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configure: Make warnings from -Wreturn-type fatal errors 

These warnings have no false positives and point to serious bugs.
(cherry picked from commit 99853cb8d4)

Conflicts:

	configure

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Diego Biurrun 2013-01-14 20:38:33 +01:00 committed by Michael Niedermayer
parent 119b7a6c7c
commit 691017b5c3
1 changed files with 2 additions and 0 deletions
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2
configure vendored
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@ -3360,11 +3360,13 @@ 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