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author | rjohnson <rjohnson> | 1998-03-26 14:56:55 (GMT) |
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committer | rjohnson <rjohnson> | 1998-03-26 14:56:55 (GMT) |
commit | 72d823b9193f9ee2b0318563b49363cd08c11f24 (patch) | |
tree | c168cc164a71f320db9dcdfe7518ba7bd0d2c8d9 /unix/ldAix | |
parent | 2b5738da524e944cda39e24c0a87b745a43bd8c3 (diff) | |
download | tcl-72d823b9193f9ee2b0318563b49363cd08c11f24.zip tcl-72d823b9193f9ee2b0318563b49363cd08c11f24.tar.gz tcl-72d823b9193f9ee2b0318563b49363cd08c11f24.tar.bz2 |
Initial revision
Diffstat (limited to 'unix/ldAix')
-rwxr-xr-x | unix/ldAix | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/unix/ldAix b/unix/ldAix new file mode 100755 index 0000000..4da2b20 --- /dev/null +++ b/unix/ldAix @@ -0,0 +1,72 @@ +#!/bin/sh +# +# ldAix ldCmd ldArg ldArg ... +# +# This shell script provides a wrapper for ld under AIX in order to +# create the .exp file required for linking. Its arguments consist +# of the name and arguments that would normally be provided to the +# ld command. This script extracts the names of the object files +# from the argument list, creates a .exp file describing all of the +# symbols exported by those files, and then invokes "ldCmd" to +# perform the real link. +# +# SCCS: @(#) ldAix 1.8 97/02/21 14:50:27 + +# Extract from the arguments the names of all of the object files. + +args=$* +ofiles="" +for i do + x=`echo $i | grep '[^.].o$'` + if test "$x" != ""; then + ofiles="$ofiles $i" + fi +done + +# Create the export file from all of the object files, using nm followed +# by sed editing. Here are some tricky aspects of this: +# +# 1. Nm produces different output under AIX 4.1 than under AIX 3.2.5; +# the following statements handle both versions. +# 2. Use the -g switch to nm instead of -e under 4.1 (this shows just +# externals, not statics; -g isn't available under 3.2.5, though). +# 3. Eliminate lines that end in ":": these are the names of object +# files (relevant in 4.1 only). +# 4. Eliminate entries with the "U" key letter; these are undefined +# symbols (relevant in 4.1 only). +# 5. Eliminate lines that contain the string "0|extern" preceded by space; +# in 3.2.5, these are undefined symbols (address 0). +# 6. Eliminate lines containing the "unamex" symbol. In 3.2.5, these +# are also undefined symbols. +# 7. If a line starts with ".", delete the leading ".", since this will +# just cause confusion later. +# 8. Eliminate everything after the first field in a line, so that we're +# left with just the symbol name. + +nmopts="-g -C" +osver=`uname -v` +if test $osver -eq 3; then + nmopts="-e" +fi +rm -f lib.exp +echo "#! " >lib.exp +/usr/ccs/bin/nm $nmopts -h $ofiles | sed -e '/:$/d' -e '/ U /d' -e '/[ ]0|extern/d' -e '/unamex/d' -e 's/^\.//' -e 's/[ |].*//' | sort | uniq >>lib.exp + +# Extract the name of the object file that we're linking. If it's a .a +# file, then link all the objects together into a single file "shr.o" +# and then put that into the archive. Otherwise link the object files +# directly into the .a file. + +outputFile=`echo $args | sed -e 's/.*-o \([^ ]*\).*/\1/'` +noDotA=`echo $outputFile | sed -e '/\.a$/d'` +echo "noDotA=\"$noDotA\"" +if test "$noDotA" = "" ; then + linkArgs=`echo $args | sed -e 's/-o .*\.a /-o shr.o /'` + echo $linkArgs + eval $linkArgs + echo ar cr $outputFile shr.o + ar cr $outputFile shr.o + rm -f shr.o +else + eval $args +fi |