Hi Marc, On Wed, Feb 06, 2002 at 08:09:56PM +0100, Marc Haber wrote: > I am currently preparing a package that needs to establish a > pre-loaded library via /etc/ld.so.preload, and I'd like to discuss > ways to do this in a non-destructive way without breaking the system. > This is what I think of: > configure: > - ask user via debconf if she wants to have the library installed to > /etc/ld.so.preload. > postinst: > - if user allowed us to install: > grep ^$LIBRARY /etc/ld.so.preload > /dev/null 2>&1 || cat $LIBRARY > >> /etc/ld.so.preload > prerm: > grep -v ^$LIBRARY /etc/ld.so.preload > /etc/ld.so.preload.new && mv > /etc/ld.so.preload.new /etc/ld.so.preload. > Do I have to take extra special precautions? Or is there even a > package available that I could steal debconf code from? As you know, preloading a library to ld.so.preload affects all software on the system and a bug in the library can lead to dangerous system instability. Perhaps you could provide specific details on what this library is, and why it needs to be preloaded (instead of, say, provided in a wrapper for a specific program)? Steve Langasek postmodern programmer
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