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Re: Cross Compiling GDB


On 19/08/2003 19:31:05 gdb-owner wrote:
>On Tue, Aug 19, 2003 at 02:00:37PM -0400, Christopher Faylor wrote:
>> On Tue, Aug 19, 2003 at 01:43:05PM -0400, Daniel Jacobowitz wrote:
>> >On Tue, Aug 19, 2003 at 06:40:12PM +0100, Chris.Pedley@arm.com wrote:
>> >>Is it actually possible to cross compile GDB for anything other than
>> >>cygwin.  In the output from ./configure when trying to configure for
>> >>cross compiling using the GNU ARM tools I get the message: configure:
>> >>cross-compiling for a non-cygwin target is not supported
>> >>
>> >>Also, can anyone confirm to me what the exact definitions of host,
>> >>target and build are when passed to ./configure?
>> >>
>> >>Thanks.
>> >
>> >It sounds like you're using the Cygwin sources for GDB.  If you're not
>> >building a Cygwin-targeted GDB, don't do that - or direct comments to
>> >the cygwin list.
>>
>> "Cygwin sources for gdb"?  The sources for cygwin's gdb are the same as
>> for any other platform.
>
>If so I apologize, but I swear I've heard of local patches from the
>cygwin people before.  Maybe I was thinking of another tool?
>
>In any case, that error message doesn't come from the FSF sources
>anywhere.
>
>--
>Daniel Jacobowitz
>MontaVista Software                         Debian GNU/Linux Developer

I presume that the GDB at the following location isn't cygwin specific?
ftp.gnu.org/gnu/gdb/gdb-5.3.tar.gz

However, if you look at line 53 in gdb-5.3/readline/configure.in then
it issues the error given above if cross compiling for a non-cygwin
target.

Also my questions about build, host and target have been raised
because I'm unsure about the check for a cross compiler at line 123
in gdb-5.3/configure.in.  This checks whether the host and target
are the same thing, and only assumes it is a cross compiler if they
are different.  Why isn't this actually checking build and host?

Thanks.

--
Chris Pedley,  Graduate Engineer
Intellectual Property Solutions Division
ARM Ltd, 110 Fulbourn Rd, Cambridge CB1 9NJ UK
Tel : +44 1223 400847     Fax: +44 1223 400410



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