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| -rw-r--r-- | config.lib | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/config.lib b/config.lib index 6fee37cca..523b6104c 100644 --- a/config.lib +++ b/config.lib @@ -1299,6 +1299,13 @@ make_compiler_cflags() { cxxflags="$cxxflags -std=gnu++0x" fi + if [ $cc_version -ge 47 ]; then + # Disable -Wnarrowing which gives many warnings, such as: + # warning: narrowing conversion of '...' from 'unsigned int' to 'int' inside { } [-Wnarrowing] + # They are valid according to the C++ standard, but useless. + cxxflags="$cxxflags -Wno-narrowing" + fi + if [ "$enable_lto" != "0" ]; then # GCC 4.5 outputs '%{flto}', GCC 4.6 outputs '%{flto*}' has_lto=`$1 -dumpspecs | grep '\%{flto'` |