Index: gcc/mpfr/m4/size_max.m4 |
diff --git a/gcc/mpfr/m4/size_max.m4 b/gcc/mpfr/m4/size_max.m4 |
deleted file mode 100644 |
index 6cb486892702e2a5abe567801226656bc95772c6..0000000000000000000000000000000000000000 |
--- a/gcc/mpfr/m4/size_max.m4 |
+++ /dev/null |
@@ -1,68 +0,0 @@ |
-# size_max.m4 serial 6 |
-dnl Copyright (C) 2003, 2005-2006 Free Software Foundation, Inc. |
-dnl This file is free software; the Free Software Foundation |
-dnl gives unlimited permission to copy and/or distribute it, |
-dnl with or without modifications, as long as this notice is preserved. |
- |
-dnl From Bruno Haible. |
- |
-AC_DEFUN([gl_SIZE_MAX], |
-[ |
- AC_CHECK_HEADERS(stdint.h) |
- dnl First test whether the system already has SIZE_MAX. |
- AC_MSG_CHECKING([for SIZE_MAX]) |
- AC_CACHE_VAL([gl_cv_size_max], [ |
- gl_cv_size_max= |
- AC_EGREP_CPP([Found it], [ |
-#include <limits.h> |
-#if HAVE_STDINT_H |
-#include <stdint.h> |
-#endif |
-#ifdef SIZE_MAX |
-Found it |
-#endif |
-], 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 << $size_t_bits_minus_1) - 1) * 2 + 1)" |
- fi |
- else |
- dnl Shouldn't happen, but who knows... |
- gl_cv_size_max='((size_t)~(size_t)0)' |
- fi |
- fi |
- ]) |
- AC_MSG_RESULT([$gl_cv_size_max]) |
- if test "$gl_cv_size_max" != yes; then |
- AC_DEFINE_UNQUOTED([SIZE_MAX], [$gl_cv_size_max], |
- [Define as the maximum value of type 'size_t', if the system doesn't define it.]) |
- fi |
-]) |
- |
-dnl Autoconf >= 2.61 has AC_COMPUTE_INT built-in. |
-dnl Remove this when we can assume autoconf >= 2.61. |
-m4_ifdef([AC_COMPUTE_INT], [], [ |
- AC_DEFUN([AC_COMPUTE_INT], [_AC_COMPUTE_INT([$2],[$1],[$3],[$4])]) |
-]) |