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Date:	Tue, 22 Jan 2013 22:38:52 +0000
From:	David Stacey <drstacey AT tiscali DOT co DOT uk>
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To:	cygwin AT cygwin DOT com
Subject:	ruby rebase / remap problems
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I have a 'kitchen sink' Cygwin installation from 2013-01-14. This gives 
'rebase' errors when running the following command (taken from a 
./configure script):

$ ruby -r mkmf -e 'exit(have_func("rb_hash_foreach") ? 0 : 1)'
checking for rb_hash_foreach()...       0 [main] ruby 3064 
child_info_fork::abort: unable to remap transdb.so to same address as 
parent (01090000) - try running rebaseall
       1 [main] ruby 1268 child_info_fork::abort: unable to remap etc.so 
to same address as parent (010A0000) - try running rebaseall
       1 [main] ruby 3748 child_info_fork::abort: unable to remap 
transdb.so to same address as parent (01090000) - try running rebaseall
       1 [main] ruby 3148 child_info_fork::abort: unable to remap etc.so 
to same address as parent (010A0000) - try running rebaseall
       1 [main] ruby 472 child_info_fork::abort: unable to remap 
transdb.so to same address as parent (01090000) - try running rebaseall
       1 [main] ruby 1648 child_info_fork::abort: unable to remap etc.so 
to same address as parent (010A0000) - try running rebaseall

The 'rubyrebase' shell script (submitted to this list about a year ago) 
came to my rescue:
http://www.cygwin.com/ml/cygwin/2012-02/msg00701.html

Please could you consider adding this utility to our ruby package, in a 
similar way to the 'perlrebase' script in Cygwin's perl. Further, would 
it be possible to run 'perlrebase' and 'rubyrebase' during setup's post 
install? The _autorebase package does a great job with executables, but 
I understand that it doesn't work with ruby gems or perl modules.

Many thanks in advance for considering this.

Dave.



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