#
# $Id: shlib.subr.in,v 1.13 2004/05/13 18:24:36 jmmv Exp $
# Shared library type specification.
#
# buildtool
# Copyright (c) 2003, 2004 Julio M. Merino Vidal.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in
#    the documentation and/or other materials provided with the
#    distribution.
# 3. Neither the name of the author nor the names of contributors may
#    be used to endorse or promote products derived from this software
#    without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
# PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
# OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#

BT_TARGET_DEFS="${BT_TARGET_DEFS} BT_OBJECTS BT_SOURCES BT_TARGET_LINKS \
                BT_LIB_MAJOR BT_LIB_MINOR BT_LIB_MICRO BT_BASENAME"

shlib_defs() {
    local target="${BT_BASENAME:-1}"
    local version

    bt_source_depends ${BT_SOURCES}

    version=
    [ -n "${BT_LIB_MAJOR}" ] && version=${BT_LIB_MAJOR}
    [ -n "${BT_LIB_MINOR}" ] && version=${BT_LIB_MAJOR}.${BT_LIB_MINOR}
    [ -n "${BT_LIB_MICRO}" ] && \
        version=${BT_LIB_MAJOR}.${BT_LIB_MINOR}.${BT_LIB_MICRO}

    case ${BT_LIB_PIC_NAMING} in
        Darwin)
            BT_TARGET_FILE=${target}.${version}.A.dylib
            ;;
        GNU)
            if [ -z ${version} ]; then
                BT_TARGET_FILE=${target}.so
                BT_FLAGS_LD+="-soname=${BT_TARGET_FILE}"
            else
                BT_TARGET_FILE=${target}.so.${version}
                linkmajor=${target}.so.${BT_LIB_MAJOR}
                if [ -n ${BT_LIB_MINOR} ]; then
                    local linkmajor linkminor
                    linkminor=${target}.so
                    BT_TARGET_LINKS="${linkmajor} ${linkminor}"
                    BT_FLAGS_LD+="-soname=${linkmajor}"
                else
                    BT_TARGET_LINKS="${target}.so"
                    BT_FLAGS_LD+="-soname=${linkmajor}"
                fi
            fi
            ;;
        *)
            btcmn_err "unkown naming scheme for libraries"
            ;;
    esac
}

shlib_build() {
    local l lang=c

    echo ${BT_SOURCES} | grep '\.cc' >/dev/null && lang=cxx
    echo ${BT_SOURCES} | grep '\.cpp' >/dev/null && lang=cxx

    bt_link_${lang} -shared ${BT_FLAGS_LD} -o ${BT_TARGET_FILE} \
        ${BT_OBJECTS} ${BT_LIBS}

    for l in ${BT_TARGET_LINKS}; do
        bt_install_symlink ${BT_TARGET_FILE} ${l}
    done
}

shlib_deinstall() {
    local l

    bt_remove ${BT_DIR_LIB}/${BT_TARGET_FILE}
    for l in ${BT_TARGET_LINKS}; do
        bt_remove ${BT_DIR_LIB}/${l}
    done
    rmdir -p ${BT_DIR_LIB} 2>/dev/null || true
}

shlib_install() {
    local l

    bt_install_dir ${BT_DIR_LIB}
    bt_install_data ${BT_TARGET_FILE} ${BT_DIR_LIB}

    for l in ${BT_TARGET_LINKS}; do
        ( cd ${BT_DESTDIR}${BT_DIR_LIB} && \
          bt_install_symlink ${BT_TARGET_FILE} ${l} )
    done
}

shlib_clean() {
    bt_remove ${BT_TARGET_FILE} ${BT_TARGET_LINKS}
}

# Local Variables: ***
# mode: shell-script ***
# End: ***
# vim: syntax=sh