-], gl_cv_size_max=yes)
- if test -z "$gl_cv_size_max"; then
- dnl Define it ourselves. Here we assume that the type 'size_t' is not wider
- dnl than the type 'unsigned long'. Try hard to find a definition that can
- dnl be used in a preprocessor #if, i.e. doesn't contain a cast.
- AC_COMPUTE_INT([size_t_bits_minus_1], [sizeof (size_t) * CHAR_BIT - 1],
- [#include <stddef.h>
-#include <limits.h>], size_t_bits_minus_1=)
- AC_COMPUTE_INT([fits_in_uint], [sizeof (size_t) <= sizeof (unsigned int)],
- [#include <stddef.h>], fits_in_uint=)
- if test -n "$size_t_bits_minus_1" && test -n "$fits_in_uint"; then
- if test $fits_in_uint = 1; then
- dnl Even though SIZE_MAX fits in an unsigned int, it must be of type
- dnl 'unsigned long' if the type 'size_t' is the same as 'unsigned long'.
- AC_TRY_COMPILE([#include <stddef.h>
- extern size_t foo;
- extern unsigned long foo;
- ], [], fits_in_uint=0)
- fi
- dnl We cannot use 'expr' to simplify this expression, because 'expr'
- dnl works only with 'long' integers in the host environment, while we
- dnl might be cross-compiling from a 32-bit platform to a 64-bit platform.
- if test $fits_in_uint = 1; then
- gl_cv_size_max="(((1U << $size_t_bits_minus_1) - 1) * 2 + 1)"
- else
- gl_cv_size_max="(((1UL << $size_t_bits_minus_1) - 1) * 2 + 1)"
- fi
+], result=yes)
+ if test -z "$result"; then
+ dnl Define it ourselves. Here we assume that the type 'size_t' is not wider
+ dnl than the type 'unsigned long'.
+ dnl The _AC_COMPUTE_INT macro works up to LONG_MAX, since it uses 'expr',
+ dnl which is guaranteed to work from LONG_MIN to LONG_MAX.
+ _AC_COMPUTE_INT([~(size_t)0 / 10], res_hi,
+ [#include <stddef.h>], result=?)
+ _AC_COMPUTE_INT([~(size_t)0 % 10], res_lo,
+ [#include <stddef.h>], result=?)
+ _AC_COMPUTE_INT([sizeof (size_t) <= sizeof (unsigned int)], fits_in_uint,
+ [#include <stddef.h>], result=?)
+ if test "$fits_in_uint" = 1; then
+ dnl Even though SIZE_MAX fits in an unsigned int, it must be of type
+ dnl 'unsigned long' if the type 'size_t' is the same as 'unsigned long'.
+ AC_TRY_COMPILE([#include <stddef.h>
+ extern size_t foo;
+ extern unsigned long foo;
+ ], [], fits_in_uint=0)
+ fi
+ if test -z "$result"; then
+ if test "$fits_in_uint" = 1; then
+ result="$res_hi$res_lo"U