view m4/sha256.m4 @ 17632:86af85d364e1 default tip

unistd: port readlink to Mac OS X 10.3.9 * lib/unistd.in.h (_GL_INCLUDING_UNISTD_H): New macro, to work around self-include problem in Mac OS X 10.3.9 when combined with readlink module. Problem reported by Klaus Zietler in <http://bugs.gnu.org/16825>.
author Paul Eggert <eggert@penguin.cs.ucla.edu>
date Tue, 25 Feb 2014 11:16:27 -0800
parents 344018b6e5d7
children
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# sha256.m4 serial 8
dnl Copyright (C) 2005, 2008-2014 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.

AC_DEFUN([gl_SHA256],
[
  dnl Prerequisites of lib/sha256.c.
  AC_REQUIRE([gl_BIGENDIAN])

  dnl Determine HAVE_OPENSSL_SHA256 and LIB_CRYPTO
  gl_CRYPTO_CHECK([SHA256])
])