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Date:	Tue, 06 Oct 2015 14:08:25 +0200
From:	Johannes Thumshirn <jthumshirn@...e.de>
To:	Jiri Slaby <jslaby@...e.cz>
Cc:	akpm@...ux-foundation.org, JBottomley@...n.com, kxie@...lsio.com,
	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -resend_2 1/1] cxgbi: fix build with EXTRA_CFLAGS

Jiri Slaby <jslaby@...e.cz> writes:

> EXTRA_CFLAGS are intended to be used on the command line, not by
> Kbuild. In case of cxgbi drivers, use of EXTRA_CFLAGS results in a
> compilation failure:
> drivers/scsi/cxgbi/cxgb4i/cxgb4i.c:24:21: fatal error: t4_regs.h: No such file or directory
> when building like:
> $ make drivers/scsi/cxgbi/ EXTRA_CFLAGS=-Wwhatever
>
> Use ccflags-y instead of EXTRA_CFLAGS.
>
> Signed-off-by: Jiri Slaby <jslaby@...e.cz>
> ---
> Sent on:
> Sep 10
> Jun 9
>
>  drivers/scsi/cxgbi/cxgb3i/Kbuild | 2 +-
>  drivers/scsi/cxgbi/cxgb4i/Kbuild | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/scsi/cxgbi/cxgb3i/Kbuild b/drivers/scsi/cxgbi/cxgb3i/Kbuild
> index 6f095e28a974..961a12f6d318 100644
> --- a/drivers/scsi/cxgbi/cxgb3i/Kbuild
> +++ b/drivers/scsi/cxgbi/cxgb3i/Kbuild
> @@ -1,3 +1,3 @@
> -EXTRA_CFLAGS += -I$(srctree)/drivers/net/ethernet/chelsio/cxgb3
> +ccflags-y += -I$(srctree)/drivers/net/ethernet/chelsio/cxgb3
>  
>  obj-$(CONFIG_SCSI_CXGB3_ISCSI) += cxgb3i.o
> diff --git a/drivers/scsi/cxgbi/cxgb4i/Kbuild b/drivers/scsi/cxgbi/cxgb4i/Kbuild
> index 8290cdaa4652..37458643749b 100644
> --- a/drivers/scsi/cxgbi/cxgb4i/Kbuild
> +++ b/drivers/scsi/cxgbi/cxgb4i/Kbuild
> @@ -1,3 +1,3 @@
> -EXTRA_CFLAGS += -I$(srctree)/drivers/net/ethernet/chelsio/cxgb4
> +ccflags-y += -I$(srctree)/drivers/net/ethernet/chelsio/cxgb4
>  
>  obj-$(CONFIG_SCSI_CXGB4_ISCSI) += cxgb4i.o

Reviewed-by: Johannes Thumshirn <jthumshirn@...e.de>

-- 
Johannes Thumshirn                                          Storage
jthumshirn@...e.de                                +49 911 74053 689
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: Felix Imendörffer, Jane Smithard, Graham Norton
HRB 21284 (AG Nürnberg)
Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850
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