X-Git-Url: https://git.distorted.org.uk/~mdw/disorder/blobdiff_plain/1bce463aca30f9a111ed8f0e8ec0605e01311f89..33e95f039e696d2cfe6b673166a064e48ed1e341:/configure.ac

diff --git a/configure.ac b/configure.ac
index 03ba384..2522f45 100644
--- a/configure.ac
+++ b/configure.ac
@@ -46,6 +46,13 @@ AC_PROG_CC
 AC_SET_MAKE
 if test "x$GCC" = xyes; then
   gcc_werror=-Werror
+  case "$CC" in
+  *-std=* )
+    ;;
+  * )
+    CC="${CC} -std=gnu99"
+    ;;
+  esac
 else
   AC_MSG_ERROR([GNU C is required to build this program])
   gcc_werror=""