diff options
| -rw-r--r-- | config.lib | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/config.lib b/config.lib index d9dab6cc7..1ea1f6dc8 100644 --- a/config.lib +++ b/config.lib @@ -1198,6 +1198,12 @@ make_compiler_cflags() { fi fi + if [ $cc_version -ge 34 ]; then + # Warn when a variable is used to initialise itself: + # int a = a; + flags="$flags -Winit-self" + fi + if [ $cc_version -ge 40 ]; then # GCC 4.0+ complains about that we break strict-aliasing. # On most places we don't see how to fix it, and it doesn't |