configure: Make warnings from -Wreturn-type fatal errors
authorDiego Biurrun <diego@biurrun.de>
Mon, 14 Jan 2013 19:38:33 +0000 (20:38 +0100)
committerMichael Niedermayer <michaelni@gmx.at>
Sun, 22 Sep 2013 20:52:12 +0000 (22:52 +0200)
These warnings have no false positives and point to serious bugs.
(cherry picked from commit 99853cb8d4237b810b2fffb4a34f66fd0064ef72)

Conflicts:

configure

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
configure

index b58e277..7070245 100755 (executable)
--- a/configure
+++ b/configure
@@ -3293,11 +3293,13 @@ elif enabled gcc; then
     check_cflags -fno-tree-vectorize
     check_cflags -Werror=implicit-function-declaration
     check_cflags -Werror=missing-prototypes
+    check_cflags -Werror=return-type
 elif enabled llvm_gcc; then
     check_cflags -mllvm -stack-alignment=16
 elif enabled clang; then
     check_cflags -mllvm -stack-alignment=16
     check_cflags -Qunused-arguments
+    check_cflags -Werror=return-type
 elif enabled armcc; then
     # 2523: use of inline assembler is deprecated
     add_cflags -W${armcc_opt},--diag_suppress=2523