-AC_ARG_WITH(tests,
-[ --with-tests Run all the tests],
- if test x$withval != xno; then
- TEST_DIR=test
- fi,
- TEST_DIR=)
-AC_SUBST(TEST_DIR)
+AC_ARG_WITH(file-offset-size,
+[ --with-file-offset-size=BITS Set size of file offsets. Usually 32 or 64.
+ (default: 64 if available)],
+ preferred_off_t_bits=$withval,
+ preferred_off_t_bits=64)