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#! /bin/sh

#

# shlib-install - install a shared library and do any necessary host-specific

#                 post-installation configuration (like ldconfig)

#

# usage: shlib-install [-D] -O host_os -d installation-dir [-b bin-dir] -i install-prog [-U] library

#

# Chet Ramey

# chet@po.cwru.edu

#

# defaults

#

INSTALLDIR=/usr/local/lib

LDCONFIG=ldconfig

PROGNAME=`basename $0`

USAGE="$PROGNAME [-D] -O host_os -d installation-dir [-b bin-dir] -i install-prog [-U] library"

# process options

while [ $# -gt 0 ]; do

        case "$1" in

        -O)     shift; host_os="$1"; shift ;;

        -d)     shift; INSTALLDIR="$1"; shift ;;

        -b)     shift; BINDIR="$1" ; shift ;;

        -i)     shift; INSTALLPROG="$1" ; shift ;;

        -D)     echo=echo ; shift ;;

        -U)     uninstall=true ; shift ;;

        -*)     echo "$USAGE" >&2 ; exit 2;;

        *)      break ;;

        esac

done

# set install target name

LIBNAME="$1"

if [ -z "$LIBNAME" ]; then

        echo "$USAGE" >&2

        exit 2

fi

OLDSUFF=old

MV=mv

RM="rm -f"

LN="ln -s"

# pre-install

if [ -z "$uninstall" ]; then

        ${echo} $RM ${INSTALLDIR}/${LIBNAME}.${OLDSUFF}

        if [ -f "$INSTALLDIR/$LIBNAME" ]; then

                ${echo} $MV $INSTALLDIR/$LIBNAME ${INSTALLDIR}/${LIBNAME}.${OLDSUFF}

        fi

fi

# install/uninstall

if [ -z "$uninstall" ] ; then

        ${echo} eval ${INSTALLPROG} $LIBNAME ${INSTALLDIR}/${LIBNAME}

else

        ${echo} ${RM} ${INSTALLDIR}/${LIBNAME}

fi

# post-install/uninstall

# HP-UX and Darwin/MacOS X require that a shared library have execute permission

# Cygwin installs both a dll (which must go in $BINDIR) and an implicit

# link library (in $libdir)

case "$host_os" in

hpux*|darwin*|macosx*)

        if [ -z "$uninstall" ]; then

                chmod 555 ${INSTALLDIR}/${LIBNAME}

        fi ;;

cygwin*)

        IMPLIBNAME=`echo ${LIBNAME} \

                | sed -e 's,^cyg,lib,' -e 's,[0-9]*.dll$,.dll.a,'`

        if [ -z "$uninstall" ]; then

                ${echo} $RM ${BINDIR}/${LIBNAME}.${OLDSUFF}

                if [ -f "$BINDIR/$LIBNAME" ]; then

                        ${echo} $MV $BINDIR/$LIBNAME $BINDIR/$LIBNAME.$OLDSUFF

                fi

                ${echo} $MV ${INSTALLDIR}/${LIBNAME} ${BINDIR}/${LIBNAME}

                ${echo} chmod a+x ${BINDIR}/${LIBNAME}

                ${echo} eval ${INSTALLPROG} ${LIBNAME}.a \

                        ${INSTALLDIR}/${IMPLIBNAME}

        else

                ${echo} ${RM} ${BINDIR}/${LIBNAME}

                ${echo} ${RM} ${INSTALLDIR}/${IMPLIBNAME}

        fi ;;

*)      ;;

esac

case "$LIBNAME" in

*.*.[0-9].[0-9])        # libname.so.M.N

        LINK2=`echo $LIBNAME | sed 's:\(.*\..*\.[0-9]\)\.[0-9]:\1:'`    # libname.so.M

        LINK1=`echo $LIBNAME | sed 's:\(.*\..*\)\.[0-9]\.[0-9]:\1:'`    # libname.so

        ;;

*.*.[0-9])              # libname.so.M

        LINK1=`echo $LIBNAME | sed 's:\(.*\..*\)\.[0-9]:\1:'`           # libname.so

        ;;

*.[0-9])                # libname.M

        LINK1=`echo $LIBNAME | sed 's:\(.*\)\.[0-9]:\1:'`               # libname

        ;;

*.[0-9].[0-9].dylib)    # libname.M.N.dylib

        LINK2=`echo $LIBNAME | sed 's:\(.*\.[0-9]\)\.[0-9]:\1:'`        # libname.M.dylib

        LINK1=`echo $LIBNAME | sed 's:\(.*\)\.[0-9]\.[0-9]:\1:'`        # libname.dylib

esac

INSTALL_LINK1='${echo} cd $INSTALLDIR && ${echo} ${LN} $LIBNAME $LINK1'

INSTALL_LINK2='${echo} cd $INSTALLDIR && ${echo} ${LN} $LIBNAME $LINK2'

#

# Create symlinks to the installed library.  This section is incomplete.

#

case "$host_os" in

*linux*)

        # libname.so.M -> libname.so.M.N

        ${echo} ${RM} ${INSTALLDIR}/$LINK2

        if [ -z "$uninstall" ]; then

                eval $INSTALL_LINK2

        fi

        # libname.so -> libname.so.M

        ${echo} ${RM} ${INSTALLDIR}/$LINK1

        if [ -z "$uninstall" ]; then

                ${echo} cd $INSTALLDIR && ${echo} ${LN} $LINK2 $LINK1

        fi

        ;;

bsdi4*|*gnu*|darwin*|macosx*|k*bsd*-gnu)

        # libname.so.M -> libname.so.M.N

        ${echo} ${RM} ${INSTALLDIR}/$LINK2

        if [ -z "$uninstall" ]; then

                eval $INSTALL_LINK2

        fi

        # libname.so -> libname.so.M.N

        ${echo} ${RM} ${INSTALLDIR}/$LINK1

        if [ -z "$uninstall" ]; then

                eval $INSTALL_LINK1

        fi

        ;;

solaris2*|aix4.[2-9]*|osf*|irix[56]*|sysv[45]*|dgux*)

        # libname.so -> libname.so.M

        ${echo} ${RM} ${INSTALLDIR}/$LINK1

        if [ -z "$uninstall" ]; then

                eval $INSTALL_LINK1

        fi

        ;;

# FreeBSD 3.x and above can have either a.out or ELF shared libraries

freebsd[3-9]*|freebsdelf[3-9]*|freebsdaout[3-9]*)

        if [ -x /usr/bin/objformat ] && [ "`/usr/bin/objformat`" = "elf" ]; then

                # libname.so -> libname.so.M

                ${echo} ${RM} ${INSTALLDIR}/$LINK1

                if [ -z "$uninstall" ]; then

                        eval $INSTALL_LINK1

                fi

        else

                # libname.so.M -> libname.so.M.N

                ${echo} ${RM} ${INSTALLDIR}/$LINK2

                if [ -z "$uninstall" ]; then

                        eval $INSTALL_LINK2

                fi

                # libname.so -> libname.so.M.N

                ${echo} ${RM} ${INSTALLDIR}/$LINK1

                if [ -z "$uninstall" ]; then

                        eval $INSTALL_LINK1

                fi

        fi

        ;;

hpux1*)

        # libname.sl -> libname.M

        ${echo} ${RM} ${INSTALLDIR}/$LINK1.sl

        if [ -z "$uninstall" ]; then

                eval $INSTALL_LINK1

        fi

        ;;

cygwin*)

        # Links to .dlls don't work.  Hence shobj-conf used DLLVERSION.dll

        # instead of so.SHLIB_MAJOR.SHLIB_MINOR.  The postinstall above

        # took care of everything else.

        ;;

*)      ;;

esac

exit 0