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Re: build v6.6 -m32 on x86_64
- From: Daniel Jacobowitz <drow at false dot org>
- To: Barry Branham <bhb at branham dot ws>
- Cc: gdb at sourceware dot org
- Date: Sun, 18 Feb 2007 20:25:07 -0500
- Subject: Re: build v6.6 -m32 on x86_64
- References: <1171838559.6353.6.camel@emc2.branham.ws>
On Sun, Feb 18, 2007 at 04:42:39PM -0600, Barry Branham wrote:
> Hello,
>
> Are there ./configure options which will result in building a 32 bit
> version of gdb. I'm currently running FC6 64 on an AMD Athon 64 X2
> system.
>
> I have the FC6 32bit 6.5 rpm installed but am getting an
> "thread_get_info_callback: cannot get thread info: generic error"
> when trying to debug programs linked with libpthread.so.
>
> So thought I'd try 6.6.
You just need to set CC or CFLAGS appropriately before running
configure. However, I know of at least one kernel bug in the x86_64
ptrace emulation for 32-bit processes, so I really don't recommend
doing this if you can avoid it - I would expect trouble with thread
debugging as a symptom of that.
--
Daniel Jacobowitz
CodeSourcery