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| author | smatz <smatz@openttd.org> | 2011-08-07 11:18:33 +0000 |
|---|---|---|
| committer | smatz <smatz@openttd.org> | 2011-08-07 11:18:33 +0000 |
| commit | 6e99c400879f2bd4dbf7f28b739c2e034fdcbeeb (patch) | |
| tree | 590f7edc177bb62c6f51d59c798a04180ca0cc08 | |
| parent | 6a87848809df45a186e791e7042c7523af378279 (diff) | |
| download | openttd-6e99c400879f2bd4dbf7f28b739c2e034fdcbeeb.tar.xz | |
(svn r22728) -Codechange: add -Wno-narrowing to cxxflags in order to prevent many useless warnings with GCC 4.7
| -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'` |