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configure: add support to nicely enable ftrapv

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-10-09 05:43:30 +02:00
parent b56f94cc36
commit e73bac484f
1 changed files with 4 additions and 0 deletions
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4
configure vendored
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@ -315,6 +315,7 @@ Developer options (useful when working on FFmpeg itself):
--valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
leaks and errors, using the specified valgrind binary.
Cannot be combined with --target-exec
--enable-ftrapv Trap arithmetic overflows
--samples=PATH location of test samples for FATE, if not set use
\$FATE_SAMPLES at make invocation time.
--enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
@ -1108,6 +1109,7 @@ CONFIG_LIST="
fft
fontconfig
frei0r
ftrapv
gnutls
gpl
gray
@ -3871,6 +3873,8 @@ check_optflags $optflags
check_optflags -fno-math-errno
check_optflags -fno-signed-zeros
enabled ftrapv && check_cflags -ftrapv
check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
int x;
EOF