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From: Michael Olbrich <mol@pengutronix.de>
Date: Fri, 27 Mar 2020 10:52:10 +0100
Subject: Re: [ptxdist] [v2] kernel-headers: build out-of-tree
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To: ptxdist@pengutronix.de
Cc: Sandy Patterson <apatterson@sightlogix.com>

Thanks, applied.

Michael

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On Fri, 27 Mar 2020 10:52:10 +0100, Sandy Patterson <apatterson@sightlogix.com> wrote:
> When building both kernel and kernel-headers from the same folder the
> kernel-headers currently get built inside the tree while kernel is built
> outside. This changes kernel-headers to also get built out-of-tree with
> OOT=KEEP so as not to break some kernel builds.
> 
> Signed-off-by: Sandy Patterson <apatterson@sightlogix.com>
> ---
>  rules/kernel-header.make | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/rules/kernel-header.make b/rules/kernel-header.make
> index c173eb74b..6f540409f 100644
> --- a/rules/kernel-header.make
> +++ b/rules/kernel-header.make
> @@ -25,8 +25,10 @@ KERNEL_HEADER_URL		:= https://git.kernel.org/torvalds/t/$(KERNEL_HEADER).$(KERNE
>  endif
>  KERNEL_HEADER_SOURCE		:= $(SRCDIR)/linux-$(KERNEL_HEADER_VERSION).$(KERNEL_HEADER_SUFFIX)
>  KERNEL_HEADER_DIR		:= $(BUILDDIR)/kernel-header-$(KERNEL_HEADER_VERSION)
> +KERNEL_HEADER_BUILD_DIR	:= $(KERNEL_HEADER_DIR)-build
>  KERNEL_HEADER_PKGDIR		:= $(PKGDIR)/kernel-header-$(KERNEL_HEADER_VERSION)
>  KERNEL_HEADER_LICENSE		:= GPL-2.0-only
> +KERNEL_HEADER_BUILD_OOT	:= KEEP
>  
>  # ----------------------------------------------------------------------------
>  # Prepare
> @@ -37,6 +39,7 @@ KERNEL_HEADER_PATH		:= PATH=$(CROSS_PATH)
>  KERNEL_HEADER_CONF_TOOL		:= NO
>  KERNEL_HEADER_MAKE_OPT		:= \
>  	V=$(PTXDIST_VERBOSE) \
> +	O=$(KERNEL_HEADER_BUILD_DIR) \
>  	HOSTCC=$(HOSTCC) \
>  	ARCH=$(GENERIC_KERNEL_ARCH) \
>  	CROSS_COMPILE=$(PTXCONF_COMPILER_PREFIX)
> 

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