put -std=c99 in CFLAGS_NODIST
diff --git a/configure.ac b/configure.ac
index 3f72369..cd598f0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1458,8 +1458,6 @@
SCO_SV*) OPT="$OPT -m486 -DSCO5"
;;
esac
-
- OPT="$OPT -std=c99"
;;
*)
@@ -1478,6 +1476,8 @@
# tweak BASECFLAGS based on compiler and platform
case $GCC in
yes)
+ CFLAGS_NODIST="$CFLAGS_NODIST -std=c99"
+
# Python doesn't violate C99 aliasing rules, but older versions of
# GCC produce warnings for legal Python code. Enable
# -fno-strict-aliasing on versions of GCC that support but produce