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Date:	Thu, 10 Apr 2003 19:57:44 +1000 (EST)
From:	=?iso-8859-1?q?Danny=20Smith?= <danny_r_smith_2001 AT yahoo DOT co DOT nz>
Subject:	Re -mno-cygwin and "undefined reference to `_impure_ptr'"?
To:	ingber AT ingber DOT com
Cc:	cygwin AT cygwin DOT com
MIME-Version:	1.0

From: Lester Ingber <ingber at ingber dot com> 
To: cygwin at cygwin dot com 
Date: Thu, 10 Apr 2003 02:03:38 -0400 

> ...
> gcc -shared -mno-cygwin -o asadll.dll -Wl,--out-implib=libasadll.dll.a
-Wl,--export-all-symbols -Wl,--export-dynamic -Wl,--add-stdcall-alias
-Wl,--enable-auto-import -Wl,--whole-archive asa.o asa_usr.o asa_usr_cst.o
-Wl,--no-whole-archive -lm
> Creating library file: libasadll.dll.a
> asa.o(.text+0xede):asa.c: undefined reference to `_impure_ptr'
> ...
> 
> Can anyone suggest what to do about "undefined reference to
> `_impure_ptr'"?  I want to use these DLL's in another software package,
> without having to register (updated) copies of cygwin1.dll, etc.

Compile your objects (asa.o, etc ) with -mno-cygwin.
Danny

> 
> Thanks.
> 
> Lester
> 
> 


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