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📄 argz.m4(2.55 KB)
📄 bison-i18n.m4(1.87 KB)
📄 codeset.m4(758 B)
📄 fontutil.m4(13.06 KB)
📄 freetype2.m4(6.2 KB)
📄 gettext.m4(14.37 KB)
📄 glibc2.m4(748 B)
📄 glibc21.m4(805 B)
📄 gpg-error.m4(2.46 KB)
📄 iconv.m4(5.98 KB)
📄 intdiv0.m4(2.27 KB)
📄 intl.m4(10.66 KB)
📄 intldir.m4(910 B)
📄 intlmacosx.m4(2.36 KB)
📄 intmax.m4(1.01 KB)
📄 inttypes-pri.m4(1.1 KB)
📄 inttypes_h.m4(932 B)
📄 lcmessage.m4(1.25 KB)
📄 lib-ld.m4(3.34 KB)
📄 lib-link.m4(29.04 KB)
📄 lib-prefix.m4(6.53 KB)
📄 libcurl.m4(8.98 KB)
📄 libgcrypt.m4(4.11 KB)
📄 libtool.m4(253.76 KB)
📄 libxml.m4(7.7 KB)
📄 libxslt.m4(7.93 KB)
📄 lock.m4(12.14 KB)
📄 longlong.m4(4.04 KB)
📄 ltdl.m4(25.96 KB)
📄 ltoptions.m4(11.66 KB)
📄 ltsugar.m4(4.27 KB)
📄 ltversion.m4(703 B)
📄 lt~obsolete.m4(5.57 KB)
📄 mysql.m4(4.53 KB)
📄 nls.m4(1.18 KB)
📄 pkg.m4(5.05 KB)
📄 po.m4(18.38 KB)
📄 printf-posix.m4(1.45 KB)
📄 progtest.m4(2.85 KB)
📄 size_max.m4(2.59 KB)
📄 stdint_h.m4(908 B)
📄 uintmax_t.m4(1.07 KB)
📄 visibility.m4(2.09 KB)
📄 wchar_t.m4(726 B)
📄 wint_t.m4(967 B)
📄 xsize.m4(421 B)

Editing: size_max.m4

# 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])])
])

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Editing: size_max.m4

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