File: inttypes_h.m4

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# inttypes_h.m4 serial 9
dnl Copyright (C) 1997-2004, 2006, 2008-2010 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 Paul Eggert.

# Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists,
# doesn't clash with <sys/types.h>, and declares uintmax_t.

AC_DEFUN([gl_AC_HEADER_INTTYPES_H],
[
  AC_CACHE_CHECK([for inttypes.h], [gl_cv_header_inttypes_h],
  [AC_TRY_COMPILE(
    [#include <sys/types.h>
#include <inttypes.h>],
    [uintmax_t i = (uintmax_t) -1; return !i;],
    [gl_cv_header_inttypes_h=yes],
    [gl_cv_header_inttypes_h=no])])
  if test $gl_cv_header_inttypes_h = yes; then
    AC_DEFINE_UNQUOTED([HAVE_INTTYPES_H_WITH_UINTMAX], [1],
      [Define if <inttypes.h> exists, doesn't clash with <sys/types.h>,
       and declares uintmax_t. ])
  fi
])