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| author | Thomas White <taw@bitwiz.org.uk> | 2009-09-20 21:37:02 +0100 |
|---|---|---|
| committer | Martin Jansa <Martin.Jansa@gmail.com> | 2010-02-18 15:39:25 +0100 |
| commit | cc85954bdcd0ac1a8ca15a71955ced1a5fe691ce (patch) | |
| tree | fc8b236d9b1dc0540eb76b0ff5e8b672a8e168d1 | |
| parent | dd990670444498c8a8ce2da35e099a490d7dd0b9 (diff) | |
Better workaround for GCC bug
The problem triggered by CLAMP (see 692fd8a500e0f9eadc703b29b0c7550f57863e29) appears
to be GCC bug #39501. A saner workaround than the previous one is to alter the compiler
options.
| -rw-r--r-- | configure.ac | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index be06adf5e5..501295b29f 100644 --- a/configure.ac +++ b/configure.ac @@ -98,6 +98,9 @@ dnl Add flags for gcc and g++ if test "x$GCC" = xyes; then CFLAGS="$CFLAGS -Wall -Wmissing-prototypes -std=c99 -ffast-math" + # Work around GCC bug #39501 + CFLAGS="$CFLAGS -fno-finite-math-only" + # Enable -fvisibility=hidden if using a gcc that supports it save_CFLAGS="$CFLAGS" AC_MSG_CHECKING([whether $CC supports -fvisibility=hidden]) @@ -111,6 +114,9 @@ fi if test "x$GXX" = xyes; then CXXFLAGS="$CXXFLAGS -Wall" + # Work around GCC bug #39501 + CXXFLAGS="$CXXFLAGS -fno-finite-math-only" + # Work around aliasing bugs - developers should comment this out CXXFLAGS="$CXXFLAGS -fno-strict-aliasing" fi |