# stdint_h.m4 serial 9

dnl Copyright (C) 1997-2004, 2006, 2008-2020 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_STDINT_H_WITH_UINTMAX if <stdint.h> exists,

# doesn't clash with <sys/types.h>, and declares uintmax_t.

AC_DEFUN([gl_AC_HEADER_STDINT_H],

[

  AC_CACHE_CHECK([for stdint.h], [gl_cv_header_stdint_h],

    [AC_COMPILE_IFELSE(

       [AC_LANG_PROGRAM(

          [[#include <sys/types.h>

            #include <stdint.h>]],

          [[uintmax_t i = (uintmax_t) -1; return !i;]])],

       [gl_cv_header_stdint_h=yes],

       [gl_cv_header_stdint_h=no])])

  if test $gl_cv_header_stdint_h = yes; then

    AC_DEFINE_UNQUOTED([HAVE_STDINT_H_WITH_UINTMAX], [1],

      [Define if <stdint.h> exists, doesn't clash with <sys/types.h>,

       and declares uintmax_t. ])

  fi

])