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authorsmatz <smatz@openttd.org>2010-10-31 14:25:57 +0000
committersmatz <smatz@openttd.org>2010-10-31 14:25:57 +0000
commit15179978686721cfc9f51c1b8f2d6b95ae009492 (patch)
tree4afdda3d1c562700fccab76755ed32c5cc74dbd8
parent7e48d85104549cbb3604aa7eb262b922dbc3f640 (diff)
downloadopenttd-15179978686721cfc9f51c1b8f2d6b95ae009492.tar.xz
(svn r21062) -Codechange: append -Winit-self to compiler flags
-rw-r--r--config.lib6
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