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Mail Archives: cygwin-apps/2001/04/18/18:45:30

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Message-ID: <8D00C32549556B4E977F81DBC24E985DC83D@crtsmail1.technol_exch.corp.riotinto.org>
From: "Billinghurst, David (CRTS)" <David DOT Billinghurst AT riotinto DOT com>
To: "'Jeff Sturm'" <jsturm AT one-point DOT com>, Anthony Green <green AT redhat DOT com>
Cc: "'Robert Collins'" <robert DOT collins AT itdomain DOT com DOT au>, java AT gcc DOT gnu DOT org,
cygwin-apps AT sources DOT redhat DOT com
Subject: RE: gcj && libjava for cygwin
Date: Wed, 18 Apr 2001 22:44:11 -0000
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This is on the 3.0 branch, but I can try the mainline.

> -----Original Message-----
> From:	Jeff Sturm [SMTP:jsturm AT one-point DOT com]
> Sent:	Thursday, 19 April 2001 5:21
> To:	Anthony Green
> Cc:	Billinghurst, David (CRTS); 'Robert Collins'; java AT gcc DOT gnu DOT org;
> cygwin-apps AT sources DOT redhat DOT com
> Subject:	RE: gcj && libjava for cygwin
> 
> 
> 
> On Wed, 18 Apr 2001, David Billinghurst wrote:
> > What I don't understand where _Jv_Sjlj_Throw and JNI_OnLoad are defined.
> 
> The former is generated by the compiler, which defaults to sjlj exceptions
> on cygwin since DWARF2 is not supported for that target.
> 
> To get libgcj in sync, configure with --enable-sjlj-exceptions.  That
> could be done in configure.host (however I thought _Jv_Sjlj_Throw was
> going away due to rth's work on EH personalities... are you working on the
> branch, or mainline?)
> 
> On Wed, 18 Apr 2001, Anthony Green wrote:
> > JNI_OnLoad is a weak symbol -- see natFirstThread.cc.  Shared libraries
> of
> > JNI code define it. Do weak symbols not work on cygwin?
> 
> They don't.  What is the proper workaround?  Define a JNI_OnLoad stub in a
> static archive?
> 
> Jeff
> 

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