You should check for the C compiler before you set CFLAGS. :)

--HG--
branch : SDL-1.2

configure.in

@@ -49,6 +49,20 @@ else
     AC_DEFINE(SDL_BYTEORDER, 1234)
 fi
 
+dnl Check for tools
+AC_LIBTOOL_WIN32_DLL
+AC_PROG_LIBTOOL
+AC_PROG_CC
+AC_PROG_CXX
+AC_PROG_INSTALL
+AC_PROG_MAKE_SET
+if test -z "$host_alias"; then
+    hostaliaswindres=
+else
+    hostaliaswindres="$host_alias-windres"
+fi
+AC_CHECK_PROGS(WINDRES, [windres $hostaliaswindres $host_os-windres])
+
 dnl Set up the compiler and linker flags
 INCLUDE="-I$srcdir/include"
 if test x$srcdir != x.; then
@@ -89,20 +103,6 @@ CPPFLAGS="$CPPFLAGS $EXTRA_CFLAGS"
 CFLAGS="$CFLAGS $EXTRA_CFLAGS"
 LDFLAGS="$LDFLAGS $EXTRA_LDFLAGS"
 
-dnl Check for tools
-AC_LIBTOOL_WIN32_DLL
-AC_PROG_LIBTOOL
-AC_PROG_CC
-AC_PROG_CXX
-AC_PROG_INSTALL
-AC_PROG_MAKE_SET
-if test -z "$host_alias"; then
-    hostaliaswindres=
-else
-    hostaliaswindres="$host_alias-windres"
-fi
-AC_CHECK_PROGS(WINDRES, [windres $hostaliaswindres $host_os-windres])
-
 dnl Check for compiler characteristics
 AC_C_CONST
 AC_C_INLINE