Re: Using gcc-4.2 on 10.6 Snow Leopard to target 10.5 Leopard?
Re: Using gcc-4.2 on 10.6 Snow Leopard to target 10.5 Leopard?
- Subject: Re: Using gcc-4.2 on 10.6 Snow Leopard to target 10.5 Leopard?
- From: Mario Emmenlauer <email@hidden>
- Date: Mon, 05 Oct 2009 09:25:33 +0200
Hi,
Joel Reymont wrote:
On Oct 4, 2009, at 11:40 AM, Mario Emmenlauer wrote:
we would like to move our development to 10.6 Snow Leopard, and use
gcc-4.2, while keeping target MacOS 10.5 Leopard. Is it a problem to
run an application compiled with gcc-4.2 on Leopard?
I think you also need --target=i386-apple-darwin8.0.0 and -arch i386.
I'm mainly concerned that gcc-4.2 on 10.6 might link against too new
libraries (especially against libgcc) for targeting 10.5? My application
starts on 10.5 when using the 10.5 SDK, but is there something I should
take special care of? Is using -shared-libgcc discouraged?
The reason I'm asking is that on Linux I could _never_ compile on a
newer system than the target system unless going completely static with
the runtime, so I'm a bit prejudiced against it. Is it really safe on
MacOS?
Cheers,
Mario
--
Dipl. Inf. Mario Emmenlauer Cell: +49-(0)176-23463809
Bitplane AG Office: +41-(0)44-430-1106
Badenerstrasse 682 Fax: +41-(0)44-430-1101
CH-8048 Zürich mailto :mario * emmenlauer.de
Zürich http://www.marssoft.de / http://www.xuvtools.org
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