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From:	<Neil DOT Mowbray AT calgacus DOT com>
To:	<cygwin AT cygwin DOT com>
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Subject:	RE: /var/lib/alternatives/gcc missing for alternatives 1.3.30c
Date:	Fri, 1 Jan 2010 20:59:57 +0800
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Thanks folks.  I did have a /etc/postinstll/gcc.sh.done but it was
installing v3.0
so I modified to v4.0 and run it which solved the problem.  Also apologies
for not understanding how alternatives works -- all fixed now.

Regards, Neil

Larry Hall (Cygwin) wrote:
> On 12/30/2009 08:07 AM, Neil DOT Mowbray AT calgacus wrote:
>> Can someone please provide a valid /var/lib/alternatives/gcc file or link
>>  me to either it's syntax or the programs source?
> 
> This is created when alternatives runs for gcc.  If you're missing it, it
> suggests to me that alternatives wasn't run.  Check
> '/etc/postinstall/gcc.sh*" and "/etc/postinstall/gcc-g++.sh*".  If there
is
> no "done" suffix, these didn't run, which is why you don't have the
> alternatives files you're looking for. If there is a "done" suffix, these
> did run but apparently didn't do so successfully.  Try running them again
> by hand and see what errors, if any, pop up.

  Also, apologies: there was a packaging hiccup in the latest version, and
the
execute permissions got lost.  If you try to just run
set-gcc-default-[34].sh
at the shell, you'll get a "Permission denied" error; you can either chmod
a+x
them, or use the ". <name>" (aka bash "source" builtin) syntax to invoke
them.

    cheers,
      DaveK

-----Original Message-----
From: Neil DOT Mowbray AT calgacus DOT com [mailto:Neil DOT Mowbray AT calgacus DOT com] 
Sent: 30 December 2009 21:07
To: cygwin AT cygwin DOT com
Subject: /var/lib/alternatives/gcc missing for alternatives 1.3.30c

Dear Folks,

The scripts /bin/set-gcc-default-[34].sh are written to use alternatives to
install gcc-3 and gcc-4.  But /var/lib/alternatives/gcc is missing.

I tried to create it using g++ as an example but all functions failed with
an error failed to read link /usr/bin/gcc.exe (which is the orginal
problem).

I look for the source but the cygwin alternatives src tar ball doesn't
contain the source nor can I find it on cygwin.com or with a quick google
search.

So I write this message.

Can someone please provide a valid /var/lib/alternatives/gcc file or link me
to either it's syntax or the programs source?

Regards, Neil


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