i965: Automatically create a passthrough TCS when needed.

[mesa.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 248f618317200796efc29972c40924109f2effc1..f8a70bef0e20f94a4cb394d0a71987a5057bec4e 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -70,18 +70,19 @@ AC_SUBST([OPENCL_VERSION])
 dnl Versions for external dependencies
 LIBDRM_REQUIRED=2.4.60
 LIBDRM_RADEON_REQUIRED=2.4.56
 dnl Versions for external dependencies
 LIBDRM_REQUIRED=2.4.60
 LIBDRM_RADEON_REQUIRED=2.4.56

+LIBDRM_AMDGPU_REQUIRED=2.4.63

 LIBDRM_INTEL_REQUIRED=2.4.61
 LIBDRM_INTEL_REQUIRED=2.4.61

-LIBDRM_NVVIEUX_REQUIRED=2.4.33
-LIBDRM_NOUVEAU_REQUIRED=2.4.62
-LIBDRM_FREEDRENO_REQUIRED=2.4.57
+LIBDRM_NVVIEUX_REQUIRED=2.4.66
+LIBDRM_NOUVEAU_REQUIRED=2.4.66
+LIBDRM_FREEDRENO_REQUIRED=2.4.65

 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
 DRI2PROTO_REQUIRED=2.6
 DRI3PROTO_REQUIRED=1.0
 PRESENTPROTO_REQUIRED=1.0
 LIBUDEV_REQUIRED=151
 GLPROTO_REQUIRED=1.4.14
 LIBOMXIL_BELLAGIO_REQUIRED=0.0

-LIBVA_REQUIRED=0.35.0
-VDPAU_REQUIRED=0.4.1
+LIBVA_REQUIRED=0.38.0
+VDPAU_REQUIRED=1.1

 WAYLAND_REQUIRED=1.2.0
 XCB_REQUIRED=1.9.3
 XCBDRI2_REQUIRED=1.8
 WAYLAND_REQUIRED=1.2.0
 XCB_REQUIRED=1.9.3
 XCBDRI2_REQUIRED=1.8


@@ -97,7 +98,7 @@ AC_PROG_CXX
 AM_PROG_CC_C_O
 AM_PROG_AS
 AX_CHECK_GNU_MAKE
 AM_PROG_CC_C_O
 AM_PROG_AS
 AX_CHECK_GNU_MAKE

-AC_CHECK_PROGS([PYTHON2], [python2 python])
+AC_CHECK_PROGS([PYTHON2], [python2.7 python2 python])

 AC_PROG_SED
 AC_PROG_MKDIR_P
 
 AC_PROG_SED
 AC_PROG_MKDIR_P
 


@@ -106,6 +107,8 @@ AC_SYS_LARGEFILE
 LT_PREREQ([2.2])
 LT_INIT([disable-static])
 
 LT_PREREQ([2.2])
 LT_INIT([disable-static])
 

+AC_CHECK_PROG(RM, rm, [rm -f])
+

 AX_PROG_BISON([],
               AS_IF([test ! -f "$srcdir/src/glsl/glcpp/glcpp-parse.c"],
                     [AC_MSG_ERROR([bison not found - unable to compile glcpp-parse.y])]))
 AX_PROG_BISON([],
               AS_IF([test ! -f "$srcdir/src/glsl/glcpp/glcpp-parse.c"],
                     [AC_MSG_ERROR([bison not found - unable to compile glcpp-parse.y])]))


@@ -194,6 +197,13 @@ if test "x$GCC" = xyes -a "x$acv_mesa_CLANG" = xno; then
     fi
 fi
 
     fi
 fi
 

+dnl We don't support building Mesa with Sun C compiler
+dnl https://bugs.freedesktop.org/show_bug.cgi?id=93189
+AC_CHECK_DECL([__SUNPRO_C], [SUNCC=yes], [SUNCC=no])
+if test "x$SUNCC" = xyes; then
+    AC_MSG_ERROR([Building with Sun C compiler is not supported, use GCC instead.])
+fi
+

 dnl Check for compiler builtins
 AX_GCC_BUILTIN([__builtin_bswap32])
 AX_GCC_BUILTIN([__builtin_bswap64])
 dnl Check for compiler builtins
 AX_GCC_BUILTIN([__builtin_bswap32])
 AX_GCC_BUILTIN([__builtin_bswap64])


@@ -235,7 +245,7 @@ _SAVE_LDFLAGS="$LDFLAGS"
 _SAVE_CPPFLAGS="$CPPFLAGS"
 
 dnl Compiler macros
 _SAVE_CPPFLAGS="$CPPFLAGS"
 
 dnl Compiler macros

-DEFINES=""
+DEFINES="-D__STDC_LIMIT_MACROS"

 AC_SUBST([DEFINES])
 case "$host_os" in
 linux*|*-gnu*|gnu*)
 AC_SUBST([DEFINES])
 case "$host_os" in
 linux*|*-gnu*|gnu*)


@@ -286,6 +296,9 @@ if test "x$GCC" = xyes; then
     # Work around aliasing bugs - developers should comment this out
     CFLAGS="$CFLAGS -fno-strict-aliasing"
 
     # Work around aliasing bugs - developers should comment this out
     CFLAGS="$CFLAGS -fno-strict-aliasing"
 

+    # We don't want floating-point math functions to set errno or trap
+    CFLAGS="$CFLAGS -fno-math-errno -fno-trapping-math"
+

     # gcc's builtin memcmp is slower than glibc's
     # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43052
     CFLAGS="$CFLAGS -fno-builtin-memcmp"
     # gcc's builtin memcmp is slower than glibc's
     # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43052
     CFLAGS="$CFLAGS -fno-builtin-memcmp"


@@ -370,10 +383,11 @@ save_CFLAGS="$CFLAGS"
 CFLAGS="$SSE41_CFLAGS $CFLAGS"
 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
 #include <smmintrin.h>
 CFLAGS="$SSE41_CFLAGS $CFLAGS"
 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
 #include <smmintrin.h>

+int param;

 int main () {
 int main () {

-    __m128i a = _mm_set1_epi32 (0), b = _mm_set1_epi32 (0), c;
+    __m128i a = _mm_set1_epi32 (param), b = _mm_set1_epi32 (param + 1), c;

     c = _mm_max_epu32(a, b);
     c = _mm_max_epu32(a, b);

-    return 0;
+    return _mm_cvtsi128_si32(c);

 }]])], SSE41_SUPPORTED=1)
 CFLAGS="$save_CFLAGS"
 if test "x$SSE41_SUPPORTED" = x1; then
 }]])], SSE41_SUPPORTED=1)
 CFLAGS="$save_CFLAGS"
 if test "x$SSE41_SUPPORTED" = x1; then


@@ -529,15 +543,32 @@ AM_CONDITIONAL(HAVE_COMPAT_SYMLINKS, test "x$HAVE_COMPAT_SYMLINKS" = xyes)
 dnl
 dnl library names
 dnl
 dnl
 dnl library names
 dnl

+dnl Unfortunately we need to do a few things that libtool can't help us with,
+dnl so we need some knowledge of shared library filenames:
+dnl
+dnl LIB_EXT is the extension used when creating symlinks for alternate
+dnl filenames for a shared library which will be dynamically loaded
+dnl
+dnl IMP_LIB_EXT is the extension used when checking for the presence of a
+dnl the file for a shared library we wish to link with
+dnl

 case "$host_os" in
 darwin* )
 case "$host_os" in
 darwin* )

-    LIB_EXT='dylib' ;;
+    LIB_EXT='dylib'
+    IMP_LIB_EXT=$LIB_EXT
+    ;;

 cygwin* )
 cygwin* )

-    LIB_EXT='dll' ;;
+    LIB_EXT='dll'
+    IMP_LIB_EXT='dll.a'
+    ;;

 aix* )
 aix* )

-    LIB_EXT='a' ;;
+    LIB_EXT='a'
+    IMP_LIB_EXT=$LIB_EXT
+    ;;

 * )
 * )

-    LIB_EXT='so' ;;
+    LIB_EXT='so'
+    IMP_LIB_EXT=$LIB_EXT
+    ;;

 esac
 
 AC_SUBST([LIB_EXT])
 esac
 
 AC_SUBST([LIB_EXT])


@@ -744,6 +775,11 @@ linux*)
     dri3_default=no
     ;;
 esac
     dri3_default=no
     ;;
 esac

+
+if test "x$enable_dri" = xno; then
+    dri3_default=no
+fi
+

 AC_ARG_ENABLE([dri3],
     [AS_HELP_STRING([--enable-dri3],
         [enable DRI3 @<:@default=auto@:>@])],
 AC_ARG_ENABLE([dri3],
     [AS_HELP_STRING([--enable-dri3],
         [enable DRI3 @<:@default=auto@:>@])],


@@ -843,7 +879,7 @@ GALLIUM_DRIVERS_DEFAULT="r300,r600,svga,swrast"
 AC_ARG_WITH([gallium-drivers],
     [AS_HELP_STRING([--with-gallium-drivers@<:@=DIRS...@:>@],
         [comma delimited Gallium drivers list, e.g.
 AC_ARG_WITH([gallium-drivers],
     [AS_HELP_STRING([--with-gallium-drivers@<:@=DIRS...@:>@],
         [comma delimited Gallium drivers list, e.g.

-        "i915,ilo,nouveau,r300,r600,radeonsi,freedreno,svga,swrast,vc4"
+        "i915,ilo,nouveau,r300,r600,radeonsi,freedreno,svga,swrast,vc4,virgl"

         @<:@default=r300,r600,svga,swrast@:>@])],
     [with_gallium_drivers="$withval"],
     [with_gallium_drivers="$GALLIUM_DRIVERS_DEFAULT"])
         @<:@default=r300,r600,svga,swrast@:>@])],
     [with_gallium_drivers="$withval"],
     [with_gallium_drivers="$GALLIUM_DRIVERS_DEFAULT"])


@@ -933,8 +969,13 @@ gnu*|cygwin*)
     dri_platform='drm' ;;
 esac
 
     dri_platform='drm' ;;
 esac
 

+if test "x$enable_dri" = xyes -a "x$dri_platform" = xdrm -a "x$have_libdrm" = xyes; then
+    have_drisw_kms='yes'
+fi
+

 AM_CONDITIONAL(HAVE_DRICOMMON, test "x$enable_dri" = xyes )
 AM_CONDITIONAL(HAVE_DRISW, test "x$enable_dri" = xyes )
 AM_CONDITIONAL(HAVE_DRICOMMON, test "x$enable_dri" = xyes )
 AM_CONDITIONAL(HAVE_DRISW, test "x$enable_dri" = xyes )

+AM_CONDITIONAL(HAVE_DRISW_KMS, test "x$have_drisw_kms" = xyes )

 AM_CONDITIONAL(HAVE_DRI2, test "x$enable_dri" = xyes -a "x$dri_platform" = xdrm -a "x$have_libdrm" = xyes )
 AM_CONDITIONAL(HAVE_DRI3, test "x$enable_dri3" = xyes -a "x$dri_platform" = xdrm -a "x$have_libdrm" = xyes )
 AM_CONDITIONAL(HAVE_APPLEDRI, test "x$enable_dri" = xyes -a "x$dri_platform" = xapple )
 AM_CONDITIONAL(HAVE_DRI2, test "x$enable_dri" = xyes -a "x$dri_platform" = xdrm -a "x$have_libdrm" = xyes )
 AM_CONDITIONAL(HAVE_DRI3, test "x$enable_dri3" = xyes -a "x$dri_platform" = xdrm -a "x$have_libdrm" = xyes )
 AM_CONDITIONAL(HAVE_APPLEDRI, test "x$enable_dri" = xyes -a "x$dri_platform" = xapple )


@@ -969,10 +1010,6 @@ if test -n "$with_gallium_drivers" -a "x$enable_glx$enable_xlib_glx" = xyesyes;
     NEED_WINSYS_XLIB="yes"
 fi
 
     NEED_WINSYS_XLIB="yes"
 fi
 

-if test "x$enable_dri" = xyes; then
-    enable_gallium_loader="$enable_shared_pipe_drivers"
-fi
-

 if test "x$enable_gallium_osmesa" = xyes; then
     if ! echo "$with_gallium_drivers" | grep -q 'swrast'; then
         AC_MSG_ERROR([gallium_osmesa requires the gallium swrast driver])
 if test "x$enable_gallium_osmesa" = xyes; then
     if ! echo "$with_gallium_drivers" | grep -q 'swrast'; then
         AC_MSG_ERROR([gallium_osmesa requires the gallium swrast driver])


@@ -1106,6 +1143,11 @@ AC_MSG_RESULT([$with_sha1])
 AC_SUBST(SHA1_LIBS)
 AC_SUBST(SHA1_CFLAGS)
 
 AC_SUBST(SHA1_LIBS)
 AC_SUBST(SHA1_CFLAGS)
 

+# Enable a define for SHA1
+if test "x$with_sha1" != "x"; then
+       DEFINES="$DEFINES -DHAVE_SHA1"
+fi
+

 # Allow user to configure out the shader-cache feature
 AC_ARG_ENABLE([shader-cache],
     AS_HELP_STRING([--disable-shader-cache], [Disable binary shader cache]),
 # Allow user to configure out the shader-cache feature
 AC_ARG_ENABLE([shader-cache],
     AS_HELP_STRING([--disable-shader-cache], [Disable binary shader cache]),


@@ -1198,7 +1240,8 @@ xyesno)
 
             if test x"$enable_dri3" = xyes; then
                PKG_CHECK_EXISTS([xcb >= $XCB_REQUIRED], [], AC_MSG_ERROR([DRI3 requires xcb >= $XCB_REQUIRED]))
 
             if test x"$enable_dri3" = xyes; then
                PKG_CHECK_EXISTS([xcb >= $XCB_REQUIRED], [], AC_MSG_ERROR([DRI3 requires xcb >= $XCB_REQUIRED]))

-               dri_modules="$dri_modules xcb-dri3 xcb-present xcb-sync xshmfence >= $XSHMFENCE_REQUIRED"
+               dri3_modules="xcb-dri3 xcb-present xcb-sync xshmfence >= $XSHMFENCE_REQUIRED"
+               PKG_CHECK_MODULES([XCB_DRI3], [$dri3_modules])

             fi
         fi
         if test x"$dri_platform" = xapple ; then
             fi
         fi
         if test x"$dri_platform" = xapple ; then


@@ -1285,6 +1328,16 @@ AC_SUBST(GLX_TLS, ${GLX_USE_TLS})
 AS_IF([test "x$GLX_USE_TLS" = xyes -a "x$ax_pthread_ok" = xyes],
       [DEFINES="${DEFINES} -DGLX_USE_TLS"])
 
 AS_IF([test "x$GLX_USE_TLS" = xyes -a "x$ax_pthread_ok" = xyes],
       [DEFINES="${DEFINES} -DGLX_USE_TLS"])
 

+dnl Read-only text section on x86 hardened platforms
+AC_ARG_ENABLE([glx-read-only-text],
+    [AS_HELP_STRING([--enable-glx-read-only-text],
+        [Disable writable .text section on x86 (decreases performance) @<:@default=disabled@:>@])],
+    [enable_glx_read_only_text="$enableval"],
+    [enable_glx_read_only_text=no])
+if test "x$enable_glx_read_only_text" = xyes; then
+    DEFINES="$DEFINES -DGLX_X86_READONLY_TEXT"
+fi
+

 dnl
 dnl More DRI setup
 dnl
 dnl
 dnl More DRI setup
 dnl


@@ -1529,6 +1582,12 @@ if test "x$enable_egl" = xyes; then
             if test "x$enable_shared_glapi" = xno; then
                 AC_MSG_ERROR([egl_dri2 requires --enable-shared-glapi])
             fi
             if test "x$enable_shared_glapi" = xno; then
                 AC_MSG_ERROR([egl_dri2 requires --enable-shared-glapi])
             fi

+            if test "x$enable_dri3" = xyes; then
+                HAVE_EGL_DRIVER_DRI3=1
+                if test "x$enable_shared_glapi" = xno; then
+                    AC_MSG_ERROR([egl_dri3 requires --enable-shared-glapi])
+                fi
+            fi

         else
             # Avoid building an "empty" libEGL. Drop/update this
             # when other backends (haiku?) come along.
         else
             # Avoid building an "empty" libEGL. Drop/update this
             # when other backends (haiku?) come along.


@@ -1540,6 +1599,8 @@ fi
 AM_CONDITIONAL(HAVE_EGL, test "x$enable_egl" = xyes)
 AC_SUBST([EGL_LIB_DEPS])
 
 AM_CONDITIONAL(HAVE_EGL, test "x$enable_egl" = xyes)
 AC_SUBST([EGL_LIB_DEPS])
 

+gallium_st="mesa"
+

 dnl
 dnl XA configuration
 dnl
 dnl
 dnl XA configuration
 dnl


@@ -1552,7 +1613,7 @@ if test "x$enable_xa" = xyes; then
           enabling XA.
           Example: ./configure --enable-xa --with-gallium-drivers=svga...])
     fi
           enabling XA.
           Example: ./configure --enable-xa --with-gallium-drivers=svga...])
     fi

-    enable_gallium_loader=$enable_shared_pipe_drivers
+    gallium_st="$gallium_st xa"

 fi
 AM_CONDITIONAL(HAVE_ST_XA, test "x$enable_xa" = xyes)
 
 fi
 AM_CONDITIONAL(HAVE_ST_XA, test "x$enable_xa" = xyes)
 


@@ -1597,25 +1658,25 @@ AM_CONDITIONAL(NEED_GALLIUM_VL_WINSYS, test "x$need_gallium_vl_winsys" = xyes)
 
 if test "x$enable_xvmc" = xyes; then
     PKG_CHECK_MODULES([XVMC], [xvmc >= $XVMC_REQUIRED])
 
 if test "x$enable_xvmc" = xyes; then
     PKG_CHECK_MODULES([XVMC], [xvmc >= $XVMC_REQUIRED])

-    enable_gallium_loader=$enable_shared_pipe_drivers
+    gallium_st="$gallium_st xvmc"

 fi
 AM_CONDITIONAL(HAVE_ST_XVMC, test "x$enable_xvmc" = xyes)
 
 if test "x$enable_vdpau" = xyes; then
     PKG_CHECK_MODULES([VDPAU], [vdpau >= $VDPAU_REQUIRED])
 fi
 AM_CONDITIONAL(HAVE_ST_XVMC, test "x$enable_xvmc" = xyes)
 
 if test "x$enable_vdpau" = xyes; then
     PKG_CHECK_MODULES([VDPAU], [vdpau >= $VDPAU_REQUIRED])

-    enable_gallium_loader=$enable_shared_pipe_drivers
+    gallium_st="$gallium_st 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 >= $LIBOMXIL_BELLAGIO_REQUIRED])
 fi
 AM_CONDITIONAL(HAVE_ST_VDPAU, test "x$enable_vdpau" = xyes)
 
 if test "x$enable_omx" = xyes; then
     PKG_CHECK_MODULES([OMX], [libomxil-bellagio >= $LIBOMXIL_BELLAGIO_REQUIRED])

-    enable_gallium_loader=$enable_shared_pipe_drivers
+    gallium_st="$gallium_st omx"

 fi
 AM_CONDITIONAL(HAVE_ST_OMX, test "x$enable_omx" = xyes)
 
 if test "x$enable_va" = xyes; then
     PKG_CHECK_MODULES([VA], [libva >= $LIBVA_REQUIRED])
 fi
 AM_CONDITIONAL(HAVE_ST_OMX, test "x$enable_omx" = xyes)
 
 if test "x$enable_va" = xyes; then
     PKG_CHECK_MODULES([VA], [libva >= $LIBVA_REQUIRED])

-    enable_gallium_loader=$enable_shared_pipe_drivers
+    gallium_st="$gallium_st va"

 fi
 AM_CONDITIONAL(HAVE_ST_VA, test "x$enable_va" = xyes)
 
 fi
 AM_CONDITIONAL(HAVE_ST_VA, test "x$enable_va" = xyes)
 


@@ -1629,11 +1690,15 @@ if test "x$enable_nine" = xyes; then
     if test "x$with_gallium_drivers" = xswrast; then
         AC_MSG_ERROR([nine requires at least one non-swrast gallium driver])
     fi
     if test "x$with_gallium_drivers" = xswrast; then
         AC_MSG_ERROR([nine requires at least one non-swrast gallium driver])
     fi

+    if test $GCC_VERSION_MAJOR -lt 4 -o $GCC_VERSION_MAJOR -eq 4 -a $GCC_VERSION_MINOR -lt 6; then
+        AC_MSG_ERROR([gcc >= 4.6 is required to build nine])
+    fi
+

     if test "x$enable_dri3" = xno; then
         AC_MSG_WARN([using nine together with wine requires DRI3 enabled system])
     fi
 
     if test "x$enable_dri3" = xno; then
         AC_MSG_WARN([using nine together with wine requires DRI3 enabled system])
     fi
 

-    enable_gallium_loader=$enable_shared_pipe_drivers
+    gallium_st="$gallium_st nine"

 fi
 AM_CONDITIONAL(HAVE_ST_NINE, test "x$enable_nine" = xyes)
 
 fi
 AM_CONDITIONAL(HAVE_ST_NINE, test "x$enable_nine" = xyes)
 


@@ -1648,7 +1713,15 @@ AC_ARG_WITH([clang-libdir],
    [CLANG_LIBDIR=''])
 
 PKG_CHECK_EXISTS([libclc], [have_libclc=yes], [have_libclc=no])
    [CLANG_LIBDIR=''])
 
 PKG_CHECK_EXISTS([libclc], [have_libclc=yes], [have_libclc=no])

-AC_CHECK_LIB([elf], [elf_memory], [have_libelf=yes;ELF_LIB=-lelf])
+PKG_CHECK_MODULES([LIBELF], [libelf], [have_libelf=yes], [have_libelf=no])
+
+if test "x$have_libelf" = xno; then
+   LIBELF_LIBS=''
+   LIBELF_CFLAGS=''
+   AC_CHECK_LIB([elf], [elf_memory], [have_libelf=yes;LIBELF_LIBS=-lelf], [have_libelf=no])
+   AC_SUBST([LIBELF_LIBS])
+   AC_SUBST([LIBELF_CFLAGS])
+fi

 
 if test "x$enable_opencl" = xyes; then
     if test -z "$with_gallium_drivers"; then
 
 if test "x$enable_opencl" = xyes; then
     if test -z "$with_gallium_drivers"; then


@@ -1671,8 +1744,7 @@ if test "x$enable_opencl" = xyes; then
         AC_SUBST([LIBCLC_LIBEXECDIR])
     fi
 
         AC_SUBST([LIBCLC_LIBEXECDIR])
     fi
 

-    # XXX: Use $enable_shared_pipe_drivers once converted to use static/shared pipe-drivers
-    enable_gallium_loader=yes
+    gallium_st="$gallium_st clover"

 
     if test "x$enable_opencl_icd" = xyes; then
         OPENCL_LIBNAME="MesaOpenCL"
 
     if test "x$enable_opencl_icd" = xyes; then
         OPENCL_LIBNAME="MesaOpenCL"


@@ -1952,10 +2024,6 @@ AC_SUBST([XVMC_LIB_INSTALL_DIR])
 dnl
 dnl Gallium Tests
 dnl
 dnl
 dnl Gallium Tests
 dnl

-if test "x$enable_gallium_tests" = xyes; then
-    # XXX: Use $enable_shared_pipe_drivers once converted to use static/shared pipe-drivers
-    enable_gallium_loader=yes
-fi

 AM_CONDITIONAL(HAVE_GALLIUM_TESTS, test "x$enable_gallium_tests" = xyes)
 
 dnl Directory for VDPAU libs
 AM_CONDITIONAL(HAVE_GALLIUM_TESTS, test "x$enable_gallium_tests" = xyes)
 
 dnl Directory for VDPAU libs


@@ -2010,14 +2078,8 @@ gallium_require_llvm() {
 }
 
 gallium_require_drm_loader() {
 }
 
 gallium_require_drm_loader() {

-    if test "x$enable_gallium_loader" = xyes; then
-        if test "x$need_pci_id$have_pci_id" = xyesno; then
-            AC_MSG_ERROR([Gallium drm loader requires libudev >= $LIBUDEV_REQUIRED or sysfs])
-        fi
-        enable_gallium_drm_loader=yes
-    fi
-    if test "x$enable_va" = xyes && test "x$7" != x; then
-         GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS $7"
+    if test "x$need_pci_id$have_pci_id" = xyesno; then
+        AC_MSG_ERROR([Gallium drm loader requires libudev >= $LIBUDEV_REQUIRED or sysfs])

     fi
 }
 
     fi
 }
 


@@ -2043,7 +2105,7 @@ radeon_llvm_check() {
     if test "x$enable_gallium_llvm" != "xyes"; then
         AC_MSG_ERROR([--enable-gallium-llvm is required when building $1])
     fi
     if test "x$enable_gallium_llvm" != "xyes"; then
         AC_MSG_ERROR([--enable-gallium-llvm is required when building $1])
     fi

-    llvm_check_version_for "3" "4" "2" $1 
+    llvm_check_version_for "3" "5" "0" $1

     if test true && $LLVM_CONFIG --targets-built | grep -iqvw $amdgpu_llvm_target_name ; then
         AC_MSG_ERROR([LLVM $amdgpu_llvm_target_name not enabled in your LLVM build.])
     fi
     if test true && $LLVM_CONFIG --targets-built | grep -iqvw $amdgpu_llvm_target_name ; then
         AC_MSG_ERROR([LLVM $amdgpu_llvm_target_name not enabled in your LLVM build.])
     fi


@@ -2102,6 +2164,7 @@ if test -n "$with_gallium_drivers"; then
         xradeonsi)
             HAVE_GALLIUM_RADEONSI=yes
             PKG_CHECK_MODULES([RADEON], [libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
         xradeonsi)
             HAVE_GALLIUM_RADEONSI=yes
             PKG_CHECK_MODULES([RADEON], [libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])

+            PKG_CHECK_MODULES([AMDGPU], [libdrm_amdgpu >= $LIBDRM_AMDGPU_REQUIRED])

             gallium_require_drm "radeonsi"
             gallium_require_drm_loader
             radeon_llvm_check "radeonsi"
             gallium_require_drm "radeonsi"
             gallium_require_drm_loader
             radeon_llvm_check "radeonsi"


@@ -2130,11 +2193,16 @@ if test -n "$with_gallium_drivers"; then
             gallium_require_drm "vc4"
             gallium_require_drm_loader
 
             gallium_require_drm "vc4"
             gallium_require_drm_loader
 

-            case "$host_cpu" in
-                i?86 | x86_64 | amd64)
-                USE_VC4_SIMULATOR=yes
-                ;;
-            esac
+            PKG_CHECK_MODULES([SIMPENROSE], [simpenrose],
+                              [USE_VC4_SIMULATOR=yes;
+                               DEFINES="$DEFINES -DUSE_VC4_SIMULATOR"],
+                              [USE_VC4_SIMULATOR=no])
+            ;;
+        xvirgl)
+            HAVE_GALLIUM_VIRGL=yes
+            gallium_require_drm "virgl"
+            gallium_require_drm_loader
+            require_egl_drm "virgl"

             ;;
         *)
             AC_MSG_ERROR([Unknown Gallium driver: $driver])
             ;;
         *)
             AC_MSG_ERROR([Unknown Gallium driver: $driver])


@@ -2154,10 +2222,14 @@ if test "x$MESA_LLVM" != x0; then
 
     LLVM_LIBS="`$LLVM_CONFIG --libs ${LLVM_COMPONENTS}`"
 
 
     LLVM_LIBS="`$LLVM_CONFIG --libs ${LLVM_COMPONENTS}`"
 

+    dnl llvm-config may not give the right answer when llvm is a built as a
+    dnl single shared library, so we must work the library name out for
+    dnl ourselves.
+    dnl (See https://llvm.org/bugs/show_bug.cgi?id=6823)

     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`
     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])
+        AS_IF([test -f "$LLVM_LIBDIR/lib$LLVM_SO_NAME.$IMP_LIB_EXT"], [llvm_have_one_so=yes])

 
         if test "x$llvm_have_one_so" = xyes; then
             dnl LLVM was built using auto*, so there is only one shared object.
 
         if test "x$llvm_have_one_so" = xyes; then
             dnl LLVM was built using auto*, so there is only one shared object.


@@ -2165,7 +2237,7 @@ if test "x$MESA_LLVM" != x0; then
         else
             dnl If LLVM was built with CMake, there will be one shared object per
             dnl component.
         else
             dnl If LLVM was built with CMake, there will be one shared object per
             dnl component.

-            AS_IF([test ! -f "$LLVM_LIBDIR/libLLVMTarget.so"],
+            AS_IF([test ! -f "$LLVM_LIBDIR/libLLVMTarget.$IMP_LIB_EXT"],

                     [AC_MSG_ERROR([Could not find llvm shared libraries:
        Please make sure you have built llvm with the --enable-shared option
        and that your llvm libraries are installed in $LLVM_LIBDIR
                     [AC_MSG_ERROR([Could not find llvm shared libraries:
        Please make sure you have built llvm with the --enable-shared option
        and that your llvm libraries are installed in $LLVM_LIBDIR


@@ -2203,25 +2275,18 @@ AM_CONDITIONAL(HAVE_GALLIUM_FREEDRENO, test "x$HAVE_GALLIUM_FREEDRENO" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_SOFTPIPE, test "x$HAVE_GALLIUM_SOFTPIPE" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_LLVMPIPE, test "x$HAVE_GALLIUM_LLVMPIPE" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_VC4, test "x$HAVE_GALLIUM_VC4" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_SOFTPIPE, test "x$HAVE_GALLIUM_SOFTPIPE" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_LLVMPIPE, test "x$HAVE_GALLIUM_LLVMPIPE" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_VC4, test "x$HAVE_GALLIUM_VC4" = xyes)

+AM_CONDITIONAL(HAVE_GALLIUM_VIRGL, test "x$HAVE_GALLIUM_VIRGL" = xyes)

 
 AM_CONDITIONAL(HAVE_GALLIUM_STATIC_TARGETS, test "x$enable_shared_pipe_drivers" = xno)
 
 
 AM_CONDITIONAL(HAVE_GALLIUM_STATIC_TARGETS, test "x$enable_shared_pipe_drivers" = xno)
 

-# 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$enable_gallium_loader" = xyes; then
-    if test "x$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="$GALLIUM_PIPE_LOADER_DEFINES -DHAVE_PIPE_LOADER_DRM"
-    fi
+if test "x$enable_dri" = xyes; then
+    GALLIUM_PIPE_LOADER_DEFINES="$GALLIUM_PIPE_LOADER_DEFINES -DHAVE_PIPE_LOADER_DRI"
+fi

 
 

-    AC_SUBST([GALLIUM_PIPE_LOADER_DEFINES])
+if test "x$have_drisw_kms" = xyes; then
+    GALLIUM_PIPE_LOADER_DEFINES="$GALLIUM_PIPE_LOADER_DEFINES -DHAVE_PIPE_LOADER_KMS"

 fi
 fi

+AC_SUBST([GALLIUM_PIPE_LOADER_DEFINES])

 
 AM_CONDITIONAL(HAVE_I915_DRI, test x$HAVE_I915_DRI = xyes)
 AM_CONDITIONAL(HAVE_I965_DRI, test x$HAVE_I965_DRI = xyes)
 
 AM_CONDITIONAL(HAVE_I915_DRI, test x$HAVE_I915_DRI = xyes)
 AM_CONDITIONAL(HAVE_I965_DRI, test x$HAVE_I965_DRI = xyes)


@@ -2236,8 +2301,6 @@ AM_CONDITIONAL(NEED_RADEON_DRM_WINSYS, test "x$HAVE_GALLIUM_R300" = xyes -o \
 AM_CONDITIONAL(NEED_WINSYS_XLIB, test "x$NEED_WINSYS_XLIB" = xyes)
 AM_CONDITIONAL(NEED_RADEON_LLVM, test x$NEED_RADEON_LLVM = xyes)
 AM_CONDITIONAL(USE_R600_LLVM_COMPILER, test x$USE_R600_LLVM_COMPILER = xyes)
 AM_CONDITIONAL(NEED_WINSYS_XLIB, test "x$NEED_WINSYS_XLIB" = xyes)
 AM_CONDITIONAL(NEED_RADEON_LLVM, test x$NEED_RADEON_LLVM = xyes)
 AM_CONDITIONAL(USE_R600_LLVM_COMPILER, test x$USE_R600_LLVM_COMPILER = xyes)

-AM_CONDITIONAL(HAVE_LOADER_GALLIUM, test x$enable_gallium_loader = xyes)
-AM_CONDITIONAL(HAVE_DRM_LOADER_GALLIUM, test x$enable_gallium_drm_loader = xyes)

 AM_CONDITIONAL(HAVE_GALLIUM_COMPUTE, test x$enable_opencl = xyes)
 AM_CONDITIONAL(HAVE_MESA_LLVM, test x$MESA_LLVM = x1)
 AM_CONDITIONAL(USE_VC4_SIMULATOR, test x$USE_VC4_SIMULATOR = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_COMPUTE, test x$enable_opencl = xyes)
 AM_CONDITIONAL(HAVE_MESA_LLVM, test x$MESA_LLVM = x1)
 AM_CONDITIONAL(USE_VC4_SIMULATOR, test x$USE_VC4_SIMULATOR = xyes)


@@ -2245,8 +2308,6 @@ if test "x$USE_VC4_SIMULATOR" = xyes -a "x$HAVE_GALLIUM_ILO" = xyes; then
     AC_MSG_ERROR([VC4 simulator on x86 replaces i965 driver build, so ilo must be disabled.])
 fi
 
     AC_MSG_ERROR([VC4 simulator on x86 replaces i965 driver build, so ilo must be disabled.])
 fi
 

-AC_SUBST([ELF_LIB])
-

 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$enable_osmesa" = xyes)
 AM_CONDITIONAL(HAVE_LIBDRM, test "x$have_libdrm" = xyes)
 AM_CONDITIONAL(HAVE_X11_DRIVER, test "x$enable_xlib_glx" = xyes)
 AM_CONDITIONAL(HAVE_OSMESA, test "x$enable_osmesa" = xyes)


@@ -2308,6 +2369,7 @@ AC_CONFIG_FILES([Makefile
                src/gallium/auxiliary/Makefile
                src/gallium/auxiliary/pipe-loader/Makefile
                src/gallium/drivers/freedreno/Makefile
                src/gallium/auxiliary/Makefile
                src/gallium/auxiliary/pipe-loader/Makefile
                src/gallium/drivers/freedreno/Makefile

+               src/gallium/drivers/ddebug/Makefile

                src/gallium/drivers/i915/Makefile
                src/gallium/drivers/ilo/Makefile
                src/gallium/drivers/llvmpipe/Makefile
                src/gallium/drivers/i915/Makefile
                src/gallium/drivers/ilo/Makefile
                src/gallium/drivers/llvmpipe/Makefile


@@ -2322,6 +2384,7 @@ AC_CONFIG_FILES([Makefile
                src/gallium/drivers/svga/Makefile
                src/gallium/drivers/trace/Makefile
                src/gallium/drivers/vc4/Makefile
                src/gallium/drivers/svga/Makefile
                src/gallium/drivers/trace/Makefile
                src/gallium/drivers/vc4/Makefile

+               src/gallium/drivers/virgl/Makefile

                src/gallium/state_trackers/clover/Makefile
                src/gallium/state_trackers/dri/Makefile
                src/gallium/state_trackers/glx/xlib/Makefile
                src/gallium/state_trackers/clover/Makefile
                src/gallium/state_trackers/dri/Makefile
                src/gallium/state_trackers/glx/xlib/Makefile


@@ -2354,6 +2417,7 @@ AC_CONFIG_FILES([Makefile
                src/gallium/winsys/intel/drm/Makefile
                src/gallium/winsys/nouveau/drm/Makefile
                src/gallium/winsys/radeon/drm/Makefile
                src/gallium/winsys/intel/drm/Makefile
                src/gallium/winsys/nouveau/drm/Makefile
                src/gallium/winsys/radeon/drm/Makefile

+               src/gallium/winsys/amdgpu/drm/Makefile

                src/gallium/winsys/svga/drm/Makefile
                src/gallium/winsys/sw/dri/Makefile
                src/gallium/winsys/sw/kms-dri/Makefile
                src/gallium/winsys/svga/drm/Makefile
                src/gallium/winsys/sw/dri/Makefile
                src/gallium/winsys/sw/kms-dri/Makefile


@@ -2361,6 +2425,8 @@ AC_CONFIG_FILES([Makefile
                src/gallium/winsys/sw/wrapper/Makefile
                src/gallium/winsys/sw/xlib/Makefile
                src/gallium/winsys/vc4/drm/Makefile
                src/gallium/winsys/sw/wrapper/Makefile
                src/gallium/winsys/sw/xlib/Makefile
                src/gallium/winsys/vc4/drm/Makefile

+               src/gallium/winsys/virgl/drm/Makefile
+               src/gallium/winsys/virgl/vtest/Makefile

                src/gbm/Makefile
                src/gbm/main/gbm.pc
                src/glsl/Makefile
                src/gbm/Makefile
                src/gbm/main/gbm.pc
                src/glsl/Makefile


@@ -2454,6 +2520,9 @@ if test "$enable_egl" = yes; then
     if test "x$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

+    if test "x$HAVE_EGL_DRIVER_DRI3" != "x"; then
+        egl_drivers="$egl_drivers builtin:egl_dri3"
+    fi

 
     echo "        EGL drivers:    $egl_drivers"
 fi
 
     echo "        EGL drivers:    $egl_drivers"
 fi


@@ -2469,7 +2538,8 @@ fi
 
 echo ""
 if test -n "$with_gallium_drivers"; then
 
 echo ""
 if test -n "$with_gallium_drivers"; then

-    echo "        Gallium:         yes"
+    echo "        Gallium drivers: $gallium_drivers"
+    echo "        Gallium st:      $gallium_st"

 else
     echo "        Gallium:         no"
 fi
 else
     echo "        Gallium:         no"
 fi