1#!/bin/sh 2# 3# ldAix ldCmd ldArg ldArg ... 4# 5# This shell script provides a wrapper for ld under AIX in order to 6# create the .exp file required for linking. Its arguments consist 7# of the name and arguments that would normally be provided to the 8# ld command. This script extracts the names of the object files 9# from the argument list, creates a .exp file describing all of the 10# symbols exported by those files, and then invokes "ldCmd" to 11# perform the real link. 12# 13# RCS: @(#) $Id: ldAix,v 1.4.18.1 2010/08/12 00:11:23 hobbs Exp $ 14 15# Extract from the arguments the names of all of the object files. 16 17args=$* 18ofiles="" 19for i do 20 x=`echo $i | grep '[^.].o$'` 21 if test "$x" != ""; then 22 ofiles="$ofiles $i" 23 fi 24done 25 26# Extract the name of the object file that we're linking. 27outputFile=`echo $args | sed -e 's/.*-o \([^ ]*\).*/\1/'` 28 29# Create the export file from all of the object files, using nm followed 30# by sed editing. Here are some tricky aspects of this: 31# 32# - Use the -X32_64 switch to nm to handle 32 or 64bit compiles. 33# - Eliminate lines that end in ":": these are the names of object files 34# - Eliminate entries with the "U" key letter; these are undefined symbols 35# - If a line starts with ".", delete the leading ".", since this will just 36# cause confusion later 37# - Eliminate everything after the first field in a line, so that we're 38# left with just the symbol name 39 40nmopts="-g -C -h -X32_64" 41rm -f lib.exp 42echo "#! $outputFile" >lib.exp 43/usr/ccs/bin/nm $nmopts $ofiles | sed -e '/:$/d' -e '/ U /d' -e 's/^\.//' -e 's/[ |].*//' | sort | uniq >>lib.exp 44 45# If we're linking a .a file, then link all the objects together into a 46# single file "shr.o" and then put that into the archive. Otherwise link 47# the object files directly into the .a file. 48 49noDotA=`echo $outputFile | sed -e '/\.a$/d'` 50echo "noDotA=\"$noDotA\"" 51if test "$noDotA" = "" ; then 52 linkArgs=`echo $args | sed -e 's/-o .*\.a /-o shr.o /'` 53 echo $linkArgs 54 eval $linkArgs 55 echo ar cr $outputFile shr.o 56 ar cr $outputFile shr.o 57 rm -f shr.o 58else 59 eval $args 60fi 61