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