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(svn r24701) -Fix [FS#5246]: Workaround an overoptimisation done by GCC 4.5

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smatz
2012-11-11 17:39:54 +00:00
parent 3b06409153
commit bc44866c59
1 changed files with 6 additions and 0 deletions
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6
config.lib
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@@ -1350,6 +1350,12 @@ make_compiler_cflags() {
cxxflags="$cxxflags -std=gnu++0x" cxxflags="$cxxflags -std=gnu++0x"
fi 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 if [ $cc_version -ge 47 ]; then
# Disable -Wnarrowing which gives many warnings, such as: # Disable -Wnarrowing which gives many warnings, such as:
# warning: narrowing conversion of '...' from 'unsigned int' to 'int' inside { } [-Wnarrowing] # warning: narrowing conversion of '...' from 'unsigned int' to 'int' inside { } [-Wnarrowing]