--- Python-2.6.6_orig/configure	2011-05-17 22:54:24.000000000 +0200
+++ Python-2.6.6/configure	2011-05-17 22:51:35.000000000 +0200
@@ -6937,33 +6937,20 @@
 if test "${ac_cv_sizeof_off_t+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
-  if test "$cross_compiling" = yes; then :
-  ac_cv_sizeof_off_t=4
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <stdio.h>
-#include <sys/types.h>
-main()
-{
-  FILE *f=fopen("conftestval", "w");
-  if (!f) exit(1);
-  fprintf(f, "%d\n", sizeof(off_t));
-  exit(0);
-}
-_ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
-  ac_cv_sizeof_off_t=`cat conftestval`
+  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (off_t))" "ac_cv_sizeof_off_t"        "$ac_includes_default"; then :
+
 else
-  ac_cv_sizeof_off_t=0
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  if test "$ac_cv_type_off_t" = yes; then
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot compute sizeof (off_t)
+See \`config.log' for more details" "$LINENO" 5 ; }
+   else
+     ac_cv_sizeof_off_t=0
+   fi
 fi
 
-
 fi
-
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_off_t" >&5
 $as_echo "$ac_cv_sizeof_off_t" >&6; }