make install prefix=XXX to different prefix gives errors using gcc-4_1-branch

[Asfand Yar Qazi]

Brian Dessent wrote:
> Asfand Yar Qazi wrote:
> 
> 
>>Actually, I'm writing an installation script that automatically
>>downloads/compiles/installs gcc-4.1 from SVN.  And the same location
>>(/usr/local/gcc) is also holding or is going to hold other versions of gcc
>>(4.0.2, 2.95.3) and I want them all to co-exist as gcc-2.95.3, g++-4.1.0, etc.
>>  I rename the files from the DESTDIR/bin/XXX to /usr/local/gcc/bin/XXX-4.1.0
>>etc., and do the same with the man pages so they can co-exist with other
>>versions (so I know which compiler takes which flags, etc.)  I'd rather not do
>>a straight make install and then rename/delete in the target directory - too
>>messy. I'd rather just copy across the files I need.
> 
> 
> If that is your goal then you should set --prefix to the same for all of
> them, forget DESTDIR, and use --program-suffix or
> --program-transform-name in concert with
> --enable-version-specific-runtime-libs.  Work with the grain of the
> build system instead of against it.

The distro I use, Gentoo, does this 'install into a separate place to what you 
told configure you would' for EVERY package it uses - so it is a standard 
feature, and I am not working against the grain.

As I also said, I don't want to mess around with renaming and deleting stuff 
inside my target directory, so I won't be doing that.

> 
> BTW this will still not allow versioned info files, but this can be
> fixed easily with a patch.  There is one in the debian gcc patchset
> called "rename-info-files" that does just this.

I have no need for info files, but thanks anyway.  I hate the bloody things - 
up with man, down with info!

Thanks,
        Asfand Yar

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