st/mesa: expose ARB_compute_variable_group_size

[mesa.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 1bfac3b291247c5da1aa19fceff194e0fb88c10a..99abcd7a5fea023d5bc769485e35893c21433015 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -387,6 +387,17 @@ fi
 AM_CONDITIONAL([SSE41_SUPPORTED], [test x$SSE41_SUPPORTED = x1])
 AC_SUBST([SSE41_CFLAGS], $SSE41_CFLAGS)
 
+dnl Check for new-style atomic builtins
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+int main() {
+    int n;
+    return __atomic_load_n(&n, __ATOMIC_ACQUIRE);
+}]])], GCC_ATOMIC_BUILTINS_SUPPORTED=1)
+if test "x$GCC_ATOMIC_BUILTINS_SUPPORTED" = x1; then
+    DEFINES="$DEFINES -DUSE_GCC_ATOMIC_BUILTINS"
+fi
+AM_CONDITIONAL([GCC_ATOMIC_BUILTINS_SUPPORTED], [test x$GCC_ATOMIC_BUILTINS_SUPPORTED = x1])
+
 dnl Check for Endianness
 AC_C_BIGENDIAN(
    little_endian=no,
@@ -2641,6 +2652,8 @@ fi
 AM_CONDITIONAL(HAVE_LIBDRM, test "x$have_libdrm" = xyes)
 AM_CONDITIONAL(HAVE_OSMESA, test "x$enable_osmesa" = xyes)
 AM_CONDITIONAL(HAVE_GALLIUM_OSMESA, test "x$enable_gallium_osmesa" = xyes)
+AM_CONDITIONAL(HAVE_COMMON_OSMESA, test "x$enable_osmesa" = xyes -o \
+                                        "x$enable_gallium_osmesa" = xyes)
 
 AM_CONDITIONAL(HAVE_X86_ASM, test "x$asm_arch" = xx86 -o "x$asm_arch" = xx86_64)
 AM_CONDITIONAL(HAVE_X86_64_ASM, test "x$asm_arch" = xx86_64)