X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=configure.ac;h=a4564d23f4cf0504316760e1d89d61c7aa6de070;hb=eac1aad6249da0479a5bf75f72025bc134c9a6cc;hp=f378e54b857b29916a5d32b5cee1cf50136b381c;hpb=8c1e4b1afc8d396ccf99c725c59b29a9aa305557;p=mesa.git

diff --git a/configure.ac b/configure.ac
index f378e54b857..a4564d23f4c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -250,6 +250,7 @@ AX_GCC_FUNC_ATTRIBUTE([visibility])
 AX_GCC_FUNC_ATTRIBUTE([warn_unused_result])
 AX_GCC_FUNC_ATTRIBUTE([weak])
 AX_GCC_FUNC_ATTRIBUTE([alias])
+AX_GCC_FUNC_ATTRIBUTE([noreturn])
 
 AM_CONDITIONAL([GEN_ASM_OFFSETS], test "x$GEN_ASM_OFFSETS" = xyes)
 
@@ -394,8 +395,10 @@ esac
 AC_SUBST([VISIBILITY_CFLAGS])
 AC_SUBST([VISIBILITY_CXXFLAGS])
 
-AX_CHECK_COMPILE_FLAG([-Wno-override-init],                    [WNO_OVERRIDE_INIT="$WNO_OVERRIDE_INIT -Wno-override-init"])         # gcc
-AX_CHECK_COMPILE_FLAG([-Wno-initializer-overrides],            [WNO_OVERRIDE_INIT="$WNO_OVERRIDE_INIT -Wno-initializer-overrides"]) # clang
+dnl For some reason, the test for -Wno-foo always succeeds with gcc, even if the
+dnl option is not supported. Hence, check for -Wfoo instead.
+AX_CHECK_COMPILE_FLAG([-Woverride-init],                    [WNO_OVERRIDE_INIT="$WNO_OVERRIDE_INIT -Wno-override-init"])         # gcc
+AX_CHECK_COMPILE_FLAG([-Winitializer-overrides],            [WNO_OVERRIDE_INIT="$WNO_OVERRIDE_INIT -Wno-initializer-overrides"]) # clang
 AC_SUBST([WNO_OVERRIDE_INIT])
 
 dnl