Mercurial > hg > openttd
changeset 19768:ebddbfbbb935 draft
(svn r24701) -Fix [FS#5246]: Workaround an overoptimisation done by GCC 4.5
| author | smatz <smatz@openttd.org> |
|---|---|
| date | Sun, 11 Nov 2012 17:39:54 +0000 (2012-11-11) |
| parents | 2a11204038e3 |
| children | 0abcb662c2a0 |
| files | config.lib |
| diffstat | 1 files changed, 6 insertions(+), 0 deletions(-) [+] |
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--- a/config.lib +++ b/config.lib @@ -1350,6 +1350,12 @@ cxxflags="$cxxflags -std=gnu++0x" fi + if [ $cc_version -eq 45 ]; then + # Prevent optimisation supposing enums are in a range specified by the standard + # For details, see http://gcc.gnu.org/PR43680 + flags="$flags -fno-tree-vrp" + fi + if [ $cc_version -ge 47 ]; then # Disable -Wnarrowing which gives many warnings, such as: # warning: narrowing conversion of '...' from 'unsigned int' to 'int' inside { } [-Wnarrowing]