[PATCH 3/3] tools: testing: Support EXTRA_CFLAGS in shared.mk

[Lorenzo Stoakes]

On Wed, Aug 27, 2025 at 11:04:43AM +0000, Brendan Jackman wrote:
> This allows the user to set cflags when building tests that use this
> shared build infrastructure.
>
> For example, it enables building with -Werror so that patch-check
> scripts will fail:
>
> 	make -C tools/testing/vma -j EXTRA_CFLAGS=-Werror
>
> Signed-off-by: Brendan Jackman <jackmanb at google.com>

Nice this is useful thanks!

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

> ---
>  tools/testing/shared/shared.mk | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/tools/testing/shared/shared.mk b/tools/testing/shared/shared.mk
> index 937aaa7623320da1085a8e0f43f6a728ddd3ab1c..5bcdf26c8a9d51ab2cbd264f2f8a7445d7c036e3 100644
> --- a/tools/testing/shared/shared.mk
> +++ b/tools/testing/shared/shared.mk
> @@ -4,6 +4,7 @@ include ../../scripts/Makefile.arch
>  CFLAGS += -I../shared -I. -I../../include -I../../arch/$(SRCARCH)/include \
>  	  -I../../../lib -g -Og -Wall \
>  	  -D_LGPL_SOURCE -fsanitize=address -fsanitize=undefined
> +CFLAGS += $(EXTRA_CFLAGS)
>  LDFLAGS += -fsanitize=address -fsanitize=undefined
>  LDLIBS += -lpthread -lurcu
>  LIBS := slab.o find_bit.o bitmap.o hweight.o vsprintf.o
>
> --
> 2.50.1
>