[PATCH 06/10] selftests: landlock: Add the uapi headers include variable
Mickaël Salaün
mic at digikod.net
Tue Jan 18 12:35:46 UTC 2022
On 18/01/2022 12:29, Muhammad Usama Anjum wrote:
> Out of tree build of this test fails if relative path of the output
> directory is specified. Remove the un-needed include paths and use
> KHDR_INCLUDES to correctly reach the headers.
>
> Signed-off-by: Muhammad Usama Anjum <usama.anjum at collabora.com>
> ---
> tools/testing/selftests/landlock/Makefile | 11 +++--------
> 1 file changed, 3 insertions(+), 8 deletions(-)
>
> diff --git a/tools/testing/selftests/landlock/Makefile b/tools/testing/selftests/landlock/Makefile
> index a99596ca9882..44c724b38a37 100644
> --- a/tools/testing/selftests/landlock/Makefile
> +++ b/tools/testing/selftests/landlock/Makefile
> @@ -1,6 +1,6 @@
> # SPDX-License-Identifier: GPL-2.0
>
> -CFLAGS += -Wall -O2
> +CFLAGS += -Wall -O2 $(KHDR_INCLUDES)
>
> src_test := $(wildcard *_test.c)
>
> @@ -12,13 +12,8 @@ KSFT_KHDR_INSTALL := 1
> OVERRIDE_TARGETS := 1
> include ../lib.mk
>
> -khdr_dir = $(top_srcdir)/usr/include
This should be updated to:
khdr_dir = ${abs_srctree}/usr/include
Using a global KHDR_DIR instead of khdr_dir could be useful for others too.
> -
> -$(khdr_dir)/linux/landlock.h: khdr
> - @:
This should be kept as is, otherwise we loose this check to rebuild the
headers if linux/landlock.h is updated, which is handy for development.
KVM lost a similar behavior with this patch series.
> -
> $(OUTPUT)/true: true.c
> $(LINK.c) $< $(LDLIBS) -o $@ -static
>
> -$(OUTPUT)/%_test: %_test.c $(khdr_dir)/linux/landlock.h ../kselftest_harness.h common.h
This should not be changed.
> - $(LINK.c) $< $(LDLIBS) -o $@ -lcap -I$(khdr_dir)
> +$(OUTPUT)/%_test: %_test.c ../kselftest_harness.h common.h
> + $(LINK.c) $< $(LDLIBS) -o $@ -lcap
This doesn't work when building in the local directory because
$abs_srctree and $KHDR_INCLUDES are empty:
cd tools/testing/selftests/landlock && make
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