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Re: [Qemu-devel] [PULL v2 for-2.8 0/9] tcg queued patches

From: Peter Maydell
Subject: Re: [Qemu-devel] [PULL v2 for-2.8 0/9] tcg queued patches
Date: Tue, 1 Nov 2016 21:08:48 +0000

On 1 November 2016 at 19:21, Richard Henderson <address@hidden> wrote:
> On 11/01/2016 12:17 PM, Peter Maydell wrote:
>> On 1 November 2016 at 17:51, Richard Henderson <address@hidden> wrote:
>>> The usual pain point for me is building for 32-bit on a 64-bit
>>> system, where there is no cross-prefix that one can use, and
>>> PKG_CONFIG_PATH and --extra-cflags are the only changes.
>> That sounds like a bug in how the 32-bit compilers work on
>> x86 ;-) Ideally you should be able to get a 32-bit compile
>> with i586-linux-gnu-gcc...

> gcc -m32 worked very well for years, before pkg-config
> came along and mucked things up by using package-local
> include and library directories.  As long as everything
> was installed in the toolchain-aware search paths, everything
> Just Worked.

-m32 doesn't extend to anything other than the 32-bit/64-bit
special case, though, and pkg-config does more than just
tell you include paths.

-- PMM

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