#!/bin/sh
[ "$BASH" ] || exec bash `which $0` ${1+"$@"}
#
# $Id$
#

# ---------------------------------------------------------------
# Copyright 2003 Przemyslaw Czerpak <druzus@polbox.com>
# simple script to build shared libraries from static ones and
# object files
#
# See doc/license.txt for licensing terms.
# ---------------------------------------------------------------

if [ -n "${HB_ARCHITECTURE}" ]
then
    hb_arch="${HB_ARCHITECTURE}"
else
    hb_arch=`uname -s | tr -d "[-]" | tr '[A-Z]' '[a-z]' 2>/dev/null`
fi

case "$hb_arch" in
    *windows*|*mingw32*)    hb_arch="w32" ;;
    *dos)   hb_arch="dos" ;;
    *bsd)   hb_arch="bsd" ;;
esac

case "$hb_arch" in
    darwin) SLIB_EXT=".dylib" ;;
    w32)    SLIB_EXT=".dll" ;;
    *)      SLIB_EXT=".so" ;;
esac

NAME="${1%${SLIB_EXT}}"
LIB_NAME="${NAME##*/}"
DSTDIR="${NAME%${LIB_NAME}}"
[ -n "${DSTDIR}" ] || DSTDIR="./"

if [ $# -lt 2 ] || [ -z "${LIB_NAME}" ]
then
    echo "usage: `basename $0` <target[${SLIB_EXT}]> [link options] src1.a .. srcN.a [obj1.o .. objN.o]"
    exit 1
fi

shift

BASE=`echo ${LIB_NAME} | sed "s/\([^.-]*\)[.-][0-9.]*/\1/g"`
VERSION="${LIB_NAME#${BASE}}"
VERSION="${VERSION#[.-]}"
REVIS="${VERSION}"
MAJOR="${REVIS%%.*}"
REVIS="${REVIS#${MAJOR}}"
REVIS="${REVIS#.}"
MINOR="${REVIS%%.*}"
REVIS="${REVIS#${MINOR}}"
REVIS="${REVIS#.}"
REVIS="${REVIS%%.*}"
[ -n "${MAJOR}" ] || MAJOR=0
[ -n "${MINOR}" ] || MINOR=1
[ -n "${REVIS}" ] || REVIS=0
VERSION="${MAJOR}.${MINOR}.${REVIS}"

OTMPDIR="/tmp/hb-mkslib-$$"
dir=`pwd`

cleanup()
{
    rm -fR "${OTMPDIR}"
}

trap cleanup EXIT &>/dev/null

rm -fR "${OTMPDIR}"
mkdir -p "${OTMPDIR}"
cd "${OTMPDIR}"

for f in $*
do
    case "${f}" in
	*.o)
	    if [ ! -r "${dir}/${f}" ]
	    then
	        echo "cannot read file: ${f}"
	        exit 1
	    fi
	    cp "${dir}/${f}" "${OTMPDIR}" || exit 1
	    ;;
	*.a)
            if [ ! -r "${dir}/${f}" ]
	    then
	        echo "cannot read file: ${f}"
	        exit 1
	    fi
	    d="${f%.a}"
	    d="${f##*/}"
	    mkdir $d
	    cd $d
	    ${CCPREFIX}ar -x "${dir}/${f}" || exit 1
	    cd ..
	    ;;
	*)
            linker_options="${linker_options} ${f}"
	    ;;
    esac
done
OBJLST=`find . -name \*.o`

cd "${OTMPDIR}"
if [ "${SLIB_EXT}" = ".dylib" ]; then
    FULLNAME="${BASE}.${VERSION}${SLIB_EXT}"
    ld -r -o "${FULLNAME}.o" $OBJLST && \
    ${CCPREFIX}gcc -dynamiclib -install_name "${BASE}.${MAJOR}${SLIB_EXT}" \
        -compatibility_version ${MAJOR}.${MINOR} -current_version ${VERSION} \
        -flat_namespace -undefined warning -multiply_defined suppress -single_module \
        -o "${FULLNAME}" "${FULLNAME}.o" ${linker_options} && \
    cd "${dir}" && \
    mv -f "${OTMPDIR}/${FULLNAME}" "${DSTDIR}${FULLNAME}" && \
    ln -sf "${FULLNAME}" "${DSTDIR}${BASE}.${MAJOR}${SLIB_EXT}" && \
    ln -sf "${FULLNAME}" "${DSTDIR}${BASE}${SLIB_EXT}"
elif [ "${SLIB_EXT}" = ".dll" ]; then
    FULLNAME="${LIB_NAME}${SLIB_EXT}"
    SYSLIBS="-luser32 -lwinspool -lgdi32 -lcomctl32 -lcomdlg32 -lole32"
    SYSLIBS="${SYSLIBS} -loleaut32 -luuid -lmpr -lwsock32 -lws2_32 -lmapi32"
    ${CCPREFIX}gcc -shared -o "${FULLNAME}" $OBJLST ${linker_options} ${SYSLIBS} ${HB_DLLIBS} && \
        cd "${dir}" && \
        mv -f "${OTMPDIR}/${FULLNAME}" "${DSTDIR}${FULLNAME}"
else
    #FULLNAME="${BASE}-${VERSION}${SLIB_EXT}"
    #FULLNAME="${BASE}{SLIB_EXT}.${VERSION}"
    FULLNAME="${LIB_NAME}${SLIB_EXT}"
    ${CCPREFIX}gcc -shared -o "${FULLNAME}" $OBJLST ${linker_options} && \
        cd "${dir}" && \
        mv -f "${OTMPDIR}/${FULLNAME}" "${DSTDIR}${FULLNAME}"
fi

stat="$?"
[ $stat != 0 ] && cd "${dir}" && rm -f "${DSTDIR}${FULLNAME}"
cleanup
exit "${stat}"