1# gc.m4 serial 10 2dnl Copyright (C) 2005-2016 Free Software Foundation, Inc. 3dnl This file is free software; the Free Software Foundation 4dnl gives unlimited permission to copy and/or distribute it, 5dnl with or without modifications, as long as this notice is preserved. 6 7AC_DEFUN([gl_GC], 8[ 9 AC_SUBST([LIB_CRYPTO]) 10 AC_ARG_WITH([libgcrypt], 11 AS_HELP_STRING([--with-libgcrypt], [use libgcrypt for low-level crypto]), 12 libgcrypt=$withval, libgcrypt=no) 13 if test "$libgcrypt" != no; then 14 # gc-libgcrypt.c will fail on startup if we don't have 15 # version 1.4.4 or later, so test for it early. */ 16 gl_good_gcrypt=no 17 m4_ifdef([AM_PATH_LIBGCRYPT], 18 [AM_PATH_LIBGCRYPT([1.4.4], [gl_good_gcrypt=yes], 19 [AC_MSG_ERROR([libgcrypt is too old])])]) 20 if test "x$gl_good_gcrypt" != xno; then 21 AC_LIB_HAVE_LINKFLAGS([gcrypt], [gpg-error], [#include <gcrypt.h>]) 22 else 23 AC_MSG_ERROR([libgcrypt not found]) 24 fi 25 fi 26]) 27