+2013-12-07 Paul Eggert <eggert@cs.ucla.edu>
+
+ md5, sha1, sha256, sha512: add 'auto', and a way to specify default
+ * m4/gl-openssl.m4 (gl_CRYPTO_CHECK):
+ Add support for a new option, --with-openssl=auto, which causes
+ the library to be used if available and silently ignored if not.
+ Add support to allow allow configure.ac to specify its own
+ default, by setting with_openssl_default before invoking gl_INIT.
+
2013-12-05 Paul Eggert <eggert@cs.ucla.edu>
open-tests: port to glibc with _FORTIFY_SOURCE and -O1
-# gl-openssl.m4 serial 1
+# gl-openssl.m4 serial 2
dnl Copyright (C) 2013 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
AC_DEFUN([gl_CRYPTO_CHECK],
[
+ m4_divert_text([DEFAULTS], [with_openssl_default=no])
+
AC_ARG_WITH([openssl],
[AS_HELP_STRING([--with-openssl],
[use libcrypto hash routines. Valid ARGs are:
- 'yes', 'no', 'optional' => use if available])],
+ 'yes', 'no', 'auto' => use if available,
+ 'optional' => use if available and warn if not available])],
[],
- [with_openssl=no])
+ [with_openssl=$with_openssl_default])
if test "x$1" = xMD5; then
ALG_header=md5.h
if test "x$with_openssl" != xno; then
AC_CHECK_LIB([crypto], [$1],
[AC_CHECK_HEADERS([openssl/$ALG_header],
- [LIB_CRYPTO='-lcrypto'
- AC_DEFINE([HAVE_OPENSSL_$1],[1],
- [Define to 1 if libcrypto is used for $1])])])
+ [LIB_CRYPTO=-lcrypto
+ AC_DEFINE([HAVE_OPENSSL_$1], [1],
+ [Define to 1 if libcrypto is used for $1.])])])
if test "x$LIB_CRYPTO" = x; then
if test "x$with_openssl" = xyes; then
AC_MSG_ERROR([openssl development library not found for $1])
- else
+ elif test "x$with_openssl" = xoptional; then
AC_MSG_WARN([openssl development library not found for $1])
fi
fi