datapath: Add basic MPLS support to kernel

[cascardo/ovs.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 4bf69e8..9a86507 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -21,7 +21,7 @@ AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_TESTDIR([tests])
 AM_INIT_AUTOMAKE
 
-AC_PROG_CC
+AC_PROG_CC_C99
 AM_PROG_CC_C_O
 AC_PROG_CPP
 AC_PROG_MKDIR_P