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Date:	Sat, 31 Dec 2011 11:05:03 -0600
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Subject:	Re: broke my perlbrewed perl with rebase
From:	Reini Urban <rurban AT x-ray DOT at>
To:	rkitover AT cpan DOT org, cygwin AT cygwin DOT com
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On Thu, Dec 29, 2011 at 4:22 PM, Rafael Kitover wrote:
> I made a perl to test some stuff with perlbrew, a 5.12.0.
>
> I installed some CPAN modules into it, then I needed to rebase because
> of mapping errors.
>
> I made a copy of perlrebase and modified it thusly:
>
> #!/bin/sh
>
> baseaddr=0x57000000
>
> perl=`which perl`
>
> dll=$(ldd $perl | $perl -anle 'print $F[2] if /cygperl/')
>
> echo $dll >> rebase.lst
> /usr/bin/find ~/perl5 -name \*.dll >> rebase.lst
> /usr/bin/cat rebase.lst | /usr/bin/xargs chmod ug+w
> [ -e /usr/bin/peflags.exe ] && /usr/bin/peflags -t $perl
> /usr/bin/rebase -v -b $baseaddr -T rebase.lst
> [ -e /usr/bin/peflags.exe ] && /usr/bin/grep \.dll rebase.lst \
>        | /usr/bin/peflags -d0 -T - >/dev/null
>
> perlbrew puts its stuff into ~/perl5/perlbrew
>
> I ran this script, and now my perlbrewed perl no longer works at all. It
> exits immediately when I run it, not even perl -v works.
>
> This is what I see in gdb `which perl` after doing a run:
> Starting program:
> /c/Users/rkitover/perl5/perlbrew/perls/perl-5.12.0/bin/perl
> [New Thread 8156.0x9ec]
> [Inferior 1 (process 8156) exited with code 030000000005]
>
> The perlbrew command I used was:
> perlbrew install -n -j 3 perl-5.12.0 -D DEBUGGING -D optimize="-ggdb3"
> -D usethreads
>
> Did I do something wrong with rebase here?

I don't see the error immediately. You have to check the rebase.lst
and ldd perl.exe.
But I strongly advise against using perlbrew on cygwin. There's
something odd going on with PERL5LIB and could not find a solution.

Either us my build.sh and build_common.sh scripts to compile your perls
or use my new App-perlall from my github or CPAN.
Using a customized build.sh is still a bit better.
It is easy to generate custom perl exe and dll and archlib's to
seperate various perl installations globally, which can be easily
rebased and maintained.

I have almost every combination of perl versions,
threaded/non-threaded, DEBUG/non-debug on cygwin to test in
/usr/local/bin/
-- 
Reini Urban
http://cpanel.net/   http://www.perl-compiler.org/

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