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glsl: Match whitespace changes from previous patch.
[mesa.git] / configure.ac
diff --git a/configure.ac b/configure.ac
index 11378bc56ead2bac913e512cc7806221ac9bfb80..c5042f93ee71b4bc45a9dfe8936220edef5aed6a 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -27,16 +27,24 @@ OSMESA_VERSION=8
 AC_SUBST([OSMESA_VERSION])
 
 dnl Versions for external dependencies
 AC_SUBST([OSMESA_VERSION])
 
 dnl Versions for external dependencies
-LIBDRM_REQUIRED=2.4.24
-LIBDRM_RADEON_REQUIRED=2.4.46
-LIBDRM_INTEL_REQUIRED=2.4.38
+LIBDRM_REQUIRED=2.4.38
+LIBDRM_RADEON_REQUIRED=2.4.50
+LIBDRM_INTEL_REQUIRED=2.4.52
 LIBDRM_NVVIEUX_REQUIRED=2.4.33
 LIBDRM_NOUVEAU_REQUIRED="2.4.33 libdrm >= 2.4.41"
 LIBDRM_NVVIEUX_REQUIRED=2.4.33
 LIBDRM_NOUVEAU_REQUIRED="2.4.33 libdrm >= 2.4.41"
-LIBDRM_FREEDRENO_REQUIRED=2.4.39
+LIBDRM_FREEDRENO_REQUIRED=2.4.51
 DRI2PROTO_REQUIRED=2.6
 DRI2PROTO_REQUIRED=2.6
+DRI3PROTO_REQUIRED=1.0
+PRESENTPROTO_REQUIRED=1.0
+LIBUDEV_REQUIRED=151
 GLPROTO_REQUIRED=1.4.14
 GLPROTO_REQUIRED=1.4.14
-LIBDRM_XORG_REQUIRED=2.4.24
-LIBKMS_XORG_REQUIRED=1.0.0
+LIBOMXIL_BELLAGIO_REQUIRED=0.0
+VDPAU_REQUIRED=0.4.1
+WAYLAND_REQUIRED=1.2.0
+XCBDRI2_REQUIRED=1.8
+XCBGLX_REQUIRED=1.8.1
+XSHMFENCE_REQUIRED=1.1
+XVMC_REQUIRED=1.0.6
 
 dnl Check for progs
 AC_PROG_CPP
 
 dnl Check for progs
 AC_PROG_CPP
@@ -118,6 +126,11 @@ if test "x$GCC" = xyes -a "x$acv_mesa_CLANG" = xno; then
         GEN_ASM_OFFSETS=yes
     fi
 fi
         GEN_ASM_OFFSETS=yes
     fi
 fi
+
+dnl Check for compiler builtins
+AX_GCC_BUILTIN([__builtin_bswap32])
+AX_GCC_BUILTIN([__builtin_bswap64])
+
 AM_CONDITIONAL([GEN_ASM_OFFSETS], test "x$GEN_ASM_OFFSETS" = xyes)
 
 dnl Make sure the pkg-config macros are defined
 AM_CONDITIONAL([GEN_ASM_OFFSETS], test "x$GEN_ASM_OFFSETS" = xyes)
 
 dnl Make sure the pkg-config macros are defined
@@ -229,6 +242,12 @@ esac
 AC_SUBST([VISIBILITY_CFLAGS])
 AC_SUBST([VISIBILITY_CXXFLAGS])
 
 AC_SUBST([VISIBILITY_CFLAGS])
 AC_SUBST([VISIBILITY_CXXFLAGS])
 
+dnl
+dnl Optional flags, check for compiler support
+dnl
+AX_CHECK_COMPILE_FLAG([-msse4.1], [SSE41_SUPPORTED=1], [SSE41_SUPPORTED=0])
+AM_CONDITIONAL([SSE41_SUPPORTED], [test x$SSE41_SUPPORTED = x1])
+
 dnl
 dnl Hacks to enable 32 or 64 bit build
 dnl
 dnl
 dnl Hacks to enable 32 or 64 bit build
 dnl
@@ -266,18 +285,15 @@ dnl Can't have static and shared libraries, default to static if user
 dnl explicitly requested. If both disabled, set to static since shared
 dnl was explicitly requested.
 case "x$enable_static$enable_shared" in
 dnl explicitly requested. If both disabled, set to static since shared
 dnl was explicitly requested.
 case "x$enable_static$enable_shared" in
-xyesyes )
-    AC_MSG_WARN([Cannot build static and shared libraries, disabling shared])
-    enable_shared=no
+xnoyes )
     ;;
     ;;
-xnono )
-    AC_MSG_WARN([Cannot disable both static and shared libraries, enabling static])
-    enable_static=yes
+* )
+    AC_MSG_WARN([Messa build supports only shared libraries, enabling shared])
+    enable_shared=yes
+    enable_static=no
     ;;
 esac
 
     ;;
 esac
 
-AM_CONDITIONAL(BUILD_SHARED, test "x$enable_shared" = xyes)
-
 dnl
 dnl other compiler options
 dnl
 dnl
 dnl other compiler options
 dnl
@@ -297,28 +313,34 @@ if test "x$enable_debug" = xyes; then
     fi
 fi
 
     fi
 fi
 
+dnl
+dnl compatibility symlinks
+dnl
+case "$host_os" in
+linux* )
+    HAVE_COMPAT_SYMLINKS=yes ;;
+* )
+    HAVE_COMPAT_SYMLINKS=no ;;
+esac
+
+AM_CONDITIONAL(HAVE_COMPAT_SYMLINKS, test "x$HAVE_COMPAT_SYMLINKS" = xyes)
+
 dnl
 dnl library names
 dnl
 dnl
 dnl library names
 dnl
-LIB_PREFIX_GLOB='lib'
-LIB_VERSION_SEPARATOR='.'
-if test "$enable_static" = yes; then
-    LIB_EXTENSION='a'
-else
-    case "$host_os" in
-    darwin* )
-        LIB_EXTENSION='dylib' ;;
-    cygwin* )
-        dnl prefix can be 'cyg' or 'lib'
-        LIB_PREFIX_GLOB='???'
-        LIB_VERSION_SEPARATOR='-'
-        LIB_EXTENSION='dll' ;;
-    aix* )
-        LIB_EXTENSION='a' ;;
-    * )
-        LIB_EXTENSION='so' ;;
-    esac
-fi
+case "$host_os" in
+darwin* )
+    LIB_EXT='dylib' ;;
+cygwin* )
+    LIB_EXT='dll' ;;
+aix* )
+    LIB_EXT='a' ;;
+* )
+    LIB_EXT='so' ;;
+esac
+
+AC_SUBST([LIB_EXT])
+
 AC_ARG_WITH([gl-lib-name],
   [AS_HELP_STRING([--with-gl-lib-name@<:@=NAME@:>@],
     [specify GL library name @<:@default=GL@:>@])],
 AC_ARG_WITH([gl-lib-name],
   [AS_HELP_STRING([--with-gl-lib-name@<:@=NAME@:>@],
     [specify GL library name @<:@default=GL@:>@])],
@@ -364,37 +386,6 @@ if test "x$enable_texture_float" = xyes; then
     DEFINES="$DEFINES -DTEXTURE_FLOAT_ENABLED"
 fi
 
     DEFINES="$DEFINES -DTEXTURE_FLOAT_ENABLED"
 fi
 
-GL_LIB_NAME='lib$(GL_LIB).'${LIB_EXTENSION}
-OSMESA_LIB_NAME='lib$(OSMESA_LIB).'${LIB_EXTENSION}
-EGL_LIB_NAME='lib$(EGL_LIB).'${LIB_EXTENSION}
-GLESv1_CM_LIB_NAME='lib$(GLESv1_CM_LIB).'${LIB_EXTENSION}
-GLESv2_LIB_NAME='lib$(GLESv2_LIB).'${LIB_EXTENSION}
-VG_LIB_NAME='lib$(VG_LIB).'${LIB_EXTENSION}
-GLAPI_LIB_NAME='lib$(GLAPI_LIB).'${LIB_EXTENSION}
-
-GL_LIB_GLOB=${LIB_PREFIX_GLOB}'$(GL_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
-EGL_LIB_GLOB=${LIB_PREFIX_GLOB}'$(EGL_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
-EGL_LIB_GLOB=${LIB_PREFIX_GLOB}'$(EGL_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
-GLESv1_CM_LIB_GLOB=${LIB_PREFIX_GLOB}'$(GLESv1_CM_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
-GLESv2_LIB_GLOB=${LIB_PREFIX_GLOB}'$(GLESv2_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
-VG_LIB_GLOB=${LIB_PREFIX_GLOB}'$(VG_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
-GLAPI_LIB_GLOB=${LIB_PREFIX_GLOB}'$(GLAPI_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
-
-AC_SUBST([GL_LIB_NAME])
-AC_SUBST([OSMESA_LIB_NAME])
-AC_SUBST([EGL_LIB_NAME])
-AC_SUBST([GLESv1_CM_LIB_NAME])
-AC_SUBST([GLESv2_LIB_NAME])
-AC_SUBST([VG_LIB_NAME])
-AC_SUBST([GLAPI_LIB_NAME])
-
-AC_SUBST([GL_LIB_GLOB])
-AC_SUBST([EGL_LIB_GLOB])
-AC_SUBST([GLESv1_CM_LIB_GLOB])
-AC_SUBST([GLESv2_LIB_GLOB])
-AC_SUBST([VG_LIB_GLOB])
-AC_SUBST([GLAPI_LIB_GLOB])
-
 dnl
 dnl Arch/platform-specific settings
 dnl
 dnl
 dnl Arch/platform-specific settings
 dnl
@@ -499,13 +490,15 @@ AC_ARG_ENABLE([selinux],
     [MESA_SELINUX="$enableval"],
     [MESA_SELINUX=no])
 if test "x$enable_selinux" = "xyes"; then
     [MESA_SELINUX="$enableval"],
     [MESA_SELINUX=no])
 if test "x$enable_selinux" = "xyes"; then
-    AC_CHECK_HEADER([selinux/selinux.h],[],
-                    [AC_MSG_ERROR([SELinux headers not found])])
-    AC_CHECK_LIB([selinux],[is_selinux_enabled],[],
-                 [AC_MSG_ERROR([SELinux library not found])])
-    SELINUX_LIBS="-lselinux"
+    PKG_CHECK_MODULES([SELINUX], [libselinux], [],
+        [AC_CHECK_HEADER([selinux/selinux.h],[],
+                         [AC_MSG_ERROR([SELinux headers not found])])
+         AC_CHECK_LIB([selinux],[is_selinux_enabled],[],
+                      [AC_MSG_ERROR([SELinux library not found])])
+         SELINUX_LIBS="-lselinux"])
     DEFINES="$DEFINES -DMESA_SELINUX"
 fi
     DEFINES="$DEFINES -DMESA_SELINUX"
 fi
+AC_SUBST([SELINUX_CFLAGS])
 AC_SUBST([SELINUX_LIBS])
 
 dnl Options for APIs
 AC_SUBST([SELINUX_LIBS])
 
 dnl Options for APIs
@@ -535,6 +528,11 @@ AC_ARG_ENABLE([dri],
         [enable DRI modules @<:@default=enabled@:>@])],
     [enable_dri="$enableval"],
     [enable_dri=yes])
         [enable DRI modules @<:@default=enabled@:>@])],
     [enable_dri="$enableval"],
     [enable_dri=yes])
+AC_ARG_ENABLE([dri3],
+    [AS_HELP_STRING([--enable-dri3],
+        [enable DRI3 @<:@default=enabled@:>@])],
+    [enable_dri3="$enableval"],
+    [enable_dri3=yes])
 AC_ARG_ENABLE([glx],
     [AS_HELP_STRING([--enable-glx],
         [enable GLX library @<:@default=enabled@:>@])],
 AC_ARG_ENABLE([glx],
     [AS_HELP_STRING([--enable-glx],
         [enable GLX library @<:@default=enabled@:>@])],
@@ -556,11 +554,6 @@ AC_ARG_ENABLE([egl],
     [enable_egl="$enableval"],
     [enable_egl=yes])
 
     [enable_egl="$enableval"],
     [enable_egl=yes])
 
-AC_ARG_ENABLE([xorg],
-    [AS_HELP_STRING([--enable-xorg],
-        [enable support for X.Org DDX API @<:@default=no@:>@])],
-    [enable_xorg="$enableval"],
-    [enable_xorg=no])
 AC_ARG_ENABLE([xa],
     [AS_HELP_STRING([--enable-xa],
         [enable build of the XA X Acceleration API @<:@default=no@:>@])],
 AC_ARG_ENABLE([xa],
     [AS_HELP_STRING([--enable-xa],
         [enable build of the XA X Acceleration API @<:@default=no@:>@])],
@@ -576,18 +569,21 @@ AC_ARG_ENABLE([xvmc],
    [AS_HELP_STRING([--enable-xvmc],
          [enable xvmc library @<:@default=auto@:>@])],
    [enable_xvmc="$enableval"],
    [AS_HELP_STRING([--enable-xvmc],
          [enable xvmc library @<:@default=auto@:>@])],
    [enable_xvmc="$enableval"],
-   [enable_xvmc=auto])
+   [enable_xvmc=no])
 AC_ARG_ENABLE([vdpau],
    [AS_HELP_STRING([--enable-vdpau],
          [enable vdpau library @<:@default=auto@:>@])],
    [enable_vdpau="$enableval"],
    [enable_vdpau=auto])
 AC_ARG_ENABLE([vdpau],
    [AS_HELP_STRING([--enable-vdpau],
          [enable vdpau library @<:@default=auto@:>@])],
    [enable_vdpau="$enableval"],
    [enable_vdpau=auto])
+AC_ARG_ENABLE([omx],
+   [AS_HELP_STRING([--enable-omx],
+         [enable OpenMAX library @<:@default=no@:>@])],
+   [enable_omx="$enableval"],
+   [enable_omx=no])
 AC_ARG_ENABLE([opencl],
    [AS_HELP_STRING([--enable-opencl],
 AC_ARG_ENABLE([opencl],
    [AS_HELP_STRING([--enable-opencl],
-         [enable OpenCL library NOTE: Enabling this option will also enable
-          --with-llvm-shared-libs
-          @<:@default=no@:>@])],
-   [],
+         [enable OpenCL library @<:@default=no@:>@])],
+   [enable_opencl="$enableval"],
    [enable_opencl=no])
 AC_ARG_ENABLE([opencl_icd],
    [AS_HELP_STRING([--enable-opencl-icd],
    [enable_opencl=no])
 AC_ARG_ENABLE([opencl_icd],
    [AS_HELP_STRING([--enable-opencl-icd],
@@ -651,10 +647,10 @@ if test "x$enable_opengl" = xno -a \
         "x$enable_gles1" = xno -a \
         "x$enable_gles2" = xno -a \
         "x$enable_openvg" = xno -a \
         "x$enable_gles1" = xno -a \
         "x$enable_gles2" = xno -a \
         "x$enable_openvg" = xno -a \
-        "x$enable_xorg" = xno -a \
         "x$enable_xa" = xno -a \
         "x$enable_xvmc" = xno -a \
         "x$enable_vdpau" = xno -a \
         "x$enable_xa" = xno -a \
         "x$enable_xvmc" = xno -a \
         "x$enable_vdpau" = xno -a \
+        "x$enable_omx" = xno -a \
         "x$enable_opencl" = xno; then
     AC_MSG_ERROR([at least one API should be enabled])
 fi
         "x$enable_opencl" = xno; then
     AC_MSG_ERROR([at least one API should be enabled])
 fi
@@ -707,16 +703,26 @@ fi
 AM_CONDITIONAL(HAVE_DRI_GLX, test "x$enable_glx" = xyes -a \
                                   "x$enable_dri" = xyes)
 AM_CONDITIONAL(HAVE_DRI, test "x$enable_dri" = xyes)
 AM_CONDITIONAL(HAVE_DRI_GLX, test "x$enable_glx" = xyes -a \
                                   "x$enable_dri" = xyes)
 AM_CONDITIONAL(HAVE_DRI, test "x$enable_dri" = xyes)
+AM_CONDITIONAL(HAVE_DRI3, test "x$enable_dri3" = xyes)
 
 AC_ARG_ENABLE([shared-glapi],
     [AS_HELP_STRING([--enable-shared-glapi],
         [Enable shared glapi for OpenGL @<:@default=yes@:>@])],
     [enable_shared_glapi="$enableval"],
 
 AC_ARG_ENABLE([shared-glapi],
     [AS_HELP_STRING([--enable-shared-glapi],
         [Enable shared glapi for OpenGL @<:@default=yes@:>@])],
     [enable_shared_glapi="$enableval"],
-    [enable_shared_glapi="$enable_dri"])
+    [enable_shared_glapi=yes])
 
 
-# Shared GLAPI is only useful for DRI
-if test "x$enable_dri" = xno; then
-    AC_MSG_NOTICE([Shared GLAPI is only useful for DRI, disabling])
+case "x$enable_opengl$enable_gles1$enable_gles2" in
+x*yes*yes*)
+    if test "x$enable_shared_glapi" = xno; then
+        AC_MSG_ERROR([shared GLAPI required when building two or more of
+                      the following APIs - opengl, gles1 gles2])
+    fi
+    ;;
+esac
+
+# Building Xlib-GLX requires shared glapi to be disabled.
+if test "x$enable_xlib_glx" = xyes; then
+    AC_MSG_NOTICE([Shared GLAPI should not used with Xlib-GLX, disabling])
     enable_shared_glapi=no
 fi
 
     enable_shared_glapi=no
 fi
 
@@ -760,13 +766,14 @@ AC_SUBST([MESA_LLVM])
 # Check for libdrm
 PKG_CHECK_MODULES([LIBDRM], [libdrm >= $LIBDRM_REQUIRED],
                   [have_libdrm=yes], [have_libdrm=no])
 # Check for libdrm
 PKG_CHECK_MODULES([LIBDRM], [libdrm >= $LIBDRM_REQUIRED],
                   [have_libdrm=yes], [have_libdrm=no])
+if test "x$have_libdrm" = xyes; then
+       DEFINES="$DEFINES -DHAVE_LIBDRM"
+fi
 
 
-if test "x$enable_dri" = xyes; then
-    # DRI must be shared, I think
-    if test "$enable_static" = yes; then
-        AC_MSG_ERROR([Cannot use static libraries for DRI drivers])
-    fi
+PKG_CHECK_MODULES([LIBUDEV], [libudev >= $LIBUDEV_REQUIRED],
+                  have_libudev=yes, have_libudev=no)
 
 
+if test "x$enable_dri" = xyes; then
     # not a hard requirement as swrast does not depend on it
     if test "x$have_libdrm" = xyes; then
         DRI_PC_REQ_PRIV="libdrm >= $LIBDRM_REQUIRED"
     # not a hard requirement as swrast does not depend on it
     if test "x$have_libdrm" = xyes; then
         DRI_PC_REQ_PRIV="libdrm >= $LIBDRM_REQUIRED"
@@ -816,10 +823,21 @@ xyesno)
         fi
         PKG_CHECK_MODULES([DRI2PROTO], [dri2proto >= $DRI2PROTO_REQUIRED])
         GL_PC_REQ_PRIV="$GL_PC_REQ_PRIV libdrm >= $LIBDRM_REQUIRED"
         fi
         PKG_CHECK_MODULES([DRI2PROTO], [dri2proto >= $DRI2PROTO_REQUIRED])
         GL_PC_REQ_PRIV="$GL_PC_REQ_PRIV libdrm >= $LIBDRM_REQUIRED"
+        if test x"$enable_dri3" = xyes; then
+            if test x"$have_libudev" != xyes; then
+              AC_MSG_ERROR([DRI3 requires libudev >= $LIBUDEV_REQUIRED])
+            fi
+            PKG_CHECK_MODULES([DRI3PROTO], [dri3proto >= $DRI3PROTO_REQUIRED])
+            PKG_CHECK_MODULES([PRESENTPROTO], [presentproto >= $PRESENTPROTO_REQUIRED])
+        fi
     fi
 
     # find the DRI deps for libGL
     fi
 
     # find the DRI deps for libGL
-    dri_modules="x11 xext xdamage xfixes x11-xcb xcb-glx >= 1.8.1 xcb-dri2 >= 1.8"
+    dri_modules="x11 xext xdamage xfixes x11-xcb xcb-glx >= $XCBGLX_REQUIRED xcb-dri2 >= $XCBDRI2_REQUIRED"
+
+    if test x"$enable_dri3" = xyes; then
+        dri_modules="$dri_modules xcb-dri3 xcb-present xcb-sync xshmfence >= $XSHMFENCE_REQUIRED"
+    fi
 
     # add xf86vidmode if available
     PKG_CHECK_MODULES([XF86VIDMODE], [xxf86vm], HAVE_XF86VIDMODE=yes, HAVE_XF86VIDMODE=no)
 
     # add xf86vidmode if available
     PKG_CHECK_MODULES([XF86VIDMODE], [xxf86vm], HAVE_XF86VIDMODE=yes, HAVE_XF86VIDMODE=no)
@@ -838,6 +856,10 @@ xyesno)
     ;;
 esac
 
     ;;
 esac
 
+if test "$have_libudev" = yes; then
+    DEFINES="$DEFINES -DHAVE_LIBUDEV"
+fi
+
 # This is outside the case (above) so that it is invoked even for non-GLX
 # builds.
 AM_CONDITIONAL(HAVE_XF86VIDMODE, test "x$HAVE_XF86VIDMODE" = xyes)
 # This is outside the case (above) so that it is invoked even for non-GLX
 # builds.
 AM_CONDITIONAL(HAVE_XF86VIDMODE, test "x$HAVE_XF86VIDMODE" = xyes)
@@ -909,63 +931,43 @@ AC_SUBST([DRI_DRIVER_SEARCH_DIR])
 dnl Which drivers to build - default is chosen by platform
 AC_ARG_WITH([dri-drivers],
     [AS_HELP_STRING([--with-dri-drivers@<:@=DIRS...@:>@],
 dnl Which drivers to build - default is chosen by platform
 AC_ARG_WITH([dri-drivers],
     [AS_HELP_STRING([--with-dri-drivers@<:@=DIRS...@:>@],
-        [comma delimited DRI drivers list, e.g.
+        [comma delimited classic DRI drivers list, e.g.
         "swrast,i965,radeon" @<:@default=auto@:>@])],
     [with_dri_drivers="$withval"],
         "swrast,i965,radeon" @<:@default=auto@:>@])],
     [with_dri_drivers="$withval"],
-    [with_dri_drivers=yes])
-if test "x$with_dri_drivers" = x; then
-    with_dri_drivers=no
-fi
-
-dnl If $with_dri_drivers is yes, directories will be added through
-dnl platform checks
-DRI_DIRS=""
-case "$with_dri_drivers" in
-no) ;;
-yes)
-    # classic DRI drivers
-    if test "x$enable_opengl" = xyes; then
-        DRI_DIRS="yes"
-    fi
-    ;;
-*)
-    # verify the requested driver directories exist
-    dri_drivers=`IFS=', '; echo $with_dri_drivers`
-    for driver in $dri_drivers; do
-        test -d "$srcdir/src/mesa/drivers/dri/$driver" || \
-            AC_MSG_ERROR([DRI driver directory '$driver' does not exist])
-    done
-    DRI_DIRS="$dri_drivers"
-    if test -n "$DRI_DIRS" -a "x$enable_opengl" != xyes; then
-        AC_MSG_ERROR([--with-dri-drivers requires OpenGL])
+    [with_dri_drivers=auto])
+
+if test "x$with_dri_drivers" = xauto; then
+    if test "x$enable_opengl" = xyes -a "x$enable_dri" = xyes; then
+        with_dri_drivers="yes"
+    else
+        with_dri_drivers="no"
     fi
     fi
-    ;;
-esac
+fi
+if test "x$with_dri_drivers" = xno; then
+    with_dri_drivers=''
+fi
 
 
-dnl Set DRI_DIRS, DEFINES and LIB_DEPS
+dnl If $with_dri_drivers is yes, drivers will be added through
+dnl platform checks. Set DEFINES and LIB_DEPS
 if test "x$enable_dri" = xyes; then
     # Platform specific settings and drivers to build
     case "$host_os" in
     linux*)
         DEFINES="$DEFINES -DUSE_EXTERNAL_DXTN_LIB=1"
         DEFINES="$DEFINES -DHAVE_ALIAS"
 if test "x$enable_dri" = xyes; then
     # Platform specific settings and drivers to build
     case "$host_os" in
     linux*)
         DEFINES="$DEFINES -DUSE_EXTERNAL_DXTN_LIB=1"
         DEFINES="$DEFINES -DHAVE_ALIAS"
+        if test "x$enable_dri3" = xyes; then
+            DEFINES="$DEFINES -DHAVE_DRI3"
+        fi
+
+        if test "x$have_libudev" != xyes; then
+            AC_MSG_ERROR([libudev-dev required for building DRI])
+        fi
 
         case "$host_cpu" in
 
         case "$host_cpu" in
-        x86_64|amd64)
-            if test "x$DRI_DIRS" = "xyes"; then
-                DRI_DIRS="i915 i965 nouveau r200 radeon swrast"
-            fi
-            ;;
-        powerpc*)
-            # Build only the drivers for cards that exist on PowerPC.
-            if test "x$DRI_DIRS" = "xyes"; then
-                DRI_DIRS="r200 radeon swrast"
-            fi
-            ;;
-        sparc*)
-            # Build only the drivers for cards that exist on sparc
-            if test "x$DRI_DIRS" = "xyes"; then
-                DRI_DIRS="r200 radeon swrast"
+        powerpc* | sparc*)
+            # Build only the drivers for cards that exist on PowerPC/sparc
+            if test "x$with_dri_drivers" = "xyes"; then
+                with_dri_drivers="r200 radeon swrast"
             fi
             ;;
         esac
             fi
             ;;
         esac
@@ -973,10 +975,6 @@ if test "x$enable_dri" = xyes; then
     *freebsd* | dragonfly* | *netbsd* | openbsd*)
         DEFINES="$DEFINES -DHAVE_PTHREAD -DUSE_EXTERNAL_DXTN_LIB=1"
         DEFINES="$DEFINES -DHAVE_ALIAS"
     *freebsd* | dragonfly* | *netbsd* | openbsd*)
         DEFINES="$DEFINES -DHAVE_PTHREAD -DUSE_EXTERNAL_DXTN_LIB=1"
         DEFINES="$DEFINES -DHAVE_ALIAS"
-
-        if test "x$DRI_DIRS" = "xyes"; then
-            DRI_DIRS="i915 i965 nouveau r200 radeon swrast"
-        fi
         ;;
     gnu*)
         DEFINES="$DEFINES -DUSE_EXTERNAL_DXTN_LIB=1"
         ;;
     gnu*)
         DEFINES="$DEFINES -DUSE_EXTERNAL_DXTN_LIB=1"
@@ -987,19 +985,17 @@ if test "x$enable_dri" = xyes; then
         ;;
     cygwin*)
         DEFINES="$DEFINES -DUSE_EXTERNAL_DXTN_LIB=1"
         ;;
     cygwin*)
         DEFINES="$DEFINES -DUSE_EXTERNAL_DXTN_LIB=1"
-        if test "x$DRI_DIRS" = "xyes"; then
-            DRI_DIRS="swrast"
+        if test "x$with_dri_drivers" = "xyes"; then
+            with_dri_drivers="swrast"
         fi
         ;;
     esac
 
     # default drivers
         fi
         ;;
     esac
 
     # default drivers
-    if test "x$DRI_DIRS" = "xyes"; then
-        DRI_DIRS="i915 i965 nouveau r200 radeon swrast"
+    if test "x$with_dri_drivers" = "xyes"; then
+        with_dri_drivers="i915 i965 nouveau r200 radeon swrast"
     fi
 
     fi
 
-    DRI_DIRS=`echo "$DRI_DIRS" | $SED 's/  */ /g'`
-
     # Check for expat
     PKG_CHECK_EXISTS([EXPAT], [have_expat=yes], [have_expat=no])
     if test "x$have_expat" = "xyes"; then
     # Check for expat
     PKG_CHECK_EXISTS([EXPAT], [have_expat=yes], [have_expat=no])
     if test "x$have_expat" = "xyes"; then
@@ -1011,8 +1007,8 @@ if test "x$enable_dri" = xyes; then
     fi
 
     # If we are building any DRI driver other than swrast.
     fi
 
     # If we are building any DRI driver other than swrast.
-    if test -n "$DRI_DIRS"; then
-        if test x"$DRI_DIRS" != xswrast; then
+    if test -n "$with_dri_drivers"; then
+        if test "x$with_dri_drivers" != xswrast; then
             # ... libdrm is required
             if test "x$have_libdrm" != xyes; then
                 AC_MSG_ERROR([DRI drivers requires libdrm >= $LIBDRM_REQUIRED])
             # ... libdrm is required
             if test "x$have_libdrm" != xyes; then
                 AC_MSG_ERROR([DRI drivers requires libdrm >= $LIBDRM_REQUIRED])
@@ -1027,65 +1023,57 @@ if test "x$enable_dri" = xyes; then
     DRI_LIB_DEPS="$DRI_LIB_DEPS $SELINUX_LIBS $LIBDRM_LIBS $EXPAT_LIBS -lm $PTHREAD_LIBS $DLOPEN_LIBS"
     GALLIUM_DRI_LIB_DEPS="$GALLIUM_DRI_LIB_DEPS $SELINUX_LIBS $LIBDRM_LIBS $EXPAT_LIBS -lm $CLOCK_LIB $PTHREAD_LIBS $DLOPEN_LIBS"
 
     DRI_LIB_DEPS="$DRI_LIB_DEPS $SELINUX_LIBS $LIBDRM_LIBS $EXPAT_LIBS -lm $PTHREAD_LIBS $DLOPEN_LIBS"
     GALLIUM_DRI_LIB_DEPS="$GALLIUM_DRI_LIB_DEPS $SELINUX_LIBS $LIBDRM_LIBS $EXPAT_LIBS -lm $CLOCK_LIB $PTHREAD_LIBS $DLOPEN_LIBS"
 
-    DRI_DRIVER_LDFLAGS="-module -avoid-version -shared -Wl,-Bsymbolic"
 fi
 
 fi
 
-AM_CONDITIONAL(NEED_MEGADRIVER, test -n "$DRI_DIRS")
-AM_CONDITIONAL(NEED_LIBMESA, test "x$enable_xlib_glx" = xyes -o \
-                                  "x$enable_osmesa" = xyes -o \
-                                  -n "$DRI_DIRS")
 AC_SUBST([DRI_LIB_DEPS])
 AC_SUBST([DRI_LIB_DEPS])
-AC_SUBST([DRI_DRIVER_LDFLAGS])
 AC_SUBST([GALLIUM_DRI_LIB_DEPS])
 
 AC_SUBST([GALLIUM_DRI_LIB_DEPS])
 
-case $DRI_DIRS in
-*i915*|*i965*)
-    PKG_CHECK_MODULES([INTEL], [libdrm_intel >= $LIBDRM_INTEL_REQUIRED])
+DRI_DIRS=''
+dnl Duplicates in DRI_DIRS are removed by sorting it at the end of this block
+if test -n "$with_dri_drivers"; then
+    if test "x$enable_opengl" != xyes; then
+        AC_MSG_ERROR([--with-dri-drivers requires OpenGL])
+    fi
 
 
-    for d in $(echo $DRI_DIRS | sed 's/,/ /g'); do
-        case $d in
-        i915)
+    dri_drivers=`IFS=', '; echo $with_dri_drivers`
+    for driver in $dri_drivers; do
+        DRI_DIRS="$DRI_DIRS $driver"
+        case "x$driver" in
+        xi915)
             HAVE_I915_DRI=yes;
             HAVE_I915_DRI=yes;
+            PKG_CHECK_MODULES([INTEL], [libdrm_intel >= $LIBDRM_INTEL_REQUIRED])
             ;;
             ;;
-        i965)
+        xi965)
             HAVE_I965_DRI=yes;
             HAVE_I965_DRI=yes;
+            PKG_CHECK_MODULES([INTEL], [libdrm_intel >= $LIBDRM_INTEL_REQUIRED])
             ;;
             ;;
-        esac
-    done
-
-    ;;
-esac
-
-case $DRI_DIRS in
-*nouveau*)
-    PKG_CHECK_MODULES([NOUVEAU], [libdrm_nouveau >= $LIBDRM_NVVIEUX_REQUIRED])
-    HAVE_NOUVEAU_DRI=yes;
-    ;;
-esac
-
-case $DRI_DIRS in
-*radeon*|*r200*)
-    PKG_CHECK_MODULES([RADEON], [libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
-
-    for d in $(echo $DRI_DIRS | sed 's/,/ /g'); do
-        case $d in
-        radeon)
+        xnouveau)
+            HAVE_NOUVEAU_DRI=yes;
+            PKG_CHECK_MODULES([NOUVEAU], [libdrm_nouveau >= $LIBDRM_NVVIEUX_REQUIRED])
+            ;;
+        xradeon)
             HAVE_RADEON_DRI=yes;
             HAVE_RADEON_DRI=yes;
+            PKG_CHECK_MODULES([RADEON], [libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
             ;;
             ;;
-        r200)
+        xr200)
             HAVE_R200_DRI=yes;
             HAVE_R200_DRI=yes;
+            PKG_CHECK_MODULES([RADEON], [libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
+            ;;
+        xswrast)
+            HAVE_SWRAST_DRI=yes;
+            ;;
+        *)
+            AC_MSG_ERROR([classic DRI driver '$driver' does not exist])
             ;;
         esac
     done
             ;;
         esac
     done
+    DRI_DIRS=`echo $DRI_DIRS|tr " " "\n"|sort -u|tr "\n" " "`
+fi
 
 
-    ;;
-esac
-
-case $DRI_DIRS in
-*swrast*)
-    HAVE_SWRAST_DRI=yes;
-    ;;
-esac
+AM_CONDITIONAL(NEED_MEGADRIVER, test -n "$DRI_DIRS")
+AM_CONDITIONAL(NEED_LIBMESA, test "x$enable_xlib_glx" = xyes -o \
+                                  "x$enable_osmesa" = xyes -o \
+                                  -n "$DRI_DIRS")
 
 dnl
 dnl OSMesa configuration
 
 dnl
 dnl OSMesa configuration
@@ -1117,12 +1105,7 @@ x16|x32)
 esac
 
 if test "x$enable_osmesa" = xyes -o "x$enable_gallium_osmesa" = xyes; then
 esac
 
 if test "x$enable_osmesa" = xyes -o "x$enable_gallium_osmesa" = xyes; then
-    # only link libraries with osmesa if shared
-    if test "$enable_static" = no; then
-        OSMESA_LIB_DEPS="-lm $PTHREAD_LIBS $SELINUX_LIBS $DLOPEN_LIBS"
-    else
-        OSMESA_LIB_DEPS=""
-    fi
+    OSMESA_LIB_DEPS="-lm $PTHREAD_LIBS $SELINUX_LIBS $DLOPEN_LIBS"
     OSMESA_MESA_DEPS=""
     OSMESA_PC_LIB_PRIV="-lm $PTHREAD_LIBS $SELINUX_LIBS $DLOPEN_LIBS"
 fi
     OSMESA_MESA_DEPS=""
     OSMESA_PC_LIB_PRIV="-lm $PTHREAD_LIBS $SELINUX_LIBS $DLOPEN_LIBS"
 fi
@@ -1144,8 +1127,9 @@ if test "x$enable_gbm" = xauto; then
     esac
 fi
 if test "x$enable_gbm" = xyes; then
     esac
 fi
 if test "x$enable_gbm" = xyes; then
-    PKG_CHECK_MODULES([LIBUDEV], [libudev], [],
-                      AC_MSG_ERROR([gbm needs udev]))
+    if test x"$have_libudev" != xyes; then
+        AC_MSG_ERROR([gbm requires udev >= $LIBUDEV_REQUIRED])
+    fi
 
     if test "x$enable_dri" = xyes; then
         GBM_BACKEND_DIRS="$GBM_BACKEND_DIRS dri"
 
     if test "x$enable_dri" = xyes; then
         GBM_BACKEND_DIRS="$GBM_BACKEND_DIRS dri"
@@ -1155,7 +1139,7 @@ if test "x$enable_gbm" = xyes; then
     fi
 fi
 AM_CONDITIONAL(HAVE_GBM, test "x$enable_gbm" = xyes)
     fi
 fi
 AM_CONDITIONAL(HAVE_GBM, test "x$enable_gbm" = xyes)
-GBM_PC_REQ_PRIV="libudev"
+GBM_PC_REQ_PRIV="libudev >= $LIBUDEV_REQUIRED"
 GBM_PC_LIB_PRIV="$DLOPEN_LIBS"
 AC_SUBST([GBM_PC_REQ_PRIV])
 AC_SUBST([GBM_PC_LIB_PRIV])
 GBM_PC_LIB_PRIV="$DLOPEN_LIBS"
 AC_SUBST([GBM_PC_REQ_PRIV])
 AC_SUBST([GBM_PC_LIB_PRIV])
@@ -1170,18 +1154,8 @@ if test "x$enable_egl" = xyes; then
 
     AC_CHECK_FUNC(mincore, [DEFINES="$DEFINES -DHAVE_MINCORE"])
 
 
     AC_CHECK_FUNC(mincore, [DEFINES="$DEFINES -DHAVE_MINCORE"])
 
-    if test "$enable_static" != yes; then
-        # build egl_glx when libGL is built
-        PKG_CHECK_MODULES([LIBUDEV], [libudev > 150],
-                          [have_libudev=yes],[have_libudev=no])
-        if test "$have_libudev" = yes; then
-            DEFINES="$DEFINES -DHAVE_LIBUDEV"
-        fi
-
-        if test "x$enable_dri" = xyes; then
-           HAVE_EGL_DRIVER_DRI2=1
-       fi
-
+    if test "x$enable_dri" = xyes; then
+        HAVE_EGL_DRIVER_DRI2=1
     fi
 fi
 AM_CONDITIONAL(HAVE_EGL, test "x$enable_egl" = xyes)
     fi
 fi
 AM_CONDITIONAL(HAVE_EGL, test "x$enable_egl" = xyes)
@@ -1191,7 +1165,7 @@ dnl
 dnl EGL Gallium configuration
 dnl
 if test "x$enable_gallium_egl" = xyes; then
 dnl EGL Gallium configuration
 dnl
 if test "x$enable_gallium_egl" = xyes; then
-    if test "x$with_gallium_drivers" = x; then
+    if test -z "$with_gallium_drivers"; then
         AC_MSG_ERROR([cannot enable egl_gallium without Gallium])
     fi
     if test "x$enable_egl" = xno; then
         AC_MSG_ERROR([cannot enable egl_gallium without Gallium])
     fi
     if test "x$enable_egl" = xno; then
@@ -1218,7 +1192,7 @@ if test "x$enable_gallium_gbm" = xauto; then
     esac
 fi
 if test "x$enable_gallium_gbm" = xyes; then
     esac
 fi
 if test "x$enable_gallium_gbm" = xyes; then
-    if test "x$with_gallium_drivers" = x; then
+    if test -z "$with_gallium_drivers"; then
         AC_MSG_ERROR([cannot enable gbm_gallium without Gallium])
     fi
     if test "x$enable_gbm" = xno; then
         AC_MSG_ERROR([cannot enable gbm_gallium without Gallium])
     fi
     if test "x$enable_gbm" = xno; then
@@ -1235,25 +1209,20 @@ if test "x$enable_gallium_gbm" = xyes; then
 fi
 AM_CONDITIONAL(HAVE_GALLIUM_GBM, test "x$enable_gallium_gbm" = xyes)
 
 fi
 AM_CONDITIONAL(HAVE_GALLIUM_GBM, test "x$enable_gallium_gbm" = xyes)
 
-dnl
-dnl X.Org DDX configuration
-dnl
-if test "x$enable_xorg" = xyes; then
-    PKG_CHECK_MODULES([XORG], [xorg-server >= 1.6.0])
-    PKG_CHECK_MODULES([LIBDRM_XORG], [libdrm >= $LIBDRM_XORG_REQUIRED])
-    PKG_CHECK_MODULES([LIBKMS_XORG], [libkms >= $LIBKMS_XORG_REQUIRED])
-    PKG_CHECK_MODULES(XEXT, [xextproto >= 7.0.99.1],
-        HAVE_XEXTPROTO_71="yes"; DEFINES="$DEFINES -DHAVE_XEXTPROTO_71",
-        HAVE_XEXTPROTO_71="no")
-    GALLIUM_STATE_TRACKERS_DIRS="xorg $GALLIUM_STATE_TRACKERS_DIRS"
-fi
-AM_CONDITIONAL(HAVE_ST_XORG, test "x$enable_xorg" = xyes)
-
 dnl
 dnl XA configuration
 dnl
 if test "x$enable_xa" = xyes; then
 dnl
 dnl XA configuration
 dnl
 if test "x$enable_xa" = xyes; then
+    if test "x$with_gallium_drivers" = xswrast; then
+       AC_MSG_ERROR([
+          Building xa requires at least one non swrast gallium driver.
+          If you are looking to use libxatracker.so with vmware's virtual gpu,
+          make sure to include svga in the gallium drivers list, apart from
+          enabling XA.
+          Example: ./configure --enable-xa --with-gallium-drivers=svga...])
+    fi
     GALLIUM_STATE_TRACKERS_DIRS="xa $GALLIUM_STATE_TRACKERS_DIRS"
     GALLIUM_STATE_TRACKERS_DIRS="xa $GALLIUM_STATE_TRACKERS_DIRS"
+    enable_gallium_loader=yes
 fi
 AM_CONDITIONAL(HAVE_ST_XA, test "x$enable_xa" = xyes)
 
 fi
 AM_CONDITIONAL(HAVE_ST_XA, test "x$enable_xa" = xyes)
 
@@ -1266,7 +1235,7 @@ if test "x$enable_openvg" = xyes; then
     if test "x$enable_egl" = xno; then
         AC_MSG_ERROR([cannot enable OpenVG without EGL])
     fi
     if test "x$enable_egl" = xno; then
         AC_MSG_ERROR([cannot enable OpenVG without EGL])
     fi
-    if test "x$with_gallium_drivers" = x; then
+    if test -z "$with_gallium_drivers"; then
         AC_MSG_ERROR([cannot enable OpenVG without Gallium])
     fi
     if test "x$enable_gallium_egl" = xno; then
         AC_MSG_ERROR([cannot enable OpenVG without Gallium])
     fi
     if test "x$enable_gallium_egl" = xno; then
@@ -1292,20 +1261,31 @@ if test -n "$with_gallium_drivers"; then
     if test "x$enable_vdpau" = xauto; then
        PKG_CHECK_EXISTS([vdpau], [enable_vdpau=yes], [enable_vdpau=no])
     fi
     if test "x$enable_vdpau" = xauto; then
        PKG_CHECK_EXISTS([vdpau], [enable_vdpau=yes], [enable_vdpau=no])
     fi
+
+    if test "x$enable_omx" = xauto; then
+       PKG_CHECK_EXISTS([libomxil-bellagio], [enable_omx=yes], [enable_omx=no])
+    fi
 fi
 
 if test "x$enable_xvmc" = xyes; then
 fi
 
 if test "x$enable_xvmc" = xyes; then
-    PKG_CHECK_MODULES([XVMC], [xvmc >= 1.0.6 x11-xcb xcb-dri2 >= 1.8])
+    PKG_CHECK_MODULES([XVMC], [xvmc >= $XVMC_REQUIRED x11-xcb xcb-dri2 >= $XCBDRI2_REQUIRED])
     GALLIUM_STATE_TRACKERS_DIRS="$GALLIUM_STATE_TRACKERS_DIRS xvmc"
 fi
 AM_CONDITIONAL(HAVE_ST_XVMC, test "x$enable_xvmc" = xyes)
 
 if test "x$enable_vdpau" = xyes; then
     GALLIUM_STATE_TRACKERS_DIRS="$GALLIUM_STATE_TRACKERS_DIRS xvmc"
 fi
 AM_CONDITIONAL(HAVE_ST_XVMC, test "x$enable_xvmc" = xyes)
 
 if test "x$enable_vdpau" = xyes; then
-    PKG_CHECK_MODULES([VDPAU], [vdpau >= 0.4.1 x11-xcb xcb-dri2 >= 1.8])
+    PKG_CHECK_MODULES([VDPAU], [vdpau >= $VDPAU_REQUIRED x11-xcb xcb-dri2 >= $XCBDRI2_REQUIRED],
+                      [VDPAU_LIBS="`$PKG_CONFIG --libs x11-xcb xcb-dri2`"])
     GALLIUM_STATE_TRACKERS_DIRS="$GALLIUM_STATE_TRACKERS_DIRS vdpau"
 fi
 AM_CONDITIONAL(HAVE_ST_VDPAU, test "x$enable_vdpau" = xyes)
 
     GALLIUM_STATE_TRACKERS_DIRS="$GALLIUM_STATE_TRACKERS_DIRS vdpau"
 fi
 AM_CONDITIONAL(HAVE_ST_VDPAU, test "x$enable_vdpau" = xyes)
 
+if test "x$enable_omx" = xyes; then
+    PKG_CHECK_MODULES([OMX], [libomxil-bellagio >= $LIBOMXIL_BELLAGIO_REQUIRED x11-xcb xcb-dri2 >= $XCBDRI2_REQUIRED])
+    GALLIUM_STATE_TRACKERS_DIRS="$GALLIUM_STATE_TRACKERS_DIRS omx"
+fi
+AM_CONDITIONAL(HAVE_ST_OMX, test "x$enable_omx" = xyes)
+
 dnl
 dnl OpenCL configuration
 dnl
 dnl
 dnl OpenCL configuration
 dnl
@@ -1314,9 +1294,9 @@ AC_ARG_WITH([libclc-path],
    [AS_HELP_STRING([--with-libclc-path],
          [DEPRECATED: See http://dri.freedesktop.org/wiki/GalliumCompute#How_to_Install])],
    [LIBCLC_PATH="$withval"],
    [AS_HELP_STRING([--with-libclc-path],
          [DEPRECATED: See http://dri.freedesktop.org/wiki/GalliumCompute#How_to_Install])],
    [LIBCLC_PATH="$withval"],
-   [LIBCLC_PATH=""])
+   [LIBCLC_PATH=''])
 
 
-if test "x$LIBCLC_PATH" != x; then
+if test -n "$LIBCLC_PATH"; then
    AC_MSG_ERROR([The --with-libclc-path option has been deprecated.
                   Please review the updated build instructions for clover:
                  http://dri.freedesktop.org/wiki/GalliumCompute])
    AC_MSG_ERROR([The --with-libclc-path option has been deprecated.
                   Please review the updated build instructions for clover:
                  http://dri.freedesktop.org/wiki/GalliumCompute])
@@ -1327,12 +1307,12 @@ AC_ARG_WITH([clang-libdir],
    [AS_HELP_STRING([--with-clang-libdir],
          [Path to Clang libraries @<:@default=llvm-config --libdir@:>@])],
    [CLANG_LIBDIR="$withval"],
    [AS_HELP_STRING([--with-clang-libdir],
          [Path to Clang libraries @<:@default=llvm-config --libdir@:>@])],
    [CLANG_LIBDIR="$withval"],
-   [CLANG_LIBDIR=""])
+   [CLANG_LIBDIR=''])
 
 PKG_CHECK_EXISTS([libclc], [have_libclc=yes], [have_libclc=no])
 
 if test "x$enable_opencl" = xyes; then
 
 PKG_CHECK_EXISTS([libclc], [have_libclc=yes], [have_libclc=no])
 
 if test "x$enable_opencl" = xyes; then
-    if test "x$with_gallium_drivers" = x; then
+    if test -z "$with_gallium_drivers"; then
         AC_MSG_ERROR([cannot enable OpenCL without Gallium])
     fi
 
         AC_MSG_ERROR([cannot enable OpenCL without Gallium])
     fi
 
@@ -1414,7 +1394,7 @@ egl_platforms=`IFS=', '; echo $with_egl_platforms`
 for plat in $egl_platforms; do
        case "$plat" in
        wayland)
 for plat in $egl_platforms; do
        case "$plat" in
        wayland)
-               PKG_CHECK_MODULES([WAYLAND], [wayland-client >= 1.2.0 wayland-server >= 1.2.0])
+               PKG_CHECK_MODULES([WAYLAND], [wayland-client >= $WAYLAND_REQUIRED wayland-server >= $WAYLAND_REQUIRED])
                GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS sw/wayland"
 
                 WAYLAND_PREFIX=`$PKG_CONFIG --variable=prefix wayland-client`
                GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS sw/wayland"
 
                 WAYLAND_PREFIX=`$PKG_CONFIG --variable=prefix wayland-client`
@@ -1423,16 +1403,14 @@ for plat in $egl_platforms; do
                ;;
 
        x11)
                ;;
 
        x11)
-               PKG_CHECK_MODULES([XCB_DRI2], [x11-xcb xcb-dri2 >= 1.8 xcb-xfixes])
-
-                if test "x$enable_glx" = xyes; then
-                        HAVE_EGL_DRIVER_GLX=1
-                fi
+               PKG_CHECK_MODULES([XCB_DRI2], [x11-xcb xcb-dri2 >= $XCBDRI2_REQUIRED xcb-xfixes])
                ;;
 
        drm)
                test "x$enable_gbm" = "xno" &&
                        AC_MSG_ERROR([EGL platform drm needs gbm])
                ;;
 
        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])
                ;;
 
        android|fbdev|gdi|null)
                ;;
 
        android|fbdev|gdi|null)
@@ -1445,7 +1423,7 @@ for plat in $egl_platforms; do
 
         case "$plat$have_libudev" in
                 waylandno|drmno)
 
         case "$plat$have_libudev" in
                 waylandno|drmno)
-                    AC_MSG_ERROR([cannot build $plat platfrom without udev]) ;;
+                    AC_MSG_ERROR([cannot build $plat platform without udev >= $LIBUDEV_REQUIRED]) ;;
         esac
 done
 
         esac
 done
 
@@ -1459,6 +1437,7 @@ else
 fi
 
 if echo "$egl_platforms" | grep 'x11' >/dev/null 2>&1; then
 fi
 
 if echo "$egl_platforms" | grep 'x11' >/dev/null 2>&1; then
+    GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS sw/xlib"
     NEED_WINSYS_XLIB=yes
 fi
 AM_CONDITIONAL(HAVE_EGL_PLATFORM_X11, echo "$egl_platforms" | grep 'x11' >/dev/null 2>&1)
     NEED_WINSYS_XLIB=yes
 fi
 AM_CONDITIONAL(HAVE_EGL_PLATFORM_X11, echo "$egl_platforms" | grep 'x11' >/dev/null 2>&1)
@@ -1468,7 +1447,6 @@ AM_CONDITIONAL(HAVE_EGL_PLATFORM_FBDEV, echo "$egl_platforms" | grep 'fbdev' >/d
 AM_CONDITIONAL(HAVE_EGL_PLATFORM_NULL, echo "$egl_platforms" | grep 'null' >/dev/null 2>&1)
 
 AM_CONDITIONAL(HAVE_EGL_DRIVER_DRI2, test "x$HAVE_EGL_DRIVER_DRI2" != "x")
 AM_CONDITIONAL(HAVE_EGL_PLATFORM_NULL, echo "$egl_platforms" | grep 'null' >/dev/null 2>&1)
 
 AM_CONDITIONAL(HAVE_EGL_DRIVER_DRI2, test "x$HAVE_EGL_DRIVER_DRI2" != "x")
-AM_CONDITIONAL(HAVE_EGL_DRIVER_GLX, test "x$HAVE_EGL_DRIVER_GLX" != "x")
 
 AC_SUBST([EGL_NATIVE_PLATFORM])
 AC_SUBST([EGL_CFLAGS])
 
 AC_SUBST([EGL_NATIVE_PLATFORM])
 AC_SUBST([EGL_CFLAGS])
@@ -1487,13 +1465,6 @@ AC_ARG_WITH([egl-driver-dir],
     [EGL_DRIVER_INSTALL_DIR='${libdir}/egl'])
 AC_SUBST([EGL_DRIVER_INSTALL_DIR])
 
     [EGL_DRIVER_INSTALL_DIR='${libdir}/egl'])
 AC_SUBST([EGL_DRIVER_INSTALL_DIR])
 
-AC_ARG_WITH([xorg-driver-dir],
-    [AS_HELP_STRING([--with-xorg-driver-dir=DIR],
-                    [Default xorg driver directory[[default=${libdir}/xorg/modules/drivers]]])],
-    [XORG_DRIVER_INSTALL_DIR="$withval"],
-    [XORG_DRIVER_INSTALL_DIR="${libdir}/xorg/modules/drivers"])
-AC_SUBST([XORG_DRIVER_INSTALL_DIR])
-
 AC_ARG_WITH([max-width],
     [AS_HELP_STRING([--with-max-width=N],
                     [Maximum framebuffer width (4096)])],
 AC_ARG_WITH([max-width],
     [AS_HELP_STRING([--with-max-width=N],
                     [Maximum framebuffer width (4096)])],
@@ -1518,23 +1489,17 @@ AC_ARG_ENABLE([gallium-llvm],
     [enable_gallium_llvm="$enableval"],
     [enable_gallium_llvm=auto])
 
     [enable_gallium_llvm="$enableval"],
     [enable_gallium_llvm=auto])
 
-AC_ARG_WITH([llvm-shared-libs],
-    [AS_HELP_STRING([--with-llvm-shared-libs],
-        [link with LLVM shared libraries @<:@default=disabled@:>@])],
-    [],
-    [with_llvm_shared_libs=no])
-AS_IF([test x$enable_opencl = xyes],
-    [
-        if test "x$with_llvm_shared_libs" != xyes; then
-            AC_MSG_ERROR([OpenCL requires LLVM shared libraries])
-        fi
-    ])
+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"],
 
 AC_ARG_WITH([llvm-prefix],
     [AS_HELP_STRING([--with-llvm-prefix],
         [Prefix for LLVM installations in non-standard locations])],
     [llvm_prefix="$withval"],
-    [llvm_prefix=""])
+    [llvm_prefix=''])
 
 
 # Call this inside ` ` to get the return value.
 
 
 # Call this inside ` ` to get the return value.
@@ -1548,11 +1513,19 @@ strip_unwanted_llvm_flags() {
        -e 's/-O.\>//g' \
        -e 's/-g\>//g' \
        -e 's/-Wall\>//g' \
        -e 's/-O.\>//g' \
        -e 's/-g\>//g' \
        -e 's/-Wall\>//g' \
-       -e 's/-fomit-frame-pointer\>//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'
 }
 
 
 }
 
 
-if test "x$with_gallium_drivers" = x; then
+if test -z "$with_gallium_drivers"; then
     enable_gallium_llvm=no
 fi
 if test "x$enable_gallium_llvm" = xauto; then
     enable_gallium_llvm=no
 fi
 if test "x$enable_gallium_llvm" = xauto; then
@@ -1561,10 +1534,10 @@ if test "x$enable_gallium_llvm" = xauto; then
     esac
 fi
 if test "x$enable_gallium_llvm" = xyes; then
     esac
 fi
 if test "x$enable_gallium_llvm" = xyes; then
-    if test "x$llvm_prefix" != x; then
-        AC_PATH_PROG([LLVM_CONFIG], [llvm-config], [no], ["$llvm_prefix/bin"])
+    if test -n "$llvm_prefix"; then
+        AC_PATH_TOOL([LLVM_CONFIG], [llvm-config], [no], ["$llvm_prefix/bin"])
     else
     else
-        AC_PATH_PROG([LLVM_CONFIG], [llvm-config], [no])
+        AC_PATH_TOOL([LLVM_CONFIG], [llvm-config], [no])
     fi
 
     if test "x$LLVM_CONFIG" != xno; then
     fi
 
     if test "x$LLVM_CONFIG" != xno; then
@@ -1576,13 +1549,14 @@ if test "x$enable_gallium_llvm" = xyes; then
         LLVM_CXXFLAGS=`strip_unwanted_llvm_flags "$LLVM_CONFIG --cxxflags"`
         LLVM_INCLUDEDIR=`$LLVM_CONFIG --includedir`
         LLVM_LIBDIR=`$LLVM_CONFIG --libdir`
         LLVM_CXXFLAGS=`strip_unwanted_llvm_flags "$LLVM_CONFIG --cxxflags"`
         LLVM_INCLUDEDIR=`$LLVM_CONFIG --includedir`
         LLVM_LIBDIR=`$LLVM_CONFIG --libdir`
+        LLVM_LDFLAGS="-Wl,-rpath,$LLVM_LIBDIR $LLVM_LDFLAGS"
 
         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_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"])
 
-        if test "x${LLVM_VERSION_MAJOR}" != x; then
+        if test -n "${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'`
             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'`
@@ -1609,7 +1583,7 @@ if test "x$enable_gallium_llvm" = xyes; then
 
         dnl Check for Clang internal headers
         if test "x$enable_opencl" = xyes; then
 
         dnl Check for Clang internal headers
         if test "x$enable_opencl" = xyes; then
-            if test "x$CLANG_LIBDIR" = x; then
+            if test -z "$CLANG_LIBDIR"; then
                 CLANG_LIBDIR=${LLVM_LIBDIR}
             fi
             CLANG_RESOURCE_DIR=$CLANG_LIBDIR/clang/${LLVM_VERSION}
                 CLANG_LIBDIR=${LLVM_LIBDIR}
             fi
             CLANG_RESOURCE_DIR=$CLANG_LIBDIR/clang/${LLVM_VERSION}
@@ -1654,6 +1628,18 @@ AC_ARG_WITH([vdpau-libdir],
     [VDPAU_LIB_INSTALL_DIR='${libdir}/vdpau'])
 AC_SUBST([VDPAU_LIB_INSTALL_DIR])
 
     [VDPAU_LIB_INSTALL_DIR='${libdir}/vdpau'])
 AC_SUBST([VDPAU_LIB_INSTALL_DIR])
 
+OMX_LIB_INSTALL_DIR_DEFAULT=''
+if test "x$enable_omx" = xyes; then
+    OMX_LIB_INSTALL_DIR_DEFAULT=`$PKG_CONFIG --variable=pluginsdir libomxil-bellagio`
+fi
+
+AC_ARG_WITH([omx-libdir],
+    [AS_HELP_STRING([--with-omx-libdir=DIR],
+        [directory for the OMX libraries])],
+    [OMX_LIB_INSTALL_DIR="$withval"],
+    [OMX_LIB_INSTALL_DIR="$OMX_LIB_INSTALL_DIR_DEFAULT"])
+AC_SUBST([OMX_LIB_INSTALL_DIR])
+
 dnl Directory for OpenCL libs
 AC_ARG_WITH([opencl-libdir],
     [AS_HELP_STRING([--with-opencl-libdir=DIR],
 dnl Directory for OpenCL libs
 AC_ARG_WITH([opencl-libdir],
     [AS_HELP_STRING([--with-opencl-libdir=DIR],
@@ -1672,19 +1658,19 @@ gallium_check_st() {
          fi
          GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS $1"
     fi
          fi
          GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS $1"
     fi
-    if test "x$enable_dri" = xyes && test "x$2" != x; then
+    if test "x$enable_dri" = xyes && test -n "$2"; then
          GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS $2"
     fi
          GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS $2"
     fi
-    if test "x$enable_xorg" = xyes && test "x$3" != x; then
+    if test "x$enable_xa" = xyes && test -n "$3"; then
          GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS $3"
     fi
          GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS $3"
     fi
-    if test "x$enable_xa" = xyes && test "x$4" != x; then
+    if test "x$enable_xvmc" = xyes && test -n "$4"; then
          GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS $4"
     fi
          GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS $4"
     fi
-    if test "x$enable_xvmc" = xyes && test "x$5" != x; then
+    if test "x$enable_vdpau" = xyes && test -n "$5"; then
          GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS $5"
     fi
          GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS $5"
     fi
-    if test "x$enable_vdpau" = xyes && test "x$6" != x; then
+    if test "x$enable_omx" = xyes && test "x$6" != x; then
          GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS $6"
     fi
 }
          GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS $6"
     fi
 }
@@ -1699,8 +1685,9 @@ gallium_require_llvm() {
 
 gallium_require_drm_loader() {
     if test "x$enable_gallium_loader" = xyes; then
 
 gallium_require_drm_loader() {
     if test "x$enable_gallium_loader" = xyes; then
-        PKG_CHECK_MODULES([LIBUDEV], [libudev], [],
-                          AC_MSG_ERROR([Gallium drm loader requires libudev]))
+        if test "x$have_libudev" != xyes; then
+            AC_MSG_ERROR([Gallium drm loader requires libudev >= $LIBUDEV_REQUIRED])
+        fi
         if test "x$have_libdrm" != xyes; then
             AC_MSG_ERROR([Gallium drm loader requires libdrm >= $LIBDRM_REQUIRED])
         fi
         if test "x$have_libdrm" != xyes; then
             AC_MSG_ERROR([Gallium drm loader requires libdrm >= $LIBDRM_REQUIRED])
         fi
@@ -1709,10 +1696,13 @@ gallium_require_drm_loader() {
 }
 
 radeon_llvm_check() {
 }
 
 radeon_llvm_check() {
+    if test "x$enable_gallium_llvm" != "xyes"; then
+        AC_MSG_ERROR([--enable-gallium-llvm is required when building $1])
+    fi
     LLVM_REQUIRED_VERSION_MAJOR="3"
     LLVM_REQUIRED_VERSION_MINOR="3"
     if test "$LLVM_VERSION_INT" -lt "${LLVM_REQUIRED_VERSION_MAJOR}0${LLVM_REQUIRED_VERSION_MINOR}"; then
     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 for r600g and radeonsi.])
+        AC_MSG_ERROR([LLVM $LLVM_REQUIRED_VERSION_MAJOR.$LLVM_REQUIRED_VERSION_MINOR or newer is required for $1])
     fi
     if test true && $LLVM_CONFIG --targets-built | grep -qvw 'R600' ; then
         AC_MSG_ERROR([LLVM R600 Target not enabled.  You can enable it when building the LLVM
     fi
     if test true && $LLVM_CONFIG --targets-built | grep -qvw 'R600' ; then
         AC_MSG_ERROR([LLVM R600 Target not enabled.  You can enable it when building the LLVM
@@ -1722,36 +1712,37 @@ radeon_llvm_check() {
     LLVM_COMPONENTS="${LLVM_COMPONENTS} r600 bitreader ipo"
     NEED_RADEON_LLVM=yes
     AC_CHECK_LIB([elf], [elf_memory], [ELF_LIB=-lelf],
     LLVM_COMPONENTS="${LLVM_COMPONENTS} r600 bitreader ipo"
     NEED_RADEON_LLVM=yes
     AC_CHECK_LIB([elf], [elf_memory], [ELF_LIB=-lelf],
-                                 [AC_MSG_ERROR([radeonsi and r600g require libelf when using LLVM])])
+                                 [AC_MSG_ERROR([$1 requires libelf when using LLVM])])
 }
 
 dnl Gallium drivers
 }
 
 dnl Gallium drivers
-if test "x$enable_dri" = xyes -o "x$enable_xorg" = xyes -o \
-        "x$enable_xa" = xyes -o "x$enable_xvmc" = xyes -o \
-        "x$enable_vdpau" = xyes; then
+if test "x$enable_dri" = xyes -o "x$enable_xa" = xyes -o \
+        "x$enable_xvmc" = xyes -o "x$enable_vdpau" = xyes; then
     NEED_NONNULL_WINSYS=yes
 fi
 AM_CONDITIONAL(NEED_NONNULL_WINSYS, test "x$NEED_NONNULL_WINSYS" = xyes)
 
 dnl Duplicates in GALLIUM_DRIVERS_DIRS are removed by sorting it after this block
     NEED_NONNULL_WINSYS=yes
 fi
 AM_CONDITIONAL(NEED_NONNULL_WINSYS, test "x$NEED_NONNULL_WINSYS" = xyes)
 
 dnl Duplicates in GALLIUM_DRIVERS_DIRS are removed by sorting it after this block
-if test "x$with_gallium_drivers" != x; then
+if test -n "$with_gallium_drivers"; then
     gallium_drivers=`IFS=', '; echo $with_gallium_drivers`
     for driver in $gallium_drivers; do
         case "x$driver" in
         xsvga)
             HAVE_GALLIUM_SVGA=yes
             GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS svga softpipe"
     gallium_drivers=`IFS=', '; echo $with_gallium_drivers`
     for driver in $gallium_drivers; do
         case "x$driver" in
         xsvga)
             HAVE_GALLIUM_SVGA=yes
             GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS svga softpipe"
-            gallium_check_st "svga/drm" "dri-vmwgfx" "" "xa-vmwgfx"
+            gallium_require_drm_loader
+            gallium_check_st "svga/drm" "dri-vmwgfx" ""
             ;;
         xi915)
             HAVE_GALLIUM_I915=yes
             PKG_CHECK_MODULES([INTEL], [libdrm_intel >= $LIBDRM_INTEL_REQUIRED])
             ;;
         xi915)
             HAVE_GALLIUM_I915=yes
             PKG_CHECK_MODULES([INTEL], [libdrm_intel >= $LIBDRM_INTEL_REQUIRED])
+            gallium_require_drm_loader
             GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS i915 softpipe"
             if test "x$MESA_LLVM" = x1; then
                 GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS llvmpipe"
             fi
             GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS i915/sw"
             GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS i915 softpipe"
             if test "x$MESA_LLVM" = x1; then
                 GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS llvmpipe"
             fi
             GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS i915/sw"
-            gallium_check_st "i915/drm" "dri-i915" "xorg-i915"
+            gallium_check_st "i915/drm" "dri-i915"
             DRICOMMON_NEED_LIBDRM=yes
             ;;
         xilo)
             DRICOMMON_NEED_LIBDRM=yes
             ;;
         xilo)
@@ -1765,9 +1756,10 @@ if test "x$with_gallium_drivers" != x; then
         xr300)
             HAVE_GALLIUM_R300=yes
             PKG_CHECK_MODULES([RADEON], [libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
         xr300)
             HAVE_GALLIUM_R300=yes
             PKG_CHECK_MODULES([RADEON], [libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
+            gallium_require_drm_loader
             gallium_require_llvm "Gallium R300"
             GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS r300"
             gallium_require_llvm "Gallium R300"
             GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS r300"
-            gallium_check_st "radeon/drm" "r300/dri" "" "" "" ""
+            gallium_check_st "radeon/drm" "r300/dri" "" "" ""
             DRICOMMON_NEED_LIBDRM=yes
             ;;
         xr600)
             DRICOMMON_NEED_LIBDRM=yes
             ;;
         xr600)
@@ -1776,7 +1768,7 @@ if test "x$with_gallium_drivers" != x; then
             gallium_require_drm_loader
             GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS r600"
             if test "x$enable_r600_llvm" = xyes -o "x$enable_opencl" = xyes; then
             gallium_require_drm_loader
             GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS r600"
             if test "x$enable_r600_llvm" = xyes -o "x$enable_opencl" = xyes; then
-                radeon_llvm_check
+                radeon_llvm_check "r600g"
                 LLVM_COMPONENTS="${LLVM_COMPONENTS} bitreader asmparser"
             fi
             if test "x$enable_r600_llvm" = xyes; then
                 LLVM_COMPONENTS="${LLVM_COMPONENTS} bitreader asmparser"
             fi
             if test "x$enable_r600_llvm" = xyes; then
@@ -1785,7 +1777,7 @@ if test "x$with_gallium_drivers" != x; then
             if test "x$enable_opencl" = xyes; then
                 LLVM_COMPONENTS="${LLVM_COMPONENTS} bitreader asmparser"
             fi
             if test "x$enable_opencl" = xyes; then
                 LLVM_COMPONENTS="${LLVM_COMPONENTS} bitreader asmparser"
             fi
-            gallium_check_st "radeon/drm" "r600/dri" "" "" "r600/xvmc" "r600/vdpau"
+            gallium_check_st "radeon/drm" "r600/dri" "" "r600/xvmc" "r600/vdpau" "r600/omx"
             DRICOMMON_NEED_LIBDRM=yes
             ;;
         xradeonsi)
             DRICOMMON_NEED_LIBDRM=yes
             ;;
         xradeonsi)
@@ -1793,8 +1785,8 @@ if test "x$with_gallium_drivers" != x; then
             PKG_CHECK_MODULES([RADEON], [libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
             gallium_require_drm_loader
             GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS radeonsi"
             PKG_CHECK_MODULES([RADEON], [libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
             gallium_require_drm_loader
             GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS radeonsi"
-            radeon_llvm_check
-            gallium_check_st "radeon/drm" "radeonsi/dri" "" "" "" "radeonsi/vdpau" ""
+            radeon_llvm_check "radeonsi"
+            gallium_check_st "radeon/drm" "radeonsi/dri" "" "" "radeonsi/vdpau" "radeonsi/omx"
             DRICOMMON_NEED_LIBDRM=yes
             ;;
         xnouveau)
             DRICOMMON_NEED_LIBDRM=yes
             ;;
         xnouveau)
@@ -1802,7 +1794,7 @@ if test "x$with_gallium_drivers" != x; then
             PKG_CHECK_MODULES([NOUVEAU], [libdrm_nouveau >= $LIBDRM_NOUVEAU_REQUIRED])
             gallium_require_drm_loader
             GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS nouveau"
             PKG_CHECK_MODULES([NOUVEAU], [libdrm_nouveau >= $LIBDRM_NOUVEAU_REQUIRED])
             gallium_require_drm_loader
             GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS nouveau"
-            gallium_check_st "nouveau/drm" "dri-nouveau" "xorg-nouveau" "" "xvmc-nouveau" "vdpau-nouveau"
+            gallium_check_st "nouveau/drm" "dri-nouveau" "" "xvmc-nouveau" "vdpau-nouveau"
             DRICOMMON_NEED_LIBDRM=yes
             ;;
         xfreedreno)
             DRICOMMON_NEED_LIBDRM=yes
             ;;
         xfreedreno)
@@ -1810,7 +1802,7 @@ if test "x$with_gallium_drivers" != x; then
             PKG_CHECK_MODULES([FREEDRENO], [libdrm_freedreno >= $LIBDRM_FREEDRENO_REQUIRED])
             gallium_require_drm_loader
             GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS freedreno"
             PKG_CHECK_MODULES([FREEDRENO], [libdrm_freedreno >= $LIBDRM_FREEDRENO_REQUIRED])
             gallium_require_drm_loader
             GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS freedreno"
-            gallium_check_st "freedreno/drm" "dri-freedreno" "" "" "" ""
+            gallium_check_st "freedreno/drm" "dri-freedreno" "" "" ""
             DRICOMMON_NEED_LIBDRM=yes
             ;;
         xswrast)
             DRICOMMON_NEED_LIBDRM=yes
             ;;
         xswrast)
@@ -1843,7 +1835,7 @@ if test "x$MESA_LLVM" != x0; then
 
     LLVM_LIBS="`$LLVM_CONFIG --libs ${LLVM_COMPONENTS}`"
 
 
     LLVM_LIBS="`$LLVM_CONFIG --libs ${LLVM_COMPONENTS}`"
 
-    if test "x$with_llvm_shared_libs" = xyes; then
+    if test "x$enable_llvm_shared_libs" = xyes; then
         dnl We can't use $LLVM_VERSION because it has 'svn' stripped out,
         LLVM_SO_NAME=LLVM-`$LLVM_CONFIG --version`
         AS_IF([test -f "$LLVM_LIBDIR/lib$LLVM_SO_NAME.so"], [llvm_have_one_so=yes])
         dnl We can't use $LLVM_VERSION because it has 'svn' stripped out,
         LLVM_SO_NAME=LLVM-`$LLVM_CONFIG --version`
         AS_IF([test -f "$LLVM_LIBDIR/lib$LLVM_SO_NAME.so"], [llvm_have_one_so=yes])
@@ -1860,18 +1852,17 @@ if test "x$MESA_LLVM" != x0; then
        and that your llvm libraries are installed in $LLVM_LIBDIR
        If you have installed your llvm libraries to a different directory you
        can use the --with-llvm-prefix= configure flag to specify this directory.
        and that your llvm libraries are installed in $LLVM_LIBDIR
        If you have installed your llvm libraries to a different directory you
        can use the --with-llvm-prefix= configure flag to specify this directory.
-       NOTE: Mesa is attempting to use llvm shared libraries because you have
-       passed one of the following options to configure:
-               --with-llvm-shared-libs
-               --enable-opencl
+       NOTE: Mesa is attempting to use llvm shared libraries by default.
        If you do not want to build with llvm shared libraries and instead want to
        If you do not want to build with llvm shared libraries and instead want to
-       use llvm static libraries then remove these options from your configure
-       invocation and reconfigure.])])
+       use llvm static libraries then add --disable-llvm-shared-libs to your configure
+       invocation and rebuild.])])
 
            dnl We don't need to update LLVM_LIBS in this case because the LLVM
            dnl install uses a shared object for each compoenent and we have
            dnl already added all of these objects to LLVM_LIBS.
         fi
 
            dnl We don't need to update LLVM_LIBS in this case because the LLVM
            dnl install uses a shared object for each compoenent and we have
            dnl already added all of these objects to LLVM_LIBS.
         fi
+    else
+        AC_MSG_WARN([Building mesa with staticly linked LLVM may cause compilation issues])
     fi
 fi
 
     fi
 fi
 
@@ -1893,22 +1884,39 @@ AM_CONDITIONAL(NEED_GALLIUM_LLVMPIPE_DRIVER, test "x$HAVE_GALLIUM_I915" = xyes -
                                                   "x$HAVE_GALLIUM_SOFTPIPE" = xyes \
                                                   && test "x$MESA_LLVM" = x1)
 
                                                   "x$HAVE_GALLIUM_SOFTPIPE" = xyes \
                                                   && test "x$MESA_LLVM" = x1)
 
+# NOTE: anything using xcb or other client side libs ends up in separate
+#       _CLIENT variables.  The pipe loader is built in two variants,
+#       one that is standalone and does not link any x client libs (for
+#       use by XA tracker in particular, but could be used in any case
+#       where communication with xserver is not desired).
 if test "x$enable_gallium_loader" = xyes; then
     GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS sw/null"
 
 if test "x$enable_gallium_loader" = xyes; then
     GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS sw/null"
 
+    if test "x$enable_gallium_xlib_loader" = xyes; then
+        GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS sw/xlib"
+        NEED_WINSYS_XLIB="yes"
+        GALLIUM_PIPE_LOADER_DEFINES="$GALLIUM_PIPE_LOADER_DEFINES -DHAVE_PIPE_LOADER_XLIB"
+    fi
+
     if test "x$enable_gallium_drm_loader" = xyes; then
         GALLIUM_PIPE_LOADER_DEFINES="$GALLIUM_PIPE_LOADER_DEFINES -DHAVE_PIPE_LOADER_DRM"
         PKG_CHECK_MODULES([GALLIUM_PIPE_LOADER_XCB], [xcb xcb-dri2],
                           pipe_loader_have_xcb=yes, pipe_loader_have_xcb=no)
         if test "x$pipe_loader_have_xcb" = xyes; then
     if test "x$enable_gallium_drm_loader" = xyes; then
         GALLIUM_PIPE_LOADER_DEFINES="$GALLIUM_PIPE_LOADER_DEFINES -DHAVE_PIPE_LOADER_DRM"
         PKG_CHECK_MODULES([GALLIUM_PIPE_LOADER_XCB], [xcb xcb-dri2],
                           pipe_loader_have_xcb=yes, pipe_loader_have_xcb=no)
         if test "x$pipe_loader_have_xcb" = xyes; then
-            GALLIUM_PIPE_LOADER_DEFINES="$GALLIUM_PIPE_LOADER_DEFINES -DHAVE_PIPE_LOADER_XCB"
-            GALLIUM_PIPE_LOADER_LIBS="$GALLIUM_PIPE_LOADER_LIBS $GALLIUM_PIPE_LOADER_XCB_LIBS $LIBDRM_LIBS"
+            GALLIUM_PIPE_LOADER_CLIENT_DEFINES="$GALLIUM_PIPE_LOADER_CLIENT_DEFINES -DHAVE_PIPE_LOADER_XCB"
+            GALLIUM_PIPE_LOADER_CLIENT_LIBS="$GALLIUM_PIPE_LOADER_CLIENT_LIBS $GALLIUM_PIPE_LOADER_XCB_LIBS $LIBDRM_LIBS"
         fi
     fi
 
         fi
     fi
 
+    GALLIUM_PIPE_LOADER_CLIENT_DEFINES="$GALLIUM_PIPE_LOADER_CLIENT_DEFINES $GALLIUM_PIPE_LOADER_DEFINES"
+    GALLIUM_PIPE_LOADER_CLIENT_LIBS="$GALLIUM_PIPE_LOADER_CLIENT_LIBS $GALLIUM_PIPE_LOADER_LIBS"
+
     AC_SUBST([GALLIUM_PIPE_LOADER_DEFINES])
     AC_SUBST([GALLIUM_PIPE_LOADER_LIBS])
     AC_SUBST([GALLIUM_PIPE_LOADER_DEFINES])
     AC_SUBST([GALLIUM_PIPE_LOADER_LIBS])
+    AC_SUBST([GALLIUM_PIPE_LOADER_CLIENT_DEFINES])
+    AC_SUBST([GALLIUM_PIPE_LOADER_CLIENT_LIBS])
 fi
 fi
+AM_CONDITIONAL(NEED_PIPE_LOADER_XLIB, test "x$enable_gallium_xlib_loader" = xyes)
 
 AM_CONDITIONAL(HAVE_I915_DRI, test x$HAVE_I915_DRI = xyes)
 AM_CONDITIONAL(HAVE_I965_DRI, test x$HAVE_I965_DRI = xyes)
 
 AM_CONDITIONAL(HAVE_I915_DRI, test x$HAVE_I915_DRI = xyes)
 AM_CONDITIONAL(HAVE_I965_DRI, test x$HAVE_I965_DRI = xyes)
@@ -1934,6 +1942,7 @@ AM_CONDITIONAL(HAVE_MESA_LLVM, test x$MESA_LLVM = x1)
 AC_SUBST([ELF_LIB])
 
 AM_CONDITIONAL(DRICOMMON_NEED_LIBDRM, test "x$DRICOMMON_NEED_LIBDRM" = xyes)
 AC_SUBST([ELF_LIB])
 
 AM_CONDITIONAL(DRICOMMON_NEED_LIBDRM, test "x$DRICOMMON_NEED_LIBDRM" = xyes)
+AM_CONDITIONAL(HAVE_LIBDRM, test "x$have_libdrm" = xyes)
 AM_CONDITIONAL(HAVE_X11_DRIVER, test "x$enable_xlib_glx" = xyes)
 AM_CONDITIONAL(HAVE_OSMESA, test "x$enable_osmesa" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_OSMESA, test "x$enable_gallium_osmesa" = xyes)
 AM_CONDITIONAL(HAVE_X11_DRIVER, test "x$enable_xlib_glx" = xyes)
 AM_CONDITIONAL(HAVE_OSMESA, test "x$enable_osmesa" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_OSMESA, test "x$enable_gallium_osmesa" = xyes)
@@ -1949,7 +1958,7 @@ AC_SUBST([XVMC_MAJOR], 1)
 AC_SUBST([XVMC_MINOR], 0)
 
 AC_SUBST([XA_MAJOR], 2)
 AC_SUBST([XVMC_MINOR], 0)
 
 AC_SUBST([XA_MAJOR], 2)
-AC_SUBST([XA_MINOR], 0)
+AC_SUBST([XA_MINOR], 2)
 AC_SUBST([XA_TINY], 0)
 AC_SUBST([XA_VERSION], "$XA_MAJOR.$XA_MINOR.$XA_TINY")
 
 AC_SUBST([XA_TINY], 0)
 AC_SUBST([XA_VERSION], "$XA_MAJOR.$XA_MINOR.$XA_TINY")
 
@@ -1973,7 +1982,6 @@ AC_CONFIG_FILES([Makefile
                src/egl/Makefile
                src/egl/drivers/Makefile
                src/egl/drivers/dri2/Makefile
                src/egl/Makefile
                src/egl/drivers/Makefile
                src/egl/drivers/dri2/Makefile
-               src/egl/drivers/glx/Makefile
                src/egl/main/Makefile
                src/egl/main/egl.pc
                src/egl/wayland/Makefile
                src/egl/main/Makefile
                src/egl/main/egl.pc
                src/egl/wayland/Makefile
@@ -1984,8 +1992,6 @@ AC_CONFIG_FILES([Makefile
                src/gallium/auxiliary/pipe-loader/Makefile
                src/gallium/drivers/Makefile
                src/gallium/drivers/freedreno/Makefile
                src/gallium/auxiliary/pipe-loader/Makefile
                src/gallium/drivers/Makefile
                src/gallium/drivers/freedreno/Makefile
-               src/gallium/drivers/freedreno/a2xx/Makefile
-               src/gallium/drivers/freedreno/a3xx/Makefile
                src/gallium/drivers/galahad/Makefile
                src/gallium/drivers/i915/Makefile
                src/gallium/drivers/identity/Makefile
                src/gallium/drivers/galahad/Makefile
                src/gallium/drivers/i915/Makefile
                src/gallium/drivers/identity/Makefile
@@ -2009,11 +2015,11 @@ AC_CONFIG_FILES([Makefile
                src/gallium/state_trackers/egl/Makefile
                src/gallium/state_trackers/gbm/Makefile
                src/gallium/state_trackers/glx/xlib/Makefile
                src/gallium/state_trackers/egl/Makefile
                src/gallium/state_trackers/gbm/Makefile
                src/gallium/state_trackers/glx/xlib/Makefile
+               src/gallium/state_trackers/omx/Makefile
                src/gallium/state_trackers/osmesa/Makefile
                src/gallium/state_trackers/vdpau/Makefile
                src/gallium/state_trackers/vega/Makefile
                src/gallium/state_trackers/xa/Makefile
                src/gallium/state_trackers/osmesa/Makefile
                src/gallium/state_trackers/vdpau/Makefile
                src/gallium/state_trackers/vega/Makefile
                src/gallium/state_trackers/xa/Makefile
-               src/gallium/state_trackers/xorg/Makefile
                src/gallium/state_trackers/xvmc/Makefile
                src/gallium/targets/Makefile
                src/gallium/targets/dri-freedreno/Makefile
                src/gallium/state_trackers/xvmc/Makefile
                src/gallium/targets/Makefile
                src/gallium/targets/dri-freedreno/Makefile
@@ -2025,21 +2031,21 @@ AC_CONFIG_FILES([Makefile
                src/gallium/targets/egl-static/Makefile
                src/gallium/targets/gbm/Makefile
                src/gallium/targets/opencl/Makefile
                src/gallium/targets/egl-static/Makefile
                src/gallium/targets/gbm/Makefile
                src/gallium/targets/opencl/Makefile
+               src/gallium/targets/xa/Makefile
+               src/gallium/targets/xa/xatracker.pc
                src/gallium/targets/osmesa/Makefile
                src/gallium/targets/osmesa/osmesa.pc
                src/gallium/targets/pipe-loader/Makefile
                src/gallium/targets/radeonsi/dri/Makefile
                src/gallium/targets/osmesa/Makefile
                src/gallium/targets/osmesa/osmesa.pc
                src/gallium/targets/pipe-loader/Makefile
                src/gallium/targets/radeonsi/dri/Makefile
+               src/gallium/targets/radeonsi/omx/Makefile
                src/gallium/targets/radeonsi/vdpau/Makefile
                src/gallium/targets/r300/dri/Makefile
                src/gallium/targets/r600/dri/Makefile
                src/gallium/targets/radeonsi/vdpau/Makefile
                src/gallium/targets/r300/dri/Makefile
                src/gallium/targets/r600/dri/Makefile
+               src/gallium/targets/r600/omx/Makefile
                src/gallium/targets/r600/vdpau/Makefile
                src/gallium/targets/r600/xvmc/Makefile
                src/gallium/targets/libgl-xlib/Makefile
                src/gallium/targets/vdpau-nouveau/Makefile
                src/gallium/targets/r600/vdpau/Makefile
                src/gallium/targets/r600/xvmc/Makefile
                src/gallium/targets/libgl-xlib/Makefile
                src/gallium/targets/vdpau-nouveau/Makefile
-               src/gallium/targets/xa-vmwgfx/Makefile
-               src/gallium/targets/xa-vmwgfx/xatracker.pc
-               src/gallium/targets/xorg-i915/Makefile
-               src/gallium/targets/xorg-nouveau/Makefile
                src/gallium/targets/xvmc-nouveau/Makefile
                src/gallium/tests/trivial/Makefile
                src/gallium/tests/unit/Makefile
                src/gallium/targets/xvmc-nouveau/Makefile
                src/gallium/tests/trivial/Makefile
                src/gallium/tests/unit/Makefile
@@ -2063,6 +2069,7 @@ AC_CONFIG_FILES([Makefile
                src/glx/Makefile
                src/glx/tests/Makefile
                src/gtest/Makefile
                src/glx/Makefile
                src/glx/tests/Makefile
                src/gtest/Makefile
+               src/loader/Makefile
                src/mapi/Makefile
                src/mapi/es1api/Makefile
                src/mapi/es1api/glesv1_cm.pc
                src/mapi/Makefile
                src/mapi/es1api/Makefile
                src/mapi/es1api/glesv1_cm.pc
@@ -2130,12 +2137,10 @@ xnono)
 esac
 
 if test "x$enable_dri" != xno; then
 esac
 
 if test "x$enable_dri" != xno; then
-        # cleanup the drivers var
-        dri_dirs=`echo $DRI_DIRS | $SED 's/^ *//;s/  */ /;s/ *$//'`
-        if test "x$DRI_DIRS" = x; then
+        if test -z "$DRI_DIRS"; then
             echo "        DRI drivers:     no"
         else
             echo "        DRI drivers:     no"
         else
-            echo "        DRI drivers:     $dri_dirs"
+            echo "        DRI drivers:     $DRI_DIRS"
         fi
         echo "        DRI driver dir:  $DRI_DRIVER_INSTALL_DIR"
 fi
         fi
         echo "        DRI driver dir:  $DRI_DRIVER_INSTALL_DIR"
 fi
@@ -2159,9 +2164,6 @@ if test "$enable_egl" = yes; then
     echo "        EGL platforms:   $egl_platforms"
 
     egl_drivers=""
     echo "        EGL platforms:   $egl_platforms"
 
     egl_drivers=""
-    if test "x$HAVE_EGL_DRIVER_GLX" != "x"; then
-        egl_drivers="$egl_drivers builtin:egl_glx"
-    fi
     if test "x$HAVE_EGL_DRIVER_DRI2" != "x"; then
         egl_drivers="$egl_drivers builtin:egl_dri2"
     fi
     if test "x$HAVE_EGL_DRIVER_DRI2" != "x"; then
         egl_drivers="$egl_drivers builtin:egl_dri2"
     fi