| dnl =================================================================== |
| dnl Licensed to the Apache Software Foundation (ASF) under one |
| dnl or more contributor license agreements. See the NOTICE file |
| dnl distributed with this work for additional information |
| dnl regarding copyright ownership. The ASF licenses this file |
| dnl to you under the Apache License, Version 2.0 (the |
| dnl "License"); you may not use this file except in compliance |
| dnl with 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, |
| dnl software distributed under the License is distributed on an |
| dnl "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| dnl KIND, either express or implied. See the License for the |
| dnl specific language governing permissions and limitations |
| dnl under the License. |
| dnl =================================================================== |
| dnl |
| dnl Macros to find an Apache installation |
| dnl |
| dnl This will find an installed Apache. |
| dnl |
| dnl Note: If we don't have an installed Apache, then we can't install the |
| dnl (dynamic) mod_dav_svn.so module. |
| dnl |
| |
| AC_DEFUN(SVN_FIND_APACHE,[ |
| AC_REQUIRE([AC_CANONICAL_HOST]) |
| |
| HTTPD_WANTED_MMN="$1" |
| |
| HTTPD_WHITELIST_VER="$2" |
| |
| AC_MSG_CHECKING(for Apache module support via DSO through APXS) |
| AC_ARG_WITH(apxs, |
| [AS_HELP_STRING([[--with-apxs[=FILE]]], |
| [Build shared Apache modules. FILE is the optional |
| pathname to the Apache apxs tool; defaults to |
| "apxs".])], |
| [ |
| if test "$withval" = "yes"; then |
| APXS=apxs |
| else |
| APXS="$withval" |
| fi |
| APXS_EXPLICIT=1 |
| ]) |
| |
| if test -z "$APXS"; then |
| for i in /usr/local/apache2/bin /usr/local/apache/bin /usr/bin /usr/sbin ; do |
| if test -f "$i/apxs2"; then |
| APXS="$i/apxs2" |
| break |
| fi |
| if test -f "$i/apxs"; then |
| APXS="$i/apxs" |
| break |
| fi |
| done |
| fi |
| |
| if test -n "$APXS" && test "$APXS" != "no"; then |
| APXS_INCLUDE="`$APXS -q INCLUDEDIR`" |
| if test -r $APXS_INCLUDE/mod_dav.h; then |
| AC_MSG_RESULT(found at $APXS) |
| |
| AC_MSG_CHECKING([httpd version]) |
| AC_EGREP_CPP(VERSION_OKAY, |
| [ |
| #include "$APXS_INCLUDE/ap_mmn.h" |
| #if AP_MODULE_MAGIC_AT_LEAST($HTTPD_WANTED_MMN,0) |
| VERSION_OKAY |
| #endif], |
| [AC_MSG_RESULT([recent enough])], |
| [AC_MSG_RESULT([apache too old: mmn must be at least $HTTPD_WANTED_MMN]) |
| if test "$APXS_EXPLICIT" != ""; then |
| AC_MSG_ERROR([Apache APXS build explicitly requested, but apache version is too old]) |
| fi |
| APXS="" |
| ]) |
| |
| elif test "$APXS_EXPLICIT" != ""; then |
| AC_MSG_ERROR([no - APXS refers to an old version of Apache |
| Unable to locate $APXS_INCLUDE/mod_dav.h]) |
| else |
| AC_MSG_RESULT(no - Unable to locate $APXS_INCLUDE/mod_dav.h) |
| APXS="" |
| fi |
| else |
| AC_MSG_RESULT(no) |
| fi |
| |
| # check for some busted versions of mod_dav |
| # in particular 2.2.25, 2.4.5, and 2.4.6 had the following bugs which are |
| # troublesome for Subversion: |
| # PR 55304: https://issues.apache.org/bugzilla/show_bug.cgi?id=55304 |
| # PR 55306: https://issues.apache.org/bugzilla/show_bug.cgi?id=55306 |
| # PR 55397: https://issues.apache.org/bugzilla/show_bug.cgi?id=55397 |
| if test -n "$APXS" && test "$APXS" != "no"; then |
| AC_MSG_CHECKING([mod_dav version]) |
| HTTPD_MAJOR=`$SED -ne '/^#define AP_SERVER_MAJORVERSION_NUMBER/p' "$APXS_INCLUDE/ap_release.h" | $SED -e 's/^.*NUMBER *//'` |
| HTTPD_MINOR=`$SED -ne '/^#define AP_SERVER_MINORVERSION_NUMBER/p' "$APXS_INCLUDE/ap_release.h" | $SED -e 's/^.*NUMBER *//'` |
| HTTPD_PATCH=`$SED -ne '/^#define AP_SERVER_PATCHLEVEL_NUMBER/p' "$APXS_INCLUDE/ap_release.h" | $SED -e 's/^.*NUMBER *//'` |
| HTTPD_VERSION="${HTTPD_MAJOR}.${HTTPD_MINOR}.${HTTPD_PATCH}" |
| case "$HTTPD_VERSION" in |
| $HTTPD_WHITELIST_VER) |
| AC_MSG_RESULT([acceptable (whitelist)]) |
| ;; |
| 2.2.25 | 2.4.[[5-6]]) |
| AC_MSG_RESULT([broken]) |
| AC_MSG_ERROR([Apache httpd version $HTTPD_VERSION includes a broken mod_dav; use a newer version of httpd]) |
| ;; |
| 2.[[0-9]]*.[[0-9]]*) |
| AC_MSG_RESULT([acceptable]) |
| ;; |
| *) |
| AC_MSG_RESULT([unrecognised]) |
| AC_MSG_ERROR([Apache httpd version $HTTPD_VERSION not recognised]) |
| ;; |
| esac |
| fi |
| |
| if test -n "$APXS" && test "$APXS" != "no"; then |
| AC_MSG_CHECKING([whether Apache version is compatible with APR version]) |
| apr_major_version="${apr_version%%.*}" |
| case "$apr_major_version" in |
| 0) |
| apache_minor_version_wanted_regex="0" |
| ;; |
| 1) |
| apache_minor_version_wanted_regex=["[1-5]"] |
| ;; |
| 2) |
| apache_minor_version_wanted_regex=["[3-5]"] |
| ;; |
| *) |
| AC_MSG_ERROR([unknown APR version]) |
| ;; |
| esac |
| case $HTTPD_MINOR in |
| $apache_minor_version_wanted_regex) |
| AC_MSG_RESULT([yes]) |
| ;; |
| *) |
| AC_MSG_RESULT([no]) |
| AC_MSG_ERROR([Apache version $HTTPD_VERSION incompatible with APR version $apr_version]) |
| ;; |
| esac |
| fi |
| |
| AC_ARG_WITH(apache-libexecdir, |
| [AS_HELP_STRING([[--with-apache-libexecdir[=PATH]]], |
| [Install Apache modules to Apache's configured |
| modules directory instead of LIBEXECDIR; |
| if PATH is given, install to PATH.])], |
| [APACHE_LIBEXECDIR="$withval"],[APACHE_LIBEXECDIR='no']) |
| |
| INSTALL_APACHE_MODS=false |
| if test -n "$APXS" && test "$APXS" != "no"; then |
| APXS_CC="`$APXS -q CC`" |
| APACHE_INCLUDES="$APACHE_INCLUDES -I$APXS_INCLUDE" |
| |
| if test "$APACHE_LIBEXECDIR" = 'no'; then |
| APACHE_LIBEXECDIR="$libexecdir" |
| elif test "$APACHE_LIBEXECDIR" = 'yes'; then |
| APACHE_LIBEXECDIR="`$APXS -q libexecdir`" |
| fi |
| |
| AC_CHECK_HEADERS(unistd.h, [AC_CHECK_FUNCS(getpid)], []) |
| |
| MMN_MAJOR=`$SED -ne '/^#define MODULE_MAGIC_NUMBER_MAJOR/p' "$APXS_INCLUDE/ap_mmn.h" | $SED -e 's/^.*MAJOR *//'` |
| MMN_MINOR=`$SED -ne '/^#define MODULE_MAGIC_NUMBER_MINOR/p' "$APXS_INCLUDE/ap_mmn.h" | $SED -e 's/^.*MINOR *//' | $SED -e 's/ .*//'` |
| if test "$MMN_MAJOR" = "20120211" && test "$MMN_MINOR" -lt "47" ; then |
| # This is httpd 2.4 and it doesn't appear to have the required |
| # API but the installation may have been patched. |
| AC_ARG_ENABLE(broken-httpd-auth, |
| AS_HELP_STRING([--enable-broken-httpd-auth], |
| [Force build against httpd 2.4 with broken auth. (This |
| is not recommended as Subversion will be vulnerable to |
| CVE-2015-3184.)]), |
| [broken_httpd_auth=$enableval],[broken_httpd_auth=no]) |
| AC_MSG_CHECKING([for ap_some_authn_required]) |
| old_CPPFLAGS="$CPPFLAGS" |
| CPPFLAGS="$CPPFLAGS $APACHE_INCLUDES $SVN_APR_INCLUDES" |
| AC_EGREP_CPP([int.*\sap_some_authn_required\s*\(], |
| [#include "http_request.h"], |
| [AC_MSG_RESULT([yes]) |
| working_auth=yes], |
| [AC_MSG_RESULT([no])]) |
| CPPFLAGS="$old_CPPFLAGS" |
| if test "$working_auth" = "yes" ; then |
| AC_DEFINE(SVN_USE_FORCE_AUTHN, 1, |
| [Defined to build with patched httpd 2.4 and working auth]) |
| elif test "$enable_broken_httpd_auth" = "yes"; then |
| AC_MSG_WARN([==============================================]) |
| AC_MSG_WARN([Apache httpd $HTTPD_VERSION MMN $MMN_MAJOR.$MMN_MINOR]) |
| AC_MSG_WARN([Subversion will be vulnerable to CVE-2015-3184]) |
| AC_MSG_WARN([==============================================]) |
| AC_DEFINE(SVN_ALLOW_BROKEN_HTTPD_AUTH, 1, |
| [Defined to build against httpd 2.4 with broken auth]) |
| else |
| AC_MSG_ERROR([Apache httpd $HTTPD_VERSION MMN $MMN_MAJOR.$MMN_MINOR has broken auth (CVE-2015-3184)]) |
| fi |
| fi |
| |
| BUILD_APACHE_RULE=apache-mod |
| INSTALL_APACHE_RULE=install-mods-shared |
| INSTALL_APACHE_MODS=true |
| case $host in |
| *-*-cygwin*) |
| APACHE_LDFLAGS="-shrext .so" |
| ;; |
| esac |
| elif test x"$APXS" != x"no"; then |
| echo "==================================================================" |
| echo "WARNING: skipping the build of mod_dav_svn" |
| echo " try using --with-apxs" |
| echo "==================================================================" |
| fi |
| |
| AC_SUBST(APXS) |
| AC_SUBST(APACHE_LDFLAGS) |
| AC_SUBST(APACHE_INCLUDES) |
| AC_SUBST(APACHE_LIBEXECDIR) |
| AC_SUBST(INSTALL_APACHE_MODS) |
| AC_SUBST(HTTPD_VERSION) |
| |
| # there aren't any flags that interest us ... |
| #if test -n "$APXS" && test "$APXS" != "no"; then |
| # CFLAGS="$CFLAGS `$APXS -q CFLAGS CFLAGS_SHLIB`" |
| #fi |
| |
| if test -n "$APXS_CC" && test "$APXS_CC" != "$CC" ; then |
| echo "==================================================================" |
| echo "WARNING: You have chosen to compile Subversion with a different" |
| echo " compiler than the one used to compile Apache." |
| echo "" |
| echo " Current compiler: $CC" |
| echo " Apache's compiler: $APXS_CC" |
| echo "" |
| echo "This could cause some problems." |
| echo "==================================================================" |
| fi |
| |
| ]) |
