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From: Wei Liu <wl@xen.org>
To: Andrii Anisov <andrii.anisov@gmail.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>,
	Julien Grall <julien@xen.org>, Wei Liu <wl@xen.org>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	George Dunlap <George.Dunlap@eu.citrix.com>,
	Andrew Cooper <andrew.cooper3@citrix.com>,
	Ian Jackson <ian.jackson@eu.citrix.com>,
	Julien Grall <julien.grall@arm.com>,
	Jan Beulich <jbeulich@suse.com>,
	xen-devel@lists.xenproject.org
Subject: Re: [Xen-devel] [RFC 1/7] xen: clang: Support correctly cross-compile
Date: Wed, 6 Nov 2019 11:07:45 +0000	[thread overview]
Message-ID: <20191106110745.6jdbhrefdnibj5hc@debian> (raw)
In-Reply-To: <1573031953-12894-2-git-send-email-andrii.anisov@gmail.com>

On Wed, Nov 06, 2019 at 11:19:07AM +0200, Andrii Anisov wrote:
> From: Julien Grall <julien.grall@arm.com>
> 
> Clang uses "-target" option for cross-compilation.
> 
> Signed-off-by: Julien Grall <julien.grall@arm.com>
> ---
>  config/StdGNU.mk | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)
> 
> diff --git a/config/StdGNU.mk b/config/StdGNU.mk
> index 039274e..48c50b5 100644
> --- a/config/StdGNU.mk
> +++ b/config/StdGNU.mk
> @@ -1,8 +1,13 @@
>  AS         = $(CROSS_COMPILE)as
>  LD         = $(CROSS_COMPILE)ld
>  ifeq ($(clang),y)
> -CC         = $(CROSS_COMPILE)clang
> -CXX        = $(CROSS_COMPILE)clang++
> +ifneq ($(CROSS_COMPILE),)
> +CC         = clang -target $(CROSS_COMPILE:-=)
> +CXX        = clang++ -target $(CROSS_COMPILE:-=)
> +else
> +CC         = clang
> +CXX        = clang++
> +endif
>  LD_LTO     = $(CROSS_COMPILE)llvm-ld

Do you not need to fix llvm-ld too? I _think_ the relevant option is
-march.

Wei.

>  else
>  CC         = $(CROSS_COMPILE)gcc
> -- 
> 2.7.4
> 

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  reply	other threads:[~2019-11-06 11:08 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-06  9:19 [Xen-devel] [RFC 0/7] Build XEN with ARM Compiler 6.6.3 Andrii Anisov
2019-11-06  9:19 ` [Xen-devel] [RFC 1/7] xen: clang: Support correctly cross-compile Andrii Anisov
2019-11-06 11:07   ` Wei Liu [this message]
2019-11-06 15:24   ` Jan Beulich
2019-11-18  6:08   ` Julien Grall
2019-11-06  9:19 ` [Xen-devel] [RFC 2/7] WIP: Compilation with ARM DS-6 compiler Andrii Anisov
2019-11-06 15:28   ` Jan Beulich
2019-11-06 22:08     ` Artem Mygaiev
2019-11-07  7:31       ` Jan Beulich
2019-11-13 17:15         ` Artem Mygaiev
2019-11-13 23:19           ` Julien Grall
2019-11-14 14:12             ` Artem Mygaiev
2019-11-18  6:18               ` Julien Grall
2019-11-19 15:16                 ` Artem Mygaiev
2019-11-19 16:13                   ` Julien Grall
2019-11-06  9:19 ` [Xen-devel] [RFC 3/7] arm64:armds: ARM Compiler 6.6 does not accept `rx` registers naming for AArch64 Andrii Anisov
2019-11-06 15:32   ` Jan Beulich
2019-11-11 20:49     ` Stefano Stabellini
2019-11-13  5:56   ` Julien Grall
2019-11-06  9:19 ` [Xen-devel] [RFC 4/7] arm/gic: Drop pointless assertions Andrii Anisov
2019-11-11 20:52   ` Stefano Stabellini
2019-11-13  1:14     ` Julien Grall
2019-11-20 22:15       ` Stefano Stabellini
2019-11-06  9:19 ` [Xen-devel] [RFC 5/7] WIP:arm64:armds: Build XEN with ARM Compiler 6.6 Andrii Anisov
2019-11-11 21:26   ` Stefano Stabellini
2019-11-13  5:50     ` Julien Grall
2019-11-14 11:31       ` Andrii Anisov
2019-11-18  7:03         ` Julien Grall
2019-11-14 11:14     ` Andrii Anisov
2019-11-20 22:56       ` Stefano Stabellini
2019-11-06  9:19 ` [Xen-devel] [RFC 6/7] arm: Introduce dummy empty functions for data only C files Andrii Anisov
2019-11-11 20:57   ` Stefano Stabellini
2019-11-13 16:41     ` Andrii Anisov
2019-11-13 23:03     ` Julien Grall
2019-11-14 13:32       ` Artem Mygaiev
2019-11-20 22:20         ` Stefano Stabellini
2019-11-13  5:51   ` Julien Grall
2019-11-13 17:07     ` Andrii Anisov
2019-11-06  9:19 ` [Xen-devel] [RFC 7/7] arm/gic-v3: add GIC version suffix to iomem range variables Andrii Anisov
2019-11-11 20:59   ` Stefano Stabellini
2019-11-13  1:25     ` Julien Grall
2019-11-14  8:35     ` Andrii Anisov
2019-11-20 22:23       ` Stefano Stabellini
2019-11-21  9:05         ` Andrii Anisov

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