configure.ac: Do not strip away space after regex word match.
[mesa.git] / configure.ac
index b54eef3b12acc80e7263995a43f4a00183c219b9..ab9a91ed17bff352c71e039337ee07115ef2c2d7 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"),
@@ -67,38 +66,48 @@ 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
+# 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=2.4.63
-LIBDRM_INTEL_REQUIRED=2.4.61
+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
+LIBDRM_ETNAVIV_REQUIRED=2.4.74
+
+dnl Versions for external dependencies
+DRI2PROTO_REQUIRED=2.8
 DRI3PROTO_REQUIRED=1.0
 PRESENTPROTO_REQUIRED=1.0
 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
 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=1.2.8
 
 dnl LLVM versions
 LLVM_REQUIRED_GALLIUM=3.3.0
 LLVM_REQUIRED_OPENCL=3.6.0
-LLVM_REQUIRED_R600=3.6.0
-LLVM_REQUIRED_RADEONSI=3.6.0
+LLVM_REQUIRED_R600=3.8.0
+LLVM_REQUIRED_RADEONSI=3.8.0
 LLVM_REQUIRED_RADV=3.9.0
-LLVM_REQUIRED_SWR=3.6.0
+LLVM_REQUIRED_SWR=3.9.0
 
 dnl Check for progs
 AC_PROG_CPP
@@ -117,7 +126,6 @@ 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"],
@@ -238,6 +246,7 @@ 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)
 
@@ -258,7 +267,7 @@ _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 "$host_os" in
@@ -296,7 +305,7 @@ if test "x$GCC" = xyes; then
     AC_LINK_IFELSE([AC_LANG_PROGRAM()],
                   AC_MSG_RESULT([yes]),
                   [CFLAGS="$save_CFLAGS -Wmissing-prototypes";
-                   AC_MSG_RESULT([no])]);
+                   AC_MSG_RESULT([no])])
 
     # Enable -fvisibility=hidden if using a gcc that supports it
     save_CFLAGS="$CFLAGS"
@@ -304,7 +313,7 @@ if test "x$GCC" = xyes; then
     VISIBILITY_CFLAGS="-fvisibility=hidden"
     CFLAGS="$CFLAGS $VISIBILITY_CFLAGS"
     AC_LINK_IFELSE([AC_LANG_PROGRAM()], AC_MSG_RESULT([yes]),
-                  [VISIBILITY_CFLAGS=""; AC_MSG_RESULT([no])]);
+                  [VISIBILITY_CFLAGS=""; AC_MSG_RESULT([no])])
 
     # Restore CFLAGS; VISIBILITY_CFLAGS are added to it where needed.
     CFLAGS=$save_CFLAGS
@@ -329,7 +338,7 @@ if test "x$GCC" = xyes; then
                   [MSVC2013_COMPAT_CFLAGS="$MSVC2013_COMPAT_CFLAGS -Werror=vla";
                    MSVC2013_COMPAT_CXXFLAGS="$MSVC2013_COMPAT_CXXFLAGS -Werror=vla";
                    AC_MSG_RESULT([yes])],
-                   AC_MSG_RESULT([no]));
+                   AC_MSG_RESULT([no]))
     CFLAGS="$save_CFLAGS"
 fi
 if test "x$GXX" = xyes; then
@@ -342,7 +351,7 @@ if test "x$GXX" = xyes; then
     CXXFLAGS="$CXXFLAGS $VISIBILITY_CXXFLAGS"
     AC_LANG_PUSH([C++])
     AC_LINK_IFELSE([AC_LANG_PROGRAM()], AC_MSG_RESULT([yes]),
-                  [VISIBILITY_CXXFLAGS="" ; AC_MSG_RESULT([no])]);
+                  [VISIBILITY_CXXFLAGS="" ; AC_MSG_RESULT([no])])
     AC_LANG_POP([C++])
 
     # Restore CXXFLAGS; VISIBILITY_CXXFLAGS are added to it where needed.
@@ -434,7 +443,7 @@ int main () {
 CFLAGS=$save_CFLAGS
 
 AC_ARG_ENABLE(pwr8,
-   [AC_HELP_STRING([--disable-pwr8-inst],
+   [AS_HELP_STRING([--disable-pwr8-inst],
                    [disable POWER8-specific instructions])],
    [enable_pwr8=$enableval], [enable_pwr8=auto])
 
@@ -466,12 +475,10 @@ 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
 
@@ -529,8 +536,6 @@ else
    DEFINES="$DEFINES -DNDEBUG"
 fi
 
-DEFAULT_GL_LIB_NAME=GL
-
 dnl
 dnl Check if linker supports -Bsymbolic
 dnl
@@ -628,23 +633,6 @@ 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
@@ -678,36 +666,6 @@ 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${OSMESA_LIB}"
-fi
-AC_SUBST([GL_LIB])
-AC_SUBST([OSMESA_LIB])
-
 dnl
 dnl potentially-infringing-but-nobody-knows-for-sure stuff
 dnl
@@ -810,6 +768,8 @@ LIBS="$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*)
     ;;
@@ -824,6 +784,9 @@ 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
@@ -837,9 +800,10 @@ if test "x$android" = xno; then
     test -z "$PTHREAD_LIBS" && PTHREAD_LIBS="-lpthread"
 fi
 
-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*)
     pthread_stubs_possible="no"
     ;;
 * )
@@ -848,7 +812,7 @@ cygwin* )
 esac
 
 if test "x$pthread_stubs_possible" = xyes; then
-    PKG_CHECK_MODULES(PTHREADSTUBS, pthread-stubs)
+    PKG_CHECK_MODULES(PTHREADSTUBS, pthread-stubs >= 0.4)
     AC_SUBST(PTHREADSTUBS_CFLAGS)
     AC_SUBST(PTHREADSTUBS_LIBS)
 fi
@@ -943,70 +907,63 @@ 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"])
 
-        LLVM_VERSION_PATCH=`echo $LLVM_VERSION | cut -d. -f3 | egrep -o '^[[0-9]]+'`
+        CFLAGS="$save_CFLAGS"
+
+        # 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}"
 
-        DEFINES="${DEFINES} -DHAVE_LLVM=0x0$LLVM_VERSION_INT -DMESA_LLVM_VERSION_PATCH=$LLVM_VERSION_PATCH"
-        MESA_LLVM=1
+        FOUND_LLVM=yes
     else
-        MESA_LLVM=0
+        FOUND_LLVM=no
         LLVM_VERSION_INT=0
     fi
 }
 
-llvm_check_version_for() {
-    if test "x$MESA_LLVM" = x0; then
-        AC_MSG_ERROR([LLVM $1 or newer is required for $2])
-        return
+require_llvm() {
+    if test "x$enable_llvm" != "xyes"; then
+        AC_MSG_ERROR([--enable-llvm is required when building $1])
     fi
+}
+
+llvm_require_version() {
+    require_llvm $2
 
     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]]+'`
@@ -1047,7 +1004,7 @@ radeon_llvm_check() {
         amdgpu_llvm_target_name='amdgpu'
     fi
 
-    llvm_check_version_for $*
+    llvm_require_version $*
 
     llvm_add_target $amdgpu_llvm_target_name $2
 
@@ -1055,24 +1012,18 @@ radeon_llvm_check() {
     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([MESA_LLVM])
-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])
 
 dnl Options for APIs
 AC_ARG_ENABLE([opengl],
@@ -1117,11 +1068,11 @@ 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 "$host_os" in
 linux*)
@@ -1231,7 +1182,7 @@ GALLIUM_DRIVERS_DEFAULT="r300,r600,svga,swrast"
 AC_ARG_WITH([gallium-drivers],
     [AS_HELP_STRING([--with-gallium-drivers@<:@=DIRS...@:>@],
         [comma delimited Gallium drivers list, e.g.
-        "i915,ilo,nouveau,r300,r600,radeonsi,freedreno,svga,swrast,vc4,virgl"
+        "i915,nouveau,r300,r600,radeonsi,freedreno,svga,swrast,swr,vc4,virgl,etnaviv,imx"
         @<:@default=r300,r600,svga,swrast@:>@])],
     [with_gallium_drivers="$withval"],
     [with_gallium_drivers="$GALLIUM_DRIVERS_DEFAULT"])
@@ -1325,6 +1276,8 @@ AM_CONDITIONAL(HAVE_DRI_GLX, test "x$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
@@ -1354,6 +1307,36 @@ if test "x$enable_libglvnd" = xyes ; then
     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 >= $LIBDRM_REQUIRED],
                   [have_libdrm=yes], [have_libdrm=no])
@@ -1429,155 +1412,24 @@ if test "x$enable_gallium_osmesa" = xyes; then
     fi
 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: $with_sha1])
-esac
-
-AC_CHECK_FUNC([SHA1Init], [HAVE_SHA1_IN_LIBC=yes])
-if test "x$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([$with_sha1])
-AC_SUBST(SHA1_LIBS)
-AC_SUBST(SHA1_CFLAGS)
+require_dri_shared_libs_and_glapi() {
+    if test "x$enable_static" = xyes; then
+        AC_MSG_ERROR([$1 cannot be build as static library])
+    fi
 
-# Enable a define for SHA1
-if test "x$with_sha1" != "x"; then
-       DEFINES="$DEFINES -DHAVE_SHA1"
-fi
+    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
 
-# 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)])
+    if test "x$enable_shared_glapi" != xyes; then
+        AC_MSG_ERROR([$1 requires --enable-shared-glapi])
     fi
-fi
-if test "x$enable_shader_cache" = "xyes"; then
-   AC_DEFINE([ENABLE_SHADER_CACHE], [1], [Enable shader cache])
-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$have_libdrm" = xyes; then
@@ -1595,6 +1447,9 @@ AC_ARG_ENABLE([driglx-direct],
 dnl
 dnl libGL configuration per driver
 dnl
+if test "x$enable_glx" != xno; then
+    PKG_CHECK_MODULES([GLPROTO], [glproto >= $GLPROTO_REQUIRED])
+fi
 case "x$enable_glx" in
 xxlib | xgallium-xlib)
     # Xlib-based GLX
@@ -1608,10 +1463,9 @@ 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
@@ -1703,13 +1557,14 @@ 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],
@@ -1742,7 +1597,7 @@ 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])
 
@@ -1763,7 +1618,6 @@ 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="$DEFINES -DHAVE_DRI3"
         fi
@@ -1777,19 +1631,13 @@ if test "x$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
@@ -1828,27 +1676,32 @@ 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([INTEL], [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
+            PKG_CHECK_MODULES([INTEL], [libdrm >= $LIBDRM_INTEL_REQUIRED libdrm_intel >= $LIBDRM_INTEL_REQUIRED])
             ;;
         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])
@@ -1859,6 +1712,45 @@ 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
 #
@@ -1866,7 +1758,7 @@ 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"])
@@ -1886,27 +1778,24 @@ AC_ARG_WITH([vulkan-icddir],
 AC_SUBST([VULKAN_ICD_INSTALL_DIR])
 
 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"
+            PKG_CHECK_MODULES([INTEL], [libdrm >= $LIBDRM_INTEL_REQUIRED libdrm_intel >= $LIBDRM_INTEL_REQUIRED])
+            HAVE_INTEL_VULKAN=yes
             ;;
         xradeon)
-            PKG_CHECK_MODULES([AMDGPU], [libdrm_amdgpu >= $LIBDRM_AMDGPU_REQUIRED])
+            require_libdrm "radv"
+            PKG_CHECK_MODULES([AMDGPU], [libdrm >= $LIBDRM_AMDGPU_REQUIRED libdrm_amdgpu >= $LIBDRM_AMDGPU_REQUIRED])
             radeon_llvm_check $LLVM_REQUIRED_RADV "radv"
-            HAVE_RADEON_VULKAN=yes;
-            if test "x$with_sha1" == "x"; then
-                AC_MSG_ERROR([radv vulkan driver requires SHA1])
-            fi
-           ;;
+            HAVE_RADEON_VULKAN=yes
+            ;;
         *)
             AC_MSG_ERROR([Vulkan driver '$driver' does not exist])
             ;;
@@ -1916,6 +1805,7 @@ if test -n "$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 \
@@ -1968,18 +1858,7 @@ 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
@@ -1991,32 +1870,13 @@ 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])
@@ -2075,7 +1935,7 @@ if test "x$enable_xvmc" = xyes -o \
         "x$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])
+                                 xcb-xfixes x11-xcb xcb xcb-dri2 >= $XCBDRI2_REQUIRED])
     else
         PKG_CHECK_MODULES([VL], [x11-xcb xcb xcb-dri2 >= $XCBDRI2_REQUIRED])
     fi
@@ -2175,7 +2035,21 @@ if test "x$enable_opencl" = xyes; then
        AC_MSG_ERROR([Clover requires libelf])
     fi
 
-    llvm_check_version_for $LLVM_REQUIRED_OPENCL "opencl"
+    if test "x${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"
@@ -2205,15 +2079,6 @@ dnl Gallium configuration
 dnl
 AM_CONDITIONAL(HAVE_GALLIUM, test -n "$with_gallium_drivers")
 
-case "x$enable_opengl$enable_gles1$enable_gles2" in
-x*yes*)
-    EGL_CLIENT_APIS="$EGL_CLIENT_APIS "'$(GL_LIB)'
-    ;;
-esac
-
-AC_SUBST([VG_LIB_DEPS])
-AC_SUBST([EGL_CLIENT_APIS])
-
 dnl
 dnl EGL Platforms configuration
 dnl
@@ -2240,7 +2105,7 @@ PKG_CHECK_MODULES([WAYLAND_SCANNER], [wayland-scanner],
         WAYLAND_SCANNER=`$PKG_CONFIG --variable=wayland_scanner wayland-scanner`,
         WAYLAND_SCANNER='')
 if test "x$WAYLAND_SCANNER" = x; then
-    AC_PATH_PROG([WAYLAND_SCANNER], [wayland-scanner])
+    AC_PATH_PROG([WAYLAND_SCANNER], [wayland-scanner], [:])
 fi
 
 # Do per-EGL platform setups and checks
@@ -2251,7 +2116,7 @@ for plat in $egl_platforms; do
 
                PKG_CHECK_MODULES([WAYLAND], [wayland-client >= $WAYLAND_REQUIRED wayland-server >= $WAYLAND_REQUIRED])
 
-               if test "x$WAYLAND_SCANNER" = x; then
+               if test "x$WAYLAND_SCANNER" = "x:"; then
                        AC_MSG_ERROR([wayland-scanner is needed to compile the wayland egl platform])
                fi
                ;;
@@ -2299,8 +2164,6 @@ 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])
 
@@ -2311,24 +2174,6 @@ if ! echo "$egl_platforms" | grep -q 'x11'; then
     GL_PC_CFLAGS="$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
-
 dnl Directory for XVMC libs
 AC_ARG_WITH([xvmc-libdir],
     [AS_HELP_STRING([--with-xvmc-libdir=DIR],
@@ -2356,7 +2201,8 @@ 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`])
+    [OMX_LIB_INSTALL_DIR=`$PKG_CONFIG --exists libomxil-bellagio && \
+                          $PKG_CONFIG --define-variable=libdir=\$libdir --variable=pluginsdir libomxil-bellagio`])
 AC_SUBST([OMX_LIB_INSTALL_DIR])
 
 dnl Directory for VA libs
@@ -2376,14 +2222,16 @@ AC_ARG_WITH([d3d-libdir],
 AC_SUBST([D3D_DRIVER_INSTALL_DIR])
 
 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$enable_gallium_llvm" == "xyes"; then
-        llvm_check_version_for $LLVM_REQUIRED_GALLIUM "gallium"
-    else
-        AC_MSG_ERROR([--enable-gallium-llvm is required when building $1])
-    fi
+r300_require_llvm() {
+    case "$host" in *gnux32) return;; esac
+    case "$host_cpu" in
+    i*86|x86_64|amd64) require_llvm $1
+        ;;
+    esac
 }
 
 dnl
@@ -2403,13 +2251,6 @@ require_basic_egl() {
     esac
 }
 
-radeon_gallium_llvm_check() {
-    if test "x$enable_gallium_llvm" != "xyes"; then
-        AC_MSG_ERROR([--enable-gallium-llvm is required when building $2])
-    fi
-    radeon_llvm_check $*
-}
-
 swr_require_cxx_feature_flags() {
     feature_name="$1"
     preprocessor_test="$2"
@@ -2460,26 +2301,21 @@ if test -n "$with_gallium_drivers"; then
             ;;
         xi915)
             HAVE_GALLIUM_I915=yes
-            PKG_CHECK_MODULES([INTEL], [libdrm_intel >= $LIBDRM_INTEL_REQUIRED])
+            PKG_CHECK_MODULES([INTEL], [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 $LLVM_REQUIRED_R600 "r600"
+            if test "x$enable_llvm" = xyes; then
+                radeon_llvm_check $LLVM_REQUIRED_R600 "r600"
 
                 llvm_add_component "asmparser" "r600"
                 llvm_add_component "bitreader" "r600"
@@ -2487,31 +2323,40 @@ 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 $LLVM_REQUIRED_RADEONSI "radeonsi"
-            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 && test "x$enable_gallium_llvm" == "xyes";  then
+            if test "x$enable_llvm" = xyes; then
                 HAVE_GALLIUM_LLVMPIPE=yes
             fi
             ;;
         xswr)
-            llvm_check_version_for $LLVM_REQUIRED_SWR "swr"
-            gallium_require_llvm "swr"
+            llvm_require_version $LLVM_REQUIRED_SWR "swr"
 
             swr_require_cxx_feature_flags "C++11" "__cplusplus >= 201103L" \
                 ",-std=c++11" \
@@ -2532,7 +2377,7 @@ if test -n "$with_gallium_drivers"; then
             ;;
         xvc4)
             HAVE_GALLIUM_VC4=yes
-            PKG_CHECK_MODULES([VC4], [libdrm_vc4 >= $LIBDRM_VC4_REQUIRED])
+            PKG_CHECK_MODULES([VC4], [libdrm >= $LIBDRM_VC4_REQUIRED libdrm_vc4 >= $LIBDRM_VC4_REQUIRED])
             require_libdrm "vc4"
 
             PKG_CHECK_MODULES([SIMPENROSE], [simpenrose],
@@ -2552,19 +2397,33 @@ if test -n "$with_gallium_drivers"; then
     done
 fi
 
-if test "x$enable_gallium_llvm" == "xyes"; then
-    llvm_check_version_for $LLVM_REQUIRED_GALLIUM "gallium"
+if test "x$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.
+dnl We need to validate some needed dependencies for renderonly drivers.
 
-if test "x$MESA_LLVM" != x0; then
+if test "x$HAVE_GALLIUM_ETNAVIV" != xyes -a "x$HAVE_GALLIUM_IMX" = xyes  ; then
+    AC_MSG_ERROR([Building with imx requires etnaviv])
+fi
+
+dnl
+dnl Set defines and buildtime variables only when using LLVM.
+dnl
+if test "x$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 ! $LLVM_CONFIG --libs ${LLVM_COMPONENTS} >/dev/null; then
        AC_MSG_ERROR([Calling ${LLVM_CONFIG} failed])
@@ -2613,7 +2472,6 @@ 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$HAVE_GALLIUM_ILO" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_R300, test "x$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)
@@ -2621,6 +2479,8 @@ AM_CONDITIONAL(HAVE_GALLIUM_RADEON_COMMON, test "x$HAVE_GALLIUM_R600" = xyes -o
                                                 "x$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$HAVE_GALLIUM_SWR" = xyes)
@@ -2662,14 +2522,9 @@ AM_CONDITIONAL(NEED_RADEON_DRM_WINSYS, test "x$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$enable_opencl = xyes)
-AM_CONDITIONAL(HAVE_GALLIUM_LLVM, test "x$MESA_LLVM" = x1 -a \
-                                       "x$enable_gallium_llvm" = xyes)
+AM_CONDITIONAL(HAVE_GALLIUM_LLVM, test "x$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(HAVE_LIBDRM, test "x$have_libdrm" = xyes)
 AM_CONDITIONAL(HAVE_OSMESA, test "x$enable_osmesa" = xyes)
@@ -2689,8 +2544,10 @@ 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)
 
@@ -2761,7 +2618,6 @@ AC_CONFIG_FILES([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
@@ -2774,6 +2630,8 @@ AC_CONFIG_FILES([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/virgl/Makefile
                src/gallium/state_trackers/clover/Makefile
@@ -2803,9 +2661,10 @@ AC_CONFIG_FILES([Makefile
                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/intel/drm/Makefile
                src/gallium/winsys/nouveau/drm/Makefile
                src/gallium/winsys/radeon/drm/Makefile
                src/gallium/winsys/amdgpu/drm/Makefile
@@ -2827,8 +2686,6 @@ AC_CONFIG_FILES([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
@@ -2852,7 +2709,7 @@ AC_CONFIG_FILES([Makefile
                src/mesa/main/tests/Makefile
                src/util/Makefile
                src/util/tests/hash_table/Makefile
-               src/vulkan/wsi/Makefile])
+               src/vulkan/Makefile])
 
 AC_OUTPUT
 
@@ -2921,10 +2778,10 @@ 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
 
@@ -2946,7 +2803,7 @@ 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"
@@ -2975,13 +2832,6 @@ 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"
-fi
-
 dnl Libraries
 echo ""
 echo "        Shared libs:     $enable_shared"
@@ -3000,7 +2850,7 @@ echo "        CFLAGS:          $cflags"
 echo "        CXXFLAGS:        $cxxflags"
 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"