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Mail Archives: cygwin-apps/2001/04/15/23:48:46

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Message-ID: <01dc01c0c628$23c1f880$0200a8c0@lifelesswks>
From: "Robert Collins" <robert DOT collins AT itdomain DOT com DOT au>
To: <cygwin-apps AT sources DOT redhat DOT com>
References: <01b301c0c621$063e4ae0$0200a8c0 AT lifelesswks> <200104160327 DOT XAA06356 AT envy DOT delorie DOT com>
Subject: Re: next porting question for gcj
Date: Mon, 16 Apr 2001 13:48:45 +1000
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----- Original Message -----
From: "DJ Delorie" <dj AT delorie DOT com>
To: <robert DOT collins AT itdomain DOT com DOT au>
Cc: <cygwin-apps AT sources DOT redhat DOT com>
Sent: Monday, April 16, 2001 1:27 PM
Subject: Re: next porting question for gcj


>
> GCC supports alloca directly.  You shouldn't need any includes.
>

I assume you guys haven't looked into gcj and libjava - if you have
please feel free to correct me (I'm only looking into this as a followup
from Chris's comment last month).
...
There's no alloca in the standard cygwin includes, in winsup.h there's
#define alloca __builtin_alloca.

this errror is occuring during the make bootstrap process. AFAIK only
the gcc headers are used (I'm using the cvs GCC 3 branch).

I've done some debug tracking and patched gcj to apparently work
correctly under cygwin. libjava just seems to have some header issues.

Would inserting  the __builtin_alloca define be a reasonable workaround?
(__CYGWIN__ protected of course).

Rob

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