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. dnl # start of module specific part APACHE_MODPATH_INIT(http2) dnl # list of module object files http2_objs="dnl mod_http2.lo dnl h2_bucket_beam.lo dnl h2_bucket_eos.lo dnl h2_c1.lo dnl h2_c1_io.lo dnl h2_c2.lo dnl h2_c2_filter.lo dnl h2_config.lo dnl h2_conn_ctx.lo dnl h2_headers.lo dnl h2_mplx.lo dnl h2_protocol.lo dnl h2_push.lo dnl h2_request.lo dnl h2_session.lo dnl h2_stream.lo dnl h2_switch.lo dnl h2_util.lo dnl h2_workers.lo dnl h2_ws.lo dnl " dnl dnl APACHE_CHECK_NGHTTP2 dnl dnl Configure for nghttp2, giving preference to dnl "--with-nghttp2=" if it was specified. dnl AC_DEFUN([APACHE_CHECK_NGHTTP2],[ AC_CACHE_CHECK([for nghttp2], [ac_cv_nghttp2], [ dnl initialise the variables we use ac_cv_nghttp2=no ap_nghttp2_found="" ap_nghttp2_base="" ap_nghttp2_libs="" dnl Determine the nghttp2 base directory, if any AC_MSG_CHECKING([for user-provided nghttp2 base directory]) AC_ARG_WITH(nghttp2, APACHE_HELP_STRING(--with-nghttp2=PATH, nghttp2 installation directory), [ dnl If --with-nghttp2 specifies a directory, we use that directory if test "x$withval" != "xyes" -a "x$withval" != "x"; then dnl This ensures $withval is actually a directory and that it is absolute ap_nghttp2_base="`cd $withval ; pwd`" fi ]) if test "x$ap_nghttp2_base" = "x"; then AC_MSG_RESULT(none) else AC_MSG_RESULT($ap_nghttp2_base) fi dnl Run header and version checks saved_CPPFLAGS="$CPPFLAGS" saved_LIBS="$LIBS" saved_LDFLAGS="$LDFLAGS" dnl Before doing anything else, load in pkg-config variables if test -n "$PKGCONFIG"; then saved_PKG_CONFIG_PATH="$PKG_CONFIG_PATH" AC_MSG_CHECKING([for pkg-config along $PKG_CONFIG_PATH]) if test "x$ap_nghttp2_base" != "x" ; then if test -f "${ap_nghttp2_base}/lib/pkgconfig/libnghttp2.pc"; then dnl Ensure that the given path is used by pkg-config too, otherwise dnl the system libnghttp2.pc might be picked up instead. PKG_CONFIG_PATH="${ap_nghttp2_base}/lib/pkgconfig${PKG_CONFIG_PATH+:}${PKG_CONFIG_PATH}" export PKG_CONFIG_PATH elif test -f "${ap_nghttp2_base}/lib64/pkgconfig/libnghttp2.pc"; then dnl Ensure that the given path is used by pkg-config too, otherwise dnl the system libnghttp2.pc might be picked up instead. PKG_CONFIG_PATH="${ap_nghttp2_base}/lib64/pkgconfig${PKG_CONFIG_PATH+:}${PKG_CONFIG_PATH}" export PKG_CONFIG_PATH fi fi AC_ARG_ENABLE(nghttp2-staticlib-deps,APACHE_HELP_STRING(--enable-nghttp2-staticlib-deps,[link mod_http2 with dependencies of libnghttp2's static libraries (as indicated by "pkg-config --static"). Must be specified in addition to --enable-http2.]), [ if test "$enableval" = "yes"; then PKGCONFIG_LIBOPTS="--static" fi ]) ap_nghttp2_libs="`$PKGCONFIG $PKGCONFIG_LIBOPTS --libs-only-l --silence-errors libnghttp2`" if test $? -eq 0; then ap_nghttp2_found="yes" pkglookup="`$PKGCONFIG --cflags-only-I libnghttp2`" APR_ADDTO(CPPFLAGS, [$pkglookup]) APR_ADDTO(MOD_CFLAGS, [$pkglookup]) pkglookup="`$PKGCONFIG $PKGCONFIG_LIBOPTS --libs-only-L libnghttp2`" APR_ADDTO(LDFLAGS, [$pkglookup]) APR_ADDTO(MOD_LDFLAGS, [$pkglookup]) pkglookup="`$PKGCONFIG $PKGCONFIG_LIBOPTS --libs-only-other libnghttp2`" APR_ADDTO(LDFLAGS, [$pkglookup]) APR_ADDTO(MOD_LDFLAGS, [$pkglookup]) fi PKG_CONFIG_PATH="$saved_PKG_CONFIG_PATH" fi dnl fall back to the user-supplied directory if not found via pkg-config if test "x$ap_nghttp2_base" != "x" -a "x$ap_nghttp2_found" = "x"; then APR_ADDTO(CPPFLAGS, [-I$ap_nghttp2_base/include]) APR_ADDTO(MOD_CFLAGS, [-I$ap_nghttp2_base/include]) APR_ADDTO(LDFLAGS, [-L$ap_nghttp2_base/lib]) APR_ADDTO(MOD_LDFLAGS, [-L$ap_nghttp2_base/lib]) if test "x$ap_platform_runtime_link_flag" != "x"; then APR_ADDTO(LDFLAGS, [$ap_platform_runtime_link_flag$ap_nghttp2_base/lib]) APR_ADDTO(MOD_LDFLAGS, [$ap_platform_runtime_link_flag$ap_nghttp2_base/lib]) fi fi AC_MSG_CHECKING([for nghttp2 version >= 1.2.1]) AC_TRY_COMPILE([#include ],[ #if !defined(NGHTTP2_VERSION_NUM) #error "Missing nghttp2 version" #endif #if NGHTTP2_VERSION_NUM < 0x010201 #error "Unsupported nghttp2 version " NGHTTP2_VERSION_TEXT #endif], [AC_MSG_RESULT(OK) ac_cv_nghttp2=yes], [AC_MSG_RESULT(FAILED)]) if test "x$ac_cv_nghttp2" = "xyes"; then ap_nghttp2_libs="${ap_nghttp2_libs:--lnghttp2} `$apr_config --libs`" APR_ADDTO(MOD_LDFLAGS, [$ap_nghttp2_libs]) APR_ADDTO(LIBS, [$ap_nghttp2_libs]) dnl Run library and function checks liberrors="" AC_CHECK_HEADERS([nghttp2/nghttp2.h]) AC_CHECK_FUNCS([nghttp2_session_server_new2], [], [liberrors="yes"]) if test "x$liberrors" != "x"; then AC_MSG_WARN([nghttp2 library is unusable]) fi dnl # nghttp2 >= 1.3.0: access to stream weights AC_CHECK_FUNCS([nghttp2_stream_get_weight], [], [liberrors="yes"]) if test "x$liberrors" != "x"; then AC_MSG_WARN([nghttp2 version >= 1.3.0 is required]) fi dnl # nghttp2 >= 1.5.0: changing stream priorities AC_CHECK_FUNCS([nghttp2_session_change_stream_priority], [APR_ADDTO(MOD_CPPFLAGS, ["-DH2_NG2_CHANGE_PRIO"])], []) dnl # nghttp2 >= 1.14.0: invalid header callback AC_CHECK_FUNCS([nghttp2_session_callbacks_set_on_invalid_header_callback], [APR_ADDTO(MOD_CPPFLAGS, ["-DH2_NG2_INVALID_HEADER_CB"])], []) dnl # nghttp2 >= 1.15.0: get/set stream window sizes AC_CHECK_FUNCS([nghttp2_session_get_stream_local_window_size], [APR_ADDTO(MOD_CPPFLAGS, ["-DH2_NG2_LOCAL_WIN_SIZE"])], []) dnl # nghttp2 >= 1.15.0: don't keep info on closed streams AC_CHECK_FUNCS([nghttp2_option_set_no_closed_streams], [APR_ADDTO(MOD_CPPFLAGS, ["-DH2_NG2_NO_CLOSED_STREAMS"])], []) dnl # nghttp2 >= 1.50.0: rfc9113 leading/trailing whitespec strictness AC_CHECK_FUNCS([nghttp2_option_set_no_rfc9113_leading_and_trailing_ws_validation], [APR_ADDTO(MOD_CPPFLAGS, ["-DH2_NG2_RFC9113_STRICTNESS"])], []) else AC_MSG_WARN([nghttp2 version is too old]) fi dnl restore CPPFLAGS="$saved_CPPFLAGS" LIBS="$saved_LIBS" LDFLAGS="$saved_LDFLAGS" ]) if test "x$ac_cv_nghttp2" = "xyes"; then AC_DEFINE(HAVE_NGHTTP2, 1, [Define if nghttp2 is available]) fi ]) dnl # hook module into the Autoconf mechanism (--enable-http2) APACHE_MODULE(http2, [HTTP/2 protocol handling in addition to HTTP protocol handling. Implemented by mod_http2. This module requires a libnghttp2 installation. See --with-nghttp2 on how to manage non-standard locations. This module is usually linked shared and requires loading. ], $http2_objs, , most, [ APACHE_CHECK_OPENSSL if test "$ac_cv_openssl" = "yes" ; then APR_ADDTO(MOD_CPPFLAGS, ["-DH2_OPENSSL"]) fi APACHE_CHECK_NGHTTP2 if test "$ac_cv_nghttp2" = "yes" ; then if test "x$enable_http2" = "xshared"; then # The only symbol which needs to be exported is the module # structure, so ask libtool to hide everything else: APR_ADDTO(MOD_HTTP2_LDADD, [-export-symbols-regex http2_module]) fi else enable_http2=no fi ]) # Ensure that other modules can pick up mod_http2.h # icing: hold back for now until it is more stable #APR_ADDTO(INCLUDES, [-I\$(top_srcdir)/$modpath_current]) dnl # list of module object files proxy_http2_objs="dnl mod_proxy_http2.lo dnl h2_proxy_session.lo dnl h2_proxy_util.lo dnl " dnl # hook module into the Autoconf mechanism (--enable-proxy_http2) APACHE_MODULE(proxy_http2, [HTTP/2 proxy module. This module requires a libnghttp2 installation. See --with-nghttp2 on how to manage non-standard locations. Also requires --enable-proxy.], $proxy_http2_objs, , no, [ APACHE_CHECK_NGHTTP2 if test "$ac_cv_nghttp2" = "yes" ; then if test "x$enable_http2" = "xshared"; then # The only symbol which needs to be exported is the module # structure, so ask libtool to hide everything else: APR_ADDTO(MOD_PROXY_HTTP2_LDADD, [-export-symbols-regex proxy_http2_module]) fi else enable_proxy_http2=no fi ], proxy) dnl # end of module specific part APACHE_MODPATH_FINISH