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Diffstat (limited to 'modules/http2/config2.m4')
| -rw-r--r-- | modules/http2/config2.m4 | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/modules/http2/config2.m4 b/modules/http2/config2.m4 new file mode 100644 index 0000000..f89f5ba --- /dev/null +++ b/modules/http2/config2.m4 @@ -0,0 +1,238 @@ +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 +" + +dnl +dnl APACHE_CHECK_NGHTTP2 +dnl +dnl Configure for nghttp2, giving preference to +dnl "--with-nghttp2=<path>" 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$ap_nghttp2_base/lib]) + fi + fi + + AC_MSG_CHECKING([for nghttp2 version >= 1.2.1]) + AC_TRY_COMPILE([#include <nghttp2/nghttp2ver.h>],[ +#if !defined(NGHTTP2_VERSION_NUM) +#error "Missing nghttp2 version" +#endif +#if NGHTTP2_VERSION_NUM < 0x010201 +#error "Unsupported nghttp2 version " NGHTTP2_VERSION_TEXT +#endif], + [AC_MSG_RESULT(OK) + ac_cv_nghttp2=yes], + [AC_MSG_RESULT(FAILED)]) + + if test "x$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 + |