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-rw-r--r--configure.ac12
1 files changed, 12 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index dec146e..3f87a46 100644
--- a/configure.ac
+++ b/configure.ac
@@ -523,6 +523,18 @@ GF_HOST_OS=""
GF_LDFLAGS="-rdynamic"
CFLAGS="-g"
+# check for gcc -Werror=format-security
+saved_CFLAGS=$CFLAGS
+CFLAGS="-Wformat -Werror=format-security"
+AC_MSG_CHECKING([whether $CC accepts -Werror=format-security])
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [cc_werror_format_security=yes], [cc_werror_format_security=no])
+echo $cc_werror_format_security
+if test "x$cc_werror_format_security" = "xno"; then
+ CFLAGS="$saved_CFLAGS"
+else
+ CFLAGS="$saved_CFLAGS $CFLAGS"
+fi
+
case $host_os in
linux*)
dnl GF_LINUX_HOST_OS=1