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#!/bin/ksh
# Make an AIX EXPORT FILE FOR 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
#
# Rest of arguments are object files WHICH SHOULD BE IN THE EXPORT LIST !!
#
# Name of the library which clients will link with (ex: libMesaGL)
BASENAME=$1
# BASENAME = LIBRARY without .a suffix
LIBRARY=${BASENAME}.so
# Name of exports file
EXPFILE=${BASENAME}.exp
# List of object files to put into library
shift 1
OBJECTS=$*
# Remove any old files from previous make
rm -f ${EXPFILE}
# Pick a way to use nm -gt
NM=${NM-/bin/nm -eC}
# Determine which version of AIX this is
AIXVERSION=`uname -v`
# Make exports (.exp) file header
echo "#! ${LIBRARY}" > ${EXPFILE}
# Append list of exported symbols to exports file -gt
case ${AIXVERSION}
{
3*)
${NM} ${OBJECTS} | awk -F'|' '{
if ($3 != "extern" || substr($7,1,1) == " ") continue
sub (" *", "", $1); sub (" *", "", $7)
if ( (($7 == ".text") || ($7 == ".data") || ($7 == ".bss")) \
&& ( substr($1,1,1) != ".")) {
if (substr ($1, 1, 7) != "__sinit" &&
substr ($1, 1, 7) != "__sterm") {
if (substr ($1, 1, 5) == "__tf1")
print (substr ($1, 7))
else if (substr ($1, 1, 5) == "__tf9")
print (substr ($1, 15))
else
print $1
}
}
}' | sort -u >> ${EXPFILE}
;;
4*)
${NM} ${OBJECTS} | awk '{
if ((($2 == "T") || ($2 == "D") || ($2 == "B")) \
&& ( substr($1,1,1) != ".")) {
if (substr ($1, 1, 7) != "__sinit" &&
substr ($1, 1, 7) != "__sterm") {
if (substr ($1, 1, 5) == "__tf1")
print (substr ($1, 7))
else if (substr ($1, 1, 5) == "__tf9")
print (substr ($1, 15))
else
print $1
}
}
}' | sort -u >> ${EXPFILE}
;;
}
# This next line is a hack to allow full compatibility with IBM's OpenGL
# libraries. IBM mistakenly exports glLoadIdentity from the libGLU.a
# library. We have to do the same thing. Problem reported by Yemi Adesanya
# (adesanya@afsmail.cern.ch) and Patrick Brown (pbrown@austin.ibm.com)
if [ "${BASENAME}" = libMesaGLU ] ; then
echo "glLoadIdentity" >> ${EXPFILE}
fi
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