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-rwxr-xr-xcflags.SH14
1 files changed, 12 insertions, 2 deletions
diff --git a/cflags.SH b/cflags.SH
index abf721f75d..467d50245a 100755
--- a/cflags.SH
+++ b/cflags.SH
@@ -162,7 +162,7 @@ Intel*) ;; # # Is that you, Intel C++?
# XXX if -pedantic (or -pedantic-errors!) is ever added,
# the -Werror=declaration-after-statement can be removed
# since -std=c89 -pedantic implies the -Werror=...
-*) for opt in -ansi -std=c89 -W -Wextra \
+*) for opt in -ansi -std=c89 -Wextra -W \
-Werror=declaration-after-statement \
-Wc++-compat -Wwrite-strings
do
@@ -179,7 +179,17 @@ Intel*) ;; # # Is that you, Intel C++?
then
case "$opt" in
-std*) stdflags="$stdflags $opt" ;;
- *) warn="$warn $opt" ;;
+ *) case "$opt" in
+ -W)
+ # -Wextra is the modern form of -W, so add
+ # -W only if -Wextra is not there already.
+ case " $warn " in
+ *-Wextra*) ;;
+ *) warn="$warn opt" ;;
+ esac
+ ;;
+ *) warn="$warn $opt" ;;
+ esac
esac
fi
;;