diff -up texlive-2012/source/texk/kpathsea/c-auto.in.than texlive-2012/source/texk/kpathsea/c-auto.in

diff -up texlive-2012/source/texk/kpathsea/configure.than texlive-2012/source/texk/kpathsea/configure

--- texlive-2012/source/texk/kpathsea/configure.than	2013-11-13 16:00:54.707154960 +0100

+++ texlive-2012/source/texk/kpathsea/configure	2013-11-13 16:11:07.692156501 +0100

@@ -13268,7 +13268,12 @@ $as_echo "$ac_cv_sizeof_long" >&6; }

 cat >>confdefs.h <<_ACEOF

-#define SIZEOF_LONG $ac_cv_sizeof_long

+#include <bits/wordsize.h>

+#if __WORDSIZE == 32

+#define SIZEOF_LONG 4

+#else

+#define SIZEOF_LONG 8

+#endif

 _ACEOF