Mesa already defines _GNU_SOURCE for glibc based systems and defining
_GNU_SOURCE will break the Mesa build on other systems such as OpenBSD.
_GNU_SOURCE only seems to be included in llvm-config output when
LLVM is built via autoconf and not when it is built by cmake.
Cc: "10.2 10.3" <mesa-sta...@lists.freedesktop.org>
Signed-off-by: Jonathan Gray <j...@jsg.id.au>
---
configure.ac | 1 +
1 file changed, 1 insertion(+)
diff --git a/configure.ac b/configure.ac
index af950e7..0722114 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1650,6 +1650,7 @@ strip_unwanted_llvm_flags() {
# Use \> (marks the end of the word)
echo `$1` | sed \
-e 's/-DNDEBUG\>//g' \
+ -e 's/-D_GNU_SOURCE\>//g' \
-e 's/-pedantic\>//g' \
-e 's/-Wcovered-switch-default\>//g' \
-e 's/-O.\>//g' \
--
1.9.3
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