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build system: don't use -fipa-icf optimization on i686 mingw target

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The result are segfaulting executables.
This commit is contained in:
Moritz Bunkus 2016-12-22 17:50:57 +01:00
parent d6d9f4007e
commit cfe6e85eb6
1 changed files with 4 additions and 5 deletions
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9
ac/debugging_profiling.m4
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@ -36,18 +36,17 @@ fi
if test x"$enable_optimization" = xyes; then
if test x"$ac_cv_compiler_is_clang" = xyes; then
opt_features_no="$opt_features_no\n * full optimization: due to bug 11962 in LLVM/clang only -O1 will be used for optimization"
opt_features_yes="$opt_features_yes\n * compiler optimizations (-O1)"
OPTIMIZATION_CFLAGS="-O1"
elif test "x$ac_cv_mingw32" = "xyes" -a "x$MINGW_PROCESSOR_ARCH" = "xx86" && check_version 5.1.0 $ac_cv_gcc_version; then
OPTIMIZATION_CFLAGS="-O2"
opt_features_no="$opt_features_no\n * full optimization: due to an issue in mingw g++ only -O2 will be used for optimization"
opt_features_yes="$opt_features_yes\n * compiler optimizations (-O2)"
OPTIMIZATION_CFLAGS="-O2 -fno-ipa-icf"
opt_features_no="$opt_features_no\n * full optimization: due to an issue in mingw g++ full optimization cannot be used"
else
OPTIMIZATION_CFLAGS="-O3"
opt_features_yes="$opt_features_yes\n * compiler optimizations (-O3)"
fi
opt_features_yes="$opt_features_yes\n * compiler optimizations ($OPTIMIZATION_CFLAGS)"
else
opt_features_no="$opt_features_no\n * compiler optimizations"
fi