSION_MAJOR}0${LLVM_VERSION_MINOR}"
 
-        LLVM_REQUIRED_VERSION_MAJOR="3"
-        LLVM_REQUIRED_VERSION_MINOR="3"
-        if test "$LLVM_VERSION_INT" -lt "${LLVM_REQUIRED_VERSION_MAJOR}0${LLVM_REQUIRED_VERSION_MINOR}"; then
-            AC_MSG_ERROR([LLVM $LLVM_REQUIRED_VERSION_MAJOR.$LLVM_REQUIRED_VERSION_MINOR or newer is required])
-        fi
+        FOUND_LLVM=yes
+    else
+        FOUND_LLVM=no
+        LLVM_VERSION_INT=0
+    fi
+}
 
-        llvm_add_default_components "gallium"
+require_llvm() {
+    if test "x$enable_llvm" != "xyes"; then
+        AC_MSG_ERROR([--enable-llvm is required when building $1])
+    fi
+}
 
-        if test "x$enable_opencl" = xyes; then
-            llvm_check_version_for "3" "6" "0" "opencl"
+llvm_require_version() {
+    require_llvm $2
 
-            llvm_add_component "all-targets" "opencl"
-            llvm_add_component "ipo" "opencl"
-            llvm_add_component "linker" "opencl"
-            llvm_add_component "instrumentation" "opencl"
-            llvm_add_component "irreader" "opencl"
-            llvm_add_component "option" "opencl"
-            llvm_add_component "objcarcopts" "opencl"
-            llvm_add_component "profiledata" "opencl"
-        fi
-        DEFINES="${DEFINES} -DHAVE_LLVM=0x0$LLVM_VERSION_INT -DMESA_LLVM_VERSION_PATCH=$LLVM_VERSION_PATCH"
-        MESA_LLVM=1
+    llvm_target_version_major=`echo $1 | cut -d. -f1 | egrep -o '^[[0-9]]+'`
+    llvm_target_version_minor=`echo $1 | cut -d. -f2 | egrep -o '^[[0-9]]+'`
+    llvm_target_version_patch=`echo $1 | cut -d. -f3 | egrep -o '^[[0-9]]+'`
+
+    if test "$LLVM_VERSION_MAJOR" -gt "$llvm_target_version_major"; then
+        # major > required major
+        #  --> OK
+        return
+    fi
 
-        dnl Check for Clang internal headers
-        if test "x$enable_opencl" = xyes; then
-            if test -z "$CLANG_LIBDIR"; then
-                CLANG_LIBDIR=${LLVM_LIBDIR}
+    if test "$LLVM_VERSION_MAJOR" -eq "$llvm_target_version_major"; then
+        if test "$LLVM_VERSION_MINOR" -gt "$llvm_target_version_minor"; then
+            # major = required major and
+            # minor > required minor
+            #  --> OK
+            return
+        else
+            if test "$LLVM_VERSION_MINOR" -eq "$llvm_target_version_minor"; then
+                if test "$LLVM_VERSION_PATCH" -ge "$llvm_target_version_patch"; then
+                    # major = required major and
+                    # minor = required minor and
+                    # patch >= required patch
+                    #  --> OK
+                    return
+                fi
             fi
-            CLANG_RESOURCE_DIR=$CLANG_LIBDIR/clang/${LLVM_VERSION}
-            AS_IF([test ! -f "$CLANG_RESOURCE_DIR/include/stddef.h"],
-                [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.])])
         fi
-    else
-        MESA_LLVM=0
-        LLVM_VERSION_INT=0
     fi
-}
 
-llvm_check_version_for() {
-    if test "${LLVM_VERSION_INT}${LLVM_VERSION_PATCH}" -lt "${1}0${2}${3}"; then
-        AC_MSG_ERROR([LLVM $1.$2.$3 or newer is required for $4])
-    fi
+    AC_MSG_ERROR([LLVM $1 or newer is required for $2])
 }
 
 radeon_llvm_check() {
@@ -1033,19 +1074,43 @@ radeon_llvm_check() {
         amdgpu_llvm_target_name='amdgpu'
     fi
 
-    llvm_check_version_for $2 $3 $4 $1
+    llvm_require_version $*
 
-    llvm_add_target $amdgpu_llvm_target_name $1
+    llvm_add_target $amdgpu_llvm_target_name $2
 
-    llvm_add_component "bitreader" $1
-    llvm_add_component "ipo" $1
+    llvm_add_default_components $2
+    llvm_add_component "bitreader" $2
+    llvm_add_component "ipo" $2
 
-    NEED_RADEON_LLVM=yes
     if test "x$have_libelf" != xyes; then
-       AC_MSG_ERROR([$1 requires libelf when using llvm])
+       AC_MSG_ERROR([$2 requires libelf when using llvm])
     fi
 }
 
+llvm_set_environment_variables
+
+AC_SUBST([LLVM_CFLAGS])
+AC_SUBST([LLVM_CXXFLAGS])
+AC_SUBST([LLVM_LIBS])
+AC_SUBST([LLVM_LDFLAGS])
+AC_SUBST([LLVM_INCLUDEDIR])
+
+dnl
+dnl libunwind
+dnl
+PKG_CHECK_EXISTS(libunwind, [HAVE_LIBUNWIND=yes], [HAVE_LIBUNWIND=no])
+AC_ARG_ENABLE([libunwind],
+    [AS_HELP_STRING([--enable-libunwind],
+            [Use libunwind for backtracing (default: auto)])],
+        [LIBUNWIND="$enableval"],
+        [LIBUNWIND="$HAVE_LIBUNWIND"])
+
+if test "x$LIBUNWIND" = "xyes"; then
+    PKG_CHECK_MODULES(LIBUNWIND, libunwind)
+    AC_DEFINE(HAVE_LIBUNWIND, 1, [Have libunwind support])
+fi
+
+
 dnl Options for APIs
 AC_ARG_ENABLE([opengl],
     [AS_HELP_STRING([--disable-opengl],
@@ -1089,11 +1154,11 @@ AC_ARG_ENABLE([lmsensors],
 AM_CONDITIONAL(HAVE_LIBSENSORS, test "x$enable_lmsensors" = xyes)
 if test "x$enable_lmsensors" = xyes ; then
     DEFINES="${DEFINES} -DHAVE_LIBSENSORS=1"
-    LIBSENSORS_LDFLAGS="-lsensors"
+    LIBSENSORS_LIBS="-lsensors"
 else
-    LIBSENSORS_LDFLAGS=""
+    LIBSENSORS_LIBS=""
 fi
-AC_SUBST(LIBSENSORS_LDFLAGS)
+AC_SUBST(LIBSENSORS_LIBS)
 
 case "$host_os" in
 linux*)
@@ -1169,9 +1234,14 @@ AC_ARG_ENABLE([vdpau],
    [enable_vdpau=auto])
 AC_ARG_ENABLE([omx],
    [AS_HELP_STRING([--enable-omx],
-         [enable OpenMAX library @<:@default=disabled@:>@])],
-   [enable_omx="$enableval"],
-   [enable_omx=no])
+         [DEPRECATED: Use --enable-omx-bellagio instead @<:@default=auto@:>@])],
+   [AC_MSG_ERROR([--enable-omx is deprecated. Use --enable-omx-bellagio instead.])],
+   [])
+AC_ARG_ENABLE([omx-bellagio],
+   [AS_HELP_STRING([--enable-omx-bellagio],
+         [enable OpenMAX Bellagio library @<:@default=disabled@:>@])],
+   [enable_omx_bellagio="$enableval"],
+   [enable_omx_bellagio=no])
 AC_ARG_ENABLE([va],
    [AS_HELP_STRING([--enable-va],
          [enable va library @<:@default=auto@:>@])],
@@ -1203,7 +1273,7 @@ GALLIUM_DRIVERS_DEFAULT="r300,r600,svga,swrast"
 AC_ARG_WITH([gallium-drivers],
     [AS_HELP_STRING([--with-gallium-drivers@<:@=DIRS...@:>@],
         [comma delimited Gallium drivers list, e.g.
-        "i915,ilo,nouveau,r300,r600,radeonsi,freedreno,svga,swrast,vc4,virgl"
+        "i915,nouveau,r300,r600,radeonsi,freedreno,pl111,svga,swrast,swr,vc4,vc5,virgl,etnaviv,imx"
         @<:@default=r300,r600,svga,swrast@:>@])],
     [with_gallium_drivers="$withval"],
     [with_gallium_drivers="$GALLIUM_DRIVERS_DEFAULT"])
@@ -1222,7 +1292,7 @@ if test "x$enable_opengl" = xno -a \
         "x$enable_xa" = xno -a \
         "x$enable_xvmc" = xno -a \
         "x$enable_vdpau" = xno -a \
-        "x$enable_omx" = xno -a \
+        "x$enable_omx_bellagio" = xno -a \
         "x$enable_va" = xno -a \
         "x$enable_opencl" = xno; then
     AC_MSG_ERROR([at least one API should be enabled])
@@ -1245,6 +1315,9 @@ AM_CONDITIONAL(HAVE_OPENGL_ES2, test "x$enable_gles2" = xyes)
 AM_CONDITIONAL(NEED_OPENGL_COMMON, test "x$enable_opengl" = xyes -o \
                                         "x$enable_gles1" = xyes -o \
                                         "x$enable_gles2" = xyes)
+AM_CONDITIONAL(NEED_KHRPLATFORM, test "x$enable_egl" = xyes -o \
+                                      "x$enable_gles1" = xyes -o \
+                                      "x$enable_gles2" = xyes)
 
 # Validate GLX options
 if test "x$enable_glx" = xyes; then
@@ -1297,15 +1370,18 @@ AM_CONDITIONAL(HAVE_DRI_GLX, test "x$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)
 
+DEFAULT_GL_LIB_NAME=GL
+
 dnl
 dnl Libglvnd configuration
 dnl
 AC_ARG_ENABLE([libglvnd],
     [AS_HELP_STRING([--enable-libglvnd],
-        [Build for libglvnd @<:@default=disabled@:>@])],
+        [Build GLX and EGL for libglvnd @<:@default=disabled@:>@])],
     [enable_libglvnd="$enableval"],
     [enable_libglvnd=no])
-AM_CONDITIONAL(USE_LIBGLVND_GLX, test "x$enable_libglvnd" = xyes)
+AM_CONDITIONAL(USE_LIBGLVND, 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
@@ -1321,16 +1397,49 @@ if test "x$enable_libglvnd" = xyes ; then
         ;;
     esac
 
-    PKG_CHECK_MODULES([GLVND], libglvnd >= 0.1.0)
-    DEFINES="${DEFINES} -DUSE_LIBGLVND_GLX=1"
+    PKG_CHECK_MODULES([GLVND], libglvnd >= 0.2.0)
+    LIBGLVND_DATADIR=`$PKG_CONFIG --variable=datadir libglvnd`
+    AC_SUBST([LIBGLVND_DATADIR])
+
+    DEFINES="${DEFINES} -DUSE_LIBGLVND=1"
     DEFAULT_GL_LIB_NAME=GLX_mesa
 fi
 
+AC_ARG_WITH([gl-lib-name],
+  [AS_HELP_STRING([--with-gl-lib-name@<:@=NAME@:>@],
+    [specify GL library name @<:@default=GL@:>@])],
+  [GL_LIB=$withval],
+  [GL_LIB="$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="$DEFAULT_GL_LIB_NAME"])
+AS_IF([test "x$OSMESA_LIB" = xyes], [OSMESA_LIB=OSMesa])
+
+dnl
+dnl Mangled Mesa support
+dnl
+AC_ARG_ENABLE([mangling],
+  [AS_HELP_STRING([--enable-mangling],
+    [enable mangled symbols and library name @<:@default=disabled@:>@])],
+  [enable_mangling="${enableval}"],
+  [enable_mangling=no]
+)
+if test "x${enable_mangling}" = "xyes" ; then
+  DEFINES="${DEFINES} -DUSE_MGL_NAMESPACE"
+  GL_LIB="Mangled${GL_LIB}"
+  OSMESA_LIB="Mangled${OSMESA_LIB}"
+fi
+AC_SUBST([GL_LIB])
+AC_SUBST([OSMESA_LIB])
+
 # Check for libdrm
 PKG_CHECK_MODULES([LIBDRM], [libdrm >= $LIBDRM_REQUIRED],
                   [have_libdrm=yes], [have_libdrm=no])
 if test "x$have_libdrm" = xyes; then
-       DEFINES="$DEFINES -DHAVE_LIBDRM"
+    DEFINES="$DEFINES -DHAVE_LIBDRM"
 fi
 
 require_libdrm() {
@@ -1401,157 +1510,24 @@ if test "x$enable_gallium_osmesa" = xyes; then
     fi
 fi
 
-AC_SUBST([MESA_LLVM])
+require_dri_shared_libs_and_glapi() {
+    if test "x$enable_static" = xyes; then
+        AC_MSG_ERROR([$1 cannot be build as static library])
+    fi
 
-# SHA1 hashing
-AC_ARG_WITH([sha1],
-        [AS_HELP_STRING([--with-sha1=libc|libmd|libnettle|libgcrypt|libcrypto|libsha1|CommonCrypto|CryptoAPI],
-        [choose SHA1 implementation])])
-case "x$with_sha1" in
-x | xlibc | xlibmd | xlibnettle | xlibgcrypt | xlibcrypto | xlibsha1 | xCommonCrypto | xCryptoAPI)
-  ;;
-*)
-        AC_MSG_ERROR([Illegal value for --with-sha1: $with_sha1])
-esac
+    if test "x$enable_dri" != xyes; then
+        # There is only a single backend which won't be build/used otherwise.
+        # XXX: Revisit this as the egl/haiku is a thing.
+        AC_MSG_ERROR([$1 requires --enable-dri])
+    fi
 
-AC_CHECK_FUNC([SHA1Init], [HAVE_SHA1_IN_LIBC=yes])
-if test "x$with_sha1" = x && test "x$HAVE_SHA1_IN_LIBC" = xyes; then
-       with_sha1=libc
-fi
-if test "x$with_sha1" = xlibc && test "x$HAVE_SHA1_IN_LIBC" != xyes; then
-       AC_MSG_ERROR([sha1 in libc requested but not found])
-fi
-if test "x$with_sha1" = xlibc; then
-       AC_DEFINE([HAVE_SHA1_IN_LIBC], [1],
-               [Use libc SHA1 functions])
-       SHA1_LIBS=""
-fi
-AC_CHECK_FUNC([CC_SHA1_Init], [HAVE_SHA1_IN_COMMONCRYPTO=yes])
-if test "x$with_sha1" = x && test "x$HAVE_SHA1_IN_COMMONCRYPTO" = xyes; then
-       with_sha1=CommonCrypto
-fi
-if test "x$with_sha1" = xCommonCrypto && test "x$HAVE_SHA1_IN_COMMONCRYPTO" != xyes; then
-       AC_MSG_ERROR([CommonCrypto requested but not found])
-fi
-if test "x$with_sha1" = xCommonCrypto; then
-       AC_DEFINE([HAVE_SHA1_IN_COMMONCRYPTO], [1],
-               [Use CommonCrypto SHA1 functions])
-       SHA1_LIBS=""
-fi
-dnl stdcall functions cannot be tested with AC_CHECK_LIB
-AC_CHECK_HEADER([wincrypt.h], [HAVE_SHA1_IN_CRYPTOAPI=yes], [], [#include <windows.h>])
-if test "x$with_sha1" = x && test "x$HAVE_SHA1_IN_CRYPTOAPI" = xyes; then
-       with_sha1=CryptoAPI
-fi
-if test "x$with_sha1" = xCryptoAPI && test "x$HAVE_SHA1_IN_CRYPTOAPI" != xyes; then
-       AC_MSG_ERROR([CryptoAPI requested but not found])
-fi
-if test "x$with_sha1" = xCryptoAPI; then
-       AC_DEFINE([HAVE_SHA1_IN_CRYPTOAPI], [1],
-               [Use CryptoAPI SHA1 functions])
-       SHA1_LIBS=""
-fi
-AC_CHECK_LIB([md], [SHA1Init], [HAVE_LIBMD=yes])
-if test "x$with_sha1" = x && test "x$HAVE_LIBMD" = xyes; then
-       with_sha1=libmd
-fi
-if test "x$with_sha1" = xlibmd && test "x$HAVE_LIBMD" != xyes; then
-       AC_MSG_ERROR([libmd requested but not found])
-fi
-if test "x$with_sha1" = xlibmd; then
-       AC_DEFINE([HAVE_SHA1_IN_LIBMD], [1],
-                 [Use libmd SHA1 functions])
-       SHA1_LIBS=-lmd
-fi
-PKG_CHECK_MODULES([LIBSHA1], [libsha1], [HAVE_LIBSHA1=yes], [HAVE_LIBSHA1=no])
-if test "x$with_sha1" = x && test "x$HAVE_LIBSHA1" = xyes; then
-   with_sha1=libsha1
-fi
-if test "x$with_sha1" = xlibsha1 && test "x$HAVE_LIBSHA1" != xyes; then
-       AC_MSG_ERROR([libsha1 requested but not found])
-fi
-if test "x$with_sha1" = xlibsha1; then
-       AC_DEFINE([HAVE_SHA1_IN_LIBSHA1], [1],
-                 [Use libsha1 for SHA1])
-       SHA1_LIBS=-lsha1
-fi
-AC_CHECK_LIB([nettle], [nettle_sha1_init], [HAVE_LIBNETTLE=yes])
-if test "x$with_sha1" = x && test "x$HAVE_LIBNETTLE" = xyes; then
-       with_sha1=libnettle
-fi
-if test "x$with_sha1" = xlibnettle && test "x$HAVE_LIBNETTLE" != xyes; then
-       AC_MSG_ERROR([libnettle requested but not found])
-fi
-if test "x$with_sha1" = xlibnettle; then
-       AC_DEFINE([HAVE_SHA1_IN_LIBNETTLE], [1],
-                 [Use libnettle SHA1 functions])
-       SHA1_LIBS=-lnettle
-fi
-AC_CHECK_LIB([gcrypt], [gcry_md_open], [HAVE_LIBGCRYPT=yes])
-if test "x$with_sha1" = x && test "x$HAVE_LIBGCRYPT" = xyes; then
-       with_sha1=libgcrypt
-fi
-if test "x$with_sha1" = xlibgcrypt && test "x$HAVE_LIBGCRYPT" != xyes; then
-       AC_MSG_ERROR([libgcrypt requested but not found])
-fi
-if test "x$with_sha1" = xlibgcrypt; then
-       AC_DEFINE([HAVE_SHA1_IN_LIBGCRYPT], [1],
-                 [Use libgcrypt SHA1 functions])
-       SHA1_LIBS=-lgcrypt
-fi
-# We don't need all of the OpenSSL libraries, just libcrypto
-AC_CHECK_LIB([crypto], [SHA1_Init], [HAVE_LIBCRYPTO=yes])
-PKG_CHECK_MODULES([OPENSSL], [openssl], [HAVE_OPENSSL_PKC=yes],
-                  [HAVE_OPENSSL_PKC=no])
-if test "x$HAVE_LIBCRYPTO" = xyes || test "x$HAVE_OPENSSL_PKC" = xyes; then
-       if test "x$with_sha1" = x; then
-               with_sha1=libcrypto
-       fi
-else
-       if test "x$with_sha1" = xlibcrypto; then
-               AC_MSG_ERROR([OpenSSL libcrypto requested but not found])
-       fi
-fi
-if test "x$with_sha1" = xlibcrypto; then
-       if test "x$HAVE_LIBCRYPTO" = xyes; then
-               SHA1_LIBS=-lcrypto
-       else
-               SHA1_LIBS="$OPENSSL_LIBS"
-               SHA1_CFLAGS="$OPENSSL_CFLAGS"
-       fi
-fi
-AC_MSG_CHECKING([for SHA1 implementation])
-AC_MSG_RESULT([$with_sha1])
-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]),
-    [enable_shader_cache="$enableval"],
-    [if test "x$with_sha1" != "x"; then
-        enable_shader_cache=yes
-     else
-        enable_shader_cache=no
-     fi])
-if test "x$with_sha1" = "x"; then
-    if test "x$enable_shader_cache" = "xyes"; then
-        AC_MSG_ERROR([Cannot enable shader cache (no SHA-1 implementation found)])
-    fi
-fi
-if test "x$enable_shader_cache" = "xyes"; then
-   AC_DEFINE([ENABLE_SHADER_CACHE], [1], [Enable shader cache])
-fi
+    if test "x$enable_shared_glapi" != xyes; then
+        AC_MSG_ERROR([$1 requires --enable-shared-glapi])
+    fi
+}
 
 if test "x$enable_dri" = xyes; then
-    if test "$enable_static" = yes; then
-        AC_MSG_ERROR([Cannot use static libraries for DRI drivers])
-    fi
+    require_dri_shared_libs_and_glapi "DRI"
 
     # not a hard requirement as swrast does not depend on it
     if test "x$have_libdrm" = xyes; then
@@ -1569,6 +1545,9 @@ AC_ARG_ENABLE([driglx-direct],
 dnl
 dnl libGL configuration per driver
 dnl
+if test "x$enable_glx" != xno; then
+    PKG_CHECK_MODULES([GLPROTO], [glproto >= $GLPROTO_REQUIRED])
+fi
 case "x$enable_glx" in
 xxlib | xgallium-xlib)
     # Xlib-based GLX
@@ -1582,10 +1561,9 @@ xxlib | xgallium-xlib)
     ;;
 xdri)
     # DRI-based GLX
-    PKG_CHECK_MODULES([GLPROTO], [glproto >= $GLPROTO_REQUIRED])
 
     # find the DRI deps for libGL
-    dri_modules="x11 xext xdamage xfixes x11-xcb xcb xcb-glx >= $XCBGLX_REQUIRED"
+    dri_modules="x11 xext xdamage >= $XDAMAGE_REQUIRED xfixes x11-xcb xcb xcb-glx >= $XCBGLX_REQUIRED"
 
     if test x"$driglx_direct" = xyes; then
         if test x"$dri_platform" = xdrm ; then
@@ -1594,20 +1572,10 @@ xdri)
 
             PKG_CHECK_MODULES([DRI2PROTO], [dri2proto >= $DRI2PROTO_REQUIRED])
             GL_PC_REQ_PRIV="$GL_PC_REQ_PRIV libdrm >= $LIBDRM_REQUIRED"
-            if test x"$enable_dri3" = xyes; then
-               PKG_CHECK_MODULES([DRI3PROTO], [dri3proto >= $DRI3PROTO_REQUIRED])
-               PKG_CHECK_MODULES([PRESENTPROTO], [presentproto >= $PRESENTPROTO_REQUIRED])
-            fi
 
             if test x"$enable_dri" = xyes; then
                dri_modules="$dri_modules xcb-dri2 >= $XCBDRI2_REQUIRED"
             fi
-
-            if test x"$enable_dri3" = xyes; then
-               PKG_CHECK_EXISTS([xcb >= $XCB_REQUIRED], [], AC_MSG_ERROR([DRI3 requires xcb >= $XCB_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"
@@ -1677,13 +1645,14 @@ dnl
 
 AC_ARG_ENABLE([glx-tls],
     [AS_HELP_STRING([--enable-glx-tls],
-        [enable TLS support in GLX @<:@default=disabled@:>@])],
+        [enable TLS support in GLX @<:@default=enabled@:>@])],
     [GLX_USE_TLS="$enableval"],
-    [GLX_USE_TLS=no])
+    [GLX_USE_TLS=yes])
 AC_SUBST(GLX_TLS, ${GLX_USE_TLS})
 
-AS_IF([test "x$GLX_USE_TLS" = xyes -a "x$ax_pthread_ok" = xyes],
-      [DEFINES="${DEFINES} -DGLX_USE_TLS"])
+if test "x$GLX_USE_TLS" = xyes; then
+    DEFINES="$DEFINES -DGLX_USE_TLS"
+fi
 
 dnl Read-only text section on x86 hardened platforms
 AC_ARG_ENABLE([glx-read-only-text],
@@ -1695,6 +1664,121 @@ if test "x$enable_glx_read_only_text" = xyes; then
     DEFINES="$DEFINES -DGLX_X86_READONLY_TEXT"
 fi
 
+dnl
+dnl DEPRECATED: EGL Platforms configuration
+dnl
+AC_ARG_WITH([egl-platforms],
+    [AS_HELP_STRING([--with-egl-platforms@<:@=DIRS...@:>@],
+        [DEPRECATED: use --with-platforms instead@<:@default=auto@:>@])],
+    [with_egl_platforms="$withval"],
+    [with_egl_platforms=auto])
+
+if test "x$with_egl_platforms" = xauto; then
+    with_egl_platforms="x11,surfaceless"
+    if test "x$enable_gbm" = xyes; then
+        with_egl_platforms="$with_egl_platforms,drm"
+    fi
+else
+    AC_MSG_WARN([--with-egl-platforms is deprecated. Use --with-platforms instead.])
+fi
+
+dnl
+dnl Platforms configuration
+dnl
+AC_ARG_WITH([platforms],
+    [AS_HELP_STRING([--with-platforms@<:@=DIRS...@:>@],
+        [comma delimited native platforms libEGL/Vulkan/other supports, e.g.
+        "x11,drm,wayland,surfaceless..." @<:@default=auto@:>@])],
+    [with_platforms="$withval"],
+    [with_platforms=auto])
+
+# Reuse the autodetection rather than duplicating it.
+if test "x$with_platforms" = xauto; then
+    with_platforms=$with_egl_platforms
+fi
+
+PKG_CHECK_MODULES([WAYLAND_SCANNER], [wayland-scanner],
+        WAYLAND_SCANNER=`$PKG_CONFIG --variable=wayland_scanner wayland-scanner`,
+        WAYLAND_SCANNER='')
+if test "x$WAYLAND_SCANNER" = x; then
+    AC_PATH_PROG([WAYLAND_SCANNER], [wayland-scanner], [:])
+fi
+
+PKG_CHECK_EXISTS([wayland-protocols >= $WAYLAND_PROTOCOLS_REQUIRED], [have_wayland_protocols=yes], [have_wayland_protocols=no])
+if test "x$have_wayland_protocols" = xyes; then
+    ac_wayland_protocols_pkgdatadir=`$PKG_CONFIG --variable=pkgdatadir wayland-protocols`
+fi
+AC_SUBST(WAYLAND_PROTOCOLS_DATADIR, $ac_wayland_protocols_pkgdatadir)
+
+# Do per platform setups and checks
+platforms=`IFS=', '; echo $with_platforms`
+for plat in $platforms; do
+    case "$plat" in
+    wayland)
+
+        PKG_CHECK_MODULES([WAYLAND_CLIENT], [wayland-client >= $WAYLAND_REQUIRED])
+        PKG_CHECK_MODULES([WAYLAND_SERVER], [wayland-server >= $WAYLAND_REQUIRED])
+
+        if test "x$WAYLAND_SCANNER" = "x:"; then
+                AC_MSG_ERROR([wayland-scanner is needed to compile the wayland platform])
+        fi
+        if test "x$have_wayland_protocols" = xno; then
+                AC_MSG_ERROR([wayland-protocols >= $WAYLAND_PROTOCOLS_REQUIRED is needed to compile the wayland platform])
+        fi
+        DEFINES="$DEFINES -DHAVE_WAYLAND_PLATFORM -DWL_HIDE_DEPRECATED"
+        ;;
+
+    x11)
+        PKG_CHECK_MODULES([XCB_DRI2], [x11-xcb xcb xcb-dri2 >= $XCBDRI2_REQUIRED xcb-xfixes])
+        DEFINES="$DEFINES -DHAVE_X11_PLATFORM"
+        ;;
+
+    drm)
+        test "x$enable_gbm" = "xno" &&
+                AC_MSG_ERROR([EGL platform drm needs gbm])
+        DEFINES="$DEFINES -DHAVE_DRM_PLATFORM"
+        ;;
+
+    surfaceless)
+        DEFINES="$DEFINES -DHAVE_SURFACELESS_PLATFORM"
+        ;;
+
+    android)
+        PKG_CHECK_MODULES([ANDROID], [cutils hardware sync])
+        DEFINES="$DEFINES -DHAVE_ANDROID_PLATFORM"
+        ;;
+
+    *)
+        AC_MSG_ERROR([platform '$plat' does not exist])
+        ;;
+    esac
+
+    case "$plat" in
+    wayland|drm|surfaceless)
+        require_libdrm "Platform $plat"
+        ;;
+    esac
+done
+
+if test "x$enable_glx" != xno; then
+    if ! echo "$platforms" | grep -q 'x11'; then
+        AC_MSG_ERROR([Building GLX without the x11 platform is not supported])
+    fi
+fi
+
+if test x"$enable_dri3" = xyes; then
+    DEFINES="$DEFINES -DHAVE_DRI3"
+
+    dri3_modules="x11-xcb xcb >= $XCB_REQUIRED xcb-dri3 xcb-xfixes xcb-present xcb-sync xshmfence >= $XSHMFENCE_REQUIRED"
+    PKG_CHECK_MODULES([XCB_DRI3], [$dri3_modules])
+fi
+
+AM_CONDITIONAL(HAVE_PLATFORM_X11, echo "$platforms" | grep -q 'x11')
+AM_CONDITIONAL(HAVE_PLATFORM_WAYLAND, echo "$platforms" | grep -q 'wayland')
+AM_CONDITIONAL(HAVE_PLATFORM_DRM, echo "$platforms" | grep -q 'drm')
+AM_CONDITIONAL(HAVE_PLATFORM_SURFACELESS, echo "$platforms" | grep -q 'surfaceless')
+AM_CONDITIONAL(HAVE_PLATFORM_ANDROID, echo "$platforms" | grep -q 'android')
+
 dnl
 dnl More DRI setup
 dnl
@@ -1716,7 +1800,7 @@ dnl Which drivers to build - default is chosen by platform
 AC_ARG_WITH([dri-drivers],
     [AS_HELP_STRING([--with-dri-drivers@<:@=DIRS...@:>@],
         [comma delimited classic DRI drivers list, e.g.
-        "swrast,i965,radeon" @<:@default=auto@:>@])],
+        "i915,i965,nouveau,radeon,r200,swrast" @<:@default=auto@:>@])],
     [with_dri_drivers="$withval"],
     [with_dri_drivers=auto])
 
@@ -1731,17 +1815,17 @@ if test "x$with_dri_drivers" = xno; then
     with_dri_drivers=''
 fi
 
+# Check for expat
+PKG_CHECK_MODULES([EXPAT], [expat],,
+    [PKG_CHECK_MODULES([EXPAT], [expat21])]
+)
+
 dnl If $with_dri_drivers is yes, drivers will be added through
 dnl platform checks. Set DEFINES and LIB_DEPS
 if test "x$enable_dri" = xyes; then
     # Platform specific settings and drivers to build
     case "$host_os" in
     linux*)
-        DEFINES="$DEFINES -DHAVE_ALIAS"
-        if test "x$enable_dri3" = xyes; then
-            DEFINES="$DEFINES -DHAVE_DRI3"
-        fi
-
         case "$host_cpu" in
         powerpc* | sparc*)
             # Build only the drivers for cards that exist on PowerPC/sparc
@@ -1751,19 +1835,13 @@ if test "x$enable_dri" = xyes; then
             ;;
         esac
         ;;
-    *freebsd* | dragonfly* | *netbsd* | openbsd*)
-        DEFINES="$DEFINES -DHAVE_ALIAS"
-        ;;
-    gnu*)
-        DEFINES="$DEFINES -DHAVE_ALIAS"
-        ;;
     cygwin*)
         if test "x$with_dri_drivers" = "xyes"; then
             with_dri_drivers="swrast"
         fi
         ;;
     darwin*)
-        DEFINES="$DEFINES -DGLX_ALIAS_UNSUPPORTED -DBUILDING_MESA"
+        DEFINES="$DEFINES -DBUILDING_MESA"
         if test "x$with_dri_drivers" = "xyes"; then
             with_dri_drivers="swrast"
         fi
@@ -1775,15 +1853,6 @@ if test "x$enable_dri" = xyes; then
         with_dri_drivers="i915 i965 nouveau r200 radeon swrast"
     fi
 
-    # Check for expat
-    PKG_CHECK_MODULES([EXPAT], [expat], [],
-        # expat version 2.0 and earlier do not provide expat.pc
-        [AC_CHECK_HEADER([expat.h],[],
-                         [AC_MSG_ERROR([Expat headers required for DRI not found])])
-         AC_CHECK_LIB([expat],[XML_ParserCreate],[],
-                     [AC_MSG_ERROR([Expat library required for DRI not found])])
-         EXPAT_LIBS="-lexpat"])
-
     # put all the necessary libs together
     DRI_LIB_DEPS="$DRI_LIB_DEPS $SELINUX_LIBS $LIBDRM_LIBS $EXPAT_LIBS -lm $PTHREAD_LIBS $DLOPEN_LIBS"
 fi
@@ -1802,27 +1871,31 @@ if test -n "$with_dri_drivers"; then
         DRI_DIRS="$DRI_DIRS $driver"
         case "x$driver" in
         xi915)
-            HAVE_I915_DRI=yes;
-            PKG_CHECK_MODULES([INTEL], [libdrm_intel >= $LIBDRM_INTEL_REQUIRED])
+            require_libdrm "i915"
+            HAVE_I915_DRI=yes
+            PKG_CHECK_MODULES([I915], [libdrm >= $LIBDRM_INTEL_REQUIRED libdrm_intel >= $LIBDRM_INTEL_REQUIRED])
             ;;
         xi965)
-            HAVE_I965_DRI=yes;
-            PKG_CHECK_MODULES([INTEL], [libdrm_intel >= $LIBDRM_INTEL_REQUIRED])
+            require_libdrm "i965"
+            HAVE_I965_DRI=yes
             ;;
         xnouveau)
-            HAVE_NOUVEAU_DRI=yes;
-            PKG_CHECK_MODULES([NVVIEUX], [libdrm_nouveau >= $LIBDRM_NVVIEUX_REQUIRED])
+            require_libdrm "nouveau"
+            HAVE_NOUVEAU_DRI=yes
+            PKG_CHECK_MODULES([NVVIEUX], [libdrm >= $LIBDRM_NVVIEUX_REQUIRED libdrm_nouveau >= $LIBDRM_NVVIEUX_REQUIRED])
             ;;
         xradeon)
+            require_libdrm "radeon"
             HAVE_RADEON_DRI=yes;
-            PKG_CHECK_MODULES([RADEON], [libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
+            PKG_CHECK_MODULES([RADEON], [libdrm >= $LIBDRM_RADEON_REQUIRED libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
             ;;
         xr200)
-            HAVE_R200_DRI=yes;
-            PKG_CHECK_MODULES([RADEON], [libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
+            require_libdrm "r200"
+            HAVE_R200_DRI=yes
+            PKG_CHECK_MODULES([RADEON], [libdrm >= $LIBDRM_RADEON_REQUIRED libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
             ;;
         xswrast)
-            HAVE_SWRAST_DRI=yes;
+            HAVE_SWRAST_DRI=yes
             ;;
         *)
             AC_MSG_ERROR([classic DRI driver '$driver' does not exist])
@@ -1833,6 +1906,45 @@ if test -n "$with_dri_drivers"; then
 fi
 
 
+dnl
+dnl Gallium LLVM
+dnl Deprecated: kept for backwards compatibility
+dnl
+AC_ARG_ENABLE([gallium-llvm],
+    [AS_HELP_STRING([--enable-gallium-llvm],
+        [DEPRECATED: use --enable-llvm instead])],
+    [enable_gallium_llvm="$enableval"],
+    [enable_gallium_llvm=auto])
+
+if test "x$enable_gallium_llvm" != xauto; then
+   AC_MSG_WARN([The --enable-gallium-llvm option has been deprecated. Use --enable-llvm instead.])
+   enable_llvm=$enable_gallium_llvm
+fi
+
+dnl
+dnl LLVM
+dnl
+AC_ARG_ENABLE([llvm],
+    [AS_HELP_STRING([--enable-llvm],
+        [build with LLVM support @<:@default=enabled on x86/x86_64@:>@])],
+    [enable_llvm="$enableval"],
+    [enable_llvm=auto])
+
+if test "x$enable_llvm" = xauto -a "x$FOUND_LLVM" = xyes; then
+    if test "x$FOUND_LLVM" = xyes; then
+        case "$host_cpu" in
+        i*86|x86_64|amd64) enable_llvm=yes;;
+        *) enable_llvm=no;;
+        esac
+    else
+        enable_llvm=no
+    fi
+fi
+
+if test "x$enable_llvm" = xyes -a "x$FOUND_LLVM" = xno; then
+    AC_MSG_ERROR([--enable-llvm selected but llvm-config is not found])
+fi
+
 #
 # Vulkan driver configuration
 #
@@ -1840,7 +1952,7 @@ fi
 AC_ARG_WITH([vulkan-drivers],
     [AS_HELP_STRING([--with-vulkan-drivers@<:@=DIRS...@:>@],
         [comma delimited Vulkan drivers list, e.g.
-        "intel"
+        "intel,radeon"
         @<:@default=no@:>@])],
     [with_vulkan_drivers="$withval"],
     [with_vulkan_drivers="no"])
@@ -1859,27 +1971,34 @@ AC_ARG_WITH([vulkan-icddir],
     [VULKAN_ICD_INSTALL_DIR='${datarootdir}/vulkan/icd.d'])
 AC_SUBST([VULKAN_ICD_INSTALL_DIR])
 
+require_x11_dri3() {
+    if echo "$platforms" | grep -q 'x11'; then
+        if test "x$enable_dri3" != xyes; then
+            AC_MSG_ERROR([$1 Vulkan driver requires DRI3 when built with X11])
+        fi
+    fi
+}
+
 if test -n "$with_vulkan_drivers"; then
+    if test "x$ac_cv_func_dl_iterate_phdr" = xno; then
+        AC_MSG_ERROR([Vulkan drivers require the dl_iterate_phdr function])
+    fi
+
     VULKAN_DRIVERS=`IFS=', '; echo $with_vulkan_drivers`
     for driver in $VULKAN_DRIVERS; do
         case "x$driver" in
         xintel)
-            if test "x$HAVE_I965_DRI" != xyes; then
-                AC_MSG_ERROR([Intel Vulkan driver requires the i965 dri driver])
-            fi
-            if test "x$with_sha1" == "x"; then
-                AC_MSG_ERROR([Intel Vulkan driver requires SHA1])
-            fi
-            HAVE_INTEL_VULKAN=yes;
-
+            require_libdrm "ANV"
+            require_x11_dri3 "ANV"
+            HAVE_INTEL_VULKAN=yes
             ;;
         xradeon)
-            PKG_CHECK_MODULES([AMDGPU], [libdrm_amdgpu >= $LIBDRM_AMDGPU_REQUIRED])
-            HAVE_RADEON_VULKAN=yes;
-            if test "x$with_sha1" == "x"; then
-                AC_MSG_ERROR([radv vulkan driver requires SHA1])
-            fi
-           ;;
+            require_libdrm "radv"
+            PKG_CHECK_MODULES([AMDGPU], [libdrm >= $LIBDRM_AMDGPU_REQUIRED libdrm_amdgpu >= $LIBDRM_AMDGPU_REQUIRED])
+            radeon_llvm_check $LLVM_REQUIRED_RADV "radv"
+            require_x11_dri3 "radv"
+            HAVE_RADEON_VULKAN=yes
+            ;;
         *)
             AC_MSG_ERROR([Vulkan driver '$driver' does not exist])
             ;;
@@ -1889,6 +2008,7 @@ if test -n "$with_vulkan_drivers"; then
 fi
 
 
+DEFINES="$DEFINES -DENABLE_SHADER_CACHE"
 AM_CONDITIONAL(NEED_MEGADRIVER, test -n "$DRI_DIRS")
 AM_CONDITIONAL(NEED_LIBMESA, test "x$enable_glx" = xxlib -o \
                                   "x$enable_osmesa" = xyes -o \
@@ -1941,18 +2061,7 @@ dnl
 dnl gbm configuration
 dnl
 if test "x$enable_gbm" = xyes; then
-    if test "x$enable_dri" = xyes; then
-        if test "x$enable_shared_glapi" = xno; then
-            AC_MSG_ERROR([gbm_dri requires --enable-shared-glapi])
-        fi
-    else
-        # Strictly speaking libgbm does not require --enable-dri, although
-        # both of its backends do. Thus one can build libgbm without any
-        # backends if --disable-dri is set.
-        # To avoid unnecessary complexity of checking if at least one backend
-        # is available when building, just mandate --enable-dri.
-        AC_MSG_ERROR([gbm requires --enable-dri])
-    fi
+    require_dri_shared_libs_and_glapi "gbm"
 fi
 AM_CONDITIONAL(HAVE_GBM, test "x$enable_gbm" = xyes)
 # FINISHME: GBM has a number of dependencies which we should add below
@@ -1964,32 +2073,13 @@ AC_SUBST([GBM_PC_LIB_PRIV])
 dnl
 dnl EGL configuration
 dnl
-EGL_CLIENT_APIS=""
 
 if test "x$enable_egl" = xyes; then
     EGL_LIB_DEPS="$DLOPEN_LIBS $SELINUX_LIBS $PTHREAD_LIBS"
 
     AC_CHECK_FUNC(mincore, [DEFINES="$DEFINES -DHAVE_MINCORE"])
 
-    if test "$enable_static" != yes; then
-        if test "x$enable_dri" = xyes; then
-            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$enable_shared_glapi" = xno; then
-                    AC_MSG_ERROR([egl_dri3 requires --enable-shared-glapi])
-                fi
-            fi
-        else
-            # Avoid building an "empty" libEGL. Drop/update this
-            # when other backends (haiku?) come along.
-            AC_MSG_ERROR([egl requires --enable-dri])
-        fi
-
-    fi
+    require_dri_shared_libs_and_glapi "egl"
 fi
 AM_CONDITIONAL(HAVE_EGL, test "x$enable_egl" = xyes)
 AC_SUBST([EGL_LIB_DEPS])
@@ -2012,23 +2102,47 @@ if test "x$enable_xa" = xyes; then
 fi
 AM_CONDITIONAL(HAVE_ST_XA, test "x$enable_xa" = xyes)
 
+if echo $platforms | grep -q "x11"; then
+    have_xvmc_platform=yes
+else
+    have_xvmc_platform=no
+fi
+
+if echo $platforms | grep -q "x11"; then
+    have_vdpau_platform=yes
+else
+    have_vdpau_platform=no
+fi
+
+if echo $platforms | grep -q "x11\|drm"; then
+    have_omx_platform=yes
+else
+    have_omx_platform=no
+fi
+
+if echo $platforms | grep -q "x11\|drm\|wayland"; then
+    have_va_platform=yes
+else
+    have_va_platform=no
+fi
+
 dnl
 dnl Gallium G3DVL configuration
 dnl
 if test -n "$with_gallium_drivers" -a "x$with_gallium_drivers" != xswrast; then
-    if test "x$enable_xvmc" = xauto; then
-       PKG_CHECK_EXISTS([xvmc >= $XVMC_REQUIRED], [enable_xvmc=yes], [enable_xvmc=no])
+    if test "x$enable_xvmc" = xauto -a "x$have_xvmc_platform" = xyes; then
+        PKG_CHECK_EXISTS([xvmc >= $XVMC_REQUIRED], [enable_xvmc=yes], [enable_xvmc=no])
     fi
 
-    if test "x$enable_vdpau" = xauto; then
-       PKG_CHECK_EXISTS([vdpau >= $VDPAU_REQUIRED], [enable_vdpau=yes], [enable_vdpau=no])
+    if test "x$enable_vdpau" = xauto -a "x$have_vdpau_platform" = xyes; then
+        PKG_CHECK_EXISTS([vdpau >= $VDPAU_REQUIRED], [enable_vdpau=yes], [enable_vdpau=no])
     fi
 
-    if test "x$enable_omx" = xauto; then
-       PKG_CHECK_EXISTS([libomxil-bellagio >= $LIBOMXIL_BELLAGIO_REQUIRED], [enable_omx=yes], [enable_omx=no])
+    if test "x$enable_omx_bellagio" = xauto -a "x$have_omx_platform" = xyes; then
+        PKG_CHECK_EXISTS([libomxil-bellagio >= $LIBOMXIL_BELLAGIO_REQUIRED], [enable_omx_bellagio=yes], [enable_omx_bellagio=no])
     fi
 
-    if test "x$enable_va" = xauto; then
+    if test "x$enable_va" = xauto -a "x$have_va_platform" = xyes; then
         PKG_CHECK_EXISTS([libva >= $LIBVA_REQUIRED], [enable_va=yes], [enable_va=no])
     fi
 fi
@@ -2036,7 +2150,7 @@ fi
 if test "x$enable_dri" = xyes -o \
         "x$enable_xvmc" = xyes -o \
         "x$enable_vdpau" = xyes -o \
-        "x$enable_omx" = xyes -o \
+        "x$enable_omx_bellagio" = xyes -o \
         "x$enable_va" = xyes; then
     need_gallium_vl=yes
 fi
@@ -2044,38 +2158,45 @@ AM_CONDITIONAL(NEED_GALLIUM_VL, test "x$need_gallium_vl" = xyes)
 
 if test "x$enable_xvmc" = xyes -o \
         "x$enable_vdpau" = xyes -o \
-        "x$enable_omx" = xyes -o \
+        "x$enable_omx_bellagio" = xyes -o \
         "x$enable_va" = xyes; then
-    if test x"$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
+    PKG_CHECK_MODULES([VL], [x11-xcb xcb xcb-dri2 >= $XCBDRI2_REQUIRED])
     need_gallium_vl_winsys=yes
 fi
 AM_CONDITIONAL(NEED_GALLIUM_VL_WINSYS, test "x$need_gallium_vl_winsys" = xyes)
 
 if test "x$enable_xvmc" = xyes; then
+    if test "x$have_xvmc_platform" != xyes; then
+        AC_MSG_ERROR([XVMC requires the x11 platforms])
+    fi
     PKG_CHECK_MODULES([XVMC], [xvmc >= $XVMC_REQUIRED])
     gallium_st="$gallium_st xvmc"
 fi
 AM_CONDITIONAL(HAVE_ST_XVMC, test "x$enable_xvmc" = xyes)
 
 if test "x$enable_vdpau" = xyes; then
+    if test "x$have_vdpau_platform" != xyes; then
+        AC_MSG_ERROR([VDPAU requires the x11 platforms])
+    fi
     PKG_CHECK_MODULES([VDPAU], [vdpau >= $VDPAU_REQUIRED])
     gallium_st="$gallium_st vdpau"
     DEFINES="$DEFINES -DHAVE_ST_VDPAU"
 fi
 AM_CONDITIONAL(HAVE_ST_VDPAU, test "x$enable_vdpau" = xyes)
 
-if test "x$enable_omx" = xyes; then
-    PKG_CHECK_MODULES([OMX], [libomxil-bellagio >= $LIBOMXIL_BELLAGIO_REQUIRED])
-    gallium_st="$gallium_st omx"
+if test "x$enable_omx_bellagio" = xyes; then
+    if test "x$have_omx_platform" != xyes; then
+        AC_MSG_ERROR([OMX requires at least one of the x11 or drm platforms])
+    fi
+    PKG_CHECK_MODULES([OMX_BELLAGIO], [libomxil-bellagio >= $LIBOMXIL_BELLAGIO_REQUIRED])
+    gallium_st="$gallium_st omx_bellagio"
 fi
-AM_CONDITIONAL(HAVE_ST_OMX, test "x$enable_omx" = xyes)
+AM_CONDITIONAL(HAVE_ST_OMX_BELLAGIO, test "x$enable_omx_bellagio" = xyes)
 
 if test "x$enable_va" = xyes; then
+    if test "x$have_va_platform" != xyes; then
+        AC_MSG_ERROR([VA requires at least one of the x11 drm or wayland platforms])
+    fi
     PKG_CHECK_MODULES([VA], [libva >= $LIBVA_REQUIRED])
     gallium_st="$gallium_st va"
 fi
@@ -2147,157 +2268,73 @@ if test "x$enable_opencl" = xyes; then
     if test "x$have_libelf" != xyes; then
        AC_MSG_ERROR([Clover requires libelf])
     fi
+
+    if test "x${ac_cv_cxx_compiler_gnu}" = xyes; then
+        altivec_enabled=no
+        AC_COMPILE_IFELSE([AC_LANG_SOURCE([
+        #if !defined(__VEC__) || !defined(__ALTIVEC__)
+        #error "AltiVec not enabled"
+        #endif
+        ])], altivec_enabled=yes)
+
+        if test "$altivec_enabled" = yes; then
+            CLOVER_STD_OVERRIDE="-std=gnu++11"
+        fi
+        AC_SUBST([CLOVER_STD_OVERRIDE])
+    fi
+
+    llvm_require_version $LLVM_REQUIRED_OPENCL "opencl"
+
+    llvm_add_default_components "opencl"
+    llvm_add_component "all-targets" "opencl"
+    llvm_add_component "coverage" "opencl"
+    llvm_add_component "linker" "opencl"
+    llvm_add_component "instrumentation" "opencl"
+    llvm_add_component "ipo" "opencl"
+    llvm_add_component "irreader" "opencl"
+    llvm_add_component "lto" "opencl"
+    llvm_add_component "option" "opencl"
+    llvm_add_component "objcarcopts" "opencl"
+    llvm_add_component "profiledata" "opencl"
+    llvm_add_optional_component "coroutines" "opencl"
+
+    dnl Check for Clang internal headers
+    if test -z "$CLANG_LIBDIR"; then
+        CLANG_LIBDIR=${LLVM_LIBDIR}
+    fi
+    CLANG_RESOURCE_DIR=$CLANG_LIBDIR/clang/${LLVM_VERSION}
+    AS_IF([test ! -f "$CLANG_RESOURCE_DIR/include/stddef.h"],
+        [AC_MSG_ERROR([Could not find clang internal header stddef.h in $CLANG_RESOURCE_DIR Use --with-clang-libdir to specify the correct path to the clang libraries.])])
 fi
 AM_CONDITIONAL(HAVE_CLOVER, test "x$enable_opencl" = xyes)
 AM_CONDITIONAL(HAVE_CLOVER_ICD, test "x$enable_opencl_icd" = xyes)
 AC_SUBST([OPENCL_LIBNAME])
+AC_SUBST([CLANG_RESOURCE_DIR])
 
 dnl
 dnl Gallium configuration
 dnl
 AM_CONDITIONAL(HAVE_GALLIUM, test -n "$with_gallium_drivers")
 
-AC_SUBST([LLVM_BINDIR])
-AC_SUBST([LLVM_CFLAGS])
-AC_SUBST([LLVM_CPPFLAGS])
-AC_SUBST([LLVM_CXXFLAGS])
-AC_SUBST([LLVM_LIBDIR])
-AC_SUBST([LLVM_LIBS])
-AC_SUBST([LLVM_LDFLAGS])
-AC_SUBST([LLVM_INCLUDEDIR])
-AC_SUBST([LLVM_VERSION])
-AC_SUBST([CLANG_RESOURCE_DIR])
-
-case "x$enable_opengl$enable_gles1$enable_gles2" in
-x*yes*)
-    EGL_CLIENT_APIS="$EGL_CLIENT_APIS "'$(GL_LIB)'
-    ;;
-esac
-
-AC_SUBST([VG_LIB_DEPS])
-AC_SUBST([EGL_CLIENT_APIS])
-
-dnl
-dnl EGL Platforms configuration
-dnl
-AC_ARG_WITH([egl-platforms],
-    [AS_HELP_STRING([--with-egl-platforms@<:@=DIRS...@:>@],
-        [comma delimited native platforms libEGL supports, e.g.
-        "x11,drm" @<:@default=auto@:>@])],
-    [with_egl_platforms="$withval"],
-    [if test "x$enable_egl" = xyes; then
-        if test "x$enable_gbm" = xyes; then
-           with_egl_platforms="x11,drm"
-        else
-           with_egl_platforms="x11"
-        fi
-    else
-        with_egl_platforms=""
-    fi])
-
-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=`$PKG_CONFIG --variable=wayland_scanner wayland-scanner`,
-        WAYLAND_SCANNER='')
-if test "x$WAYLAND_SCANNER" = x; then
-    AC_PATH_PROG([WAYLAND_SCANNER], [wayland-scanner])
-fi
-
-# Do per-EGL platform setups and checks
-egl_platforms=`IFS=', '; echo $with_egl_platforms`
-for plat in $egl_platforms; do
-       case "$plat" in
-       wayland)
-
-               PKG_CHECK_MODULES([WAYLAND], [wayland-client >= $WAYLAND_REQUIRED wayland-server >= $WAYLAND_REQUIRED])
-
-               if test "x$WAYLAND_SCANNER" = x; then
-                       AC_MSG_ERROR([wayland-scanner is needed to compile the wayland egl platform])
-               fi
-               ;;
-
-       x11)
-               PKG_CHECK_MODULES([XCB_DRI2], [x11-xcb xcb xcb-dri2 >= $XCBDRI2_REQUIRED xcb-xfixes])
-               ;;
-
-       drm)
-               test "x$enable_gbm" = "xno" &&
-                       AC_MSG_ERROR([EGL platform drm needs gbm])
-               ;;
-
-       surfaceless)
-               ;;
-
-       android)
-               PKG_CHECK_MODULES([ANDROID], [cutils hardware sync])
-               ;;
-
-       *)
-               AC_MSG_ERROR([EGL platform '$plat' does not exist])
-               ;;
-       esac
-
-       case "$plat" in
-       wayland|drm|surfaceless)
-               require_libdrm "Platform $plat"
-               ;;
-       esac
-done
-
 # libEGL wants to default to the first platform specified in
 # ./configure.  parse that here.
-if test "x$egl_platforms" != "x"; then
-    FIRST_PLATFORM_CAPS=`echo $egl_platforms | sed 's| .*||' | tr '[[a-z]]' '[[A-Z]]'`
+if test "x$platforms" != "x"; then
+    FIRST_PLATFORM_CAPS=`echo $platforms | sed 's| .*||' | tr '[[a-z]]' '[[A-Z]]'`
     EGL_NATIVE_PLATFORM="_EGL_PLATFORM_$FIRST_PLATFORM_CAPS"
 else
     EGL_NATIVE_PLATFORM="_EGL_INVALID_PLATFORM"
 fi
 
-AM_CONDITIONAL(HAVE_PLATFORM_X11, echo "$egl_platforms" | grep -q 'x11')
-AM_CONDITIONAL(HAVE_PLATFORM_WAYLAND, echo "$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_ANDROID, echo "$egl_platforms" | grep -q 'android')
-
-AM_CONDITIONAL(HAVE_EGL_DRIVER_DRI2, test "x$HAVE_EGL_DRIVER_DRI2" != "x")
-
 AC_SUBST([EGL_NATIVE_PLATFORM])
 AC_SUBST([EGL_CFLAGS])
 
 # If we don't have the X11 platform, set this define so we don't try to include
 # the X11 headers.
-if ! echo "$egl_platforms" | grep -q 'x11'; then
+if ! echo "$platforms" | grep -q 'x11'; then
     DEFINES="$DEFINES -DMESA_EGL_NO_X11_HEADERS"
     GL_PC_CFLAGS="$GL_PC_CFLAGS -DMESA_EGL_NO_X11_HEADERS"
 fi
 
-dnl
-dnl Gallium LLVM
-dnl
-AC_ARG_ENABLE([gallium-llvm],
-    [AS_HELP_STRING([--enable-gallium-llvm],
-        [build gallium LLVM support @<:@default=enabled on x86/x86_64@:>@])],
-    [enable_gallium_llvm="$enableval"],
-    [enable_gallium_llvm=auto])
-
-if test -z "$with_gallium_drivers"; then
-    enable_gallium_llvm=no
-fi
-if test "x$enable_gallium_llvm" = xauto; then
-    case "$host_cpu" in
-    i*86|x86_64|amd64) enable_gallium_llvm=yes;;
-    esac
-fi
-if test "x$enable_gallium_llvm" = xyes || test "x$HAVE_RADEON_VULKAN" = xyes; then
-    llvm_set_environment_variables
-else
-    MESA_LLVM=0
-    LLVM_VERSION_INT=0
-fi
-
 dnl Directory for XVMC libs
 AC_ARG_WITH([xvmc-libdir],
     [AS_HELP_STRING([--with-xvmc-libdir=DIR],
@@ -2319,14 +2356,15 @@ AC_ARG_WITH([vdpau-libdir],
     [VDPAU_LIB_INSTALL_DIR='${libdir}/vdpau'])
 AC_SUBST([VDPAU_LIB_INSTALL_DIR])
 
-dnl Directory for OMX libs
+dnl Directory for OMX_BELLAGIO libs
 
-AC_ARG_WITH([omx-libdir],
-    [AS_HELP_STRING([--with-omx-libdir=DIR],
-        [directory for the OMX libraries])],
-    [OMX_LIB_INSTALL_DIR="$withval"],
-    [OMX_LIB_INSTALL_DIR=`$PKG_CONFIG --define-variable=libdir=\$libdir --variable=pluginsdir libomxil-bellagio`])
-AC_SUBST([OMX_LIB_INSTALL_DIR])
+AC_ARG_WITH([omx-bellagio-libdir],
+    [AS_HELP_STRING([--with-omx-bellagio-libdir=DIR],
+        [directory for the OMX_BELLAGIO libraries])],
+    [OMX_BELLAGIO_LIB_INSTALL_DIR="$withval"],
+    [OMX_BELLAGIO_LIB_INSTALL_DIR=`$PKG_CONFIG --exists libomxil-bellagio && \
+                                   $PKG_CONFIG --define-variable=libdir=\$libdir --variable=pluginsdir libomxil-bellagio`])
+AC_SUBST([OMX_BELLAGIO_LIB_INSTALL_DIR])
 
 dnl Directory for VA libs
 
@@ -2344,16 +2382,26 @@ AC_ARG_WITH([d3d-libdir],
     [D3D_DRIVER_INSTALL_DIR="${libdir}/d3d"])
 AC_SUBST([D3D_DRIVER_INSTALL_DIR])
 
+dnl Architectures to build SWR library for
+
+AC_ARG_WITH([swr-archs],
+    [AS_HELP_STRING([--with-swr-archs@<:@=DIRS...@:>@],
+        [comma delimited swr architectures list, e.g.
+        "avx,avx2,knl,skx" @<:@default="avx,avx2"@:>@])],
+    [with_swr_archs="$withval"],
+    [with_swr_archs="avx,avx2"])
+
 dnl
-dnl Gallium helper functions
+dnl r300 doesn't strictly require LLVM, but for performance reasons we
+dnl highly recommend LLVM usage. So require it at least on x86 and x86_64
+dnl architectures.
 dnl
-gallium_require_llvm() {
-    if test "x$MESA_LLVM" = x0; then
-        case "$host" in *gnux32) return;; esac
-        case "$host_cpu" in
-        i*86|x86_64|amd64) AC_MSG_ERROR([LLVM is required to build $1 on x86 and x86_64]);;
-        esac
-    fi
+r300_require_llvm() {
+    case "$host" in *gnux32) return;; esac
+    case "$host_cpu" in
+    i*86|x86_64|amd64) require_llvm $1
+        ;;
+    esac
 }
 
 dnl
@@ -2361,35 +2409,18 @@ dnl DRM is needed by X, Wayland, and offscreen rendering.
 dnl Surfaceless is an alternative for the last one.
 dnl
 require_basic_egl() {
-    case "$with_egl_platforms" in
+    case "$with_platforms" in
         *drm*|*surfaceless*)
             ;;
         *)
             AC_MSG_ERROR([$1 requires one of these:
-                  1) --with-egl-platforms=drm (X, Wayland, offscreen rendering based on DRM)
-                  2) --with-egl-platforms=surfaceless (offscreen only)
+                  1) --with-platforms=drm (X, Wayland, offscreen rendering based on DRM)
+                  2) --with-platforms=surfaceless (offscreen only)
                   Recommended options: drm,x11])
             ;;
     esac
 }
 
-radeon_gallium_llvm_check() {
-    if test "x$enable_gallium_llvm" != "xyes"; then
-        AC_MSG_ERROR([--enable-gallium-llvm is required when building $1])
-    fi
-    radeon_llvm_check $*
-}
-
-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
-}
-
 swr_require_cxx_feature_flags() {
     feature_name="$1"
     preprocessor_test="$2"
@@ -2440,26 +2471,21 @@ if test -n "$with_gallium_drivers"; then
             ;;
         xi915)
             HAVE_GALLIUM_I915=yes
-            PKG_CHECK_MODULES([INTEL], [libdrm_intel >= $LIBDRM_INTEL_REQUIRED])
+            PKG_CHECK_MODULES([I915], [libdrm >= $LIBDRM_INTEL_REQUIRED libdrm_intel >= $LIBDRM_INTEL_REQUIRED])
             require_libdrm "Gallium i915"
             ;;
-        xilo)
-            HAVE_GALLIUM_ILO=yes
-            PKG_CHECK_MODULES([INTEL], [libdrm_intel >= $LIBDRM_INTEL_REQUIRED])
-            require_libdrm "Gallium i965/ilo"
-            ;;
         xr300)
             HAVE_GALLIUM_R300=yes
-            PKG_CHECK_MODULES([RADEON], [libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
+            PKG_CHECK_MODULES([RADEON], [libdrm >= $LIBDRM_RADEON_REQUIRED libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
             require_libdrm "r300"
-            gallium_require_llvm "r300"
+            r300_require_llvm "r300"
             ;;
         xr600)
             HAVE_GALLIUM_R600=yes
-            PKG_CHECK_MODULES([RADEON], [libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
+            PKG_CHECK_MODULES([RADEON], [libdrm >= $LIBDRM_RADEON_REQUIRED libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
             require_libdrm "r600"
-            if test "x$enable_opencl" = xyes; then
-                radeon_gallium_llvm_check "r600" "3" "6" "0"
+            if test "x$enable_llvm" = xyes; then
+                radeon_llvm_check $LLVM_REQUIRED_R600 "r600"
 
                 llvm_add_component "asmparser" "r600"
                 llvm_add_component "bitreader" "r600"
@@ -2467,30 +2493,40 @@ if test -n "$with_gallium_drivers"; then
             ;;
         xradeonsi)
             HAVE_GALLIUM_RADEONSI=yes
-            PKG_CHECK_MODULES([RADEON], [libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
-            PKG_CHECK_MODULES([AMDGPU], [libdrm_amdgpu >= $LIBDRM_AMDGPU_REQUIRED])
+            PKG_CHECK_MODULES([RADEON], [libdrm >= $LIBDRM_RADEON_REQUIRED libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
+            PKG_CHECK_MODULES([AMDGPU], [libdrm >= $LIBDRM_AMDGPU_REQUIRED libdrm_amdgpu >= $LIBDRM_AMDGPU_REQUIRED])
             require_libdrm "radeonsi"
-            radeon_gallium_llvm_check "radeonsi" "3" "6" "0"
-            require_basic_egl "radeonsi"
+            radeon_llvm_check $LLVM_REQUIRED_RADEONSI "radeonsi"
+            if test "x$enable_egl" = xyes; then
+                require_basic_egl "radeonsi"
+            fi
             ;;
         xnouveau)
             HAVE_GALLIUM_NOUVEAU=yes
-            PKG_CHECK_MODULES([NOUVEAU], [libdrm_nouveau >= $LIBDRM_NOUVEAU_REQUIRED])
+            PKG_CHECK_MODULES([NOUVEAU], [libdrm >= $LIBDRM_NOUVEAU_REQUIRED libdrm_nouveau >= $LIBDRM_NOUVEAU_REQUIRED])
             require_libdrm "nouveau"
             ;;
         xfreedreno)
             HAVE_GALLIUM_FREEDRENO=yes
-            PKG_CHECK_MODULES([FREEDRENO], [libdrm_freedreno >= $LIBDRM_FREEDRENO_REQUIRED])
+            PKG_CHECK_MODULES([FREEDRENO], [libdrm >= $LIBDRM_FREEDRENO_REQUIRED libdrm_freedreno >= $LIBDRM_FREEDRENO_REQUIRED])
             require_libdrm "freedreno"
             ;;
+        xetnaviv)
+            HAVE_GALLIUM_ETNAVIV=yes
+            PKG_CHECK_MODULES([ETNAVIV], [libdrm >= $LIBDRM_ETNAVIV_REQUIRED libdrm_etnaviv >= $LIBDRM_ETNAVIV_REQUIRED])
+            require_libdrm "etnaviv"
+            ;;
+       ximx)
+            HAVE_GALLIUM_IMX=yes
+            ;;
         xswrast)
             HAVE_GALLIUM_SOFTPIPE=yes
-            if test "x$MESA_LLVM" = x1; then
+            if test "x$enable_llvm" = xyes; then
                 HAVE_GALLIUM_LLVMPIPE=yes
             fi
             ;;
         xswr)
-            swr_llvm_check "swr"
+            llvm_require_version $LLVM_REQUIRED_SWR "swr"
 
             swr_require_cxx_feature_flags "C++11" "__cplusplus >= 201103L" \
                 ",-std=c++11" \
@@ -2498,20 +2534,54 @@ if test -n "$with_gallium_drivers"; then
             AC_SUBST([SWR_CXX11_CXXFLAGS])
 
             swr_require_cxx_feature_flags "AVX" "defined(__AVX__)" \
-                ",-mavx,-march=core-avx" \
+                ",-target-cpu=sandybridge,-mavx,-march=core-avx,-tp=sandybridge" \
                 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])
+            swr_archs=`IFS=', '; echo $with_swr_archs`
+            for arch in $swr_archs; do
+                case "x$arch" in
+                xavx)
+                    HAVE_SWR_AVX=yes
+                    ;;
+                xavx2)
+                    swr_require_cxx_feature_flags "AVX2" "defined(__AVX2__)" \
+                        ",-target-cpu=haswell,-mavx2 -mfma -mbmi2 -mf16c,-march=core-avx2,-tp=haswell" \
+                        SWR_AVX2_CXXFLAGS
+                    AC_SUBST([SWR_AVX2_CXXFLAGS])
+                    HAVE_SWR_AVX2=yes
+                    ;;
+                xknl)
+                    swr_require_cxx_feature_flags "KNL" "defined(__AVX512F__) && defined(__AVX512ER__)" \
+                        ",-target-cpu=mic-knl,-march=knl,-xMIC-AVX512" \
+                        SWR_KNL_CXXFLAGS
+                    AC_SUBST([SWR_KNL_CXXFLAGS])
+                    HAVE_SWR_KNL=yes
+                    ;;
+                xskx)
+                    swr_require_cxx_feature_flags "SKX" "defined(__AVX512F__) && defined(__AVX512BW__)" \
+                        ",-target-cpu=x86-skylake,-march=skylake-avx512,-xCORE-AVX512" \
+                        SWR_SKX_CXXFLAGS
+                    AC_SUBST([SWR_SKX_CXXFLAGS])
+                    HAVE_SWR_SKX=yes
+                    ;;
+                *)
+                    AC_MSG_ERROR([unknown SWR build architecture '$arch'])
+                    ;;
+                esac
+            done
+
+            if test "x$HAVE_SWR_AVX" != xyes -a \
+                    "x$HAVE_SWR_AVX2" != xyes -a \
+                    "x$HAVE_SWR_KNL" != xyes -a \
+                    "x$HAVE_SWR_SKX" != xyes; then
+               AC_MSG_ERROR([swr enabled but no swr architectures selected])
+            fi
 
             HAVE_GALLIUM_SWR=yes
             ;;
         xvc4)
             HAVE_GALLIUM_VC4=yes
-            PKG_CHECK_MODULES([VC4], [libdrm_vc4 >= $LIBDRM_VC4_REQUIRED])
             require_libdrm "vc4"
 
             PKG_CHECK_MODULES([SIMPENROSE], [simpenrose],
@@ -2519,10 +2589,23 @@ if test -n "$with_gallium_drivers"; then
                                DEFINES="$DEFINES -DUSE_VC4_SIMULATOR"],
                               [USE_VC4_SIMULATOR=no])
             ;;
+        xvc5)
+            HAVE_GALLIUM_VC5=yes
+
+            PKG_CHECK_MODULES([VC5_SIMULATOR], [v3dv3],
+                              [USE_VC5_SIMULATOR=yes;
+                               DEFINES="$DEFINES -DUSE_VC5_SIMULATOR"],
+                              [AC_MSG_ERROR([vc5 requires the simulator])])
+            ;;
+        xpl111)
+            HAVE_GALLIUM_PL111=yes
+            ;;
         xvirgl)
             HAVE_GALLIUM_VIRGL=yes
             require_libdrm "virgl"
-            require_basic_egl "virgl"
+            if test "x$enable_egl" = xyes; then
+                require_basic_egl "virgl"
+            fi
             ;;
         *)
             AC_MSG_ERROR([Unknown Gallium driver: $driver])
@@ -2531,74 +2614,117 @@ if test -n "$with_gallium_drivers"; then
     done
 fi
 
-if test "x$HAVE_RADEON_VULKAN" = "xyes"; then
-    radeon_llvm_check "radv" "3" "9" "0"
+# XXX: Keep in sync with LLVM_REQUIRED_SWR
+AM_CONDITIONAL(SWR_INVALID_LLVM_VERSION, test "x$LLVM_VERSION" != x3.9.0 -a \
+                                              "x$LLVM_VERSION" != x3.9.1)
+
+if test "x$enable_llvm" = "xyes" -a "$with_gallium_drivers"; then
+    llvm_require_version $LLVM_REQUIRED_GALLIUM "gallium"
+    llvm_add_default_components "gallium"
 fi
 
-dnl Set LLVM_LIBS - This is done after the driver configuration so
-dnl that drivers can add additional components to LLVM_COMPONENTS.
-dnl Previously, gallium drivers were updating LLVM_LIBS directly
-dnl by calling llvm-config --libs ${DRIVER_LLVM_COMPONENTS}, but
-dnl this was causing the same libraries to be appear multiple times
-dnl in LLVM_LIBS.
+AM_CONDITIONAL(HAVE_SWR_AVX, test "x$HAVE_SWR_AVX" = xyes)
+AM_CONDITIONAL(HAVE_SWR_AVX2, test "x$HAVE_SWR_AVX2" = xyes)
+AM_CONDITIONAL(HAVE_SWR_KNL, test "x$HAVE_SWR_KNL" = xyes)
+AM_CONDITIONAL(HAVE_SWR_SKX, test "x$HAVE_SWR_SKX" = xyes)
 
-if test "x$MESA_LLVM" != x0; then
+dnl We need to validate some needed dependencies for renderonly drivers.
 
-    if ! $LLVM_CONFIG --libs ${LLVM_COMPONENTS} >/dev/null; then
-       AC_MSG_ERROR([Calling ${LLVM_CONFIG} failed])
-    fi
-    LLVM_LIBS="`$LLVM_CONFIG --libs ${LLVM_COMPONENTS}`"
+if test "x$HAVE_GALLIUM_ETNAVIV" != xyes -a "x$HAVE_GALLIUM_IMX" = xyes  ; then
+    AC_MSG_ERROR([Building with imx requires etnaviv])
+fi
+
+if test "x$HAVE_GALLIUM_VC4" != xyes -a "x$HAVE_GALLIUM_PL111" = xyes  ; then
+    AC_MSG_ERROR([Building with pl111 requires vc4])
+fi
 
+
+detect_old_buggy_llvm() {
     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`
-        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.
-            LLVM_LIBS="-l$LLVM_SO_NAME"
+    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.$IMP_LIB_EXT"], [llvm_have_one_so=yes])
+
+    if test "x$llvm_have_one_so" = xyes; then
+        dnl LLVM was built using auto*, so there is only one shared object.
+        LLVM_LIBS="-l$LLVM_SO_NAME"
+    else
+        dnl If LLVM was built with CMake, there will be one shared object per
+        dnl component.
+        AS_IF([test ! -f "$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 $LLVM_LIBDIR
+                If you have installed your llvm libraries to a different directory you
+                can use the --with-llvm-prefix= configure flag to specify this directory.
+                NOTE: Mesa is attempting to use llvm shared libraries by default.
+                If you do not want to build with llvm shared libraries and instead want to
+                use llvm static libraries then add --disable-llvm-shared-libs to your configure
+                invocation and rebuild.])])
+
+        dnl We don't need to update LLVM_LIBS in this case because the LLVM
+        dnl install uses a shared object for each component and we have
+        dnl already added all of these objects to LLVM_LIBS.
+    fi
+}
+
+dnl
+dnl Set defines and buildtime variables only when using LLVM.
+dnl
+if test "x$enable_llvm" = xyes; then
+    DEFINES="${DEFINES} -DHAVE_LLVM=0x0$LLVM_VERSION_INT -DMESA_LLVM_VERSION_PATCH=$LLVM_VERSION_PATCH"
+
+    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
+    LLVM_CFLAGS=$LLVM_CPPFLAGS   # CPPFLAGS seem to be sufficient
+    LLVM_CXXFLAGS=`strip_unwanted_llvm_flags "$LLVM_CONFIG --cxxflags"`
+
+    dnl Set LLVM_LIBS - This is done after the driver configuration so
+    dnl that drivers can add additional components to LLVM_COMPONENTS.
+    dnl Previously, gallium drivers were updating LLVM_LIBS directly
+    dnl by calling llvm-config --libs ${DRIVER_LLVM_COMPONENTS}, but
+    dnl this was causing the same libraries to be appear multiple times
+    dnl in LLVM_LIBS.
+
+    if test $LLVM_VERSION_MAJOR -ge 4 -o $LLVM_VERSION_MAJOR -eq 3 -a $LLVM_VERSION_MINOR -ge 9; then
+        if test "x$enable_llvm_shared_libs" = xyes; then
+            LLVM_LIBS="`$LLVM_CONFIG --link-shared --libs ${LLVM_COMPONENTS}`"
         else
-            dnl If LLVM was built with CMake, there will be one shared object per
-            dnl component.
-            AS_IF([test ! -f "$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 $LLVM_LIBDIR
-       If you have installed your llvm libraries to a different directory you
-       can use the --with-llvm-prefix= configure flag to specify this directory.
-       NOTE: Mesa is attempting to use llvm shared libraries by default.
-       If you do not want to build with llvm shared libraries and instead want to
-       use llvm static libraries then add --disable-llvm-shared-libs to your configure
-       invocation and rebuild.])])
-
-           dnl We don't need to update LLVM_LIBS in this case because the LLVM
-           dnl install uses a shared object for each component and we have
-           dnl already added all of these objects to LLVM_LIBS.
+            dnl Invoking llvm-config with both -libs and --system-libs produces the
+            dnl two separate lines - each for the set of libraries.
+               dnl Call the program twice, effectively folding them into a single line.
+            LLVM_LIBS="`$LLVM_CONFIG --link-static --libs ${LLVM_COMPONENTS}`"
+            dnl We need to link to llvm system libs when using static libs
+            LLVM_LIBS="$LLVM_LIBS `$LLVM_CONFIG --link-static --system-libs`"
         fi
     else
-        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 -ge 4 -o $LLVM_VERSION_MAJOR -eq 3 -a $LLVM_VERSION_MINOR -ge 5; then
-            LLVM_LIBS="$LLVM_LIBS `$LLVM_CONFIG --system-libs`"
+        LLVM_LIBS="`$LLVM_CONFIG --libs ${LLVM_COMPONENTS}`"
+        if test "x$enable_llvm_shared_libs" = xyes; then
+            detect_old_buggy_llvm
+        else
+            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 -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
     fi
 fi
 
 AM_CONDITIONAL(HAVE_GALLIUM_SVGA, test "x$HAVE_GALLIUM_SVGA" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_I915, test "x$HAVE_GALLIUM_I915" = xyes)
-AM_CONDITIONAL(HAVE_GALLIUM_ILO, test "x$HAVE_GALLIUM_ILO" = xyes)
+AM_CONDITIONAL(HAVE_GALLIUM_PL111, test "x$HAVE_GALLIUM_PL111" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_R300, test "x$HAVE_GALLIUM_R300" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_R600, test "x$HAVE_GALLIUM_R600" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_RADEONSI, test "x$HAVE_GALLIUM_RADEONSI" = xyes)
-AM_CONDITIONAL(HAVE_GALLIUM_RADEON_COMMON, test "x$HAVE_GALLIUM_R600" = xyes -o \
-                                                "x$HAVE_GALLIUM_RADEONSI" = xyes)
+AM_CONDITIONAL(HAVE_GALLIUM_RADEON_COMMON, test "x$HAVE_GALLIUM_RADEONSI" = xyes)
 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_ETNAVIV, test "x$HAVE_GALLIUM_ETNAVIV" = xyes)
+AM_CONDITIONAL(HAVE_GALLIUM_IMX, test "x$HAVE_GALLIUM_IMX" = 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$HAVE_GALLIUM_SWR" = xyes)
@@ -2606,6 +2732,7 @@ AM_CONDITIONAL(HAVE_GALLIUM_SWRAST, test "x$HAVE_GALLIUM_SOFTPIPE" = xyes -o \
                                          "x$HAVE_GALLIUM_LLVMPIPE" = xyes -o \
                                          "x$HAVE_GALLIUM_SWR" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_VC4, test "x$HAVE_GALLIUM_VC4" = xyes)
+AM_CONDITIONAL(HAVE_GALLIUM_VC5, test "x$HAVE_GALLIUM_VC5" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_VIRGL, test "x$HAVE_GALLIUM_VIRGL" = xyes)
 
 AM_CONDITIONAL(HAVE_GALLIUM_STATIC_TARGETS, test "x$enable_shared_pipe_drivers" = xno)
@@ -2629,10 +2756,12 @@ AM_CONDITIONAL(HAVE_SWRAST_DRI, test x$HAVE_SWRAST_DRI = xyes)
 AM_CONDITIONAL(HAVE_RADEON_VULKAN, test "x$HAVE_RADEON_VULKAN" = xyes)
 AM_CONDITIONAL(HAVE_INTEL_VULKAN, test "x$HAVE_INTEL_VULKAN" = xyes)
 
-AM_CONDITIONAL(HAVE_AMD_DRIVERS, test "x$HAVE_GALLIUM_R600" = xyes -o \
-                                      "x$HAVE_GALLIUM_RADEONSI" = xyes -o \
+AM_CONDITIONAL(HAVE_AMD_DRIVERS, test "x$HAVE_GALLIUM_RADEONSI" = xyes -o \
                                       "x$HAVE_RADEON_VULKAN" = xyes)
 
+AM_CONDITIONAL(HAVE_BROADCOM_DRIVERS, test "x$HAVE_GALLIUM_VC4" = xyes -o \
+                                      "x$HAVE_GALLIUM_VC5" = xyes)
+
 AM_CONDITIONAL(HAVE_INTEL_DRIVERS, test "x$HAVE_INTEL_VULKAN" = xyes -o \
                                         "x$HAVE_I965_DRI" = xyes)
 
@@ -2640,13 +2769,10 @@ AM_CONDITIONAL(NEED_RADEON_DRM_WINSYS, test "x$HAVE_GALLIUM_R300" = xyes -o \
                                             "x$HAVE_GALLIUM_R600" = xyes -o \
                                             "x$HAVE_GALLIUM_RADEONSI" = xyes)
 AM_CONDITIONAL(NEED_WINSYS_XLIB, test "x$enable_glx" = xgallium-xlib)
-AM_CONDITIONAL(NEED_RADEON_LLVM, test x$NEED_RADEON_LLVM = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_COMPUTE, test x$enable_opencl = xyes)
-AM_CONDITIONAL(HAVE_MESA_LLVM, test x$MESA_LLVM = x1)
+AM_CONDITIONAL(HAVE_GALLIUM_LLVM, test "x$enable_llvm" = xyes)
 AM_CONDITIONAL(USE_VC4_SIMULATOR, test x$USE_VC4_SIMULATOR = xyes)
-if test "x$USE_VC4_SIMULATOR" = xyes -a "x$HAVE_GALLIUM_ILO" = xyes; then
-    AC_MSG_ERROR([VC4 simulator on x86 replaces i965 driver build, so ilo must be disabled.])
-fi
+AM_CONDITIONAL(USE_VC5_SIMULATOR, test x$USE_VC5_SIMULATOR = xyes)
 
 AM_CONDITIONAL(HAVE_LIBDRM, test "x$have_libdrm" = xyes)
 AM_CONDITIONAL(HAVE_OSMESA, test "x$enable_osmesa" = xyes)
@@ -2657,6 +2783,9 @@ AM_CONDITIONAL(HAVE_COMMON_OSMESA, test "x$enable_osmesa" = xyes -o \
 AM_CONDITIONAL(HAVE_X86_ASM, test "x$asm_arch" = xx86 -o "x$asm_arch" = xx86_64)
 AM_CONDITIONAL(HAVE_X86_64_ASM, test "x$asm_arch" = xx86_64)
 AM_CONDITIONAL(HAVE_SPARC_ASM, test "x$asm_arch" = xsparc)
+AM_CONDITIONAL(HAVE_PPC64LE_ASM, test "x$asm_arch" = xppc64le)
+AM_CONDITIONAL(HAVE_AARCH64_ASM, test "x$asm_arch" = xaarch64)
+AM_CONDITIONAL(HAVE_ARM_ASM, test "x$asm_arch" = xarm)
 
 AC_SUBST([NINE_MAJOR], 1)
 AC_SUBST([NINE_MINOR], 0)
@@ -2666,8 +2795,10 @@ AC_SUBST([NINE_VERSION], "$NINE_MAJOR.$NINE_MINOR.$NINE_TINY")
 AC_SUBST([VDPAU_MAJOR], 1)
 AC_SUBST([VDPAU_MINOR], 0)
 
-VA_MAJOR=`$PKG_CONFIG --modversion libva | $SED -n 's/\([[^\.]]*\)\..*$/\1/p'`
-VA_MINOR=`$PKG_CONFIG --modversion libva | $SED -n 's/.*\.\(.*\)\..*$/\1/p'`
+if test "x$enable_va" = xyes; then
+    VA_MAJOR=`$PKG_CONFIG --modversion libva | $SED -n 's/\([[^\.]]*\)\..*$/\1/p'`
+    VA_MINOR=`$PKG_CONFIG --modversion libva | $SED -n 's/.*\.\(.*\)\..*$/\1/p'`
+fi
 AC_SUBST([VA_MAJOR], $VA_MAJOR)
 AC_SUBST([VA_MINOR], $VA_MINOR)
 
@@ -2691,18 +2822,18 @@ AC_ARG_ENABLE(valgrind,
                              [Build mesa with valgrind support (default: auto)])],
                              [VALGRIND=$enableval], [VALGRIND=auto])
 if test "x$VALGRIND" != xno; then
-       PKG_CHECK_MODULES(VALGRIND, [valgrind], [have_valgrind=yes], [have_valgrind=no])
+    PKG_CHECK_MODULES(VALGRIND, [valgrind], [have_valgrind=yes], [have_valgrind=no])
 fi
 AC_MSG_CHECKING([whether to enable Valgrind support])
 if test "x$VALGRIND" = xauto; then
-       VALGRIND="$have_valgrind"
+    VALGRIND="$have_valgrind"
 fi
 
 if test "x$VALGRIND" = "xyes"; then
-       if ! test "x$have_valgrind" = xyes; then
-               AC_MSG_ERROR([Valgrind support required but not present])
-       fi
-       AC_DEFINE([HAVE_VALGRIND], 1, [Use valgrind intrinsics to suppress false warnings])
+    if ! test "x$have_valgrind" = xyes; then
+        AC_MSG_ERROR([Valgrind support required but not present])
+    fi
+    AC_DEFINE([HAVE_VALGRIND], 1, [Use valgrind intrinsics to suppress false warnings])
 fi
 
 AC_MSG_RESULT([$VALGRIND])
@@ -2723,113 +2854,120 @@ CXXFLAGS="$CXXFLAGS $USER_CXXFLAGS"
 
 dnl Substitute the config
 AC_CONFIG_FILES([Makefile
-               src/Makefile
-               src/amd/Makefile
-               src/amd/vulkan/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/wayland/wayland-egl/wayland-egl.pc
-               src/gallium/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/noop/Makefile
-               src/gallium/drivers/nouveau/Makefile
-               src/gallium/drivers/r300/Makefile
-               src/gallium/drivers/r600/Makefile
-               src/gallium/drivers/radeon/Makefile
-               src/gallium/drivers/radeonsi/Makefile
-               src/gallium/drivers/rbug/Makefile
-               src/gallium/drivers/softpipe/Makefile
-               src/gallium/drivers/svga/Makefile
-               src/gallium/drivers/swr/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/nine/Makefile
-               src/gallium/state_trackers/omx/Makefile
-               src/gallium/state_trackers/osmesa/Makefile
-               src/gallium/state_trackers/va/Makefile
-               src/gallium/state_trackers/vdpau/Makefile
-               src/gallium/state_trackers/xa/Makefile
-               src/gallium/state_trackers/xvmc/Makefile
-               src/gallium/targets/d3dadapter9/Makefile
-               src/gallium/targets/d3dadapter9/d3d.pc
-               src/gallium/targets/dri/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/va/Makefile
-               src/gallium/targets/vdpau/Makefile
-               src/gallium/targets/xa/Makefile
-               src/gallium/targets/xa/xatracker.pc
-               src/gallium/targets/xvmc/Makefile
-               src/gallium/tests/trivial/Makefile
-               src/gallium/tests/unit/Makefile
-               src/gallium/winsys/freedreno/drm/Makefile
-               src/gallium/winsys/i915/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/sw/null/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/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/tools/Makefile
-               src/intel/vulkan/Makefile
-               src/loader/Makefile
-               src/mapi/Makefile
-               src/mapi/es1api/glesv1_cm.pc
-               src/mapi/es2api/glesv2.pc
-               src/mapi/glapi/gen/Makefile
-               src/mesa/Makefile
-               src/mesa/gl.pc
-               src/mesa/drivers/dri/dri.pc
-               src/mesa/drivers/dri/common/Makefile
-               src/mesa/drivers/dri/common/xmlpool/Makefile
-               src/mesa/drivers/dri/i915/Makefile
-               src/mesa/drivers/dri/i965/Makefile
-               src/mesa/drivers/dri/Makefile
-               src/mesa/drivers/dri/nouveau/Makefile
-               src/mesa/drivers/dri/r200/Makefile
-               src/mesa/drivers/dri/radeon/Makefile
-               src/mesa/drivers/dri/swrast/Makefile
-               src/mesa/drivers/osmesa/Makefile
-               src/mesa/drivers/osmesa/osmesa.pc
-               src/mesa/drivers/x11/Makefile
-               src/mesa/main/tests/Makefile
-               src/util/Makefile
-               src/util/tests/hash_table/Makefile
-               src/vulkan/wsi/Makefile])
+                 src/Makefile
+                 src/amd/Makefile
+                 src/amd/vulkan/Makefile
+                 src/broadcom/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/wayland/wayland-egl/wayland-egl.pc
+                 src/gallium/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/llvmpipe/Makefile
+                 src/gallium/drivers/noop/Makefile
+                 src/gallium/drivers/nouveau/Makefile
+                 src/gallium/drivers/pl111/Makefile
+                 src/gallium/drivers/r300/Makefile
+                 src/gallium/drivers/r600/Makefile
+                 src/gallium/drivers/radeon/Makefile
+                 src/gallium/drivers/radeonsi/Makefile
+                 src/gallium/drivers/rbug/Makefile
+                 src/gallium/drivers/softpipe/Makefile
+                 src/gallium/drivers/svga/Makefile
+                 src/gallium/drivers/swr/Makefile
+                 src/gallium/drivers/trace/Makefile
+                 src/gallium/drivers/etnaviv/Makefile
+                 src/gallium/drivers/imx/Makefile
+                 src/gallium/drivers/vc4/Makefile
+                 src/gallium/drivers/vc5/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/nine/Makefile
+                 src/gallium/state_trackers/omx_bellagio/Makefile
+                 src/gallium/state_trackers/osmesa/Makefile
+                 src/gallium/state_trackers/va/Makefile
+                 src/gallium/state_trackers/vdpau/Makefile
+                 src/gallium/state_trackers/xa/Makefile
+                 src/gallium/state_trackers/xvmc/Makefile
+                 src/gallium/targets/d3dadapter9/Makefile
+                 src/gallium/targets/d3dadapter9/d3d.pc
+                 src/gallium/targets/dri/Makefile
+                 src/gallium/targets/libgl-xlib/Makefile
+                 src/gallium/targets/omx-bellagio/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/va/Makefile
+                 src/gallium/targets/vdpau/Makefile
+                 src/gallium/targets/xa/Makefile
+                 src/gallium/targets/xa/xatracker.pc
+                 src/gallium/targets/xvmc/Makefile
+                 src/gallium/tests/trivial/Makefile
+                 src/gallium/tests/unit/Makefile
+                 src/gallium/winsys/etnaviv/drm/Makefile
+                 src/gallium/winsys/imx/drm/Makefile
+                 src/gallium/winsys/freedreno/drm/Makefile
+                 src/gallium/winsys/i915/drm/Makefile
+                 src/gallium/winsys/nouveau/drm/Makefile
+                 src/gallium/winsys/pl111/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/sw/null/Makefile
+                 src/gallium/winsys/sw/wrapper/Makefile
+                 src/gallium/winsys/sw/xlib/Makefile
+                 src/gallium/winsys/vc4/drm/Makefile
+                 src/gallium/winsys/vc5/drm/Makefile
+                 src/gallium/winsys/virgl/drm/Makefile
+                 src/gallium/winsys/virgl/vtest/Makefile
+                 src/gbm/Makefile
+                 src/gbm/main/gbm.pc
+                 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/loader/Makefile
+                 src/mapi/Makefile
+                 src/mapi/es1api/glesv1_cm.pc
+                 src/mapi/es2api/glesv2.pc
+                 src/mapi/glapi/gen/Makefile
+                 src/mesa/Makefile
+                 src/mesa/gl.pc
+                 src/mesa/drivers/dri/dri.pc
+                 src/mesa/drivers/dri/common/Makefile
+                 src/mesa/drivers/dri/i915/Makefile
+                 src/mesa/drivers/dri/i965/Makefile
+                 src/mesa/drivers/dri/Makefile
+                 src/mesa/drivers/dri/nouveau/Makefile
+                 src/mesa/drivers/dri/r200/Makefile
+                 src/mesa/drivers/dri/radeon/Makefile
+                 src/mesa/drivers/dri/swrast/Makefile
+                 src/mesa/drivers/osmesa/Makefile
+                 src/mesa/drivers/osmesa/osmesa.pc
+                 src/mesa/drivers/x11/Makefile
+                 src/mesa/main/tests/Makefile
+                 src/mesa/state_tracker/tests/Makefile
+                 src/util/Makefile
+                 src/util/tests/hash_table/Makefile
+                 src/util/tests/string_buffer/Makefile
+                 src/util/xmlpool/Makefile
+                 src/vulkan/Makefile])
 
 AC_OUTPUT
 
@@ -2837,6 +2975,8 @@ AC_OUTPUT
 # source file
 $SED -i -e 's/brw_blorp.cpp/brw_blorp.c/' src/mesa/drivers/dri/i965/.deps/brw_blorp.Plo
 
+rm -f src/compiler/spirv/spirv_info.lo
+echo "# dummy" > src/compiler/spirv/.deps/spirv_info.Plo
 
 dnl
 dnl Output some configuration info for the user
@@ -2895,13 +3035,12 @@ dnl EGL
 echo ""
 echo "        EGL:             $enable_egl"
 if test "$enable_egl" = yes; then
-    echo "        EGL platforms:   $egl_platforms"
 
     egl_drivers=""
-    if test "x$HAVE_EGL_DRIVER_DRI2" != "x"; then
+    if test "x$enable_dri" != "xno"; then
         egl_drivers="$egl_drivers builtin:egl_dri2"
     fi
-    if test "x$HAVE_EGL_DRIVER_DRI3" != "x"; then
+    if test "x$enable_dri3" != "xno"; then
         egl_drivers="$egl_drivers builtin:egl_dri3"
     fi
 
@@ -2913,6 +3052,8 @@ else
     echo "        GBM:             no"
 fi
 
+    echo "        EGL/Vulkan/VL platforms:   $platforms"
+
 # Vulkan
 echo ""
 if test "x$VULKAN_DRIVERS" != x; then
@@ -2923,7 +3064,7 @@ else
 fi
 
 echo ""
-if test "x$MESA_LLVM" = x1; then
+if test "x$enable_llvm" = xyes; then
     echo "        llvm:            yes"
     echo "        llvm-config:     $LLVM_CONFIG"
     echo "        llvm-version:    $LLVM_VERSION"
@@ -2952,11 +3093,9 @@ else
     echo "        HUD lmsensors:   yes"
 fi
 
-dnl Shader cache
 echo ""
-echo "        Shader cache:    $enable_shader_cache"
-if test "x$enable_shader_cache" = "xyes"; then
-    echo "        With SHA1 from:  $with_sha1"
+if test "x$HAVE_GALLIUM_SWR" != x; then
+    echo "        SWR archs:       $swr_archs"
 fi
 
 dnl Libraries
@@ -2966,18 +3105,20 @@ echo "        Static libs:     $enable_static"
 echo "        Shared-glapi:    $enable_shared_glapi"
 
 dnl Compiler options
-# cleanup the CFLAGS/CXXFLAGS/DEFINES vars
+# cleanup the CFLAGS/CXXFLAGS/LDFLAGS/DEFINES vars
 cflags=`echo $CFLAGS | \
     $SED 's/^ *//;s/  */ /;s/ *$//'`
 cxxflags=`echo $CXXFLAGS | \
     $SED 's/^ *//;s/  */ /;s/ *$//'`
+ldflags=`echo $LDFLAGS | $SED 's/^ *//;s/  */ /;s/ *$//'`
 defines=`echo $DEFINES | $SED 's/^ *//;s/  */ /;s/ *$//'`
 echo ""
 echo "        CFLAGS:          $cflags"
 echo "        CXXFLAGS:        $cxxflags"
+echo "        LDFLAGS:         $ldflags"
 echo "        Macros:          $defines"
 echo ""
-if test "x$MESA_LLVM" = x1; then
+if test "x$enable_llvm" = xyes; then
     echo "        LLVM_CFLAGS:     $LLVM_CFLAGS"
     echo "        LLVM_CXXFLAGS:   $LLVM_CXXFLAGS"
     echo "        LLVM_CPPFLAGS:   $LLVM_CPPFLAGS"