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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 SVN_LIB_SERF(min_major_num, min_minor_num, min_micro_num)
dnl
dnl Search for a suitable version of serf. min_major_num,
dnl min_minor_num, and min_micro_num are used to determine
dnl if the serf library is at least that version.
dnl
dnl If a --with-serf option (no argument) or --with-serf=yes
dnl option is passed, then a search for serf on the system will be
dnl performed with pkg-config. If --with-serf=yes was actually passed
dnl then we error if we can't actually find serf.
dnl
dnl If a --with-serf=PREFIX option is passed search for a suitable
dnl serf installed on the system under that PREFIX. We will
dnl error if we can't find serf.
dnl
dnl If a --with-serf=no option is passed then no search will be
dnl conducted.
dnl
dnl If the search for serf fails, set svn_lib_serf to no, otherwise set
dnl it to yes.
dnl
AC_DEFUN(SVN_LIB_SERF,
[
serf_found=no
serf_required=no
serf_skip=no
serf_check_major="$1"
serf_check_minor="$2"
serf_check_patch="$3"
serf_check_version="$1.$2.$3"
AC_ARG_WITH(serf,AS_HELP_STRING([--with-serf=PREFIX],
[Serf HTTP client library (enabled by default if found)]),
[
if test "$withval" = "yes" ; then
serf_required=yes
elif test "$withval" = "no" ; then
serf_skip=yes
else
SVN_SERF_PREFIX_CONFIG()
fi
])
if test "$serf_skip" = "no" ; then
if test "$serf_found" = "no" ; then
SVN_SERF_PKG_CONFIG()
fi
AC_MSG_CHECKING([was serf enabled])
if test "$serf_found" = "yes"; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
SVN_DOWNLOAD_SERF()
if test "$serf_required" = "yes"; then
AC_MSG_ERROR([Serf was explicitly enabled but an appropriate version was not found.])
fi
fi
fi
svn_lib_serf=$serf_found
AC_SUBST(SVN_SERF_INCLUDES)
AC_SUBST(SVN_SERF_LIBS)
])
dnl SVN_SERF_PREFIX_CONFIG()
dnl Use user provided prefix to try and detect and configure serf
AC_DEFUN(SVN_SERF_PREFIX_CONFIG,
[
AC_MSG_NOTICE([serf library configuration via prefix])
serf_required=yes
serf_prefix=$withval
for serf_major in serf-2 serf-1; do
if ! test -d $serf_prefix/include/$serf_major; then continue; fi
save_cppflags="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $SVN_APR_INCLUDES $SVN_APRUTIL_INCLUDES -I$serf_prefix/include/$serf_major"
AC_CHECK_HEADERS(serf.h,[
save_ldflags="$LDFLAGS"
LDFLAGS="$LDFLAGS `SVN_REMOVE_STANDARD_LIB_DIRS(-L$serf_prefix/lib)`"
AC_CHECK_LIB($serf_major, serf_context_create,[
AC_TRY_COMPILE([
#include <stdlib.h>
#include "serf.h"
],[
#if ! SERF_VERSION_AT_LEAST($serf_check_major, $serf_check_minor, $serf_check_patch)
#error Serf version too old: need $serf_check_version
#endif
], [serf_found=yes], [AC_MSG_WARN([Serf version too old: need $serf_check_version])
serf_found=no])], ,
$SVN_APRUTIL_LIBS $SVN_APR_LIBS -lz)
LDFLAGS="$save_ldflags"])
CPPFLAGS="$save_cppflags"
test $serf_found = yes && break
done
if test $serf_found = "yes"; then
SVN_SERF_INCLUDES="-I$serf_prefix/include/$serf_major"
if test -e "$serf_prefix/lib/lib$serf_major.la"; then
SVN_SERF_LIBS="$serf_prefix/lib/lib$serf_major.la"
else
SVN_SERF_LIBS="-l$serf_major"
LDFLAGS="$LDFLAGS `SVN_REMOVE_STANDARD_LIB_DIRS(-L$serf_prefix/lib)`"
fi
fi
])
dnl SVN_SERF_PKG_CONFIG()
dnl Use pkg-config to try and detect and configure serf
AC_DEFUN(SVN_SERF_PKG_CONFIG,
[
AC_MSG_NOTICE([serf library configuration via pkg-config])
if test -n "$PKG_CONFIG"; then
for serf_major in serf-2 serf-1; do
AC_MSG_CHECKING([for $serf_major library])
if $PKG_CONFIG $serf_major --exists; then
AC_MSG_RESULT([yes])
AC_MSG_CHECKING([serf library version])
SERF_VERSION=`$PKG_CONFIG $serf_major --modversion`
AC_MSG_RESULT([$SERF_VERSION])
AC_MSG_CHECKING([serf version is suitable])
if $PKG_CONFIG $serf_major --atleast-version=$serf_check_version; then
AC_MSG_RESULT([yes])
serf_found=yes
SVN_SERF_INCLUDES=[`$PKG_CONFIG $serf_major --cflags | $SED -e 's/-D[^ ]*//g'`]
SVN_SERF_LIBS=`$PKG_CONFIG $serf_major --libs`
break
else
AC_MSG_RESULT([no])
AC_MSG_WARN([Serf version too old: need $serf_check_version])
fi
else
AC_MSG_RESULT([no])
fi
done
fi
])
dnl SVN_DOWNLOAD_SERF()
dnl no serf found, print out a message telling the user what to do
AC_DEFUN(SVN_DOWNLOAD_SERF,
[
echo ""
echo "An appropriate version of serf could not be found, so libsvn_ra_serf"
echo "will not be built. If you want to build libsvn_ra_serf, please"
echo "install serf $serf_check_version or newer."
echo ""
])
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