[Mesa-dev] [PATCH 1/2] autoconf: Make the build fail on missing prototypes when possible.

[Eric Anholt]

You don't want to continue on when you've used something that is
probably a typo of a real symbol, or maybe just using the wrong
signature.
---
 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/configure.ac b/configure.ac
index 18a40fc..74e5fe4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -176,7 +176,7 @@ esac
 
 dnl Add flags for gcc and g++
 if test "x$GCC" = xyes; then
-    CFLAGS="$CFLAGS -Wall -Wmissing-prototypes -std=c99"
+    CFLAGS="$CFLAGS -Wall -Wmissing-prototypes -Werror=missing-prototypes -std=c99"
 
     # Enable -fvisibility=hidden if using a gcc that supports it
     save_CFLAGS="$CFLAGS"
-- 
1.7.7.3