inttypes_h.m4 1020 Bytes
Newer Older
1
# inttypes_h.m4 serial 10
2
dnl Copyright (C) 1997-2004, 2006, 2008-2018 Free Software Foundation, Inc.
3 4 5
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.
6 7 8 9 10 11

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.

12
AC_DEFUN([gl_AC_HEADER_INTTYPES_H],
13
[
14
  AC_CACHE_CHECK([for inttypes.h], [gl_cv_header_inttypes_h],
15 16 17 18 19 20 21 22 23
    [AC_COMPILE_IFELSE(
       [AC_LANG_PROGRAM(
          [[
#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])])
Bruno Haible's avatar
Bruno Haible committed
24
  if test $gl_cv_header_inttypes_h = yes; then
25
    AC_DEFINE_UNQUOTED([HAVE_INTTYPES_H_WITH_UINTMAX], [1],
26 27 28 29
      [Define if <inttypes.h> exists, doesn't clash with <sys/types.h>,
       and declares uintmax_t. ])
  fi
])