Make sure we have a C99 compiler

git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@3785 d4fa192b-c00b-0410-8231-f00ffab90ce4

diff --git a/varnish-cache/configure.ac b/varnish-cache/configure.ac
index 853a6fc6da8eab2233d47f65d32d74a1dfba582c..ce25b786c58df1417d1fc3c64f77c90810144b22 100644 (file)
--- a/varnish-cache/configure.ac
+++ b/varnish-cache/configure.ac
@@ -15,6 +15,10 @@ AM_INIT_AUTOMAKE([foreign])
 # Checks for programs.
 AC_GNU_SOURCE
 AC_PROG_CC
+AC_PROG_CC_STDC
+if test "x$ac_cv_prog_cc_c99" = xno; then
+  AC_MSG_ERROR([Could not find a C99 compatible compiler])
+fi
 AC_PROG_CPP
 AC_PROG_INSTALL
 AC_PROG_LIBTOOL