Restore AC_PROG_CC_STDC to configure.ac

We do require C99 (or greater) to compile the runtime system and gcc 4.8.4 on Ubuntu 14.04 (as provided by TravisCI) defaults to "-std=gnu90".
MLton · Dec 8, 2017 · 31aeba9 · 31aeba9
1 parent cabaa6e
commit 31aeba9
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/configure.ac b/configure.ac
@@ -40,6 +40,7 @@ AC_CONFIG_HEADERS([config.h])
 ###############################################################################
 
 AC_PROG_CC
+AC_PROG_CC_STDC
 AC_PROG_INSTALL
 AC_PROG_LN_S
 AC_PROG_MAKE_SET