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Re: Building GCC 4.9 biarch (i686+x86_64) on Debian 6.0 i686
- From: Jonathan Wakely <jwakely dot gcc at gmail dot com>
- To: Alex Blekhman <a dot tinsmith at gmail dot com>
- Cc: gcc-help <gcc-help at gcc dot gnu dot org>
- Date: Wed, 18 Mar 2015 14:41:58 +0000
- Subject: Re: Building GCC 4.9 biarch (i686+x86_64) on Debian 6.0 i686
- Authentication-results: sourceware.org; auth=none
- References: <loom dot 20150318T070327-942 at post dot gmane dot org> <55094572 dot 8000402 at redhat dot com> <loom dot 20150318T115826-290 at post dot gmane dot org> <55096526 dot 2000709 at redhat dot com> <55096626 dot 9010408 at redhat dot com> <loom dot 20150318T125059-812 at post dot gmane dot org>
On 18 March 2015 at 11:58, Alex Blekhman wrote:
> I can live with 64-bit system, which has 64-bit GCC. What is essential for
> me is that I can build both 32-bit and 64-bit targets and then run 32-bit
> targets (during test phase of the build).
> How difficult (easy?) is it to have 64-bit Debian/Redhat machine running
> 32-bit executables?
As Andrew says, that way round is completely trivial, and is enabled
by default on x86_64 GNU/Linux.
The minimum requirement is just to have the 32-bit pieces of glibc,