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Message-ID: <42D403FC.2060402@familiehaase.de>
Date: Tue, 12 Jul 2005 19:55:08 +0200
From: "Gerrit P. Haase" <gerrit AT familiehaase DOT de>
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To: cygwin AT cygwin DOT com
Subject: Re: gcc: .rdata problem
References: <SERRANOIHKZtitZi6pH000004cb AT SERRANO DOT CAM DOT ARTIMI DOT COM>
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Dave Korn wrote:

> ----Original Message----
> 
>>From: Charles Wilson
>>Sent: 12 July 2005 01:27
> 
> 
>>I dunno about the .rdata issue, but you can't use /usr/bin/libtool with
>>g++-3.4.4 because /usr/bin/libtool encodes explicit predep and postdep
>>objects and paths specific to g++-3.3.3.
> 
> 
>>Long term fix: I need to release libtool packages in sync with gcc
>>releases.  Look for a g++-3.4.4 compatible (but g++-3.3.3 INcompatible)
>>libtool1.5 update soon.
>>
> 
> 
> dk AT mace /artimi/firmware> grep 3.3.3 /bin/libtool
> predep_objects="/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/crtbegin.o"
> postdep_objects="/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/crtend.o"
> compiler_lib_search_path="-L/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3
> -L/usr/lib/gcc
> -lib/i686-pc-cygwin/3.3.3/../../.."
> dk AT mace /artimi/firmware>
> 
>   Hey, why not extract that stuff from gcc somehow?  The -print-search-dirs
> output could be manipulated to give you that stuff, couldn't it?

Why wasn't this included in the specs?

Anyway, since crt* .o object files are no longer present in 3.4,
simply checking which version is used should do it:

$ gcc --version | grep 3.3 && echo true

$ gcc --version | grep 3.4 && echo true
gcc (GCC) 3.4.4 (cygming special) (gdc 0.12, using dmd 0.125)
true

Depending on the result, define *dep_objects or leave it undefined.


Gerrit

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