#!/bin/ksh

# Make an AIX shared library (tricky!!!)
# Based on a script from Athanasios G. Gaitatzes (gaitat@vnet.ibm.com)
# Improved by Greg Thompson <gregt@visix.com> -gt
#
# Improved by Sven Goethel <s_goethel@bielefeld.netsurf.de>
# 	goal: same tool for any machines ...
# 	

# First argument is name of output library
# 	without dirname and suffix
# second and third are the major and minor number
# Rest of arguments are object files
#

LIBDIR=$1
shift 1

LIBRARY=$1
shift 1

LIBMAJOR=$1
shift 1

LIBMINOR=$1
shift 1

LIBBUGFIX=$1
shift 1


OBJECTS=$*

# the following provided by Thomas Hiller (Hiller@tu-harburg.d400.de)

VERSION="${LIBMAJOR}.${LIBMINOR}.${LIBBUGFIX}"

LIBNAME=${LIBRARY}.so
EXPFILE=${LIBRARY}.exp

# Remove any old files from previous make
rm -f ${LIBDIR}/${LIBNAME}*

# Determine which version of AIX this is
AIXVERSION=`uname -v`

# Pick a way to tell the linker there's no entrypoint -gt
case ${AIXVERSION}
{
	3*)
		ENTRY='-e _nostart'
		;;
	4*)
		ENTRY=-bnoentry
		;;
	*)
		echo "Error in mklib.aix!"
		exit 1
		;;
}


# Make the shared lib file
ld -o ${LIBDIR}/${LIBNAME}.${VERSION} \
    ${OBJECTS} ${ENTRY} -bM:SRE -bE:${EXPFILE} \
   -blibpath:/usr/lib/threads:/usr/lib:/lib -lc_r \
   -L${JAVA_HOME}/lib/aix/native_threads -ljava

( cd ${LIBDIR} ; 
  ln -s ${LIBNAME}.${VERSION} ${LIBNAME}.${LIBMAJOR}.${LIBMINOR} 
)

( cd ${LIBDIR} ; 
  ln -s ${LIBNAME}.${LIBMAJOR}.${LIBMINOR} ${LIBNAME}.${LIBMAJOR} 
)

( cd ${LIBDIR} ; 
  ln -s ${LIBNAME}.${LIBMAJOR} ${LIBNAME} 
)

#NOTES
# AIX 4.x /usr/bin/nm -B patch from ssclift@mach.me.queensu.ca (Simon Clift)
# Robustified symbol extraction for AIX 3 and 4
#   Greg Thompson <gregt@visix.com>

# Print a reminder about shared libs:
echo
echo "******Be sure to add" ${LIBDIR}"/lib to your LD_LIBRARY_PATH variable"
echo
sleep 2