Make expat's configure detect if -ext o is needed (MW) so tests work correctly.

Had to move the CC test earlier for this to work, thus the huge configure changes.  Did use autoconf 2.57 though so it matches perfectly otherwise.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@33062 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/expat/configure.in

@@ -53,6 +53,10 @@ AC_CONFIG_HEADER(expat_config.h)
 sinclude(conftools/libtool.m4)
 sinclude(conftools/ac_c_bigendian_cross.m4)
 
+
+dnl Check for many C compilers (have to do this before libtool stuff)
+AC_BAKEFILE_PROG_CC
+
 AC_LIBTOOL_WIN32_DLL
 AC_PROG_LIBTOOL
 
@@ -61,7 +65,6 @@ AC_SUBST(LIBREVISION)
 AC_SUBST(LIBAGE)
 
 dnl Checks for programs.
-AC_PROG_CC
 AC_PROG_INSTALL
 
 if test "$GCC" = yes ; then