r300/compiler: disable the rename_regs pass for loops
[mesa.git] / configure.ac
index 83aa31d3bdef6036f0565468859ef75e8759e49b..bd06f8ecf72eee4c9ce80d590fcbcdf3217d4cda 100644 (file)
@@ -4,7 +4,7 @@ AC_PREREQ([2.59])
 
 dnl Versioning - scrape the version from configs/default
 m4_define([mesa_version],
 
 dnl Versioning - scrape the version from configs/default
 m4_define([mesa_version],
-    [m4_esyscmd([${MAKE-make} -s -f bin/version.mk version | tr -d '\n'])])
+    [m4_esyscmd([${MAKE-make} -s -f bin/version.mk version | tr -d '\n' | tr -d '\r'])])
 m4_ifval(mesa_version,,
     [m4_fatal([Failed to get the Mesa version from `make -f bin/version.mk version`])])
 
 m4_ifval(mesa_version,,
     [m4_fatal([Failed to get the Mesa version from `make -f bin/version.mk version`])])
 
@@ -30,9 +30,14 @@ AC_PROG_CPP
 AC_PROG_CC
 AC_PROG_CXX
 AC_CHECK_PROGS([MAKE], [gmake make])
 AC_PROG_CC
 AC_PROG_CXX
 AC_CHECK_PROGS([MAKE], [gmake make])
+AC_CHECK_PROGS([PYTHON2], [python2 python])
 AC_PATH_PROG([MKDEP], [makedepend])
 AC_PATH_PROG([SED], [sed])
 
 AC_PATH_PROG([MKDEP], [makedepend])
 AC_PATH_PROG([SED], [sed])
 
+if test "x$MKDEP" = "x"; then
+    AC_MSG_ERROR([makedepend is required to build Mesa])
+fi
+
 dnl Our fallback install-sh is a symlink to minstall. Use the existing
 dnl configuration in that case.
 AC_PROG_INSTALL
 dnl Our fallback install-sh is a symlink to minstall. Use the existing
 dnl configuration in that case.
 AC_PROG_INSTALL
@@ -48,9 +53,23 @@ solaris*)
     ;;
 esac
 
     ;;
 esac
 
+dnl clang is mostly GCC-compatible, but its version is much lower,
+dnl so we have to check for it.
+AC_MSG_CHECKING([if compiling with clang])
+
+AC_COMPILE_IFELSE(
+[AC_LANG_PROGRAM([], [[
+#ifndef __clang__
+       not clang
+#endif
+]])],
+[CLANG=yes], [CLANG=no])
+
+AC_MSG_RESULT([$CLANG])
+
 dnl If we're using GCC, make sure that it is at least version 3.3.0.  Older
 dnl versions are explictly not supported.
 dnl If we're using GCC, make sure that it is at least version 3.3.0.  Older
 dnl versions are explictly not supported.
-if test "x$GCC" = xyes; then
+if test "x$GCC" = xyes -a "x$CLANG" = xno; then
     AC_MSG_CHECKING([whether gcc version is sufficient])
     major=0
     minor=0
     AC_MSG_CHECKING([whether gcc version is sufficient])
     major=0
     minor=0
@@ -123,7 +142,10 @@ esac
 
 dnl Add flags for gcc and g++
 if test "x$GCC" = xyes; then
 
 dnl Add flags for gcc and g++
 if test "x$GCC" = xyes; then
-    CFLAGS="$CFLAGS -Wall -Wmissing-prototypes -std=c99 -ffast-math"
+    CFLAGS="$CFLAGS -Wall -Wmissing-prototypes -std=c99"
+    if test "x$CLANG" = "xno"; then
+       CFLAGS="$CFLAGS -ffast-math"
+    fi
 
     # Enable -fvisibility=hidden if using a gcc that supports it
     save_CFLAGS="$CFLAGS"
 
     # Enable -fvisibility=hidden if using a gcc that supports it
     save_CFLAGS="$CFLAGS"
@@ -138,6 +160,13 @@ fi
 if test "x$GXX" = xyes; then
     CXXFLAGS="$CXXFLAGS -Wall"
 
 if test "x$GXX" = xyes; then
     CXXFLAGS="$CXXFLAGS -Wall"
 
+    # Enable -fvisibility=hidden if using a gcc that supports it
+    save_CXXFLAGS="$CXXFLAGS"
+    AC_MSG_CHECKING([whether $CXX supports -fvisibility=hidden])
+    CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
+    AC_LINK_IFELSE([AC_LANG_PROGRAM()], AC_MSG_RESULT([yes]),
+                  [CXXFLAGS="$save_CXXFLAGS" ; AC_MSG_RESULT([no])]);
+
     # Work around aliasing bugs - developers should comment this out
     CXXFLAGS="$CXXFLAGS -fno-strict-aliasing"
 fi
     # Work around aliasing bugs - developers should comment this out
     CXXFLAGS="$CXXFLAGS -fno-strict-aliasing"
 fi
@@ -258,6 +287,8 @@ fi
 dnl
 dnl library names
 dnl
 dnl
 dnl library names
 dnl
+LIB_PREFIX_GLOB='lib'
+LIB_VERSION_SEPARATOR='.'
 if test "$enable_static" = yes; then
     LIB_EXTENSION='a'
 else
 if test "$enable_static" = yes; then
     LIB_EXTENSION='a'
 else
@@ -265,6 +296,9 @@ else
     darwin* )
         LIB_EXTENSION='dylib' ;;
     cygwin* )
     darwin* )
         LIB_EXTENSION='dylib' ;;
     cygwin* )
+        dnl prefix can be 'cyg' or 'lib'
+        LIB_PREFIX_GLOB='???'
+        LIB_VERSION_SEPARATOR='-'
         LIB_EXTENSION='dll' ;;
     aix* )
         LIB_EXTENSION='a' ;;
         LIB_EXTENSION='dll' ;;
     aix* )
         LIB_EXTENSION='a' ;;
@@ -283,15 +317,16 @@ GLESv1_CM_LIB_NAME='lib$(GLESv1_CM_LIB).'${LIB_EXTENSION}
 GLESv2_LIB_NAME='lib$(GLESv2_LIB).'${LIB_EXTENSION}
 VG_LIB_NAME='lib$(VG_LIB).'${LIB_EXTENSION}
 
 GLESv2_LIB_NAME='lib$(GLESv2_LIB).'${LIB_EXTENSION}
 VG_LIB_NAME='lib$(VG_LIB).'${LIB_EXTENSION}
 
-GL_LIB_GLOB='lib$(GL_LIB).*'${LIB_EXTENSION}'*'
-GLU_LIB_GLOB='lib$(GLU_LIB).*'${LIB_EXTENSION}'*'
-GLUT_LIB_GLOB='lib$(GLUT_LIB).*'${LIB_EXTENSION}'*'
-GLW_LIB_GLOB='lib$(GLW_LIB).*'${LIB_EXTENSION}'*'
-OSMESA_LIB_GLOB='lib$(OSMESA_LIB).*'${LIB_EXTENSION}'*'
-EGL_LIB_GLOB='lib$(EGL_LIB).*'${LIB_EXTENSION}'*'
-GLESv1_CM_LIB_GLOB='lib$(GLESv1_CM_LIB).*'${LIB_EXTENSION}'*'
-GLESv2_LIB_GLOB='lib$(GLESv2_LIB).*'${LIB_EXTENSION}'*'
-VG_LIB_GLOB='lib$(VG_LIB).*'${LIB_EXTENSION}'*'
+GL_LIB_GLOB=${LIB_PREFIX_GLOB}'$(GL_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
+GLU_LIB_GLOB=${LIB_PREFIX_GLOB}'$(GLU_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
+GLUT_LIB_GLOB=${LIB_PREFIX_GLOB}'$(GLUT_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
+GLW_LIB_GLOB=${LIB_PREFIX_GLOB}'$(GLW_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
+OSMESA_LIB_GLOB=${LIB_PREFIX_GLOB}'$(OSMESA_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}'*'
 
 AC_SUBST([GL_LIB_NAME])
 AC_SUBST([GLU_LIB_NAME])
 
 AC_SUBST([GL_LIB_NAME])
 AC_SUBST([GLU_LIB_NAME])
@@ -410,6 +445,7 @@ dnl Check to see if dlopen is in default libraries (like Solaris, which
 dnl has it in libc), or if libdl is needed to get it.
 AC_CHECK_FUNC([dlopen], [],
     [AC_CHECK_LIB([dl], [dlopen], [DLOPEN_LIBS="-ldl"])])
 dnl has it in libc), or if libdl is needed to get it.
 AC_CHECK_FUNC([dlopen], [],
     [AC_CHECK_LIB([dl], [dlopen], [DLOPEN_LIBS="-ldl"])])
+AC_SUBST([DLOPEN_LIBS])
 
 dnl See if posix_memalign is available
 AC_CHECK_FUNC([posix_memalign], [DEFINES="$DEFINES -DHAVE_POSIX_MEMALIGN"])
 
 dnl See if posix_memalign is available
 AC_CHECK_FUNC([posix_memalign], [DEFINES="$DEFINES -DHAVE_POSIX_MEMALIGN"])
@@ -429,6 +465,71 @@ if test "x$enable_selinux" = "xyes"; then
     DEFINES="$DEFINES -DMESA_SELINUX"
 fi
 
     DEFINES="$DEFINES -DMESA_SELINUX"
 fi
 
+dnl Determine which APIs to support
+AC_ARG_ENABLE([opengl],
+    [AS_HELP_STRING([--disable-opengl],
+        [disable support for standard OpenGL API @<:@default=no@:>@])],
+    [enable_opengl="$enableval"],
+    [enable_opengl=yes])
+AC_ARG_ENABLE([gles1],
+    [AS_HELP_STRING([--enable-gles1],
+        [enable support for OpenGL ES 1.x API @<:@default=no@:>@])],
+    [enable_gles1="$enableval"],
+    [enable_gles1=no])
+AC_ARG_ENABLE([gles2],
+    [AS_HELP_STRING([--enable-gles2],
+        [enable support for OpenGL ES 2.x API @<:@default=no@:>@])],
+    [enable_gles2="$enableval"],
+    [enable_gles2=no])
+AC_ARG_ENABLE([gles-overlay],
+    [AS_HELP_STRING([--enable-gles-overlay],
+        [build separate OpenGL ES only libraries @<:@default=no@:>@])],
+    [enable_gles_overlay="$enableval"],
+    [enable_gles_overlay=no])
+
+AC_ARG_ENABLE([openvg],
+    [AS_HELP_STRING([--enable-openvg],
+        [enable support for OpenVG API @<:@default=no@:>@])],
+    [enable_openvg="$enableval"],
+    [enable_openvg=no])
+
+dnl smooth the transition; should be removed eventually
+if test "x$enable_openvg" = xno; then
+    case "x$with_state_trackers" in
+    x*vega*)
+        AC_MSG_WARN([vega state tracker is enabled without --enable-openvg])
+        enable_openvg=yes
+        ;;
+    esac
+fi
+
+if test "x$enable_opengl" = xno -a \
+        "x$enable_gles1" = xno -a \
+        "x$enable_gles2" = xno -a \
+        "x$enable_gles_overlay" = xno -a \
+        "x$enable_openvg" = xno; then
+    AC_MSG_ERROR([at least one API should be enabled])
+fi
+
+API_DEFINES=""
+GLES_OVERLAY=0
+if test "x$enable_opengl" = xno; then
+    API_DEFINES="$API_DEFINES -DFEATURE_GL=0"
+else
+    API_DEFINES="$API_DEFINES -DFEATURE_GL=1"
+fi
+if test "x$enable_gles1" = xyes; then
+    API_DEFINES="$API_DEFINES -DFEATURE_ES1=1"
+fi
+if test "x$enable_gles2" = xyes; then
+    API_DEFINES="$API_DEFINES -DFEATURE_ES2=1"
+fi
+if test "x$enable_gles_overlay" = xyes; then
+    GLES_OVERLAY=1
+fi
+AC_SUBST([API_DEFINES])
+AC_SUBST([GLES_OVERLAY])
+
 dnl
 dnl Driver configuration. Options are xlib, dri and osmesa right now.
 dnl More later: fbdev, ...
 dnl
 dnl Driver configuration. Options are xlib, dri and osmesa right now.
 dnl More later: fbdev, ...
@@ -448,6 +549,10 @@ linux*)
     ;;
 esac
 
     ;;
 esac
 
+if test "x$enable_opengl" = xno; then
+    default_driver="no"
+fi
+
 AC_ARG_WITH([driver],
     [AS_HELP_STRING([--with-driver=DRIVER],
         [driver for Mesa: xlib,dri,osmesa @<:@default=dri when available, or xlib@:>@])],
 AC_ARG_WITH([driver],
     [AS_HELP_STRING([--with-driver=DRIVER],
         [driver for Mesa: xlib,dri,osmesa @<:@default=dri when available, or xlib@:>@])],
@@ -456,27 +561,60 @@ AC_ARG_WITH([driver],
 dnl Check for valid option
 case "x$mesa_driver" in
 xxlib|xdri|xosmesa)
 dnl Check for valid option
 case "x$mesa_driver" in
 xxlib|xdri|xosmesa)
+    if test "x$enable_opengl" = xno; then
+        AC_MSG_ERROR([Driver '$mesa_driver' requires OpenGL enabled])
+    fi
+    ;;
+xno)
     ;;
 *)
     AC_MSG_ERROR([Driver '$mesa_driver' is not a valid option])
     ;;
 esac
 
     ;;
 *)
     AC_MSG_ERROR([Driver '$mesa_driver' is not a valid option])
     ;;
 esac
 
+PKG_CHECK_MODULES([TALLOC], [talloc])
+AC_SUBST([TALLOC_LIBS])
+AC_SUBST([TALLOC_CFLAGS])
+
 dnl
 dnl Driver specific build directories
 dnl
 
 dnl this variable will be prepended to SRC_DIRS and is not exported
 dnl
 dnl Driver specific build directories
 dnl
 
 dnl this variable will be prepended to SRC_DIRS and is not exported
-CORE_DIRS="mapi/glapi glsl mesa"
+CORE_DIRS=""
 
 
-SRC_DIRS="glew"
+SRC_DIRS=""
 GLU_DIRS="sgi"
 GALLIUM_DIRS="auxiliary drivers state_trackers"
 GALLIUM_TARGET_DIRS=""
 GALLIUM_WINSYS_DIRS="sw"
 GLU_DIRS="sgi"
 GALLIUM_DIRS="auxiliary drivers state_trackers"
 GALLIUM_TARGET_DIRS=""
 GALLIUM_WINSYS_DIRS="sw"
-GALLIUM_DRIVERS_DIRS="softpipe failover trace identity"
+GALLIUM_DRIVERS_DIRS="softpipe failover galahad trace rbug identity"
 GALLIUM_STATE_TRACKERS_DIRS=""
 
 GALLIUM_STATE_TRACKERS_DIRS=""
 
+# build glapi if OpenGL is enabled
+if test "x$enable_opengl" = xyes; then
+    CORE_DIRS="$CORE_DIRS mapi/glapi"
+fi
+
+# build es1api and es2api if OpenGL ES is enabled
+case "x$enable_gles1$enable_gles2$enable_gles_overlay" in
+x*yes*)
+    CORE_DIRS="$CORE_DIRS mapi/es1api mapi/es2api"
+    ;;
+esac
+
+# build vgapi if OpenVG is enabled
+if test "x$enable_openvg" = xyes; then
+    CORE_DIRS="$CORE_DIRS mapi/vgapi"
+fi
+
+# build glsl and mesa if OpenGL or OpenGL ES is enabled
+case "x$enable_opengl$enable_gles1$enable_gles2$enable_gles_overlay" in
+x*yes*)
+    CORE_DIRS="$CORE_DIRS glsl mesa"
+    ;;
+esac
+
 case "$mesa_driver" in
 xlib)
     DRIVER_DIRS="x11"
 case "$mesa_driver" in
 xlib)
     DRIVER_DIRS="x11"
@@ -486,11 +624,14 @@ xlib)
 dri)
     SRC_DIRS="$SRC_DIRS glx"
     DRIVER_DIRS="dri"
 dri)
     SRC_DIRS="$SRC_DIRS glx"
     DRIVER_DIRS="dri"
-    GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS sw/xlib sw/dri sw/drm"
+    GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS sw/xlib sw/dri"
     ;;
 osmesa)
     DRIVER_DIRS="osmesa"
     ;;
     ;;
 osmesa)
     DRIVER_DIRS="osmesa"
     ;;
+no)
+    DRIVER_DRIS=""
+    ;;
 esac
 AC_SUBST([SRC_DIRS])
 AC_SUBST([GLU_DIRS])
 esac
 AC_SUBST([SRC_DIRS])
 AC_SUBST([GLU_DIRS])
@@ -502,45 +643,6 @@ AC_SUBST([GALLIUM_DRIVERS_DIRS])
 AC_SUBST([GALLIUM_STATE_TRACKERS_DIRS])
 AC_SUBST([MESA_LLVM])
 
 AC_SUBST([GALLIUM_STATE_TRACKERS_DIRS])
 AC_SUBST([MESA_LLVM])
 
-dnl
-dnl User supplied program configuration
-dnl
-if test -d "$srcdir/progs/demos"; then
-    default_demos=yes
-else
-    default_demos=no
-fi
-AC_ARG_WITH([demos],
-    [AS_HELP_STRING([--with-demos@<:@=DIRS...@:>@],
-        [optional comma delimited demo directories to build
-        @<:@default=auto if source available@:>@])],
-    [with_demos="$withval"],
-    [with_demos="$default_demos"])
-if test "x$with_demos" = x; then
-    with_demos=no
-fi
-
-dnl If $with_demos is yes, directories will be added as libs available
-PROGRAM_DIRS=""
-case "$with_demos" in
-no) ;;
-yes)
-    # If the driver isn't osmesa, we have libGL and can build xdemos
-    if test "$mesa_driver" != osmesa; then
-        PROGRAM_DIRS="xdemos"
-    fi
-    ;;
-*)
-    # verify the requested demos directories exist
-    demos=`IFS=,; echo $with_demos`
-    for demo in $demos; do
-        test -d "$srcdir/progs/$demo" || \
-            AC_MSG_ERROR([Program directory '$demo' doesn't exist])
-    done
-    PROGRAM_DIRS="$demos"
-    ;;
-esac
-
 dnl
 dnl Find out if X is available. The variable have_x is set if libX11 is
 dnl found to mimic AC_PATH_XTRA.
 dnl
 dnl Find out if X is available. The variable have_x is set if libX11 is
 dnl found to mimic AC_PATH_XTRA.
@@ -612,8 +714,8 @@ xlib)
         GL_PC_LIB_PRIV="$GL_LIB_DEPS"
         GL_PC_CFLAGS="$X11_INCLUDES"
     fi
         GL_PC_LIB_PRIV="$GL_LIB_DEPS"
         GL_PC_CFLAGS="$X11_INCLUDES"
     fi
-    GL_LIB_DEPS="$GL_LIB_DEPS $SELINUX_LIBS -lm -lpthread"
-    GL_PC_LIB_PRIV="$GL_PC_LIB_PRIV $SELINUX_LIBS -lm -lpthread"
+    GL_LIB_DEPS="$GL_LIB_DEPS $SELINUX_LIBS -lm -lpthread $TALLOC_LIBS"
+    GL_PC_LIB_PRIV="$GL_PC_LIB_PRIV $SELINUX_LIBS -lm -lpthread $TALLOC_LIBS"
 
     # if static, move the external libraries to the programs
     # and empty the libraries for libGL
 
     # if static, move the external libraries to the programs
     # and empty the libraries for libGL
@@ -622,7 +724,7 @@ xlib)
         GL_LIB_DEPS=""
     fi
     ;;
         GL_LIB_DEPS=""
     fi
     ;;
-dri)
+dri|no) # these checks are still desired when there is no mesa_driver
     # DRI must be shared, I think
     if test "$enable_static" = yes; then
         AC_MSG_ERROR([Can't use static libraries for DRI drivers])
     # DRI must be shared, I think
     if test "$enable_static" = yes; then
         AC_MSG_ERROR([Can't use static libraries for DRI drivers])
@@ -637,8 +739,15 @@ dri)
 
     # find the DRI deps for libGL
     if test "$x11_pkgconfig" = yes; then
 
     # find the DRI deps for libGL
     if test "$x11_pkgconfig" = yes; then
+        dri_modules="x11 xext xdamage xfixes"
+
+        # add xf86vidmode if available
+        PKG_CHECK_MODULES([XF86VIDMODE], [xxf86vm], HAVE_XF86VIDMODE=yes, HAVE_XF86VIDMODE=no)
+        if test "$HAVE_XF86VIDMODE" = yes ; then
+            dri_modules="$dri_modules xxf86vm"
+        fi
+
         # add xcb modules if necessary
         # add xcb modules if necessary
-        dri_modules="x11 xext xxf86vm xdamage xfixes"
         if test "$enable_xcb" = yes; then
             dri_modules="$dri_modules x11-xcb xcb-glx"
         fi
         if test "$enable_xcb" = yes; then
             dri_modules="$dri_modules x11-xcb xcb-glx"
         fi
@@ -681,12 +790,19 @@ AC_SUBST([GL_PC_REQ_PRIV])
 AC_SUBST([GL_PC_LIB_PRIV])
 AC_SUBST([GL_PC_CFLAGS])
 AC_SUBST([DRI_PC_REQ_PRIV])
 AC_SUBST([GL_PC_LIB_PRIV])
 AC_SUBST([GL_PC_CFLAGS])
 AC_SUBST([DRI_PC_REQ_PRIV])
-AC_SUBST([GLESv1_LIB_DEPS])
+AC_SUBST([GLESv1_CM_LIB_DEPS])
 AC_SUBST([GLESv1_CM_PC_LIB_PRIV])
 AC_SUBST([GLESv2_LIB_DEPS])
 AC_SUBST([GLESv2_PC_LIB_PRIV])
 
 
 AC_SUBST([GLESv1_CM_PC_LIB_PRIV])
 AC_SUBST([GLESv2_LIB_DEPS])
 AC_SUBST([GLESv2_PC_LIB_PRIV])
 
 
+AC_SUBST([HAVE_XF86VIDMODE])
+
+PKG_CHECK_MODULES([LIBDRM_RADEON],
+                 [libdrm_radeon libdrm >= $LIBDRM_RADEON_REQUIRED],
+                 HAVE_LIBDRM_RADEON=yes,
+                 HAVE_LIBDRM_RADEON=no)
+
 dnl
 dnl More X11 setup
 dnl
 dnl
 dnl More X11 setup
 dnl
@@ -719,7 +835,7 @@ AC_SUBST([DRI_DRIVER_SEARCH_DIR])
 dnl Direct rendering or just indirect rendering
 AC_ARG_ENABLE([driglx-direct],
     [AS_HELP_STRING([--disable-driglx-direct],
 dnl Direct rendering or just indirect rendering
 AC_ARG_ENABLE([driglx-direct],
     [AS_HELP_STRING([--disable-driglx-direct],
-        [enable direct rendering in GLX for DRI @<:@default=enabled@:>@])],
+        [enable direct rendering in GLX and EGL for DRI @<:@default=enabled@:>@])],
     [driglx_direct="$enableval"],
     [driglx_direct="yes"])
 dnl Which drivers to build - default is chosen by platform
     [driglx_direct="$enableval"],
     [driglx_direct="yes"])
 dnl Which drivers to build - default is chosen by platform
@@ -733,54 +849,6 @@ if test "x$with_dri_drivers" = x; then
     with_dri_drivers=no
 fi
 
     with_dri_drivers=no
 fi
 
-dnl Determine which APIs to support
-AC_ARG_ENABLE([opengl],
-    [AS_HELP_STRING([--disable-opengl],
-        [disable support for standard OpenGL API @<:@default=no@:>@])],
-    [enable_opengl="$enableval"],
-    [enable_opengl=yes])
-AC_ARG_ENABLE([gles1],
-    [AS_HELP_STRING([--enable-gles1],
-        [enable support for OpenGL ES 1.x API @<:@default=no@:>@])],
-    [enable_gles1="$enableval"],
-    [enable_gles1=no])
-AC_ARG_ENABLE([gles2],
-    [AS_HELP_STRING([--enable-gles2],
-        [enable support for OpenGL ES 2.x API @<:@default=no@:>@])],
-    [enable_gles2="$enableval"],
-    [enable_gles2=no])
-AC_ARG_ENABLE([gles-overlay],
-    [AS_HELP_STRING([--enable-gles-overlay],
-        [build separate OpenGL ES only libraries @<:@default=no@:>@])],
-    [enable_gles_overlay="$enableval"],
-    [enable_gles_overlay=no])
-
-API_DEFINES=""
-APIS=""
-if test "x$enable_opengl" = xno; then
-    API_DEFINES="$API_DEFINES -DFEATURE_GL=0"
-else
-    API_DEFINES="$API_DEFINES -DFEATURE_GL=1"
-    APIS="$APIS gl"
-fi
-if test "x$enable_gles1" = xyes; then
-    API_DEFINES="$API_DEFINES -DFEATURE_ES1=1"
-    APIS="$APIS es1"
-fi
-if test "x$enable_gles2" = xyes; then
-    API_DEFINES="$API_DEFINES -DFEATURE_ES2=1"
-    APIS="$APIS es2"
-fi
-if test "x$enable_gles_overlay" = xyes -o \
-    "x$enable_gles1" = xyes -o "x$enable_gles2" = xyes; then
-    CORE_DIRS="mapi/es1api mapi/es2api $CORE_DIRS"
-    if test "x$enable_gles_overlay" = xyes; then
-        CORE_DIRS="$CORE_DIRS mesa/es"
-    fi
-fi
-AC_SUBST([API_DEFINES])
-AC_SUBST([APIS])
-
 dnl If $with_dri_drivers is yes, directories will be added through
 dnl platform checks
 DRI_DIRS=""
 dnl If $with_dri_drivers is yes, directories will be added through
 dnl platform checks
 DRI_DIRS=""
@@ -801,7 +869,7 @@ yes)
 esac
 
 dnl Set DRI_DIRS, DEFINES and LIB_DEPS
 esac
 
 dnl Set DRI_DIRS, DEFINES and LIB_DEPS
-if test "$mesa_driver" = dri; then
+if test "$mesa_driver" = dri -o "$mesa_driver" = no; then
     # Use TLS in GLX?
     if test "x$GLX_USE_TLS" = xyes; then
         DEFINES="$DEFINES -DGLX_USE_TLS -DPTHREADS"
     # Use TLS in GLX?
     if test "x$GLX_USE_TLS" = xyes; then
         DEFINES="$DEFINES -DGLX_USE_TLS -DPTHREADS"
@@ -879,22 +947,24 @@ if test "$mesa_driver" = dri; then
     DRI_DIRS=`echo "$DRI_DIRS" | $SED 's/  */ /g'`
 
     # Check for expat
     DRI_DIRS=`echo "$DRI_DIRS" | $SED 's/  */ /g'`
 
     # Check for expat
-    EXPAT_INCLUDES=""
-    EXPAT_LIB=-lexpat
-    AC_ARG_WITH([expat],
-        [AS_HELP_STRING([--with-expat=DIR],
-            [expat install directory])],[
-        EXPAT_INCLUDES="-I$withval/include"
-        CPPFLAGS="$CPPFLAGS $EXPAT_INCLUDES"
-        LDFLAGS="$LDFLAGS -L$withval/$LIB_DIR"
-        EXPAT_LIB="-L$withval/$LIB_DIR -lexpat"
-        ])
-    AC_CHECK_HEADER([expat.h],[],[AC_MSG_ERROR([Expat required for DRI.])])
-    AC_CHECK_LIB([expat],[XML_ParserCreate],[],
-        [AC_MSG_ERROR([Expat required for DRI.])])
+    if test "$mesa_driver" = dri; then
+        EXPAT_INCLUDES=""
+        EXPAT_LIB=-lexpat
+        AC_ARG_WITH([expat],
+            [AS_HELP_STRING([--with-expat=DIR],
+                [expat install directory])],[
+            EXPAT_INCLUDES="-I$withval/include"
+            CPPFLAGS="$CPPFLAGS $EXPAT_INCLUDES"
+            LDFLAGS="$LDFLAGS -L$withval/$LIB_DIR"
+            EXPAT_LIB="-L$withval/$LIB_DIR -lexpat"
+            ])
+        AC_CHECK_HEADER([expat.h],[],[AC_MSG_ERROR([Expat required for DRI.])])
+        AC_CHECK_LIB([expat],[XML_ParserCreate],[],
+            [AC_MSG_ERROR([Expat required for DRI.])])
+    fi
 
     # put all the necessary libs together
 
     # put all the necessary libs together
-    DRI_LIB_DEPS="$SELINUX_LIBS $LIBDRM_LIBS $EXPAT_LIB -lm -lpthread $DLOPEN_LIBS"
+    DRI_LIB_DEPS="$SELINUX_LIBS $LIBDRM_LIBS $EXPAT_LIB -lm -lpthread $DLOPEN_LIBS $TALLOC_LIBS"
 fi
 AC_SUBST([DRI_DIRS])
 AC_SUBST([EXPAT_INCLUDES])
 fi
 AC_SUBST([DRI_DIRS])
 AC_SUBST([EXPAT_INCLUDES])
@@ -902,18 +972,13 @@ AC_SUBST([DRI_LIB_DEPS])
 
 case $DRI_DIRS in
 *i915*|*i965*)
 
 case $DRI_DIRS in
 *i915*|*i965*)
-    PKG_CHECK_MODULES([INTEL], [libdrm_intel >= 2.4.19])
+    PKG_CHECK_MODULES([INTEL], [libdrm_intel >= 2.4.23])
     ;;
 esac
 
 case $DRI_DIRS in
 *radeon*|*r200*|*r300*|*r600*)
     ;;
 esac
 
 case $DRI_DIRS in
 *radeon*|*r200*|*r300*|*r600*)
-    PKG_CHECK_MODULES([LIBDRM_RADEON],
-                     [libdrm_radeon libdrm >= $LIBDRM_RADEON_REQUIRED],
-                     HAVE_LIBDRM_RADEON=yes,
-                     HAVE_LIBDRM_RADEON=no)
-
-    if test "$HAVE_LIBDRM_RADEON" = yes; then
+    if test "x$HAVE_LIBDRM_RADEON" = xyes; then
        RADEON_CFLAGS="-DHAVE_LIBDRM_RADEON=1 $LIBDRM_RADEON_CFLAGS"
        RADEON_LDFLAGS=$LIBDRM_RADEON_LIBS
     fi
        RADEON_CFLAGS="-DHAVE_LIBDRM_RADEON=1 $LIBDRM_RADEON_CFLAGS"
        RADEON_LDFLAGS=$LIBDRM_RADEON_LIBS
     fi
@@ -933,10 +998,13 @@ else
 fi
 AC_ARG_ENABLE([gl-osmesa],
     [AS_HELP_STRING([--enable-gl-osmesa],
 fi
 AC_ARG_ENABLE([gl-osmesa],
     [AS_HELP_STRING([--enable-gl-osmesa],
-        [enable OSMesa on libGL @<:@default=enabled for xlib driver@:>@])],
+        [enable OSMesa with libGL @<:@default=enabled for xlib driver@:>@])],
     [gl_osmesa="$enableval"],
     [gl_osmesa="$default_gl_osmesa"])
 if test "x$gl_osmesa" = xyes; then
     [gl_osmesa="$enableval"],
     [gl_osmesa="$default_gl_osmesa"])
 if test "x$gl_osmesa" = xyes; then
+    if test "x$enable_opengl" = xno; then
+        AC_MSG_ERROR([OpenGL is not available for OSMesa driver])
+    fi
     if test "$mesa_driver" = osmesa; then
         AC_MSG_ERROR([libGL is not available for OSMesa driver])
     else
     if test "$mesa_driver" = osmesa; then
         AC_MSG_ERROR([libGL is not available for OSMesa driver])
     else
@@ -968,30 +1036,18 @@ x16|x32)
 esac
 AC_SUBST([OSMESA_LIB])
 
 esac
 AC_SUBST([OSMESA_LIB])
 
-case "$mesa_driver" in
-osmesa)
+case "$DRIVER_DIRS" in
+*osmesa*)
     # only link libraries with osmesa if shared
     if test "$enable_static" = no; then
     # only link libraries with osmesa if shared
     if test "$enable_static" = no; then
-        OSMESA_LIB_DEPS="-lm -lpthread $SELINUX_LIBS $DLOPEN_LIBS"
+        OSMESA_LIB_DEPS="-lm -lpthread $SELINUX_LIBS $DLOPEN_LIBS $TALLOC_LIBS"
     else
         OSMESA_LIB_DEPS=""
     fi
     OSMESA_MESA_DEPS=""
     else
         OSMESA_LIB_DEPS=""
     fi
     OSMESA_MESA_DEPS=""
-    OSMESA_PC_LIB_PRIV="-lm -lpthread $SELINUX_LIBS $DLOPEN_LIBS"
-    ;;
-*)
-    # Link OSMesa to libGL otherwise
-    OSMESA_LIB_DEPS=""
-    # only link libraries with osmesa if shared
-    if test "$enable_static" = no; then
-        OSMESA_MESA_DEPS='-l$(GL_LIB)'
-    else
-        OSMESA_MESA_DEPS=""
-    fi
-    OSMESA_PC_REQ="gl"
+    OSMESA_PC_LIB_PRIV="-lm -lpthread $SELINUX_LIBS $DLOPEN_LIBS $TALLOC_LIBS"
     ;;
 esac
     ;;
 esac
-OSMESA_PC_LIB_PRIV="$OSMESA_PC_LIB_PRIV"
 AC_SUBST([OSMESA_LIB_DEPS])
 AC_SUBST([OSMESA_MESA_DEPS])
 AC_SUBST([OSMESA_PC_REQ])
 AC_SUBST([OSMESA_LIB_DEPS])
 AC_SUBST([OSMESA_MESA_DEPS])
 AC_SUBST([OSMESA_PC_REQ])
@@ -1005,26 +1061,41 @@ AC_ARG_ENABLE([egl],
         [disable EGL library @<:@default=enabled@:>@])],
     [enable_egl="$enableval"],
     [enable_egl=yes])
         [disable EGL library @<:@default=enabled@:>@])],
     [enable_egl="$enableval"],
     [enable_egl=yes])
+if test "x$enable_egl" = xno; then
+    if test "x$mesa_driver" = xno; then
+        AC_MSG_ERROR([cannot disable EGL when there is no mesa driver])
+    fi
+    if test "x$enable_openvg" = xyes; then
+        AC_MSG_ERROR([cannot enable OpenVG without EGL])
+    fi
+fi
 if test "x$enable_egl" = xyes; then
     SRC_DIRS="$SRC_DIRS egl"
     EGL_LIB_DEPS="$DLOPEN_LIBS -lpthread"
     EGL_DRIVERS_DIRS=""
     if test "$enable_static" != yes; then
         # build egl_glx when libGL is built
 if test "x$enable_egl" = xyes; then
     SRC_DIRS="$SRC_DIRS egl"
     EGL_LIB_DEPS="$DLOPEN_LIBS -lpthread"
     EGL_DRIVERS_DIRS=""
     if test "$enable_static" != yes; then
         # build egl_glx when libGL is built
-        if test "$mesa_driver" != osmesa; then
+        if test "$mesa_driver" = xlib -o "$mesa_driver" = dri; then
             EGL_DRIVERS_DIRS="glx"
         fi
 
             EGL_DRIVERS_DIRS="glx"
         fi
 
-        # build egl_dri2 when xcb-dri2 is available
-        PKG_CHECK_MODULES([EGL_DRI2], [x11-xcb xcb-dri2 xcb-xfixes libdrm],
-                         [have_xcb_dri2=yes],[have_xcb_dri2=no])
-        if test "$have_xcb_dri2" = yes; then
-            EGL_DRIVERS_DIRS="$EGL_DRIVERS_DIRS dri2"
-        fi
-    fi
+        if test "$mesa_driver" = dri; then
+            # build egl_dri2 when xcb-dri2 is available
+            PKG_CHECK_MODULES([XCB_DRI2], [x11-xcb xcb-dri2 xcb-xfixes],
+                         [have_xcb_dri2=yes],[have_xcb_dri2=no])
+            PKG_CHECK_MODULES([LIBUDEV], [libudev > 150],
+                         [have_libudev=yes],[have_libudev=no])
+            
+            if test "$have_xcb_dri2" = yes; then
+                EGL_DRIVER_DRI2=dri2
+                DEFINES="$DEFINES -DHAVE_XCB_DRI2"
+                if test "$have_libudev" = yes; then
+                    DEFINES="$DEFINES -DHAVE_LIBUDEV"
+                fi
+            fi
+       fi
 
 
-    if test "$with_demos" = yes; then
-        PROGRAM_DIRS="$PROGRAM_DIRS egl/eglut egl/opengl"
+        EGL_DRIVERS_DIRS="$EGL_DRIVERS_DIRS $EGL_DRIVER_DRI2"
     fi
 fi
 AC_SUBST([EGL_LIB_DEPS])
     fi
 fi
 AC_SUBST([EGL_LIB_DEPS])
@@ -1038,17 +1109,17 @@ AC_ARG_ENABLE([glu],
         [enable OpenGL Utility library @<:@default=enabled@:>@])],
     [enable_glu="$enableval"],
     [enable_glu=yes])
         [enable OpenGL Utility library @<:@default=enabled@:>@])],
     [enable_glu="$enableval"],
     [enable_glu=yes])
+
+if test "x$enable_glu" = xyes -a "x$mesa_driver" = xno; then
+    AC_MSG_NOTICE([Disabling GLU since there is no OpenGL driver])
+    enable_glu=no
+fi
+
 if test "x$enable_glu" = xyes; then
     SRC_DIRS="$SRC_DIRS glu"
 
     case "$mesa_driver" in
     osmesa)
 if test "x$enable_glu" = xyes; then
     SRC_DIRS="$SRC_DIRS glu"
 
     case "$mesa_driver" in
     osmesa)
-        # If GLU is available and we have libOSMesa (not 16 or 32),
-        # we can build the osdemos
-        if test "$with_demos" = yes && test "$osmesa_bits" = 8; then
-            PROGRAM_DIRS="$PROGRAM_DIRS osdemos"
-        fi
-
         # Link libGLU to libOSMesa instead of libGL
         GLU_LIB_DEPS=""
         GLU_PC_REQ="osmesa"
         # Link libGLU to libOSMesa instead of libGL
         GLU_LIB_DEPS=""
         GLU_PC_REQ="osmesa"
@@ -1093,9 +1164,13 @@ AC_ARG_ENABLE([glw],
     [enable_glw="$enableval"],
     [enable_glw=yes])
 dnl Don't build GLw on osmesa
     [enable_glw="$enableval"],
     [enable_glw=yes])
 dnl Don't build GLw on osmesa
-if test "x$enable_glw" = xyes && test "$mesa_driver" = osmesa; then
-    AC_MSG_WARN([Disabling GLw since the driver is OSMesa])
-    enable_glw=no
+if test "x$enable_glw" = xyes; then
+    case "$mesa_driver" in
+    osmesa|no)
+        AC_MSG_NOTICE([Disabling GLw since there is no OpenGL driver])
+        enable_glw=no
+        ;;
+    esac
 fi
 AC_ARG_ENABLE([motif],
     [AS_HELP_STRING([--enable-motif],
 fi
 AC_ARG_ENABLE([motif],
     [AS_HELP_STRING([--enable-motif],
@@ -1169,23 +1244,23 @@ AC_ARG_ENABLE([glut],
     [enable_glut="$enableval"],
     [enable_glut="$default_glut"])
 
     [enable_glut="$enableval"],
     [enable_glut="$default_glut"])
 
+dnl Don't build glut on osmesa
+if test "x$enable_glut" = xyes; then
+    case "$mesa_driver" in
+    osmesa|no)
+        AC_MSG_NOTICE([Disabling glut since there is no OpenGL driver])
+        enable_glut=no
+        ;;
+    esac
+fi
 dnl Can't build glut if GLU not available
 if test "x$enable_glu$enable_glut" = xnoyes; then
     AC_MSG_WARN([Disabling glut since GLU is disabled])
     enable_glut=no
 fi
 dnl Can't build glut if GLU not available
 if test "x$enable_glu$enable_glut" = xnoyes; then
     AC_MSG_WARN([Disabling glut since GLU is disabled])
     enable_glut=no
 fi
-dnl Don't build glut on osmesa
-if test "x$enable_glut" = xyes && test "$mesa_driver" = osmesa; then
-    AC_MSG_WARN([Disabling glut since the driver is OSMesa])
-    enable_glut=no
-fi
 
 if test "x$enable_glut" = xyes; then
     SRC_DIRS="$SRC_DIRS glut/glx"
 
 if test "x$enable_glut" = xyes; then
     SRC_DIRS="$SRC_DIRS glut/glx"
-    GLUT_CFLAGS=""
-    if test "x$GCC" = xyes; then
-        GLUT_CFLAGS="-fexceptions"
-    fi
     if test "$x11_pkgconfig" = yes; then
         PKG_CHECK_MODULES([GLUT],[x11 xmu xi])
         GLUT_PC_REQ_PRIV="x11 xmu xi"
     if test "$x11_pkgconfig" = yes; then
         PKG_CHECK_MODULES([GLUT],[x11 xmu xi])
         GLUT_PC_REQ_PRIV="x11 xmu xi"
@@ -1196,14 +1271,12 @@ if test "x$enable_glut" = xyes; then
         GLUT_PC_LIB_PRIV="$GLUT_LIB_DEPS"
         GLUT_PC_CFLAGS="$X11_INCLUDES"
     fi
         GLUT_PC_LIB_PRIV="$GLUT_LIB_DEPS"
         GLUT_PC_CFLAGS="$X11_INCLUDES"
     fi
+    if test "x$GCC" = xyes; then
+        GLUT_CFLAGS="$GLUT_CFLAGS -fexceptions"
+    fi
     GLUT_LIB_DEPS="$GLUT_LIB_DEPS -lm"
     GLUT_PC_LIB_PRIV="$GLUT_PC_LIB_PRIV -lm"
 
     GLUT_LIB_DEPS="$GLUT_LIB_DEPS -lm"
     GLUT_PC_LIB_PRIV="$GLUT_PC_LIB_PRIV -lm"
 
-    # If glut is available, we can build most programs
-    if test "$with_demos" = yes; then
-        PROGRAM_DIRS="$PROGRAM_DIRS demos redbook samples glsl"
-    fi
-
     # If static, empty GLUT_LIB_DEPS and add libs for programs to link
     if test "$enable_static" = no; then
         GLUT_MESA_DEPS='-l$(GLU_LIB) -l$(GL_LIB)'
     # If static, empty GLUT_LIB_DEPS and add libs for programs to link
     if test "$enable_static" = no; then
         GLUT_MESA_DEPS='-l$(GLU_LIB) -l$(GL_LIB)'
@@ -1249,6 +1322,9 @@ AC_ARG_ENABLE([gallium],
         [build gallium @<:@default=enabled@:>@])],
     [enable_gallium="$enableval"],
     [enable_gallium=yes])
         [build gallium @<:@default=enabled@:>@])],
     [enable_gallium="$enableval"],
     [enable_gallium=yes])
+if test "x$enable_gallium" = xno -a "x$enable_openvg" = xyes; then
+    AC_MSG_ERROR([cannot enable OpenVG without Gallium])
+fi
 if test "x$enable_gallium" = xyes; then
     SRC_DIRS="$SRC_DIRS gallium gallium/winsys gallium/targets"
     AC_CHECK_HEADER([udis86.h], [HAS_UDIS86="yes"],
 if test "x$enable_gallium" = xyes; then
     SRC_DIRS="$SRC_DIRS gallium gallium/winsys gallium/targets"
     AC_CHECK_HEADER([udis86.h], [HAS_UDIS86="yes"],
@@ -1261,15 +1337,30 @@ AC_SUBST([LLVM_LIBS])
 AC_SUBST([LLVM_LDFLAGS])
 AC_SUBST([LLVM_VERSION])
 
 AC_SUBST([LLVM_LDFLAGS])
 AC_SUBST([LLVM_VERSION])
 
-VG_LIB_DEPS=""
-EGL_CLIENT_APIS='$(GL_LIB)'
-if test "x$enable_gles_overlay" = xyes; then
-    EGL_CLIENT_APIS="$EGL_CLIENT_APIS "'$(GLESv1_CM_LIB) $(GLESv2_LIB)'
-fi
-
 dnl
 dnl Gallium state trackers configuration
 dnl
 dnl
 dnl Gallium state trackers configuration
 dnl
+
+AC_ARG_ENABLE([gallium-egl],
+    [AS_HELP_STRING([--enable-gallium-egl],
+        [enable gallium EGL state tracker @<:@default=auto@:>@])],
+    [enable_gallium_egl="$enableval"],
+    [enable_gallium_egl=auto])
+if test "x$enable_gallium_egl" = xauto; then
+    case "$mesa_driver" in
+    dri|no)
+        enable_gallium_egl=$enable_egl
+        ;;
+    *)
+        enable_gallium_egl=$enable_openvg
+        ;;
+    esac
+fi
+case "x$enable_egl$enable_gallium_egl" in
+xnoyes)
+    AC_MSG_ERROR([cannot build Gallium EGL state tracker without EGL])
+esac
+
 AC_ARG_WITH([state-trackers],
     [AS_HELP_STRING([--with-state-trackers@<:@=DIRS...@:>@],
         [comma delimited state_trackers list, e.g.
 AC_ARG_WITH([state-trackers],
     [AS_HELP_STRING([--with-state-trackers@<:@=DIRS...@:>@],
         [comma delimited state_trackers list, e.g.
@@ -1290,16 +1381,24 @@ yes)
     dri)
         GALLIUM_STATE_TRACKERS_DIRS="dri"
         HAVE_ST_DRI="yes"
     dri)
         GALLIUM_STATE_TRACKERS_DIRS="dri"
         HAVE_ST_DRI="yes"
-        if test "x$enable_egl" = xyes; then
-            GALLIUM_STATE_TRACKERS_DIRS="$GALLIUM_STATE_TRACKERS_DIRS egl"
-            HAVE_ST_EGL="yes"
-        fi
         # Have only tested st/xorg on 1.6.0 servers
         PKG_CHECK_MODULES(XORG, [xorg-server >= 1.6.0 libdrm >= $LIBDRM_XORG_REQUIRED libkms >= $LIBKMS_XORG_REQUIRED],
             HAVE_ST_XORG="yes"; GALLIUM_STATE_TRACKERS_DIRS="$GALLIUM_STATE_TRACKERS_DIRS xorg",
             HAVE_ST_XORG="no")
         ;;
     esac
         # Have only tested st/xorg on 1.6.0 servers
         PKG_CHECK_MODULES(XORG, [xorg-server >= 1.6.0 libdrm >= $LIBDRM_XORG_REQUIRED libkms >= $LIBKMS_XORG_REQUIRED],
             HAVE_ST_XORG="yes"; GALLIUM_STATE_TRACKERS_DIRS="$GALLIUM_STATE_TRACKERS_DIRS xorg",
             HAVE_ST_XORG="no")
         ;;
     esac
+
+    if test "x$enable_egl" = xyes; then
+        if test "$enable_openvg" = yes; then
+            GALLIUM_STATE_TRACKERS_DIRS="$GALLIUM_STATE_TRACKERS_DIRS vega"
+            st_egl="yes"
+        fi
+
+        if test "$enable_gallium_egl" = yes; then
+            GALLIUM_STATE_TRACKERS_DIRS="$GALLIUM_STATE_TRACKERS_DIRS egl"
+            HAVE_ST_EGL="yes"
+        fi
+    fi
     ;;
 *)
     # verify the requested state tracker exist
     ;;
 *)
     # verify the requested state tracker exist
@@ -1320,26 +1419,15 @@ yes)
             HAVE_ST_EGL="yes"
             ;;
         xorg)
             HAVE_ST_EGL="yes"
             ;;
         xorg)
+            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])
             HAVE_ST_XORG="yes"
             ;;
             PKG_CHECK_MODULES([LIBDRM_XORG], [libdrm >= $LIBDRM_XORG_REQUIRED])
             PKG_CHECK_MODULES([LIBKMS_XORG], [libkms >= $LIBKMS_XORG_REQUIRED])
             HAVE_ST_XORG="yes"
             ;;
-        es)
-            AC_MSG_WARN([state tracker 'es' has been replaced by --enable-gles-overlay])
-
-            if test "x$enable_gles_overlay" != xyes; then
-                if test "x$enable_gles1" != xyes -a "x$enable_gles2" != xyes; then
-                    CORE_DIRS="mapi/es1api mapi/es2api $CORE_DIRS"
-                fi
-                CORE_DIRS="$CORE_DIRS mesa/es"
-                EGL_CLIENT_APIS="$EGL_CLIENT_APIS "'$(GLESv1_CM_LIB) $(GLESv2_LIB)'
-            fi
-           tracker=""
-            ;;
         vega)
         vega)
-            CORE_DIRS="$CORE_DIRS mapi/vgapi"
-            VG_LIB_DEPS="$VG_LIB_DEPS -lpthread"
-            EGL_CLIENT_APIS="$EGL_CLIENT_APIS "'$(VG_LIB)'
+            if test "x$enable_openvg" != xyes; then
+                AC_MSG_ERROR([cannot build vega state tracker without --enable-openvg])
+            fi
             ;;
         esac
 
             ;;
         esac
 
@@ -1357,11 +1445,28 @@ yes)
     ;;
 esac
 
     ;;
 esac
 
+
+EGL_CLIENT_APIS=""
+VG_LIB_DEPS=""
+
+case "x$enable_opengl$enable_gles1$enable_gles2" in
+x*yes*)
+    EGL_CLIENT_APIS="$EGL_CLIENT_APIS "'$(GL_LIB)'
+    ;;
+esac
+if test "x$enable_gles_overlay" = xyes; then
+    EGL_CLIENT_APIS="$EGL_CLIENT_APIS "'$(GLESv1_CM_LIB) $(GLESv2_LIB)'
+fi
+if test "x$enable_openvg" = xyes; then
+    EGL_CLIENT_APIS="$EGL_CLIENT_APIS "'$(VG_LIB)'
+    VG_LIB_DEPS="$VG_LIB_DEPS -lpthread"
+fi
+
 AC_SUBST([VG_LIB_DEPS])
 AC_SUBST([EGL_CLIENT_APIS])
 
 if test "x$HAVE_ST_EGL" = xyes; then
 AC_SUBST([VG_LIB_DEPS])
 AC_SUBST([EGL_CLIENT_APIS])
 
 if test "x$HAVE_ST_EGL" = xyes; then
-       GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS egl-apis"
+       GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS egl"
 fi
 
 if test "x$HAVE_ST_XORG" = xyes; then
 fi
 
 if test "x$HAVE_ST_XORG" = xyes; then
@@ -1370,18 +1475,25 @@ if test "x$HAVE_ST_XORG" = xyes; then
         HAVE_XEXTPROTO_71="no")
 fi
 
         HAVE_XEXTPROTO_71="no")
 fi
 
+AC_ARG_WITH([egl-platforms],
+    [AS_HELP_STRING([--with-egl-platforms@<:@=DIRS...@:>@],
+        [comma delimited native platforms libEGL supports, e.g.
+        "x11,drm" @<:@default=auto@:>@])],
+    [with_egl_platforms="$withval"],
+    [with_egl_platforms=yes])
 AC_ARG_WITH([egl-displays],
     [AS_HELP_STRING([--with-egl-displays@<:@=DIRS...@:>@],
 AC_ARG_WITH([egl-displays],
     [AS_HELP_STRING([--with-egl-displays@<:@=DIRS...@:>@],
-        [comma delimited native displays libEGL supports, e.g.
-        "x11,kms" @<:@default=auto@:>@])],
-    [with_egl_displays="$withval"],
-    [with_egl_displays=yes])
+        [DEPRECATED.  Use --with-egl-platforms instead])],
+    [with_egl_platforms="$withval"])
 
 
-EGL_DISPLAYS=""
-case "$with_egl_displays" in
+EGL_PLATFORMS=""
+case "$with_egl_platforms" in
 yes)
     if test "x$enable_egl" = xyes && test "x$mesa_driver" != xosmesa; then
 yes)
     if test "x$enable_egl" = xyes && test "x$mesa_driver" != xosmesa; then
-        EGL_DISPLAYS="x11"
+        EGL_PLATFORMS="x11"
+        if test "$mesa_driver" = dri; then
+            EGL_PLATFORMS="$EGL_PLATFORMS drm"
+        fi
     fi
     ;;
 *)
     fi
     ;;
 *)
@@ -1389,15 +1501,18 @@ yes)
         AC_MSG_ERROR([cannot build egl state tracker without EGL library])
     fi
     # verify the requested driver directories exist
         AC_MSG_ERROR([cannot build egl state tracker without EGL library])
     fi
     # verify the requested driver directories exist
-    egl_displays=`IFS=', '; echo $with_egl_displays`
-    for dpy in $egl_displays; do
-        test -d "$srcdir/src/gallium/state_trackers/egl/$dpy" || \
-            AC_MSG_ERROR([EGL display '$dpy' does't exist])
+    egl_platforms=`IFS=', '; echo $with_egl_platforms`
+    for plat in $egl_platforms; do
+        test -d "$srcdir/src/gallium/state_trackers/egl/$plat" || \
+            AC_MSG_ERROR([EGL platform '$plat' does't exist])
+        if test "$plat" = "fbdev"; then
+                GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS sw/fbdev"
+        fi
     done
     done
-    EGL_DISPLAYS="$egl_displays"
+    EGL_PLATFORMS="$egl_platforms"
     ;;
 esac
     ;;
 esac
-AC_SUBST([EGL_DISPLAYS])
+AC_SUBST([EGL_PLATFORMS])
 
 AC_ARG_WITH([egl-driver-dir],
     [AS_HELP_STRING([--with-egl-driver-dir=DIR],
 
 AC_ARG_WITH([egl-driver-dir],
     [AS_HELP_STRING([--with-egl-driver-dir=DIR],
@@ -1439,7 +1554,7 @@ AC_ARG_ENABLE([gallium-llvm],
 if test "x$enable_gallium_llvm" = xyes; then
     if test "x$LLVM_CONFIG" != xno; then
        LLVM_VERSION=`$LLVM_CONFIG --version`
 if test "x$enable_gallium_llvm" = xyes; then
     if test "x$LLVM_CONFIG" != xno; then
        LLVM_VERSION=`$LLVM_CONFIG --version`
-       LLVM_CFLAGS=`$LLVM_CONFIG --cflags`
+       LLVM_CFLAGS=`$LLVM_CONFIG --cppflags`
        LLVM_LIBS="`$LLVM_CONFIG --libs jit interpreter nativecodegen bitwriter` -lstdc++"
 
        if test "x$HAS_UDIS86" != xno; then
        LLVM_LIBS="`$LLVM_CONFIG --libs jit interpreter nativecodegen bitwriter` -lstdc++"
 
        if test "x$HAS_UDIS86" != xno; then
@@ -1461,18 +1576,15 @@ dnl
 dnl Gallium helper functions
 dnl
 gallium_check_st() {
 dnl Gallium helper functions
 dnl
 gallium_check_st() {
-    if test "x$HAVE_ST_DRI" = xyes || test "x$HAVE_ST_EGL" = xyes || test "x$HAVE_ST_XORG" = xyes; then
+    if test "x$HAVE_ST_DRI" = xyes || test "x$HAVE_ST_XORG" = xyes; then
          GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS $1"
     fi
     if test "x$HAVE_ST_DRI" = xyes && test "x$2" != x; then
          GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS $2"
     fi
          GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS $1"
     fi
     if test "x$HAVE_ST_DRI" = xyes && test "x$2" != x; then
          GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS $2"
     fi
-    if test "x$HAVE_ST_EGL" = xyes && test "x$3" != x; then
+    if test "x$HAVE_ST_XORG" = xyes && test "x$3" != x; then
          GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS $3"
     fi
          GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS $3"
     fi
-    if test "x$HAVE_ST_XORG" = xyes && test "x$4" != x; then
-         GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS $4"
-    fi
 }
 
 
 }
 
 
@@ -1486,41 +1598,83 @@ AC_ARG_ENABLE([gallium-svga],
     [enable_gallium_svga=auto])
 if test "x$enable_gallium_svga" = xyes; then
     GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS svga"
     [enable_gallium_svga=auto])
 if test "x$enable_gallium_svga" = xyes; then
     GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS svga"
-    gallium_check_st "svga/drm" "dri-vmwgfx" "egl-vmwgfx" "xorg-vmwgfx"
+    gallium_check_st "svga/drm" "dri-vmwgfx" "xorg-vmwgfx"
 elif test "x$enable_gallium_svga" = xauto; then
     GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS svga"
 fi
 
 dnl
 elif test "x$enable_gallium_svga" = xauto; then
     GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS svga"
 fi
 
 dnl
-dnl Gallium Intel configuration
+dnl Gallium i915 configuration
 dnl
 dnl
-AC_ARG_ENABLE([gallium-intel],
-    [AS_HELP_STRING([--enable-gallium-intel],
-        [build gallium intel @<:@default=disabled@:>@])],
-    [enable_gallium_intel="$enableval"],
-    [enable_gallium_intel=auto])
-if test "x$enable_gallium_intel" = xyes; then
+AC_ARG_ENABLE([gallium-i915],
+    [AS_HELP_STRING([--enable-gallium-i915],
+        [build gallium i915 @<:@default=disabled@:>@])],
+    [enable_gallium_i915="$enableval"],
+    [enable_gallium_i915=auto])
+if test "x$enable_gallium_i915" = xyes; then
     GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS i915/sw"
     GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS i915/sw"
-    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS i915 i965"
-    gallium_check_st "i915/drm i965/drm" "dri-i915 dri-i965" "egl-i915 egl-i965" "xorg-i915 xorg-i965"
-elif test "x$enable_gallium_intel" = xauto; then
+    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS i915"
+    gallium_check_st "i915/drm" "dri-i915" "xorg-i915"
+elif test "x$enable_gallium_i915" = xauto; then
     GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS i915/sw"
     GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS i915/sw"
-    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS i915 i965"
+    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS i915"
+fi
+
+dnl
+dnl Gallium i965 configuration
+dnl
+AC_ARG_ENABLE([gallium-i965],
+    [AS_HELP_STRING([--enable-gallium-i965],
+        [build gallium i965 @<:@default=disabled@:>@])],
+    [enable_gallium_i965="$enableval"],
+    [enable_gallium_i965=auto])
+if test "x$enable_gallium_i965" = xyes; then
+    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS i965"
+    gallium_check_st "i965/drm" "dri-i965" "xorg-i965"
+elif test "x$enable_gallium_i965" = xauto; then
+    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS i965"
 fi
 
 dnl
 fi
 
 dnl
-dnl Gallium Radeon configuration
+dnl Gallium Radeon r300g configuration
 dnl
 AC_ARG_ENABLE([gallium-radeon],
     [AS_HELP_STRING([--enable-gallium-radeon],
         [build gallium radeon @<:@default=disabled@:>@])],
     [enable_gallium_radeon="$enableval"],
     [enable_gallium_radeon=auto])
 dnl
 AC_ARG_ENABLE([gallium-radeon],
     [AS_HELP_STRING([--enable-gallium-radeon],
         [build gallium radeon @<:@default=disabled@:>@])],
     [enable_gallium_radeon="$enableval"],
     [enable_gallium_radeon=auto])
+if test "x$enable_gallium_radeon" = xauto; then
+    if test "x$HAVE_LIBDRM_RADEON" = xyes; then
+       GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS r300"
+       gallium_check_st "radeon/drm" "dri-r300"
+    else
+       AC_MSG_WARN([libdrm_radeon is missing, not building gallium-radeon (r300)])
+    fi
+fi
 if test "x$enable_gallium_radeon" = xyes; then
 if test "x$enable_gallium_radeon" = xyes; then
-    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS r300"
-    gallium_check_st "radeon/drm" "dri-radeong" "egl-radeon" "xorg-radeon"
-elif test "x$enable_gallium_radeon" = xauto; then
-    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS r300"
+    if test "x$HAVE_LIBDRM_RADEON" = xyes; then
+       GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS r300"
+       gallium_check_st "radeon/drm" "dri-r300" "xorg-radeon"
+    else
+       AC_MSG_ERROR([libdrm_radeon is missing, cannot build gallium-radeon (r300)])
+    fi
+fi
+
+dnl
+dnl Gallium Radeon r600g configuration
+dnl
+AC_ARG_ENABLE([gallium-r600],
+    [AS_HELP_STRING([--enable-gallium-r600],
+        [build gallium radeon @<:@default=disabled@:>@])],
+    [enable_gallium_r600="$enableval"],
+    [enable_gallium_r600=auto])
+if test "x$enable_gallium_r600" = xyes; then
+    if test "x$HAVE_LIBDRM_RADEON" = xyes; then
+       GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS r600"
+       gallium_check_st "r600/drm" "dri-r600"
+    else
+       AC_MSG_ERROR([libdrm_radeon is missing, cannot build gallium-r600])
+    fi
 fi
 
 dnl
 fi
 
 dnl
@@ -1532,8 +1686,8 @@ AC_ARG_ENABLE([gallium-nouveau],
     [enable_gallium_nouveau="$enableval"],
     [enable_gallium_nouveau=no])
 if test "x$enable_gallium_nouveau" = xyes; then
     [enable_gallium_nouveau="$enableval"],
     [enable_gallium_nouveau=no])
 if test "x$enable_gallium_nouveau" = xyes; then
-    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS nouveau nvfx nv50"
-    gallium_check_st "nouveau/drm" "dri-nouveau" "egl-nouveau" "xorg-nouveau"
+    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS nouveau nvfx nv50 nvc0"
+    gallium_check_st "nouveau/drm" "dri-nouveau" "xorg-nouveau"
 fi
 
 dnl
 fi
 
 dnl
@@ -1548,9 +1702,19 @@ if test "x$enable_gallium_swrast" = xyes || test "x$enable_gallium_swrast" = xau
     if test "x$HAVE_ST_DRI" = xyes; then
         GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS dri-swrast"
     fi
     if test "x$HAVE_ST_DRI" = xyes; then
         GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS dri-swrast"
     fi
-    if test "x$HAVE_ST_EGL" = xyes; then
-        GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS egl-swrast"
-    fi
+fi
+
+dnl
+dnl Gallium noop configuration
+dnl
+AC_ARG_ENABLE([gallium-noop],
+    [AS_HELP_STRING([--enable-gallium-noop],
+        [build gallium radeon @<:@default=disabled@:>@])],
+    [enable_gallium_noop="$enableval"],
+    [enable_gallium_noop=auto])
+if test "x$enable_gallium_noop" = xyes; then
+    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS noop"
+    GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS dri-noop"
 fi
 
 dnl prepend CORE_DIRS to SRC_DIRS
 fi
 
 dnl prepend CORE_DIRS to SRC_DIRS
@@ -1582,28 +1746,59 @@ echo "        exec_prefix:     $exec_prefix"
 echo "        libdir:          $libdir"
 echo "        includedir:      $includedir"
 
 echo "        libdir:          $libdir"
 echo "        includedir:      $includedir"
 
+dnl API info
+echo ""
+echo "        OpenGL:          $enable_opengl (ES1: $enable_gles1 ES2: $enable_gles2)"
+echo "        GLES overlay:    $enable_gles_overlay"
+echo "        OpenVG:          $enable_openvg"
+
 dnl Driver info
 echo ""
 echo "        Driver:          $mesa_driver"
 dnl Driver info
 echo ""
 echo "        Driver:          $mesa_driver"
-if echo "$DRIVER_DIRS" | grep 'osmesa' >/dev/null 2>&1; then
-    echo "        OSMesa:          lib$OSMESA_LIB"
-else
-    echo "        OSMesa:          no"
-fi
-if test "$mesa_driver" = dri; then
-    # cleanup the drivers var
-    dri_dirs=`echo $DRI_DIRS | $SED 's/^ *//;s/  */ /;s/ *$//'`
-if test "x$DRI_DIRS" = x; then
-    echo "        DRI drivers:     no"
-else
-    echo "        DRI drivers:     $dri_dirs"
+if test "$mesa_driver" != no; then
+    if echo "$DRIVER_DIRS" | grep 'osmesa' >/dev/null 2>&1; then
+        echo "        OSMesa:          lib$OSMESA_LIB"
+    else
+        echo "        OSMesa:          no"
+    fi
+    if test "$mesa_driver" = dri; then
+        # cleanup the drivers var
+        dri_dirs=`echo $DRI_DIRS | $SED 's/^ *//;s/  */ /;s/ *$//'`
+        if test "x$DRI_DIRS" = x; then
+            echo "        DRI drivers:     no"
+        else
+            echo "        DRI drivers:     $dri_dirs"
+        fi
+        echo "        DRI driver dir:  $DRI_DRIVER_INSTALL_DIR"
+        echo "        Use XCB:         $enable_xcb"
+    fi
 fi
 fi
-    echo "        DRI driver dir:  $DRI_DRIVER_INSTALL_DIR"
+echo ""
+echo "        GLU:             $enable_glu"
+echo "        GLw:             $enable_glw (Motif: $enable_motif)"
+echo "        glut:            $enable_glut"
+
+dnl EGL
+echo ""
+echo "        EGL:             $enable_egl"
+if test "$enable_egl" = yes; then
+    echo "        EGL platforms:   $EGL_PLATFORMS"
+
+    egl_drivers=""
+    for d in $EGL_DRIVERS_DIRS; do
+        egl_drivers="$egl_drivers egl_$d"
+    done
+
+    if test "$enable_gallium" = yes -a "$HAVE_ST_EGL" = yes; then
+        echo "        EGL drivers:    ${egl_drivers} egl_gallium"
+        echo "        EGL Gallium STs:$EGL_CLIENT_APIS"
+    else
+        echo "        EGL drivers:    $egl_drivers"
+    fi
 fi
 fi
-echo "        Use XCB:         $enable_xcb"
 
 echo ""
 
 echo ""
-if test "x$MESA_LLVM" == x1; then
+if test "x$MESA_LLVM" = x1; then
     echo "        llvm:            yes"
     echo "        llvm-config:     $LLVM_CONFIG"
     echo "        llvm-version:    $LLVM_VERSION"
     echo "        llvm:            yes"
     echo "        llvm-config:     $LLVM_CONFIG"
     echo "        llvm-version:    $LLVM_VERSION"
@@ -1619,9 +1814,6 @@ if echo "$SRC_DIRS" | grep 'gallium' >/dev/null 2>&1; then
     echo "        Winsys dirs:     $GALLIUM_WINSYS_DIRS"
     echo "        Driver dirs:     $GALLIUM_DRIVERS_DIRS"
     echo "        Trackers dirs:   $GALLIUM_STATE_TRACKERS_DIRS"
     echo "        Winsys dirs:     $GALLIUM_WINSYS_DIRS"
     echo "        Driver dirs:     $GALLIUM_DRIVERS_DIRS"
     echo "        Trackers dirs:   $GALLIUM_STATE_TRACKERS_DIRS"
-    if test "x$HAVE_ST_EGL" = xyes; then
-        echo "        EGL client APIs: $EGL_CLIENT_APIS"
-    fi
 else
     echo "        Gallium:         no"
 fi
 else
     echo "        Gallium:         no"
 fi
@@ -1630,24 +1822,6 @@ dnl Libraries
 echo ""
 echo "        Shared libs:     $enable_shared"
 echo "        Static libs:     $enable_static"
 echo ""
 echo "        Shared libs:     $enable_shared"
 echo "        Static libs:     $enable_static"
-if test "$enable_egl" = yes; then
-    echo "        EGL:             $EGL_DRIVERS_DIRS"
-    echo "        EGL displays:    $EGL_DISPLAYS"
-else
-    echo "        EGL:             no"
-fi
-echo "        GLU:             $enable_glu"
-echo "        GLw:             $enable_glw (Motif: $enable_motif)"
-echo "        glut:            $enable_glut"
-
-dnl Programs
-# cleanup the programs var for display
-program_dirs=`echo $PROGRAM_DIRS | $SED 's/^ *//;s/  */ /;s/ *$//'`
-if test "x$program_dirs" = x; then
-    echo "        Demos:           no"
-else
-    echo "        Demos:           $program_dirs"
-fi
 
 dnl Compiler options
 # cleanup the CFLAGS/CXXFLAGS/DEFINES vars
 
 dnl Compiler options
 # cleanup the CFLAGS/CXXFLAGS/DEFINES vars
@@ -1660,6 +1834,8 @@ echo ""
 echo "        CFLAGS:          $cflags"
 echo "        CXXFLAGS:        $cxxflags"
 echo "        Macros:          $defines"
 echo "        CFLAGS:          $cflags"
 echo "        CXXFLAGS:        $cxxflags"
 echo "        Macros:          $defines"
+echo ""
+echo "        PYTHON2:         $PYTHON2"
 
 echo ""
 echo "        Run '${MAKE-make}' to build Mesa"
 
 echo ""
 echo "        Run '${MAKE-make}' to build Mesa"