configure.ac: remove -fcolor-diagnostics from LLVM flags

When LLVM is build with Clang, "llvm-config --cxxflags" contains the
-fcolor-diagnostics flag. It is not recognized by gcc and the build
fails. Fix by removing the flag.

Signed-off-by: Markus Trippelsdorf <[email protected]>
Signed-off-by: Brian Paul <[email protected]>

1 files changed, 1 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
index 64816271e1f..b0e2b4c3844 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1546,6 +1546,7 @@ strip_unwanted_llvm_flags() {
 	-e 's/-O.\>//g' \
 	-e 's/-g\>//g' \
 	-e 's/-Wall\>//g' \
+	-e 's/-fcolor-diagnostics\>//g' \
 	-e 's/-fomit-frame-pointer\>//g'
 }