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|
#! /usr/bin/ksh
# Original Author: Tim Mooney (mooney@plains.nodak.edu)
# $Id: osf.req,v 1.7 1999/09/30 00:22:15 jbj Exp $
#
# This file is distributed under the terms of the GNU Public License
#
# find-requires is part of RPM, the Red Hat Package Manager. find-requires
# reads a list of full pathnames (in a package) on stdin, and outputs all
# shared libraries the package requires to execute.
#
# On Digital Unix (OSF1), use `odump -Dl' to find the library dependencies
# for an executable. `odump -D' does most of what we need, but it doesn't
# give us library version information, so you must use `odump -Dl'
#
# Example `odump -Dl' output:
#
#$odump -Dl /usr/bin/X11/xterm
#
#
#
#
# ***LIBRARY LIST SECTION***
# Name Time-Stamp CheckSum Flags Version
#/usr/bin/X11/xterm:
# libXaw.so Dec 9 00:15:35 1997 0x285006d0 0 6.0
# libXmu.so Dec 9 00:13:36 1997 0x3bf3a33d 0
# libXt.so Dec 9 00:12:18 1997 0x10dd9a17 0
# libSM.so Dec 9 00:08:11 1997 0xb64c7082 0
# libICE.so Dec 9 00:07:52 1997 0x1199be32 0
# libXext.so Dec 9 00:08:51 1997 0xafcb84d5 0
# libX11.so Dec 9 00:06:05 1997 0xaa1bf091 0
# libc.so Dec 8 18:41:11 1997 0x5e955f9b 0 osf.1
PATH=/usr/bin:/usr/sbin:/sbin:/usr/ccs/bin
export PATH
#
# TVM: switch to using `while read ...' instead of `for f in ...', because
# packages with a large number of files could be too big for one shell variable
# to hold.
#
IFS=""
while read f
do
#
# Uncomment the next line for addtional debugging:
# echo "read ->$f<-"
#
# Only run file once per file:
#
file_output=`file $f`
#
# handle shell scripts first
#
is_shell_script=`echo "$file_output" | grep 'shell script' | \
cut -d: -f 2 | awk '{ print $1 }'`
#
# If it's a script...
#
if test X"$is_shell_script" != X ; then
echo "$is_shell_script"
#
# use `continue' to skip back up to the top of the loop.
# We have already done as much as we need to for this
# file, and this saves me from having to have an else,
# and another indent level... ;-)
#
continue
fi
#
# The `else' here is implied by the `continue' above...
#
#
# it might be a shared library.
#
maybe_shared_lib=`echo "$file_output" | grep 'executable'`
if test X"$maybe_shared_lib" != X ; then
odump -Dl $f 2>/dev/null \
| awk '
#
# For you non-awk-ers, no single quotes in comments -- the shell
# sees them and things get hosed.
#
BEGIN {
found_program_name = 0;
FS = " ";
RS = "\n";
OFS="";
#
# what character should be used to separate the soname from any
# version info? Using a . is actually a bad idea, since some
# free/3rd party libraries may be built so that the library
# soname may have version info in it too. If we use . as the
# separator, it may not be possible to tell where the soname
# ends and the internal version info begins. It might be
# better to use a - or a : here. If you do so, be sure to
# change this setting in find-provides, too.
#
soname_version_delimiter=".";
}
# uncomment the next line for debugging information
#{ print "Saw input:", $0 }
found_program_name == 1 && $0 !~ /^$/ {
# uncomment for debugging information
#print "found shared library: $0"
# get the library name (field 1) and the library version
# (field 8) if present.
numfields = split($0,fields)
if (numfields == 7) {
print fields[1]
} else if (numfields == 8) {
#
# Note that if a library contains a number as the last
# part of the soname *and* it contains version information,
# we have a problem because it is impossible to tell where
# the soname ends and the version info begins. Digital
# Unix shared libraries should *not* be built with any
# version info in the soname. That info should be in
# the version field only.
#
# If we used a separator character of a - or something else,
# instead of a ., we would not have this problem.
#
print fields[1], soname_version_delimiter, fields[8]
}
}
/^.*: *$/ {
found_program_name = 1
#
# uncomment the next line for debugging information
#print "found the program name: ", $1
}
' # end of awk
fi
done | sort -u
# comment out the previous line and uncomment the next when debugging
# done
|
