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llvmpipe: Delete unneeded LLVM stuff earlier.
[mesa.git] / configure.ac
diff --git a/configure.ac b/configure.ac
index f756b736112b79c28950a43626a5002eed51ac37..b4a16060fd0cd02d5525adf0246ecb221beda93b 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -27,17 +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=2.4.54
+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
 DRI3PROTO_REQUIRED=1.0
 PRESENTPROTO_REQUIRED=1.0
 LIBUDEV_REQUIRED=151
 GLPROTO_REQUIRED=1.4.14
 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
+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
@@ -47,7 +54,6 @@ AM_PROG_CC_C_O
 AM_PROG_AS
 AC_CHECK_PROGS([MAKE], [gmake make])
 AC_CHECK_PROGS([PYTHON2], [python2 python])
 AM_PROG_AS
 AC_CHECK_PROGS([MAKE], [gmake make])
 AC_CHECK_PROGS([PYTHON2], [python2 python])
-AX_PYTHON_MODULE([libxml2], [needed])
 AC_PROG_SED
 AC_PROG_MKDIR_P
 
 AC_PROG_SED
 AC_PROG_MKDIR_P
 
@@ -119,6 +125,11 @@ 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
@@ -230,6 +241,12 @@ 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$SSE41_SUPPORTED = x1])
+
 dnl
 dnl Hacks to enable 32 or 64 bit build
 dnl
 dnl
 dnl Hacks to enable 32 or 64 bit build
 dnl
@@ -267,13 +284,13 @@ dnl Can't have static and shared libraries, default to static if user
 dnl explicitly requested. If both disabled, set to static since shared
 dnl was explicitly requested.
 case "x$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 )
+xyesyes)
     AC_MSG_WARN([Cannot build static and shared libraries, disabling shared])
     enable_shared=no
     ;;
     AC_MSG_WARN([Cannot build static and shared libraries, disabling shared])
     enable_shared=no
     ;;
-xnono )
-    AC_MSG_WARN([Cannot disable both static and shared libraries, enabling static])
-    enable_static=yes
+xnono)
+    AC_MSG_WARN([Cannot disable both static and shared libraries, enabling shared])
+    enable_shared=yes
     ;;
 esac
 
     ;;
 esac
 
@@ -298,28 +315,50 @@ if test "x$enable_debug" = xyes; then
     fi
 fi
 
     fi
 fi
 
+dnl
+dnl Check if linker supports garbage collection
+dnl
+save_LDFLAGS=$LDFLAGS
+LDFLAGS="$LDFLAGS -Wl,--gc-sections"
+AC_MSG_CHECKING([whether ld supports --gc-sections])
+AC_LINK_IFELSE(
+    [AC_LANG_SOURCE([static char UnusedFunc() { return 5; } int main() { return 0;}])],
+    [AC_MSG_RESULT([yes])
+        GC_SECTIONS="-Wl,--gc-sections";],
+    [AC_MSG_RESULT([no])
+        GC_SECTIONS="";])
+LDFLAGS=$save_LDFLAGS
+
+AC_SUBST([GC_SECTIONS])
+
+dnl
+dnl compatibility symlinks
+dnl
+case "$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@:>@])],
@@ -365,37 +404,6 @@ 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
@@ -472,6 +480,12 @@ AC_CHECK_FUNC([dlopen], [DEFINES="$DEFINES -DHAVE_DLOPEN"],
        [DEFINES="$DEFINES -DHAVE_DLOPEN"; DLOPEN_LIBS="-ldl"])])
 AC_SUBST([DLOPEN_LIBS])
 
        [DEFINES="$DEFINES -DHAVE_DLOPEN"; DLOPEN_LIBS="-ldl"])])
 AC_SUBST([DLOPEN_LIBS])
 
+dnl Check if that library also has dladdr
+save_LDFLAGS="$LDFLAGS"
+LDFLAGS="$LDFLAGS $DLOPEN_LIBS"
+AC_CHECK_FUNCS([dladdr])
+LDFLAGS="$save_LDFLAGS"
+
 case "$host_os" in
 darwin*|mingw*)
     ;;
 case "$host_os" in
 darwin*|mingw*)
     ;;
@@ -500,13 +514,15 @@ 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
@@ -536,11 +552,20 @@ 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])
+
+case "$host_os" in
+linux*)
+    dri3_default=yes
+    ;;
+*)
+    dri3_default=no
+    ;;
+esac
 AC_ARG_ENABLE([dri3],
     [AS_HELP_STRING([--enable-dri3],
 AC_ARG_ENABLE([dri3],
     [AS_HELP_STRING([--enable-dri3],
-        [enable DRI3 @<:@default=enabled@:>@])],
+        [enable DRI3 @<:@default=auto@:>@])],
     [enable_dri3="$enableval"],
     [enable_dri3="$enableval"],
-    [enable_dri3=yes])
+    [enable_dri3="$dri3_default"])
 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@:>@])],
@@ -577,18 +602,21 @@ 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],
@@ -655,6 +683,7 @@ if test "x$enable_opengl" = xno -a \
         "x$enable_xa" = xno -a \
         "x$enable_xvmc" = xno -a \
         "x$enable_vdpau" = xno -a \
         "x$enable_xa" = xno -a \
         "x$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
@@ -713,11 +742,20 @@ AC_ARG_ENABLE([shared-glapi],
     [AS_HELP_STRING([--enable-shared-glapi],
         [Enable shared glapi for OpenGL @<:@default=yes@:>@])],
     [enable_shared_glapi="$enableval"],
     [AS_HELP_STRING([--enable-shared-glapi],
         [Enable shared glapi for OpenGL @<:@default=yes@:>@])],
     [enable_shared_glapi="$enableval"],
-    [enable_shared_glapi="$enable_dri"])
+    [enable_shared_glapi=yes])
+
+case "x$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
 
 
-# Shared GLAPI is only useful for DRI
-if test "x$enable_dri" = xno; then
-    AC_MSG_NOTICE([Shared GLAPI is only useful for DRI, disabling])
+# Building Xlib-GLX requires shared glapi to be disabled.
+if test "x$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
 
@@ -746,8 +784,8 @@ if test "x$enable_dri" = xyes; then
 fi
 
 if test "x$enable_gallium_osmesa" = xyes; then
 fi
 
 if test "x$enable_gallium_osmesa" = xyes; then
-    if test -z "$with_gallium_drivers"; then
-        AC_MSG_ERROR([Cannot enable gallium_osmesa without Gallium])
+    if ! echo "$with_gallium_drivers" | grep -q 'swrast'; then
+        AC_MSG_ERROR([gallium_osmesa requires the gallium swrast driver])
     fi
     if test "x$enable_osmesa" = xyes; then
         AC_MSG_ERROR([Cannot enable both classic and Gallium OSMesa implementations])
     fi
     if test "x$enable_osmesa" = xyes; then
         AC_MSG_ERROR([Cannot enable both classic and Gallium OSMesa implementations])
@@ -761,12 +799,21 @@ 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="$DEFINES -DHAVE_LIBDRM"
+fi
+
+case "$host_os" in
+linux*)
+    need_libudev=yes ;;
+*)
+    need_libudev=no ;;
+esac
 
 PKG_CHECK_MODULES([LIBUDEV], [libudev >= $LIBUDEV_REQUIRED],
                   have_libudev=yes, have_libudev=no)
 
 if test "x$enable_dri" = xyes; then
 
 PKG_CHECK_MODULES([LIBUDEV], [libudev >= $LIBUDEV_REQUIRED],
                   have_libudev=yes, have_libudev=no)
 
 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
     if test "$enable_static" = yes; then
         AC_MSG_ERROR([Cannot use static libraries for DRI drivers])
     fi
@@ -821,19 +868,16 @@ xyesno)
         PKG_CHECK_MODULES([DRI2PROTO], [dri2proto >= $DRI2PROTO_REQUIRED])
         GL_PC_REQ_PRIV="$GL_PC_REQ_PRIV libdrm >= $LIBDRM_REQUIRED"
         if test x"$enable_dri3" = xyes; then
         PKG_CHECK_MODULES([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
             PKG_CHECK_MODULES([DRI3PROTO], [dri3proto >= $DRI3PROTO_REQUIRED])
             PKG_CHECK_MODULES([PRESENTPROTO], [presentproto >= $PRESENTPROTO_REQUIRED])
         fi
     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
 
     if test x"$enable_dri3" = xyes; then
-        dri_modules="$dri_modules xcb-dri3 xcb-present xcb-sync xshmfence"
+        dri_modules="$dri_modules xcb-dri3 xcb-present xcb-sync xshmfence >= $XSHMFENCE_REQUIRED"
     fi
 
     # add xf86vidmode if available
     fi
 
     # add xf86vidmode if available
@@ -847,17 +891,16 @@ xyesno)
     X11_INCLUDES="$X11_INCLUDES $DRIGL_CFLAGS"
     GL_LIB_DEPS="$DRIGL_LIBS"
 
     X11_INCLUDES="$X11_INCLUDES $DRIGL_CFLAGS"
     GL_LIB_DEPS="$DRIGL_LIBS"
 
-    if test x"$enable_dri3$have_libudev" = xyesyes; then
-        X11_INCLUDES="$X11_INCLUDES $LIBUDEV_CFLAGS"
-        GL_LIB_DEPS="$GL_LIB_DEPS $LIBUDEV_LIBS"
-    fi
-
     # need DRM libs, $PTHREAD_LIBS, etc.
     GL_LIB_DEPS="$GL_LIB_DEPS $LIBDRM_LIBS -lm $PTHREAD_LIBS $DLOPEN_LIBS"
     GL_PC_LIB_PRIV="-lm $PTHREAD_LIBS $DLOPEN_LIBS"
     ;;
 esac
 
     # need DRM libs, $PTHREAD_LIBS, etc.
     GL_LIB_DEPS="$GL_LIB_DEPS $LIBDRM_LIBS -lm $PTHREAD_LIBS $DLOPEN_LIBS"
     GL_PC_LIB_PRIV="-lm $PTHREAD_LIBS $DLOPEN_LIBS"
     ;;
 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)
@@ -929,40 +972,24 @@ 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
+    [with_dri_drivers=auto])
 
 
-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$enable_opengl" != xyes; then
-        AC_MSG_ERROR([--with-dri-drivers requires OpenGL])
+if test "x$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 "$host_os" in
 if test "x$enable_dri" = xyes; then
     # Platform specific settings and drivers to build
     case "$host_os" in
@@ -973,22 +1000,15 @@ if test "x$enable_dri" = xyes; then
             DEFINES="$DEFINES -DHAVE_DRI3"
         fi
 
             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$with_dri_drivers" = "xyes"; then
+                with_dri_drivers="r200 radeon swrast"
             fi
             ;;
         esac
             fi
             ;;
         esac
@@ -996,35 +1016,29 @@ if test "x$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"
         DEFINES="$DEFINES -DHAVE_ALIAS"
         ;;
     gnu*)
         DEFINES="$DEFINES -DUSE_EXTERNAL_DXTN_LIB=1"
         DEFINES="$DEFINES -DHAVE_ALIAS"
-       ;;
+        ;;
     solaris*)
         DEFINES="$DEFINES -DUSE_EXTERNAL_DXTN_LIB=1"
         ;;
     cygwin*)
         DEFINES="$DEFINES -DUSE_EXTERNAL_DXTN_LIB=1"
     solaris*)
         DEFINES="$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" | $SED 's/  */ /g'`
-
     # Check for expat
     # Check for expat
-    PKG_CHECK_EXISTS([EXPAT], [have_expat=yes], [have_expat=no])
+    PKG_CHECK_EXISTS([expat], [have_expat=yes], [have_expat=no])
     if test "x$have_expat" = "xyes"; then
        PKG_CHECK_MODULES([EXPAT], [expat], [],
                          AC_MSG_ERROR([Expat required for DRI.]))
     if test "x$have_expat" = "xyes"; then
        PKG_CHECK_MODULES([EXPAT], [expat], [],
                          AC_MSG_ERROR([Expat required for DRI.]))
@@ -1034,8 +1048,8 @@ if test "x$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 >= $LIBDRM_REQUIRED])
@@ -1048,67 +1062,56 @@ if test "x$enable_dri" = xyes; then
 
     # put all the necessary libs together
     DRI_LIB_DEPS="$DRI_LIB_DEPS $SELINUX_LIBS $LIBDRM_LIBS $EXPAT_LIBS -lm $PTHREAD_LIBS $DLOPEN_LIBS"
 
     # put all the necessary libs together
     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])
 
 
-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
@@ -1167,8 +1170,8 @@ if test "x$enable_gbm" = xauto; then
     esac
 fi
 if test "x$enable_gbm" = xyes; then
     esac
 fi
 if test "x$enable_gbm" = xyes; then
-    if test x"$have_libudev" != xyes; then
-        AC_MSG_ERROR([gbm needs udev])
+    if test "x$need_libudev$have_libudev" = xyesno; then
+        AC_MSG_ERROR([gbm requires udev >= $LIBUDEV_REQUIRED])
     fi
 
     if test "x$enable_dri" = xyes; then
     fi
 
     if test "x$enable_dri" = xyes; then
@@ -1176,10 +1179,21 @@ if test "x$enable_gbm" = xyes; then
         if test "x$enable_shared_glapi" = xno; then
             AC_MSG_ERROR([gbm_dri requires --enable-shared-glapi])
         fi
         if test "x$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
 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"
+if test "x$need_libudev" = xyes; then
+    GBM_PC_REQ_PRIV="libudev >= $LIBUDEV_REQUIRED"
+else
+    GBM_PC_REQ_PRIV=""
+fi
 GBM_PC_LIB_PRIV="$DLOPEN_LIBS"
 AC_SUBST([GBM_PC_REQ_PRIV])
 AC_SUBST([GBM_PC_LIB_PRIV])
 GBM_PC_LIB_PRIV="$DLOPEN_LIBS"
 AC_SUBST([GBM_PC_REQ_PRIV])
 AC_SUBST([GBM_PC_LIB_PRIV])
@@ -1195,11 +1209,6 @@ if test "x$enable_egl" = xyes; then
     AC_CHECK_FUNC(mincore, [DEFINES="$DEFINES -DHAVE_MINCORE"])
 
     if test "$enable_static" != yes; then
     AC_CHECK_FUNC(mincore, [DEFINES="$DEFINES -DHAVE_MINCORE"])
 
     if test "$enable_static" != yes; then
-        # build egl_glx when libGL is built
-        if test "$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$enable_dri" = xyes; then
            HAVE_EGL_DRIVER_DRI2=1
        fi
@@ -1213,7 +1222,7 @@ dnl
 dnl EGL Gallium configuration
 dnl
 if test "x$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$enable_egl" = xno; then
@@ -1240,7 +1249,7 @@ if test "x$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
@@ -1261,7 +1270,16 @@ dnl
 dnl XA configuration
 dnl
 if test "x$enable_xa" = xyes; then
 dnl XA configuration
 dnl
 if test "x$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)
 
@@ -1274,7 +1292,7 @@ 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$enable_gallium_egl" = xno; then
@@ -1292,7 +1310,7 @@ AM_CONDITIONAL(HAVE_OPENVG, test "x$enable_openvg" = xyes)
 dnl
 dnl Gallium G3DVL configuration
 dnl
 dnl
 dnl Gallium G3DVL configuration
 dnl
-if test -n "$with_gallium_drivers"; then
+if test -n "$with_gallium_drivers" && ! echo "$with_gallium_drivers" | grep -q 'swrast'; then
     if test "x$enable_xvmc" = xauto; then
        PKG_CHECK_EXISTS([xvmc], [enable_xvmc=yes], [enable_xvmc=no])
     fi
     if test "x$enable_xvmc" = xauto; then
        PKG_CHECK_EXISTS([xvmc], [enable_xvmc=yes], [enable_xvmc=no])
     fi
@@ -1300,20 +1318,31 @@ if test -n "$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$enable_omx" = xyes)
+
 dnl
 dnl OpenCL configuration
 dnl
 dnl
 dnl OpenCL configuration
 dnl
@@ -1322,9 +1351,9 @@ AC_ARG_WITH([libclc-path],
    [AS_HELP_STRING([--with-libclc-path],
          [DEPRECATED: See http://dri.freedesktop.org/wiki/GalliumCompute#How_to_Install])],
    [LIBCLC_PATH="$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])
@@ -1335,12 +1364,12 @@ 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
 
@@ -1422,7 +1451,7 @@ 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`
@@ -1431,16 +1460,14 @@ 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)
@@ -1451,9 +1478,9 @@ for plat in $egl_platforms; do
                ;;
        esac
 
                ;;
        esac
 
-        case "$plat$have_libudev" in
-                waylandno|drmno)
-                    AC_MSG_ERROR([cannot build $plat platfrom without udev]) ;;
+        case "$plat$need_libudev$have_libudev" in
+                waylandyesno|drmyesno)
+                    AC_MSG_ERROR([cannot build $plat platform without udev >= $LIBUDEV_REQUIRED]) ;;
         esac
 done
 
         esac
 done
 
@@ -1466,17 +1493,17 @@ else
     EGL_NATIVE_PLATFORM="_EGL_INVALID_PLATFORM"
 fi
 
     EGL_NATIVE_PLATFORM="_EGL_INVALID_PLATFORM"
 fi
 
-if echo "$egl_platforms" | grep 'x11' >/dev/null 2>&1; then
+if echo "$egl_platforms" | grep -q 'x11'; then
+    GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS sw/xlib"
     NEED_WINSYS_XLIB=yes
 fi
     NEED_WINSYS_XLIB=yes
 fi
-AM_CONDITIONAL(HAVE_EGL_PLATFORM_X11, echo "$egl_platforms" | grep 'x11' >/dev/null 2>&1)
-AM_CONDITIONAL(HAVE_EGL_PLATFORM_WAYLAND, echo "$egl_platforms" | grep 'wayland' >/dev/null 2>&1)
-AM_CONDITIONAL(HAVE_EGL_PLATFORM_DRM, echo "$egl_platforms" | grep 'drm' >/dev/null 2>&1)
-AM_CONDITIONAL(HAVE_EGL_PLATFORM_FBDEV, echo "$egl_platforms" | grep 'fbdev' >/dev/null 2>&1)
-AM_CONDITIONAL(HAVE_EGL_PLATFORM_NULL, echo "$egl_platforms" | grep 'null' >/dev/null 2>&1)
+AM_CONDITIONAL(HAVE_EGL_PLATFORM_X11, echo "$egl_platforms" | grep -q 'x11')
+AM_CONDITIONAL(HAVE_EGL_PLATFORM_WAYLAND, echo "$egl_platforms" | grep -q 'wayland')
+AM_CONDITIONAL(HAVE_EGL_PLATFORM_DRM, echo "$egl_platforms" | grep -q 'drm')
+AM_CONDITIONAL(HAVE_EGL_PLATFORM_FBDEV, echo "$egl_platforms" | grep -q 'fbdev')
+AM_CONDITIONAL(HAVE_EGL_PLATFORM_NULL, echo "$egl_platforms" | grep -q 'null')
 
 AM_CONDITIONAL(HAVE_EGL_DRIVER_DRI2, test "x$HAVE_EGL_DRIVER_DRI2" != "x")
 
 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])
@@ -1519,23 +1546,17 @@ 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.
@@ -1549,11 +1570,19 @@ 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
@@ -1562,10 +1591,10 @@ 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$LLVM_CONFIG" != xno; then
@@ -1583,12 +1612,24 @@ if test "x$enable_gallium_llvm" = xyes; then
         AC_COMPUTE_INT([LLVM_VERSION_MINOR], [LLVM_VERSION_MINOR],
             [#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${LLVM_VERSION_MAJOR}" != x; then
+        dnl In LLVM 3.4.1 patch level was defined in config.h and not
+        dnl llvm-config.h
+        AC_COMPUTE_INT([LLVM_VERSION_PATCH], [LLVM_VERSION_PATCH],
+            [#include "${LLVM_INCLUDEDIR}/llvm/Config/config.h"],
+            LLVM_VERSION_PATCH=0) dnl Default if LLVM_VERSION_PATCH not found
+
+        if test -n "${LLVM_VERSION_MAJOR}"; then
             LLVM_VERSION_INT="${LLVM_VERSION_MAJOR}0${LLVM_VERSION_MINOR}"
         else
             LLVM_VERSION_INT=`echo $LLVM_VERSION | sed -e 's/\([[0-9]]\)\.\([[0-9]]\)/\10\2/g'`
         fi
 
             LLVM_VERSION_INT="${LLVM_VERSION_MAJOR}0${LLVM_VERSION_MINOR}"
         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="1"
+        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"
         if $LLVM_CONFIG --components | grep -qw 'mcjit'; then
             LLVM_COMPONENTS="${LLVM_COMPONENTS} mcjit"
         LLVM_COMPONENTS="engine bitwriter"
         if $LLVM_CONFIG --components | grep -qw 'mcjit'; then
             LLVM_COMPONENTS="${LLVM_COMPONENTS} mcjit"
@@ -1605,12 +1646,12 @@ if test "x$enable_gallium_llvm" = xyes; then
                 LLVM_COMPONENTS="${LLVM_COMPONENTS} option"
             fi
         fi
                 LLVM_COMPONENTS="${LLVM_COMPONENTS} option"
             fi
         fi
-        DEFINES="${DEFINES} -DHAVE_LLVM=0x0$LLVM_VERSION_INT"
+        DEFINES="${DEFINES} -DHAVE_LLVM=0x0$LLVM_VERSION_INT -DLLVM_VERSION_PATCH=$LLVM_VERSION_PATCH"
         MESA_LLVM=1
 
         dnl Check for Clang internal headers
         if test "x$enable_opencl" = xyes; then
         MESA_LLVM=1
 
         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/${LLVM_VERSION}
@@ -1655,6 +1696,18 @@ AC_ARG_WITH([vdpau-libdir],
     [VDPAU_LIB_INSTALL_DIR='${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],
@@ -1673,18 +1726,21 @@ 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_xa" = 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_xvmc" = 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_vdpau" = 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_omx" = xyes && test "x$6" != x; then
+         GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS $6"
+    fi
 }
 
 gallium_require_llvm() {
 }
 
 gallium_require_llvm() {
@@ -1697,8 +1753,9 @@ gallium_require_llvm() {
 
 gallium_require_drm_loader() {
     if test "x$enable_gallium_loader" = xyes; then
 
 gallium_require_drm_loader() {
     if test "x$enable_gallium_loader" = xyes; then
-        PKG_CHECK_MODULES([LIBUDEV], [libudev], [],
-                          AC_MSG_ERROR([Gallium drm loader requires libudev]))
+        if test "x$need_libudev$have_libudev" = xyesno; 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
@@ -1706,11 +1763,27 @@ gallium_require_drm_loader() {
     fi
 }
 
     fi
 }
 
+require_egl_drm() {
+    case "$with_egl_platforms" in
+        *drm*)
+            ;;
+         *)
+            AC_MSG_ERROR([--with-egl-platforms=drm is required to build the $1 driver.])
+            ;;
+    esac
+    if test "x$enable_gbm" != xyes; then
+            AC_MSG_ERROR([--enable-gbm is required to build the $1 driver.])
+    fi
+}
+
 radeon_llvm_check() {
 radeon_llvm_check() {
+    if test "x$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 && $LLVM_CONFIG --targets-built | grep -qvw 'R600' ; then
         AC_MSG_ERROR([LLVM R600 Target not enabled.  You can enable it when building the LLVM
@@ -1720,7 +1793,7 @@ radeon_llvm_check() {
     LLVM_COMPONENTS="${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
@@ -1731,18 +1804,20 @@ 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
 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"
             GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS i915 softpipe"
             if test "x$MESA_LLVM" = x1; then
                 GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS llvmpipe"
@@ -1762,6 +1837,7 @@ if test "x$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_check_st "radeon/drm" "r300/dri" "" "" ""
             gallium_require_llvm "Gallium R300"
             GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS r300"
             gallium_check_st "radeon/drm" "r300/dri" "" "" ""
@@ -1773,7 +1849,7 @@ if test "x$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
@@ -1782,7 +1858,7 @@ 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="${LLVM_COMPONENTS} bitreader asmparser"
             fi
-            gallium_check_st "radeon/drm" "r600/dri" "" "r600/xvmc" "r600/vdpau"
+            gallium_check_st "radeon/drm" "r600/dri" "" "r600/xvmc" "r600/vdpau" "r600/omx"
             DRICOMMON_NEED_LIBDRM=yes
             ;;
         xradeonsi)
             DRICOMMON_NEED_LIBDRM=yes
             ;;
         xradeonsi)
@@ -1790,8 +1866,9 @@ if test "x$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"
+            require_egl_drm "radeonsi"
+            gallium_check_st "radeon/drm" "radeonsi/dri" "" "" "radeonsi/vdpau" "radeonsi/omx"
             DRICOMMON_NEED_LIBDRM=yes
             ;;
         xnouveau)
             DRICOMMON_NEED_LIBDRM=yes
             ;;
         xnouveau)
@@ -1799,7 +1876,7 @@ 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" "" "xvmc-nouveau" "vdpau-nouveau"
+            gallium_check_st "nouveau/drm" "dri-nouveau" "" "xvmc-nouveau" "vdpau-nouveau" "omx-nouveau"
             DRICOMMON_NEED_LIBDRM=yes
             ;;
         xfreedreno)
             DRICOMMON_NEED_LIBDRM=yes
             ;;
         xfreedreno)
@@ -1840,7 +1917,7 @@ 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])
@@ -1857,18 +1934,17 @@ 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
 
@@ -1890,21 +1966,39 @@ 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$NEED_WINSYS_XLIB" = xyes; then
+        GALLIUM_PIPE_LOADER_DEFINES="$GALLIUM_PIPE_LOADER_DEFINES -DHAVE_PIPE_LOADER_XLIB"
+    fi
+
+    if test "x$enable_dri" = xyes; then
+        GALLIUM_PIPE_LOADER_DEFINES="$GALLIUM_PIPE_LOADER_DEFINES -DHAVE_PIPE_LOADER_DRI"
+    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
 
 AM_CONDITIONAL(HAVE_I915_DRI, test x$HAVE_I915_DRI = xyes)
 fi
 
 AM_CONDITIONAL(HAVE_I915_DRI, test x$HAVE_I915_DRI = xyes)
@@ -1931,6 +2025,7 @@ AM_CONDITIONAL(HAVE_MESA_LLVM, test x$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)
@@ -1945,9 +2040,14 @@ AC_SUBST([VDPAU_MINOR], 0)
 AC_SUBST([XVMC_MAJOR], 1)
 AC_SUBST([XVMC_MINOR], 0)
 
 AC_SUBST([XVMC_MAJOR], 1)
 AC_SUBST([XVMC_MINOR], 0)
 
-AC_SUBST([XA_MAJOR], 2)
-AC_SUBST([XA_MINOR], 0)
-AC_SUBST([XA_TINY], 0)
+XA_HEADER="$srcdir/src/gallium/state_trackers/xa/xa_tracker.h"
+XA_MAJOR=`grep "#define XA_TRACKER_VERSION_MAJOR" $XA_HEADER | $SED 's/^#define XA_TRACKER_VERSION_MAJOR //'`
+XA_MINOR=`grep "#define XA_TRACKER_VERSION_MINOR" $XA_HEADER | $SED 's/^#define XA_TRACKER_VERSION_MINOR //'`
+XA_TINY=`grep "#define XA_TRACKER_VERSION_PATCH" $XA_HEADER | $SED 's/^#define XA_TRACKER_VERSION_PATCH //'`
+
+AC_SUBST([XA_MAJOR], $XA_MAJOR)
+AC_SUBST([XA_MINOR], $XA_MINOR)
+AC_SUBST([XA_TINY], $XA_TINY)
 AC_SUBST([XA_VERSION], "$XA_MAJOR.$XA_MINOR.$XA_TINY")
 
 dnl Restore LDFLAGS and CPPFLAGS
 AC_SUBST([XA_VERSION], "$XA_MAJOR.$XA_MINOR.$XA_TINY")
 
 dnl Restore LDFLAGS and CPPFLAGS
@@ -1967,10 +2067,7 @@ CXXFLAGS="$CXXFLAGS $USER_CXXFLAGS"
 dnl Substitute the config
 AC_CONFIG_FILES([Makefile
                src/Makefile
 dnl Substitute the config
 AC_CONFIG_FILES([Makefile
                src/Makefile
-               src/egl/Makefile
-               src/egl/drivers/Makefile
                src/egl/drivers/dri2/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
@@ -1981,8 +2078,6 @@ 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
@@ -2006,6 +2101,7 @@ 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/osmesa/Makefile
                src/gallium/state_trackers/vdpau/Makefile
                src/gallium/state_trackers/vega/Makefile
@@ -2021,19 +2117,22 @@ 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/omx-nouveau/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/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/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
@@ -2057,6 +2156,7 @@ 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
@@ -2124,12 +2224,10 @@ 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:  $DRI_DRIVER_INSTALL_DIR"
 fi
@@ -2153,9 +2251,6 @@ if test "$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