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#! /usr/bin/ksh
# Original Author: Tim Mooney <mooney@golem.phys.ndsu.NoDak.edu>
# $Id: irix6.req,v 1.7 2001/09/15 13:49:11 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.
#
# NOTE: IRIX libraries (even system libraries) have "version information"
# in both the soname and the internal version field, so it's important to
# be able to separate the soname and internal version fields. As has
# become the case on other platforms, the soname/iversion delimiters have
# become the `(' and `)' characters.
#
# On IRIX, use `elfdump -Dl' to find what libraries are required by
# an executable. `elfdump -L' does what we need too, but it gives us more
# than we really need.
#
# Example `elfdump -Dl' output:
#
#$elfdump -Dl /usr/bin/X11/xterm
#
#
#
#/usr/bin/X11/xterm:
#
# **** MIPS LIBLIST INFORMATION ****
#.liblist :
#[INDEX] Timestamp Checksum Flags Name Version
#[1] Nov 23 15:39:02 1997 0x4da65893 ----- libXaw.so.2 sgi2.0
#[2] Nov 23 15:39:02 1997 0x414eece6 ----- libXmu.so sgi1.0
#[3] Nov 23 15:39:02 1997 0x6f314e69 ----- libXt.so sgi1.0
#[4] Nov 23 15:39:02 1997 0xcbe81fff ----- libXext.so sgi1.0
#[5] Nov 23 15:39:02 1997 0x89ae8e98 ----- libX11.so.1 sgi1.0
#[6] Oct 27 01:00:29 1997 0x99b27890 ----- libcurses.so sgi1.0
#[7] Jun 16 18:23:15 1997 0x92321a0c ----- libc.so.1 sgi1.0
#
#
# TVM: it might be better to re-write this so that `file' isn't used, since
# it can all be done with `elfdump', but this works.
#
PATH=/usr/bin:/usr/sbin
export PATH
#
# TVM: Marc Stephenson (marc@austin.ibm.com) points out we run things
# like `file', et. al. and expect the output to be what we see in the
# C/POSIX locale. Make sure it is so.
#
LANG=C
export LANG
#
# TVM: switch to using `while read ...' instead of `for f in ...', because
# packages with a large number of files could be too big for one shell
# variable to hold.
#
IFS=""
while read f
do
#
# Uncomment the next line for additional debugging:
#echo "read ->$f<-"
#
# Only run file once per file:
#
file_output=`file $f`
#
# Handle scripts first
#
is_shell_script=`echo "$file_output" | grep 'script text' | \
cut -d: -f 2 | awk '{ print $1 }'`
#
# If it's a script...
#
if test X"$is_shell_script" != X ; then
echo "$is_shell_script"
#
# use `continue' to skip back up to the top of the loop. We've
# already done as much as we need to, and this saves me from having
# to have an else, and another indent level... ;-)
#
continue
fi
#
# the `else' is implied here, since we used `continue' in the test above
#
#
# It might be a shared library.
#
maybe_shared_lib=`echo "$file_output" | grep -E 'executable|lib'`
if test X"$maybe_shared_lib" != X ; then
elfdump -Dl $f 2>/dev/null \
| awk '
#
# Since this entire awk script is enclosed in single quotes,
# you need to be careful to not use single quotes, even in awk
# comments, if you modify this script.
#
BEGIN {
found_column_headers = 0;
FS = " ";
RS = "\n";
OFS="";
}
# uncomment the next line for debugging information
#{ print "Saw input:", $0 }
found_column_headers == 1 && $0 !~ /^$/ {
# get the library name (field 15) and the library version (field 16)
# if present.
numfields = split($0,fields)
if (numfields == 8) {
print fields[8]
} else if (numfields == 9) {
#
print fields[8], "(", fields[9], ")"
} else if (numfields > 9) {
#
# SGI has this annoying habit of putting comments, complete
# with whitespace, in their library IVERSION field. Yuck.
#
# Handle libraries like this gracefully.
#
verfields = split(fields[NF], junk, "#")
if (verfields == 2) {
print fields[8], "(", junk[2], ")"
} else if (verfields > 2) {
print fields[8], "(", junk[verfields], ")"
} else {
print "Cannot find version:", fields[numfields] | "cat 2>&1"
}
}
}
/^\[INDEX\].Timestamp.*Checksum.*Flags.*Name.*Version$/ {
# we better start paying attention now.
found_column_headers = 1
#
# uncomment the next line for debugging information
#print "found the column headers: ", $0
}
' # end of awk
fi
done | sort -u
# comment out the previous line and uncomment the next when debugging
#done
|
