Use AC_PROG_CC_STDC because we really need an ISO C compiler (Jim Meyering).

diff --git a/configure.ac b/configure.ac
index eab7faf..3bc2e9e 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -23,7 +23,7 @@ AC_CONFIG_MACRO_DIR([m4])
 AC_PROG_LIBTOOL
 
 dnl Check for basic C environment.
-AC_PROG_CC
+AC_PROG_CC_STDC
 AC_PROG_INSTALL
 AC_PROG_CPP