ltl2ba-nix/m4/inttypes_h.m4
2018-07-06 14:27:08 +02:00

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# inttypes_h.m4 serial 10
dnl Copyright (C) 1997-2004, 2006, 2008-2018 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_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])])
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
])