android: ac/debug: move sid_tables.h generation and IB decode to amd/common
[mesa.git] / configure.ac
index c8aa829a8ca7f6a8f88ccac0c0b96c147d64407e..33f1c42c8bed48c7d86672fd87b9e1c037b9968b 100644 (file)
@@ -74,17 +74,17 @@ LIBDRM_AMDGPU_REQUIRED=2.4.63
 LIBDRM_INTEL_REQUIRED=2.4.61
 LIBDRM_NVVIEUX_REQUIRED=2.4.66
 LIBDRM_NOUVEAU_REQUIRED=2.4.66
-LIBDRM_FREEDRENO_REQUIRED=2.4.68
+LIBDRM_FREEDRENO_REQUIRED=2.4.74
 LIBDRM_VC4_REQUIRED=2.4.69
+LIBDRM_ETNAVIV_REQUIRED=2.4.74
 DRI2PROTO_REQUIRED=2.6
 DRI3PROTO_REQUIRED=1.0
 PRESENTPROTO_REQUIRED=1.0
-LIBUDEV_REQUIRED=151
 GLPROTO_REQUIRED=1.4.14
 LIBOMXIL_BELLAGIO_REQUIRED=0.0
 LIBVA_REQUIRED=0.38.0
 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
@@ -93,6 +93,14 @@ XVMC_REQUIRED=1.0.6
 PYTHON_MAKO_REQUIRED=0.8.0
 LIBSENSORS_REQUIRED=4.0.0
 
+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_RADV=3.9.0
+LLVM_REQUIRED_SWR=3.6.0
+
 dnl Check for progs
 AC_PROG_CPP
 AC_PROG_CC
@@ -110,6 +118,7 @@ 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 +239,7 @@ 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)
 
@@ -458,12 +468,10 @@ 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
 
@@ -823,8 +831,11 @@ if test "x$ax_pthread_ok" = xno; then
 fi
 dnl AX_PTHREADS leaves PTHREAD_LIBS empty for gcc and sets PTHREAD_CFLAGS
 dnl to -pthread, which causes problems if we need -lpthread to appear in
-dnl pkgconfig files.
-test -z "$PTHREAD_LIBS" && PTHREAD_LIBS="-lpthread"
+dnl pkgconfig files.  Since Android doesn't have a pthread lib, this check
+dnl is not valid for that platform.
+if test "x$android" = xno; then
+    test -z "$PTHREAD_LIBS" && PTHREAD_LIBS="-lpthread"
+fi
 
 dnl pthread-stubs is mandatory on targets where it exists
 case "$host_os" in
@@ -860,6 +871,217 @@ fi
 AC_SUBST([SELINUX_CFLAGS])
 AC_SUBST([SELINUX_LIBS])
 
+dnl
+dnl LLVM
+dnl
+AC_ARG_ENABLE([llvm-shared-libs],
+    [AS_HELP_STRING([--enable-llvm-shared-libs],
+        [link with LLVM shared libraries @<:@default=enabled@:>@])],
+    [enable_llvm_shared_libs="$enableval"],
+    [enable_llvm_shared_libs=yes])
+
+AC_ARG_WITH([llvm-prefix],
+    [AS_HELP_STRING([--with-llvm-prefix],
+        [Prefix for LLVM installations in non-standard locations])],
+    [llvm_prefix="$withval"],
+    [llvm_prefix=''])
+
+PKG_CHECK_MODULES([LIBELF], [libelf], [have_libelf=yes], [have_libelf=no])
+if test "x$have_libelf" = xno; then
+   LIBELF_LIBS=''
+   LIBELF_CFLAGS=''
+   AC_CHECK_LIB([elf], [elf_memory], [have_libelf=yes;LIBELF_LIBS=-lelf], [have_libelf=no])
+   AC_SUBST([LIBELF_LIBS])
+   AC_SUBST([LIBELF_CFLAGS])
+fi
+
+if test -z "$LLVM_CONFIG"; then
+    if test -n "$llvm_prefix"; then
+        AC_PATH_TOOL([LLVM_CONFIG], [llvm-config], [no], ["$llvm_prefix/bin"])
+    else
+        AC_PATH_TOOL([LLVM_CONFIG], [llvm-config], [no])
+    fi
+fi
+
+llvm_add_component() {
+    new_llvm_component=$1
+    driver_name=$2
+
+    if $LLVM_CONFIG --components | grep -iqw $new_llvm_component ; then
+        LLVM_COMPONENTS="${LLVM_COMPONENTS} ${new_llvm_component}"
+    else
+        AC_MSG_ERROR([LLVM component '$new_llvm_component' not enabled in your LLVM build. Required by $driver_name.])
+    fi
+}
+
+llvm_add_default_components() {
+    driver_name=$1
+
+    # Required default components
+    llvm_add_component "bitwriter" $driver_name
+    llvm_add_component "engine" $driver_name
+    llvm_add_component "mcdisassembler" $driver_name
+    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_target() {
+    new_llvm_target=$1
+    driver_name=$2
+
+    if $LLVM_CONFIG --targets-built | grep -iqw $new_llvm_target ; then
+        llvm_add_component $new_llvm_target $driver_name
+    else
+        AC_MSG_ERROR([LLVM target '$new_llvm_target' not enabled in your LLVM build. Required by $driver_name.])
+    fi
+}
+
+# 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 `$1` | sed \
+        -e 's/-march=\S*//g' \
+        -e 's/-mtune=\S*//g' \
+        -e 's/-mcpu=\S*//g' \
+        -e 's/-DNDEBUG\>//g' \
+        -e 's/-D_GNU_SOURCE\>//g' \
+        -e 's/-pedantic\>//g' \
+        -e 's/-Wcovered-switch-default\>//g' \
+        -e 's/-O.\>//g' \
+        -e 's/-g\>//g' \
+        -e 's/-Wall\>//g' \
+        -e 's/-Wcast-qual\>//g' \
+        -e 's/-Woverloaded-virtual\>//g' \
+        -e 's/-fcolor-diagnostics\>//g' \
+        -e 's/-fdata-sections\>//g' \
+        -e 's/-ffunction-sections\>//g' \
+        -e 's/-fno-exceptions\>//g' \
+        -e 's/-fomit-frame-pointer\>//g' \
+        -e 's/-fvisibility-inlines-hidden\>//g' \
+        -e 's/-fPIC\>//g' \
+        -e 's/-fstack-protector-strong\>//g'
+}
+
+llvm_set_environment_variables() {
+    if test "x$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_CFLAGS when compiling LLVM headers.
+        save_CFLAGS="$CFLAGS"
+        CFLAGS="$CFLAGS $LLVM_CFLAGS"
+
+        AC_COMPUTE_INT([LLVM_VERSION_MAJOR], [LLVM_VERSION_MAJOR],
+            [#include "${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="$save_CFLAGS"
+
+        # Only needed for LLVM < 3.6.0
+        if test -z "$LLVM_VERSION_PATCH"; then
+            LLVM_VERSION_PATCH=0
+        fi
+
+        if test "$LLVM_VERSION_MINOR" -lt 10; then
+            LLVM_VERSION_INT="${LLVM_VERSION_MAJOR}0${LLVM_VERSION_MINOR}"
+        else
+            LLVM_VERSION_INT="${LLVM_VERSION_MAJOR}${LLVM_VERSION_MINOR}"
+        fi
+
+        DEFINES="${DEFINES} -DHAVE_LLVM=0x0$LLVM_VERSION_INT -DMESA_LLVM_VERSION_PATCH=$LLVM_VERSION_PATCH"
+        MESA_LLVM=1
+    else
+        MESA_LLVM=0
+        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
+    fi
+
+    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 "$llvm_target_version_major"; then
+        # major > required major
+        #  --> OK
+        return
+    fi
+
+    if test "$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
+        fi
+    fi
+
+    AC_MSG_ERROR([LLVM $1 or newer is required for $2])
+}
+
+radeon_llvm_check() {
+    if test ${LLVM_VERSION_INT} -lt 307; then
+        amdgpu_llvm_target_name='r600'
+    else
+        amdgpu_llvm_target_name='amdgpu'
+    fi
+
+    llvm_check_version_for $*
+
+    llvm_add_target $amdgpu_llvm_target_name $2
+
+    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([$1 requires libelf when using llvm])
+    fi
+}
+
+llvm_set_environment_variables
+
+AC_SUBST([MESA_LLVM])
+AC_SUBST([LLVM_BINDIR])
+AC_SUBST([LLVM_CFLAGS])
+AC_SUBST([LLVM_CPPFLAGS])
+AC_SUBST([LLVM_CXXFLAGS])
+AC_SUBST([LLVM_LIBDIR])
+AC_SUBST([LLVM_LIBS])
+AC_SUBST([LLVM_LDFLAGS])
+AC_SUBST([LLVM_INCLUDEDIR])
+AC_SUBST([LLVM_VERSION])
+
 dnl Options for APIs
 AC_ARG_ENABLE([opengl],
     [AS_HELP_STRING([--disable-opengl],
@@ -903,11 +1125,11 @@ AC_ARG_ENABLE([lmsensors],
 AM_CONDITIONAL(HAVE_LIBSENSORS, test "x$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 "$host_os" in
 linux*)
@@ -955,9 +1177,16 @@ AC_ARG_ENABLE([xa],
     [enable_xa=no])
 AC_ARG_ENABLE([gbm],
    [AS_HELP_STRING([--enable-gbm],
-         [enable gbm library @<:@default=auto@:>@])],
+         [enable gbm library @<:@default=yes except cygwin@:>@])],
    [enable_gbm="$enableval"],
-   [enable_gbm=auto])
+   [case "$host_os" in
+       cygwin*)
+          enable_gbm=no
+          ;;
+       *)
+          enable_gbm=yes
+          ;;
+    esac])
 AC_ARG_ENABLE([nine],
     [AS_HELP_STRING([--enable-nine],
         [enable build of the nine Direct3D9 API @<:@default=no@:>@])],
@@ -1010,7 +1239,7 @@ GALLIUM_DRIVERS_DEFAULT="r300,r600,svga,swrast"
 AC_ARG_WITH([gallium-drivers],
     [AS_HELP_STRING([--with-gallium-drivers@<:@=DIRS...@:>@],
         [comma delimited Gallium drivers list, e.g.
-        "i915,ilo,nouveau,r300,r600,radeonsi,freedreno,svga,swrast,vc4,virgl"
+        "i915,ilo,nouveau,r300,r600,radeonsi,freedreno,svga,swrast,vc4,virgl,etnaviv,imx"
         @<:@default=r300,r600,svga,swrast@:>@])],
     [with_gallium_drivers="$withval"],
     [with_gallium_drivers="$GALLIUM_DRIVERS_DEFAULT"])
@@ -1140,6 +1369,13 @@ if test "x$have_libdrm" = xyes; then
        DEFINES="$DEFINES -DHAVE_LIBDRM"
 fi
 
+require_libdrm() {
+    if test "x$have_libdrm" != xyes; then
+       AC_MSG_ERROR([$1 requires libdrm >= $LIBDRM_REQUIRED])
+    fi
+}
+
+
 # Select which platform-dependent DRI code gets built
 case "$host_os" in
 darwin*)
@@ -1201,8 +1437,6 @@ if test "x$enable_gallium_osmesa" = xyes; then
     fi
 fi
 
-AC_SUBST([MESA_LLVM])
-
 # SHA1 hashing
 AC_ARG_WITH([sha1],
         [AS_HELP_STRING([--with-sha1=libc|libmd|libnettle|libgcrypt|libcrypto|libsha1|CommonCrypto|CryptoAPI],
@@ -1344,32 +1578,12 @@ if test "x$with_sha1" = "x"; then
         AC_MSG_ERROR([Cannot enable shader cache (no SHA-1 implementation found)])
     fi
 fi
-AM_CONDITIONAL([ENABLE_SHADER_CACHE], [test x$enable_shader_cache = xyes])
 if test "x$enable_shader_cache" = "xyes"; then
    AC_DEFINE([ENABLE_SHADER_CACHE], [1], [Enable shader cache])
 fi
 
-case "$host_os" in
-linux*)
-    need_pci_id=yes ;;
-*)
-    need_pci_id=no ;;
-esac
-
-PKG_CHECK_MODULES([LIBUDEV], [libudev >= $LIBUDEV_REQUIRED],
-                  have_libudev=yes, have_libudev=no)
-
-AC_ARG_ENABLE([sysfs],
-    [AS_HELP_STRING([--enable-sysfs],
-        [enable /sys PCI identification @<:@default=disabled@:>@])],
-    [have_sysfs="$enableval"],
-    [have_sysfs=no]
-)
-
 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$have_libdrm" = xyes; then
@@ -1387,6 +1601,9 @@ AC_ARG_ENABLE([driglx-direct],
 dnl
 dnl libGL configuration per driver
 dnl
+if test "x$enable_glx" != xno; then
+    PKG_CHECK_MODULES([GLPROTO], [glproto >= $GLPROTO_REQUIRED])
+fi
 case "x$enable_glx" in
 xxlib | xgallium-xlib)
     # Xlib-based GLX
@@ -1400,7 +1617,6 @@ 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 >= $XCBGLX_REQUIRED"
@@ -1408,9 +1624,7 @@ xdri)
     if test x"$driglx_direct" = xyes; then
         if test x"$dri_platform" = xdrm ; then
             DEFINES="$DEFINES -DGLX_USE_DRM"
-            if test "x$have_libdrm" != xyes; then
-               AC_MSG_ERROR([Direct rendering requires libdrm >= $LIBDRM_REQUIRED])
-            fi
+            require_libdrm "Direct rendering"
 
             PKG_CHECK_MODULES([DRI2PROTO], [dri2proto >= $DRI2PROTO_REQUIRED])
             GL_PC_REQ_PRIV="$GL_PC_REQ_PRIV libdrm >= $LIBDRM_REQUIRED"
@@ -1454,17 +1668,6 @@ xdri)
     ;;
 esac
 
-have_pci_id=no
-if test "$have_libudev" = yes; then
-    DEFINES="$DEFINES -DHAVE_LIBUDEV"
-    have_pci_id=yes
-fi
-
-if test "$have_sysfs" = yes; then
-    DEFINES="$DEFINES -DHAVE_SYSFS"
-    have_pci_id=yes
-fi
-
 # This is outside the case (above) so that it is invoked even for non-GLX
 # builds.
 AM_CONDITIONAL(HAVE_XF86VIDMODE, test "x$HAVE_XF86VIDMODE" = xyes)
@@ -1508,13 +1711,14 @@ 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],
@@ -1568,15 +1772,10 @@ 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
 
-        if test "x$have_pci_id" != xyes; then
-            AC_MSG_ERROR([libudev-dev or sysfs required for building DRI])
-        fi
-
         case "$host_cpu" in
         powerpc* | sparc*)
             # Build only the drivers for cards that exist on PowerPC/sparc
@@ -1586,19 +1785,13 @@ 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$with_dri_drivers" = "xyes"; then
             with_dri_drivers="swrast"
         fi
@@ -1694,13 +1887,6 @@ AC_ARG_WITH([vulkan-icddir],
     [VULKAN_ICD_INSTALL_DIR='${datarootdir}/vulkan/icd.d'])
 AC_SUBST([VULKAN_ICD_INSTALL_DIR])
 
-AC_ARG_ENABLE([vulkan-icd-full-driver-path],
-   [AS_HELP_STRING([--disable-vulkan-icd-full-driver-path],
-                   [create Vulkan ICD files with just a .so name and no path])],
-   [vulkan_icd_driver_path="$enableval"],
-   [vulkan_icd_driver_path="yes"])
-AM_CONDITIONAL(VULKAN_ICD_DRIVER_PATH, test "x$vulkan_icd_driver_path" = xyes)
-
 if test -n "$with_vulkan_drivers"; then
     VULKAN_DRIVERS=`IFS=', '; echo $with_vulkan_drivers`
     for driver in $VULKAN_DRIVERS; do
@@ -1717,7 +1903,11 @@ if test -n "$with_vulkan_drivers"; then
             ;;
         xradeon)
             PKG_CHECK_MODULES([AMDGPU], [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
            ;;
         *)
             AC_MSG_ERROR([Vulkan driver '$driver' does not exist])
@@ -1776,41 +1966,31 @@ AC_SUBST([OSMESA_LIB_DEPS])
 AC_SUBST([OSMESA_PC_REQ])
 AC_SUBST([OSMESA_PC_LIB_PRIV])
 
+require_dri_shared_libs_and_glapi() {
+    if test "x$enable_static" = xyes; then
+        AC_MSG_ERROR([$1 cannot be build as static library])
+    fi
+
+    if test "x$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([$1 requires --enable-dri])
+    fi
+
+    if test "x$enable_shared_glapi" != xyes; then
+        AC_MSG_ERROR([$1 requires --enable-shared-glapi])
+    fi
+}
+
 dnl
 dnl gbm configuration
 dnl
-if test "x$enable_gbm" = xauto; then
-    case "$with_egl_platforms" in
-        *drm*)
-            enable_gbm=yes ;;
-         *)
-            enable_gbm=no ;;
-    esac
-fi
 if test "x$enable_gbm" = xyes; then
-    if test "x$need_pci_id$have_pci_id" = xyesno; then
-        AC_MSG_ERROR([gbm requires udev >= $LIBUDEV_REQUIRED or sysfs])
-    fi
-
-    if test "x$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)
-if test "x$need_pci_id$have_libudev" = xyesyes; then
-    GBM_PC_REQ_PRIV="libudev >= $LIBUDEV_REQUIRED"
-else
-    GBM_PC_REQ_PRIV=""
-fi
+# FINISHME: GBM has a number of dependencies which we should add below
+GBM_PC_REQ_PRIV=""
 GBM_PC_LIB_PRIV="$DLOPEN_LIBS"
 AC_SUBST([GBM_PC_REQ_PRIV])
 AC_SUBST([GBM_PC_LIB_PRIV])
@@ -1818,32 +1998,13 @@ 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])
@@ -1902,7 +2063,7 @@ 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
@@ -1968,15 +2129,6 @@ AC_ARG_WITH([clang-libdir],
    [CLANG_LIBDIR=''])
 
 PKG_CHECK_EXISTS([libclc], [have_libclc=yes], [have_libclc=no])
-PKG_CHECK_MODULES([LIBELF], [libelf], [have_libelf=yes], [have_libelf=no])
-
-if test "x$have_libelf" = xno; then
-   LIBELF_LIBS=''
-   LIBELF_CFLAGS=''
-   AC_CHECK_LIB([elf], [elf_memory], [have_libelf=yes;LIBELF_LIBS=-lelf], [have_libelf=no])
-   AC_SUBST([LIBELF_LIBS])
-   AC_SUBST([LIBELF_CFLAGS])
-fi
 
 if test "x$enable_opencl" = xyes; then
     if test -z "$with_gallium_drivers"; then
@@ -2010,36 +2162,37 @@ if test "x$enable_opencl" = xyes; then
     if test "x$have_libelf" != xyes; then
        AC_MSG_ERROR([Clover requires libelf])
     fi
+
+    llvm_check_version_for $LLVM_REQUIRED_OPENCL "opencl"
+
+    llvm_add_default_components "opencl"
+    llvm_add_component "all-targets" "opencl"
+    llvm_add_component "linker" "opencl"
+    llvm_add_component "instrumentation" "opencl"
+    llvm_add_component "ipo" "opencl"
+    llvm_add_component "irreader" "opencl"
+    llvm_add_component "option" "opencl"
+    llvm_add_component "objcarcopts" "opencl"
+    llvm_add_component "profiledata" "opencl"
+
+    dnl Check for Clang internal headers
+    if test -z "$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 "'$(GL_LIB)'
-    ;;
-esac
-
-AC_SUBST([VG_LIB_DEPS])
-AC_SUBST([EGL_CLIENT_APIS])
-
 dnl
 dnl EGL Platforms configuration
 dnl
@@ -2049,9 +2202,13 @@ AC_ARG_WITH([egl-platforms],
         "x11,drm" @<:@default=auto@:>@])],
     [with_egl_platforms="$withval"],
     [if test "x$enable_egl" = xyes; then
-       with_egl_platforms="x11"
+        if test "x$enable_gbm" = xyes; then
+           with_egl_platforms="x11,drm"
+        else
+           with_egl_platforms="x11"
+        fi
     else
-       with_egl_platforms=""
+        with_egl_platforms=""
     fi])
 
 if test "x$with_egl_platforms" != "x" -a "x$enable_egl" != xyes; then
@@ -2070,8 +2227,6 @@ egl_platforms=`IFS=', '; echo $with_egl_platforms`
 for plat in $egl_platforms; do
        case "$plat" in
        wayland)
-               test "x$have_libdrm" != xyes &&
-                       AC_MSG_ERROR([EGL platform wayland requires libdrm >= $LIBDRM_REQUIRED])
 
                PKG_CHECK_MODULES([WAYLAND], [wayland-client >= $WAYLAND_REQUIRED wayland-server >= $WAYLAND_REQUIRED])
 
@@ -2087,16 +2242,13 @@ for plat in $egl_platforms; do
        drm)
                test "x$enable_gbm" = "xno" &&
                        AC_MSG_ERROR([EGL platform drm needs gbm])
-               test "x$have_libdrm" != xyes &&
-                       AC_MSG_ERROR([EGL platform drm requires libdrm >= $LIBDRM_REQUIRED])
                ;;
 
        surfaceless)
-               test "x$have_libdrm" != xyes &&
-                       AC_MSG_ERROR([EGL platform surfaceless requires libdrm >= $LIBDRM_REQUIRED])
                ;;
 
        android)
+               PKG_CHECK_MODULES([ANDROID], [cutils hardware sync])
                ;;
 
        *)
@@ -2104,10 +2256,11 @@ for plat in $egl_platforms; do
                ;;
        esac
 
-        case "$plat$need_pci_id$have_pci_id" in
-                waylandyesno|drmyesno)
-                    AC_MSG_ERROR([cannot build $plat platform without udev >= $LIBUDEV_REQUIRED or sysfs]) ;;
-        esac
+       case "$plat" in
+       wayland|drm|surfaceless)
+               require_libdrm "Platform $plat"
+               ;;
+       esac
 done
 
 # libEGL wants to default to the first platform specified in
@@ -2125,8 +2278,6 @@ 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])
 
@@ -2146,54 +2297,6 @@ AC_ARG_ENABLE([gallium-llvm],
     [enable_gallium_llvm="$enableval"],
     [enable_gallium_llvm=auto])
 
-AC_ARG_ENABLE([llvm-shared-libs],
-    [AS_HELP_STRING([--enable-llvm-shared-libs],
-        [link with LLVM shared libraries @<:@default=enabled@:>@])],
-    [enable_llvm_shared_libs="$enableval"],
-    [enable_llvm_shared_libs=yes])
-
-AC_ARG_WITH([llvm-prefix],
-    [AS_HELP_STRING([--with-llvm-prefix],
-        [Prefix for LLVM installations in non-standard locations])],
-    [llvm_prefix="$withval"],
-    [llvm_prefix=''])
-
-
-# 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 `$1` | sed \
-       -e 's/-march=\S*//g' \
-       -e 's/-mtune=\S*//g' \
-       -e 's/-mcpu=\S*//g' \
-       -e 's/-DNDEBUG\>//g' \
-       -e 's/-D_GNU_SOURCE\>//g' \
-       -e 's/-pedantic\>//g' \
-       -e 's/-Wcovered-switch-default\>//g' \
-       -e 's/-O.\>//g' \
-       -e 's/-g\>//g' \
-       -e 's/-Wall\>//g' \
-       -e 's/-Wcast-qual\>//g' \
-       -e 's/-Woverloaded-virtual\>//g' \
-       -e 's/-fcolor-diagnostics\>//g' \
-       -e 's/-fdata-sections\>//g' \
-       -e 's/-ffunction-sections\>//g' \
-       -e 's/-fno-exceptions\>//g' \
-       -e 's/-fomit-frame-pointer\>//g' \
-       -e 's/-fvisibility-inlines-hidden\>//g' \
-       -e 's/-fPIC\>//g' \
-       -e 's/-fstack-protector-strong\>//g'
-}
-
-llvm_check_version_for() {
-    if test "${LLVM_VERSION_INT}${LLVM_VERSION_PATCH}" -lt "${1}0${2}${3}"; then
-        AC_MSG_ERROR([LLVM $1.$2.$3 or newer is required for $4])
-    fi
-}
-
-
-
 if test -z "$with_gallium_drivers"; then
     enable_gallium_llvm=no
 fi
@@ -2202,81 +2305,6 @@ if test "x$enable_gallium_llvm" = xauto; then
     i*86|x86_64|amd64) enable_gallium_llvm=yes;;
     esac
 fi
-if test "x$enable_gallium_llvm" = xyes || test "x$HAVE_RADEON_VULKAN" = xyes; then
-    if test -n "$llvm_prefix"; then
-        AC_PATH_TOOL([LLVM_CONFIG], [llvm-config], [no], ["$llvm_prefix/bin"])
-    else
-        AC_PATH_TOOL([LLVM_CONFIG], [llvm-config], [no])
-    fi
-
-    if test "x$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`
-
-        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"])
-
-        LLVM_VERSION_PATCH=`echo $LLVM_VERSION | cut -d. -f3 | egrep -o '^[[0-9]]+'`
-        if test -z "$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_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
-
-        LLVM_COMPONENTS="engine bitwriter mcjit mcdisassembler"
-
-        if $LLVM_CONFIG --components | grep -q inteljitevents ; then
-            LLVM_COMPONENTS="${LLVM_COMPONENTS} inteljitevents"
-        fi
-
-        if test "x$enable_opencl" = xyes; then
-            llvm_check_version_for "3" "6" "0" "opencl"
-
-            LLVM_COMPONENTS="${LLVM_COMPONENTS} all-targets ipo linker instrumentation"
-            LLVM_COMPONENTS="${LLVM_COMPONENTS} irreader option objcarcopts profiledata"
-        fi
-        DEFINES="${DEFINES} -DHAVE_LLVM=0x0$LLVM_VERSION_INT -DMESA_LLVM_VERSION_PATCH=$LLVM_VERSION_PATCH"
-        MESA_LLVM=1
-
-        dnl Check for Clang internal headers
-        if test "x$enable_opencl" = xyes; then
-            if test -z "$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 $CLANG_RESOURCE_DIR Use --with-clang-libdir to specify the correct path to the clang libraries.])])
-        fi
-    else
-        MESA_LLVM=0
-        LLVM_VERSION_INT=0
-    fi
-else
-    MESA_LLVM=0
-    LLVM_VERSION_INT=0
-
-    if test "x$enable_opencl" = xyes; then
-        AC_MSG_ERROR([cannot enable OpenCL without LLVM])
-    fi
-fi
 
 dnl Directory for XVMC libs
 AC_ARG_WITH([xvmc-libdir],
@@ -2327,79 +2355,38 @@ AC_SUBST([D3D_DRIVER_INSTALL_DIR])
 dnl
 dnl Gallium helper functions
 dnl
-gallium_require_drm() {
-    if test "x$have_libdrm" != xyes; then
-       AC_MSG_ERROR([$1 requires libdrm >= $LIBDRM_REQUIRED])
-    fi
-}
-
 gallium_require_llvm() {
-    if test "x$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 $1 on x86 and x86_64]);;
-        esac
-    fi
-}
-
-gallium_require_drm_loader() {
-    if test "x$need_pci_id$have_pci_id" = xyesno; then
-        AC_MSG_ERROR([Gallium drm loader requires libudev >= $LIBUDEV_REQUIRED or sysfs])
+    if test "x$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
 }
 
-dnl This is for Glamor. Skip this if OpenGL is disabled.
-require_egl_drm() {
-    if test "x$enable_opengl" = xno; then
-        return 0
-    fi
-
+dnl
+dnl DRM is needed by X, Wayland, and offscreen rendering.
+dnl Surfaceless is an alternative for the last one.
+dnl
+require_basic_egl() {
     case "$with_egl_platforms" in
-        *drm*)
+        *drm*|*surfaceless*)
             ;;
-         *)
-            AC_MSG_ERROR([--with-egl-platforms=drm is required to build the $1 driver.])
+        *)
+            AC_MSG_ERROR([$1 requires one of these:
+                  1) --with-egl-platforms=drm (X, Wayland, offscreen rendering based on DRM)
+                  2) --with-egl-platforms=surfaceless (offscreen only)
+                  Recommended options: drm,x11])
             ;;
     esac
-    if test "x$enable_gbm" != xyes; then
-            AC_MSG_ERROR([--enable-gbm is required to build the $1 driver.])
-    fi
-}
-
-radeon_llvm_check() {
-    if test ${LLVM_VERSION_INT} -lt 307; then
-        amdgpu_llvm_target_name='r600'
-    else
-        amdgpu_llvm_target_name='amdgpu'
-    fi
-    llvm_check_version_for $2 $3 $4 $1
-    if test true && $LLVM_CONFIG --targets-built | grep -iqvw $amdgpu_llvm_target_name ; then
-        AC_MSG_ERROR([LLVM $amdgpu_llvm_target_name not enabled in your LLVM build.])
-    fi
-    LLVM_COMPONENTS="${LLVM_COMPONENTS} $amdgpu_llvm_target_name bitreader ipo"
-    NEED_RADEON_LLVM=yes
-    if test "x$have_libelf" != xyes; then
-       AC_MSG_ERROR([$1 requires libelf when using llvm])
-    fi
 }
 
 radeon_gallium_llvm_check() {
     if test "x$enable_gallium_llvm" != "xyes"; then
-        AC_MSG_ERROR([--enable-gallium-llvm is required when building $1])
+        AC_MSG_ERROR([--enable-gallium-llvm is required when building $2])
     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="$2"
@@ -2446,67 +2433,70 @@ if test -n "$with_gallium_drivers"; then
         case "x$driver" in
         xsvga)
             HAVE_GALLIUM_SVGA=yes
-            gallium_require_drm "svga"
-            gallium_require_drm_loader
+            require_libdrm "svga"
             ;;
         xi915)
             HAVE_GALLIUM_I915=yes
             PKG_CHECK_MODULES([INTEL], [libdrm_intel >= $LIBDRM_INTEL_REQUIRED])
-            gallium_require_drm "Gallium i915"
-            gallium_require_drm_loader
+            require_libdrm "Gallium i915"
             ;;
         xilo)
             HAVE_GALLIUM_ILO=yes
             PKG_CHECK_MODULES([INTEL], [libdrm_intel >= $LIBDRM_INTEL_REQUIRED])
-            gallium_require_drm "Gallium i965/ilo"
-            gallium_require_drm_loader
+            require_libdrm "Gallium i965/ilo"
             ;;
         xr300)
             HAVE_GALLIUM_R300=yes
             PKG_CHECK_MODULES([RADEON], [libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
-            gallium_require_drm "Gallium R300"
-            gallium_require_drm_loader
-            gallium_require_llvm "Gallium R300"
+            require_libdrm "r300"
+            gallium_require_llvm "r300"
             ;;
         xr600)
             HAVE_GALLIUM_R600=yes
             PKG_CHECK_MODULES([RADEON], [libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
-            gallium_require_drm "Gallium R600"
-            gallium_require_drm_loader
+            require_libdrm "r600"
             if test "x$enable_opencl" = xyes; then
-                radeon_gallium_llvm_check "r600g" "3" "6" "0"
-                LLVM_COMPONENTS="${LLVM_COMPONENTS} bitreader asmparser"
+                radeon_gallium_llvm_check $LLVM_REQUIRED_R600 "r600"
+
+                llvm_add_component "asmparser" "r600"
+                llvm_add_component "bitreader" "r600"
             fi
             ;;
         xradeonsi)
             HAVE_GALLIUM_RADEONSI=yes
             PKG_CHECK_MODULES([RADEON], [libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
             PKG_CHECK_MODULES([AMDGPU], [libdrm_amdgpu >= $LIBDRM_AMDGPU_REQUIRED])
-            gallium_require_drm "radeonsi"
-            gallium_require_drm_loader
-            radeon_gallium_llvm_check "radeonsi" "3" "6" "0"
-            require_egl_drm "radeonsi"
+            require_libdrm "radeonsi"
+            radeon_gallium_llvm_check $LLVM_REQUIRED_RADEONSI "radeonsi"
+            require_basic_egl "radeonsi"
             ;;
         xnouveau)
             HAVE_GALLIUM_NOUVEAU=yes
             PKG_CHECK_MODULES([NOUVEAU], [libdrm_nouveau >= $LIBDRM_NOUVEAU_REQUIRED])
-            gallium_require_drm "nouveau"
-            gallium_require_drm_loader
+            require_libdrm "nouveau"
             ;;
         xfreedreno)
             HAVE_GALLIUM_FREEDRENO=yes
             PKG_CHECK_MODULES([FREEDRENO], [libdrm_freedreno >= $LIBDRM_FREEDRENO_REQUIRED])
-            gallium_require_drm "freedreno"
-            gallium_require_drm_loader
+            require_libdrm "freedreno"
+            ;;
+        xetnaviv)
+            HAVE_GALLIUM_ETNAVIV=yes
+            PKG_CHECK_MODULES([ETNAVIV], [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$MESA_LLVM" = x1 && test "x$enable_gallium_llvm" == "xyes";  then
                 HAVE_GALLIUM_LLVMPIPE=yes
             fi
             ;;
         xswr)
-            swr_llvm_check "swr"
+            llvm_check_version_for $LLVM_REQUIRED_SWR "swr"
+            gallium_require_llvm "swr"
 
             swr_require_cxx_feature_flags "C++11" "__cplusplus >= 201103L" \
                 ",-std=c++11" \
@@ -2528,8 +2518,7 @@ if test -n "$with_gallium_drivers"; then
         xvc4)
             HAVE_GALLIUM_VC4=yes
             PKG_CHECK_MODULES([VC4], [libdrm_vc4 >= $LIBDRM_VC4_REQUIRED])
-            gallium_require_drm "vc4"
-            gallium_require_drm_loader
+            require_libdrm "vc4"
 
             PKG_CHECK_MODULES([SIMPENROSE], [simpenrose],
                               [USE_VC4_SIMULATOR=yes;
@@ -2538,9 +2527,8 @@ if test -n "$with_gallium_drivers"; then
             ;;
         xvirgl)
             HAVE_GALLIUM_VIRGL=yes
-            gallium_require_drm "virgl"
-            gallium_require_drm_loader
-            require_egl_drm "virgl"
+            require_libdrm "virgl"
+            require_basic_egl "virgl"
             ;;
         *)
             AC_MSG_ERROR([Unknown Gallium driver: $driver])
@@ -2549,8 +2537,15 @@ if test -n "$with_gallium_drivers"; then
     done
 fi
 
-if test "x$HAVE_RADEON_VULKAN" != "x0"; then
-    radeon_llvm_check "radv" "3" "9" "0"
+if test "x$enable_gallium_llvm" == "xyes"; then
+    llvm_check_version_for $LLVM_REQUIRED_GALLIUM "gallium"
+    llvm_add_default_components "gallium"
+fi
+
+dnl We need to validate some needed dependencies for renderonly drivers.
+
+if test "x$HAVE_GALLIUM_ETNAVIV" != xyes -a "x$HAVE_GALLIUM_IMX" == xyes  ; then
+    AC_ERROR([Building with imx requires etnaviv])
 fi
 
 dnl Set LLVM_LIBS - This is done after the driver configuration so
@@ -2617,6 +2612,8 @@ 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$HAVE_GALLIUM_SWR" = xyes)
@@ -2660,7 +2657,8 @@ AM_CONDITIONAL(NEED_RADEON_DRM_WINSYS, test "x$HAVE_GALLIUM_R300" = xyes -o \
 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$MESA_LLVM" = x1 -a \
+                                       "x$enable_gallium_llvm" = xyes)
 AM_CONDITIONAL(USE_VC4_SIMULATOR, test x$USE_VC4_SIMULATOR = xyes)
 if test "x$USE_VC4_SIMULATOR" = xyes -a "x$HAVE_GALLIUM_ILO" = xyes; then
     AC_MSG_ERROR([VC4 simulator on x86 replaces i965 driver build, so ilo must be disabled.])
@@ -2689,6 +2687,8 @@ VA_MINOR=`$PKG_CONFIG --modversion libva | $SED -n 's/.*\.\(.*\)\..*$/\1/p'`
 AC_SUBST([VA_MAJOR], $VA_MAJOR)
 AC_SUBST([VA_MINOR], $VA_MINOR)
 
+AM_CONDITIONAL(HAVE_VULKAN_COMMON, test "x$VULKAN_DRIVERS" != "x")
+
 AC_SUBST([XVMC_MAJOR], 1)
 AC_SUBST([XVMC_MINOR], 0)
 
@@ -2702,8 +2702,6 @@ AC_SUBST([XA_MINOR], $XA_MINOR)
 AC_SUBST([XA_TINY], $XA_TINY)
 AC_SUBST([XA_VERSION], "$XA_MAJOR.$XA_MINOR.$XA_TINY")
 
-AC_SUBST([TIMESTAMP_CMD], '`test $(SOURCE_DATE_EPOCH) && echo $(SOURCE_DATE_EPOCH) || date +%s`')
-
 AC_ARG_ENABLE(valgrind,
               [AS_HELP_STRING([--enable-valgrind],
                              [Build mesa with valgrind support (default: auto)])],
@@ -2743,7 +2741,6 @@ dnl Substitute the config
 AC_CONFIG_FILES([Makefile
                src/Makefile
                src/amd/Makefile
-               src/amd/common/Makefile
                src/amd/vulkan/Makefile
                src/compiler/Makefile
                src/egl/Makefile
@@ -2770,6 +2767,8 @@ 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
@@ -2799,6 +2798,8 @@ 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
@@ -2847,7 +2848,8 @@ AC_CONFIG_FILES([Makefile
                src/mesa/drivers/x11/Makefile
                src/mesa/main/tests/Makefile
                src/util/Makefile
-               src/util/tests/hash_table/Makefile])
+               src/util/tests/hash_table/Makefile
+               src/vulkan/wsi/Makefile])
 
 AC_OUTPUT
 
@@ -2916,15 +2918,20 @@ 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
 
     echo "        EGL drivers:    $egl_drivers"
 fi
+if test "x$enable_gbm" = xyes; then
+    echo "        GBM:             yes"
+else
+    echo "        GBM:             no"
+fi
 
 # Vulkan
 echo ""