dnl Licensed to the Apache Software Foundation (ASF) under one or more

dnl contributor license agreements. See the NOTICE file distributed with

dnl this work for additional information regarding copyright ownership.

dnl The ASF licenses this file to You under the Apache License, Version 2.0

dnl (the "License"); you may not use this file except in compliance with

dnl the License. You may obtain a copy of the License at

dnl

dnl http://www.apache.org/licenses/LICENSE-2.0

dnl

dnl Unless required by applicable law or agreed to in writing, software

dnl distributed under the License is distributed on an "AS IS" BASIS,

dnl WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

dnl See the License for the specific language governing permissions and

dnl limitations under the License.

AC_DEFUN([CHECK_DISTCACHE], [

AC_MSG_CHECKING(whether Distcache is required)

ap_ssltk_dc="no"

tmp_nomessage=""

tmp_forced="no"

AC_ARG_ENABLE(distcache,

APACHE_HELP_STRING(--enable-distcache,Select distcache support in mod_ssl),

ap_ssltk_dc="$enableval"

tmp_nomessage=""

tmp_forced="yes"

if test "x$ap_ssltk_dc" = "x"; then

ap_ssltk_dc="yes"

dnl our "error"s become "tests revealed that..."

tmp_forced="no"

fi

if test "$ap_ssltk_dc" != "yes" -a "$ap_ssltk_dc" != "no"; then

tmp_nomessage="--enable-distcache had illegal syntax - disabling"

ap_ssltk_dc="no"

fi)

if test "$tmp_forced" = "no"; then

AC_MSG_RESULT($ap_ssltk_dc (default))

else

AC_MSG_RESULT($ap_ssltk_dc (specified))

fi

if test "$tmp_forced" = "yes" -a "x$ap_ssltk_dc" = "xno" -a "x$tmp_nomessage" != "x"; then

AC_MSG_ERROR(distcache support failed: $tmp_nomessage)

fi

if test "$ap_ssltk_dc" = "yes"; then

AC_CHECK_HEADER(

[distcache/dc_client.h],

[],

[tmp_nomessage="can't include distcache headers"

ap_ssltk_dc="no"])

if test "$tmp_forced" = "yes" -a "x$ap_ssltk_dc" = "xno"; then

AC_MSG_ERROR(distcache support failed: $tmp_nomessage)

fi

fi

if test "$ap_ssltk_dc" = "yes"; then

AC_MSG_CHECKING(for Distcache version)

AC_TRY_COMPILE(

[#include <distcache/dc_client.h>],

[#if DISTCACHE_CLIENT_API != 0x0001

#error "distcache API version is unrecognised"

#endif],

[],

[tmp_nomessage="distcache has an unsupported API version"

ap_ssltk_dc="no"])

AC_MSG_RESULT($ap_ssltk_dc)

if test "$tmp_forced" = "yes" -a "x$ap_ssltk_dc" = "xno"; then

AC_MSG_ERROR(distcache support failed: $tmp_nomessage)

fi

fi

if test "$ap_ssltk_dc" = "yes"; then

AC_MSG_CHECKING(for Distcache libraries)

save_libs=$LIBS

LIBS="$LIBS -ldistcache -lnal"

AC_TRY_LINK(

[#include <distcache/dc_client.h>],

[DC_CTX *foo = DC_CTX_new((const char *)0,0);],

[],

[tmp_no_message="failed to link with distcache libraries"

ap_ssltk_dc="no"])

LIBS=$save_libs

AC_MSG_RESULT($ap_ssltk_dc)

if test "$tmp_forced" = "yes" -a "x$ap_ssltk_dc" = "xno"; then

AC_MSG_ERROR(distcache support failed: $tmp_nomessage)

else

APR_ADDTO(MOD_SSL_LDADD, [-ldistcache -lnal])

AC_DEFINE(HAVE_DISTCACHE, 1, [Define if distcache support is enabled])

fi

fi

])

AC_DEFUN([CHECK_SSL_MEMCACHE], [

AC_MSG_CHECKING(for ssl session caching in memcache)

ap_ssltk_mc="no"

tmp_nomessage=""

tmp_forced="no"

AC_ARG_ENABLE(ssl-memcache,

APACHE_HELP_STRING(--enable-ssl-memcache,Select memcache support in mod_ssl),

ap_ssltk_mc="$enableval"

tmp_nomessage=""

tmp_forced="yes"

if test "x$ap_ssltk_mc" = "x"; then

ap_ssltk_mc="yes"

dnl our "error"s become "tests revealed that..."

tmp_forced="no"

fi

if test "$ap_ssltk_mc" != "yes" -a "$ap_ssltk_mc" != "no"; then

tmp_nomessage="--enable-ssl-cache-memcache had illegal syntax - disabling"

ap_ssltk_mc="no"

fi)

if test "$tmp_forced" = "no"; then

AC_MSG_RESULT($ap_ssltk_mc (default))

else

AC_MSG_RESULT($ap_ssltk_mc (specified))

fi

if test "$tmp_forced" = "yes" -a "x$ap_ssltk_mc" = "xno" -a "x$tmp_nomessage" != "x"; then

AC_MSG_ERROR(ssl memcache support failed: $tmp_nomessage)

fi

if test "$ap_ssltk_mc" = "yes"; then

save_cpp=$CPPFLAGS

CPPFLAGS="$CPPFLAGS $APR_INCLUDES $APU_INCLUDES"

AC_CHECK_HEADER(

[apr_memcache.h],

[],

[tmp_nomessage="can't include apr_memcache headers"

ap_ssltk_mc="no"])

CPPFLAGS=$save_cpp

if test "$tmp_forced" = "yes" -a "x$ap_ssltk_mc" = "xno"; then

AC_MSG_ERROR(ssl memcache support failed: $tmp_nomessage)

fi

fi

if test "$ap_ssltk_mc" = "yes"; then

AC_DEFINE(HAVE_SSL_CACHE_MEMCACHE, 1, [Define if ssl-memcache support is enabled])

fi

])

AC_DEFUN([CHECK_OCSP], [

AC_CHECK_HEADERS(openssl/ocsp.h,

[AC_DEFINE([HAVE_OCSP], 1, [Define if OCSP is supported by OpenSSL])]

)

])

dnl # start of module specific part

APACHE_MODPATH_INIT(ssl)

dnl # list of module object files

ssl_objs="dnl

mod_ssl.lo dnl

ssl_engine_config.lo dnl

ssl_engine_dh.lo dnl

ssl_engine_init.lo dnl

ssl_engine_io.lo dnl

ssl_engine_kernel.lo dnl

ssl_engine_log.lo dnl

ssl_engine_mutex.lo dnl

ssl_engine_pphrase.lo dnl

ssl_engine_rand.lo dnl

ssl_engine_vars.lo dnl

ssl_expr.lo dnl

ssl_expr_eval.lo dnl

ssl_expr_parse.lo dnl

ssl_expr_scan.lo dnl

ssl_scache.lo dnl

ssl_scache_dbm.lo dnl

ssl_scache_shmcb.lo dnl

ssl_scache_dc.lo dnl

ssl_scache_memcache.lo dnl

ssl_util.lo dnl

ssl_util_ssl.lo dnl

ssl_engine_ocsp.lo dnl

ssl_util_ocsp.lo dnl

"

dnl # hook module into the Autoconf mechanism (--enable-ssl option)

APACHE_MODULE(ssl, [SSL/TLS support (mod_ssl)], $ssl_objs, , no, [

APACHE_CHECK_SSL_TOOLKIT

APR_SETVAR(MOD_SSL_LDADD, [\$(SSL_LIBS)])

CHECK_DISTCACHE

CHECK_SSL_MEMCACHE

CHECK_OCSP

if test "x$enable_ssl" = "xshared"; then

# The only symbol which needs to be exported is the module

# structure, so ask libtool to hide everything else:

APR_ADDTO(MOD_SSL_LDADD, [-export-symbols-regex ssl_module])

fi

])

# Ensure that other modules can pick up mod_ssl.h

APR_ADDTO(INCLUDES, [-I\$(top_srcdir)/$modpath_current])

dnl # end of module specific part

APACHE_MODPATH_FINISH