File no_werror.patch of Package ipsec-tools
--- ipsec-tools-0.6-fixed/configure 2005-08-02 15:08:25.000000000 +0200
+++ ipsec-tools-0.6/configure 2005-08-03 11:40:47.000000000 +0200
@@ -20752,7 +20752,7 @@
-CFLAGS_ADD="$CFLAGS_ADD -Wall -Werror -Wno-unused"
+CFLAGS_ADD="$CFLAGS_ADD -Wall -Wno-unused"
case $host in
*netbsd*)
@@ -23288,7 +23288,7 @@
echo "$as_me:$LINENO: checking if printf accepts %z" >&5
echo $ECHO_N "checking if printf accepts %z... $ECHO_C" >&6
saved_CFLAGS=$CFLAGS
-CFLAGS="$CFLAGS -Wall -Werror"
+CFLAGS="$CFLAGS -Wall"
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF