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From: Mike Frysinger <vapier@gentoo.org>
To: Steve Dickson <SteveD@redhat.com>
Subject: Re: [PATCH [nfs-utils]] locktes/rpcgen: tweak how we override compiler settings
Date: Mon, 25 Mar 2013 14:33:18 -0400
Cc: linux-nfs@vger.kernel.org
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On Monday 25 March 2013 12:51:07 Steve Dickson wrote:
> On 25/03/13 12:19, Mike Frysinger wrote:
> > On Monday 25 March 2013 08:42:32 Steve Dickson wrote:
> >> Also what exactly broke that this patch fixes?
> >=20
> > also in my summary:
> > 	Newer autotools will use both CFLAGS and <target>_CFLAGS when compiling
> > 	the <target>.
> >=20
> > so when you cross-compile (e.g. --build=3Dx86_64-linux-gnu
> > --host=3Darm-linux- gnu), and you set CFLAGS to include settings which =
are
> > valid only for the host (e.g. -mfloat-abi=3Dhard -mfp=3Dneon), those fl=
ags
> > will also get passed to the build compiler when compiling these tools
> > and they'll error out (because the build gcc doesn't recognize these
> > flags).
>=20
> And setting AM_CFLAGS does on take care of this problem...
>=20
> I'm just trying to get rid of those warnings...

yeah, i don't know how to make it work w/out triggering the warnings :(. =20
AM_CFLAGS is appended to CFLAGS rather than clobber it.

the concept of having build time tools is a bit foreign to automake atm, so=
 we=20
have to open code this stuff :/.
=2Dmike

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