Re: [PATCH 1/3] tools: testing: Allow importing arch headers in shared.mk

[Lorenzo Stoakes <lorenzo.stoakes@oracle.com>]

On Wed, Aug 27, 2025 at 11:04:41AM +0000, Brendan Jackman wrote:
> There is an arch/ tree under tools. This contains some useful stuff, to
> make that available, import the necessary Make helper file and then add
> it to the -I flags.
>
> There still aren't that many headers so also just smush all of them into
> SHARED_DEPS instead of starting to do any header dependency hocus pocus.
>
> Signed-off-by: Brendan Jackman <jackmanb@google.com>

LGTM, + works locally so:

Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>

> ---
>  tools/testing/shared/shared.mk | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/tools/testing/shared/shared.mk b/tools/testing/shared/shared.mk
> index 923ee2492256b693c5cf16cc014d9d2410be5457..937aaa7623320da1085a8e0f43f6a728ddd3ab1c 100644
> --- a/tools/testing/shared/shared.mk
> +++ b/tools/testing/shared/shared.mk
> @@ -1,6 +1,8 @@
>  # SPDX-License-Identifier: GPL-2.0
> +include ../../scripts/Makefile.arch
>
> -CFLAGS += -I../shared -I. -I../../include -I../../../lib -g -Og -Wall \
> +CFLAGS += -I../shared -I. -I../../include -I../../arch/$(SRCARCH)/include \
> +	  -I../../../lib -g -Og -Wall \

We're also adding lib! Very very nitty but maybe mention in commit msg. But not
a big deal obviously!

>  	  -D_LGPL_SOURCE -fsanitize=address -fsanitize=undefined
>  LDFLAGS += -fsanitize=address -fsanitize=undefined
>  LDLIBS += -lpthread -lurcu
> @@ -11,6 +13,7 @@ SHARED_DEPS = Makefile ../shared/shared.mk ../shared/*.h generated/map-shift.h \
>  	generated/bit-length.h generated/autoconf.h \
>  	../../include/linux/*.h \
>  	../../include/asm/*.h \
> +	../../arch/$(SRCARCH)/include/asm/*.h \

I'm no Makefile master, but I'm guessing this will always be defined _somehow_ :)?

>  	../../../include/linux/xarray.h \
>  	../../../include/linux/maple_tree.h \
>  	../../../include/linux/radix-tree.h \
>
> --
> 2.50.1
>