syncevolution/configure-pre.in

dnl -*- mode: Autoconf; -*-
dnl Invoke autogen.sh to produce a configure script.

AC_INIT([syncevolution], [0.8.1])
AM_INIT_AUTOMAKE([tar-ustar])
define([SYNTHESISSRC_REPO], [])
dnl Specify git revisions/branches without prefix, i.e., without 'origin'.
dnl We'll sort that out below.
define([SYNTHESISSRC_REVISION], [syncevolution-0.9])
AM_CONFIG_HEADER(config.h)
AC_LIBTOOL_DLOPEN

dnl default device type (see AC_DEFINE below)
DEVICE_TYPE=desktop

# options to be used when configuring client library
CLIENT_CONFIGURE_OPTIONS=

AC_ARG_WITH(synthesis-src,
            AS_HELP_STRING([--with-synthesis-src=<base directory|svn URL|git URL>],
                           [Specifies location of the Synthesis root directory.
                           Use this when the Synthesis library is to
                           be compiled as part of the SyncEvolution compilation. In release
                           versions of SyncEvolution, a copy of the Synthesis code is bundled
                           under 'src/synthesis' and compiled unless something else is
                           specified. --with-synthesis-src can be given a path to sources
                           checked out already, a Subversion repository URL or a git repository
                           URL. When given a repository URL, then the configure script
                           will checkout the sources into 'src/synthesis-workdir' or
                           update that working copy if the directory already exists.
                           Default: bundled source in src/synthesis (in released SyncEvolution sources),
                           SYNTHESISSRC_REPO otherwise.]),
            [SYNTHESISSRC="$withval"], [SYNTHESISSRC="$SYNTHESISSRC_DEF"; REVISION="SYNTHESISSRC_REVISION"])

AC_ARG_WITH(synthesis-username,
            AS_HELP_STRING([--with-synthesis-username=<svn username>],
                           [username to use when checking out --with-synthesis-src sources from Subversion, default 'guest']),
            [USERNAME="$withval"], [USERNAME="guest"])

AC_ARG_WITH(synthesis-revision,
            AS_HELP_STRING([--with-synthesis-revision=<git tag/branch/hash or Subversion revision>],
                           [Identifies which source revision to use from --with-synthesis-src repository, empty string stands for latest. Default for default --synthesis-src: SYNTHESISSRC_REVISION]),
            [REVISION="$withval"])

AC_ARG_ENABLE(shared,
              AS_HELP_STRING([--enable-shared],
                             [build backends as dynamically loadable modules]),
              enable_shared="$enableval", enable_shared="no")

AC_ARG_ENABLE(static,
              AS_HELP_STRING([--enable-static],
                             [build backends also as static libraries]),
              enable_static="$enableval", enable_static="no")

AC_ARG_ENABLE(unit-tests,
              AS_HELP_STRING([--enable-unit-tests],
                             [enables tests embedded in the source code of the library (changes content of executable)]),
              enable_unit_tests="$enableval", enable_unit_tests="no")
AC_ARG_ENABLE(integration-tests,
              AS_HELP_STRING([--enable-integration-tests],
                             [enables tests outside of the library (can be used together with normal builds of the library)]),
              enable_integration_tests="$enableval", enable_integration_tests="no")

AC_ARG_ENABLE(static-cxx,
              AS_HELP_STRING([--enable-static-cxx],
                             [build executables which contain libstdc++ instead of requiring suitable libstdc++.so to run]),
              enable_static_cxx="$enableval", enable_static_cxx="no")

AC_ARG_ENABLE(evolution-compatibility,
              AS_HELP_STRING([--enable-evolution-compatibility],
                             [build executables which only call Evolution via dlopen/dlsym: this avoids all hard dependencies on EDS shared objects, but might lead to crashes when their ABI changes]),
              enable_evolution_compatibility="$enableval", enable_evolution_compatibility="no")

# Maemo hacks:
# - set the (non-standard!) DBUS_DEFAULT_TIMEOUT
# - wrap e_book_from_string() to fix invalid parameter
# - don't use UTF-8 encoding in Perl script
AC_ARG_ENABLE(maemo,
              AS_HELP_STRING([--enable-maemo],
                             [enables some hacks which work around problems with the Maemo 2.0 until at least 3.0 EDS-Dbus]),
              [AC_DEFINE(ENABLE_MAEMO, 1, [enable Maemo hacks])
               DEVICE_TYPE=Maemo
               MODIFY_SYNCCOMPARE='-e "s/use encoding/#use encoding/;" -e "s/:utf8//;"'])
AC_SUBST(MODIFY_SYNCCOMPARE)

PKG_CHECK_MODULES(SYNTHESIS, "synthesis")

AC_CHECK_HEADERS(signal.h dlfcn.h)

# cppunit needed?
if test $enable_unit_tests == "yes" || test $enable_integration_tests == yes; then
        CPPUNIT_CXXFLAGS=`cppunit-config --cflags` || AC_MSG_ERROR("cppunit-config --cflags failed - is it installed?")
        CPPUNIT_LDFLAGS=`cppunit-config --libs` || AC_MSG_ERROR("cppunit-config --libs failed - is it installed?")
        CPPUNIT_TESTS=client-test
fi
AC_SUBST(CPPUNIT_CXXFLAGS)
AC_SUBST(CPPUNIT_LDFLAGS)
AC_SUBST(CPPUNIT_TESTS)

if test $enable_unit_tests == "yes"; then
        CLIENT_CONFIGURE_OPTIONS="$CLIENT_CONFIGURE_OPTIONS --enable-unit-tests"
        AC_DEFINE(ENABLE_UNIT_TESTS, 1, [enable unit tests inside the library's source code])
fi
if test $enable_integration_tests == "yes"; then
        CLIENT_CONFIGURE_OPTIONS="$CLIENT_CONFIGURE_OPTIONS --enable-integration-tests"
        AC_DEFINE(ENABLE_INTEGRATION_TESTS, 1, [enable unit tests outside of the library's source code])
fi

if test $enable_static_cxx == "yes"; then
        LIBS="$LIBS -L."
        CORE_LDADD_DEP=libstdc++.a
fi
AC_SUBST(CORE_LDADD_DEP)

# preserve src/synthesis by default,
# always
CLEAN_SYNTHESIS_SRC=
SYNTHESIS_LIB=$PWD/src/build-synthesis/src/libsynthesissdk.la

AC_SUBST(CLEAN_CLIENT_SRC)

# Check for transport layer.
# Both curl and libsoup can be enabled and disabled explicitly.
# The default is to use libsoup if available, otherwise curl.

AC_MSG_CHECKING([for libcurl])
if LIBCURL_LIBS=`sh -c 'curl-config --libs' 2>&AS_MESSAGE_LOG_FD` && \
    LIBCURL_CFLAGS=`sh -c 'curl-config --cflags' 2>&AS_MESSAGE_LOG_FD`; then
    AC_MSG_RESULT([yes])
    have_libcurl="yes"
else
    AC_MSG_RESULT([no])
    have_libcurl="no"
fi
PKG_CHECK_MODULES(LIBSOUP, libsoup-2.4,
                  have_libsoup="yes",
                  have_libsoup="no")

TRANSPORT=
TRANSPORT_LIBS=
TRANSPORT_CFLAGS=

# choose default transport (mirrors code in EvolutionSyncClient::createTransportAgent())
if test "$have_libsoup" = "yes"; then
   default_transport="libsoup"
elif test "$have_libcurl" = "yes"; then
   default_transport="libcurl"
fi

AC_ARG_ENABLE(libcurl,
              AC_HELP_STRING([--enable-libcurl],
                             [enable libcurl as transport layer]),
              [ if test "$enableval" = "yes"; then
                   test "$have_libcurl" = "yes" || AC_MSG_ERROR([libcurl not found])
                   TRANSPORT="$TRANSPORT libcurl"
                   TRANSPORT_LIBS="$TRANSPORT_LIBS $LIBCURL_LIBS"
                   TRANSPORT_CFLAGS="$TRANSPORT_CFLAGS $LIBCURL_CFLAGS"
                   AC_DEFINE(ENABLE_LIBCURL, 1, [enable libcurl transport])
                else
                   libcurl_disabled="yes"
                fi ],
              [ if test "$have_libcurl" = "yes" && test "$default_transport" = "libcurl" ; then
                   TRANSPORT="$TRANSPORT libcurl"
                   TRANSPORT_LIBS="$TRANSPORT_LIBS $LIBCURL_LIBS"
                   TRANSPORT_CFLAGS="$TRANSPORT_CFLAGS $LIBCURL_CFLAGS"
                   AC_DEFINE(ENABLE_LIBCURL, 1, [enable libcurl transport])
                fi ])

AC_ARG_ENABLE(libsoup,
              AC_HELP_STRING([--enable-libsoup],
                             [enable libsoup as transport layer]),
              [ if test "$enableval" = "yes"; then
                   test "$have_libsoup" = "yes" || AC_MSG_ERROR([libsoup not found])
                   TRANSPORT="$TRANSPORT libsoup"
                   TRANSPORT_LIBS="$TRANSPORT_LIBS $LIBSOUP_LIBS"
                   TRANSPORT_CFLAGS="$TRANSPORT_CFLAGS $LIBSOUP_CFLAGS"
                   AC_DEFINE(ENABLE_LIBSOUP, 1, [enable libsoup transport])
                else
                   libsoup_disabled="yes"
                fi ],
              [ if test "$have_libsoup" = "yes" && test "$default_transport" = "libsoup"; then
                   TRANSPORT="$TRANSPORT libsoup"
                   TRANSPORT_LIBS="$TRANSPORT_LIBS $LIBSOUP_LIBS"
                   TRANSPORT_CFLAGS="$TRANSPORT_CFLAGS $LIBSOUP_CFLAGS"
                   AC_DEFINE(ENABLE_LIBSOUP, 1, [enable libsoup transport])
                fi ])

if test ! "$TRANSPORT" &&
   test "$libsoup_disabled" != "yes" &&
   test "$libcurl_disabled" != "yes"; then
   AC_ERROR([no transport library found, configure with --disable-libcurl --disable-libsoup to continue anyway (only useful if users of libsyncevolution provide transport implementation)])
fi

AC_SUBST(TRANSPORT_LIBS)
AC_SUBST(TRANSPORT_CFLAGS)

# absolute patch to source of Synthesis client library
SYNTHESIS_SRC=no-synthesis-source
AC_SUBST(SYNTHESIS_SRC)
if test "$SYNTHESISSRC" && test "$SYNTHESISSRC" != "none"; then
    # default: checkout a copy of the sources, remove it during maintainer-clean and distclean
    CLEAN_CLIENT_SRC=synthesis-workdir
    SYNTHESIS_SRC=$PWD/src/synthesis-workdir

    AC_MSG_NOTICE( [updating the content of $SYNTHESIS_SRC from $SYNTHESISSRC] )
    case "$SYNTHESISSRC" in
        *://*) protocol="`echo $SYNTHESISSRC | sed -e 's;://.*;;'`";;
        *) protocol="file";;
    esac

    mkdir -p src
    case $protocol in
        file)
            # use existing copy of the sources
            CLEAN_CLIENT_SRC=
            case "$SYNTHESISSRC" in
                 /*) SYNTHESIS_SRC="$SYNTHESISSRC";;
                 *) SYNTHESIS_SRC="$PWD/$SYNTHESISSRC";;
            esac
            ;;
        *svn*|*http*)
            SYNTHESISSRCREV="$SYNTHESISSRC"
            if test "$REVISION"; then
                revarg="-r $REVISION "
                if `echo $SYNTHESISSRC | grep '@[0123456789]*'` >/dev/null; then
                    :
                else
                    SYNTHESISSRCREV="$SYNTHESISSRC@$REVISION"
                fi
            fi
            if test -d $SYNTHESIS_SRC ; then
                ( set -x; cd $SYNTHESIS_SRC && svn --username=$USERNAME switch $revarg "$SYNTHESISSRC" ) || AC_ERROR([updating from $SYNTHESISSRC failed])
            else
                (set -x; svn --username=$USERNAME checkout $revarg "$SYNTHESISSRCREV" $SYNTHESIS_SRC ) || AC_ERROR([checking out $SYNTHESISSRC failed])
            fi
            ;;
        *git*)
            if test -d $SYNTHESIS_SRC ; then
                ( set -x; cd $SYNTHESIS_SRC && git fetch "$SYNTHESISSRC" ) || AC_ERROR([updating from $SYNTHESISSRC failed])
            else
                ( set -x; git clone "$SYNTHESISSRC" $SYNTHESIS_SRC ) || AC_ERROR([cloning $SYNTHESISSRC failed])
            fi
            if test "$REVISION"; then
                # git 1.6 finds tags and branches without explicit prefix, 1.4.4.4 doesn't
                ( set -x; cd $SYNTHESIS_SRC &&
                  (git checkout "$REVISION" ||
                   git checkout "tags/$REVISION" ||
                   git checkout "origin/$REVISION") ) || AC_ERROR([checking out $SYNTHESISSRC failed])
            fi
            ;;
    esac
elif test "$SYNTHESISSRC" != "none" && test -d $srcdir/src/synthesis; then
    # use existing copy of the sources; beware of
    # out-of-tree compilation
    case $srcdir in
         /*) SYNTHESIS_SRC="$srcdir/src/synthesis";;
         *) SYNTHESIS_SRC="$PWD/$srcdir/src/synthesis";;
    esac
else
    PKG_CHECK_MODULES(SYNTHESIS, "synthesis")
fi

if test $SYNTHESIS_SRC != "no-synthesis-source"; then
    ( cd $SYNTHESIS_SRC && ( test -f configure || sh autogen.sh ) ) || AC_MSG_ERROR([no configure script in $SYNTHESIS_SRC])

    SYNTHESIS_CONFIGURE="$SYNTHESIS_SRC/configure"
    chmod u+x $SYNTHESIS_SRC/configure $SYNTHESIS_SRC/config.sub $SYNTHESIS_SRC/config.guess

    # use local copy of the sources, with dependencies
    # to trigger building the synthesis library
    SYNTHESIS_SUBDIR=$PWD/src/build-synthesis
    SYNTHESIS_DEP=$PWD/src/build-synthesis/src/libsynthesissdk.la

    SYNTHESIS_CFLAGS="-I$SYNTHESIS_SUBDIR/src"
    SYNTHESIS_LIBS="-L$SYNTHESIS_SUBDIR/src -lsynthesissdk -lsynthesis"

    AC_MSG_NOTICE( [configuring the Synthesis library] )
    # Passing some specific configure arguments to the synthesis library's
    # configure makes sense (e.g., --enable-unit-tests) or is
    # required (--disable-dependency-tracking when compiling for
    # multiple architectures on Mac OS X).
    cxx_lib_args=`for i in --disable-dependency-tracking --enable-unit-tests --with-xmltok; do
       ( for e in $ac_configure_args; do echo $e; done ) | grep -e $i
      done`
    if test "$enable_shared" == "yes"; then
        # Okay, this is a shortcut: strictly speaking we would have
        # to check with autoconf for the right flags...
        SYNTHESIS_LIB_SHARED_FLAGS="-DPIC -fPIC"
    fi
    if (set -x; mkdir -p $SYNTHESIS_SUBDIR && cd $SYNTHESIS_SUBDIR && $SYNTHESIS_CONFIGURE $SYNTHESIS_CONFIGURE_OPTIONS --build=$build_alias --host=$host_alias --target=$target_alias CFLAGS="$CFLAGS $SYNTHESIS_LIB_SHARED_FLAGS" CXXFLAGS="$CXXFLAGS $SYNTHESIS_LIB_SHARED_FLAGS" `eval echo $cxx_lib_args`); then true; else
        AC_MSG_ERROR( [configuring Synthesis library failed] )
    fi
fi

AC_SUBST(SYNTHESIS_CFLAGS)
AC_SUBST(SYNTHESIS_LIBS)
AC_SUBST(SYNTHESIS)
AC_SUBST(SYNTHESIS_SUBDIR)
AC_SUBST(SYNTHESIS_DEP)
AC_SUBST(SYNTHESIS_LIB)
AC_SUBST(SYNTHESISSRC)

dnl select backends
BACKENDS=""

# AC_ARG_ENABLE_BACKEND(BACKEND, DIR, HELP-STRING, [ACTION-IF-GIVEN],
#                       [ACTION-IF-NOT-GIVEN])
#
# Same as AC_ARG_ENABLE(), but also tells configure that the
# backend exists.
#
# BACKEND = name of modules built in that dir as .la files without the
#           obligatory sync prefix, e.g. "ebook"
# DIR = name of the directory inside src/backends, e.g., "evolution"
AC_DEFUN([AC_ARG_ENABLE_BACKEND],
[
        AC_ARG_ENABLE($1, $3, $4, $5)
        BACKENDS="$BACKENDS $1"
        BACKEND_DEFINES="$BACKEND_DEFINES ENABLE_`echo $1 | tr a-z A-Z`"
        for source in $2; do
            SYNCSOURCES="$SYNCSOURCES backends/$2/sync$1.la"
        done
])
AC_SUBST(SYNCSOURCES)
AC_SUBST(BACKEND_DEFINES)

BACKEND_CPPFLAGS="$SYNTHESIS_CFLAGS $EPACKAGE_CFLAGS $EBOOK_CFLAGS $ECAL_CFLAGS $GLIB_CFLAGS"
AC_SUBST(BACKEND_CPPFLAGS)

dnl src/backends/*/configure-sub.in and configure-post.in follow