Bug 26234 - find-requires should not include ld.so.preload contents
find-requires should not include ld.so.preload contents
Status: CLOSED WONTFIX
Product: Red Hat Linux
Classification: Retired
Component: rpm-build (Show other bugs)
7.0
i386 Linux
medium Severity medium
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Assigned To: Jeff Johnson
David Lawrence
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Depends On:
Blocks:
  Show dependency treegraph
 
Reported: 2001-02-05 17:26 EST by redhat-bugs
Modified: 2007-04-18 12:31 EDT (History)
0 users

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Doc Type: Bug Fix
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Last Closed: 2001-02-21 13:17:27 EST
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Description redhat-bugs 2001-02-05 17:26:57 EST
Hello.

(See bug 8250)

I disagree that this is an issue with the build environment.  I think a
build machine SHOULD be able to have a preload list without it affecting
the resulting RPM.  There is a discussion on the rpm-list regarding this
and the message at
http://www.redhat.com/mailing-lists/rpm-list/msg01941.html provides a very
elegant solution.  It uses objdump instead of ldd to obtain the requires
list.

Why not use this solution?
Comment 1 Jeff Johnson 2001-02-21 13:17:21 EST
Changing component.
Comment 2 Jeff Johnson 2001-05-24 09:32:32 EDT
There are two problems that I can see with using objdump -p rather than ldd:

1) objdump -p output does not include
	/lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x40000000)

2) objdump -p may not work with a.out executables.

Yes, there are possible workarounds for both problems. I still don't
believe that rpm defaults can possibly Get It Right for all build
systems, and so it's not worth attempting.

If you really want to eliminate LD_PRELOAD dependencies, then write your
own find-requires and filter out the unwanted dependencies:
	#!/bin/sh
	/usr/lib/rpm/find-requires | sed -e 's/whatever//'
and configure your build system by doing (assuming above script is
in /etc/rpm/my-find-requires):
	echo "%_find_requires /etc/rpm/my-find-requires"

A per-package configuration is also possible.

'Tain't hard ...

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