netdev - [PATCH net 1/2] selftests/bpf: Fix build error with ima

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Message-Id: <20220512071819.199873-2-liuhangbin@gmail.com>
Date:   Thu, 12 May 2022 15:18:18 +0800
From:   Hangbin Liu <liuhangbin@...il.com>
To:     netdev@...r.kernel.org
Cc:     Shuah Khan <shuah@...nel.org>, Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>,
        Ilya Leoshkevich <iii@...ux.ibm.com>,
        linux-kselftest@...r.kernel.org, bpf@...r.kernel.org,
        Hangbin Liu <liuhangbin@...il.com>
Subject: [PATCH net 1/2] selftests/bpf: Fix build error with ima_setup.sh

KP fixed ima_setup.sh missing issue when build test_progs separately with
commit 854055c0cf30 ("selftests/bpf: Fix flavored variants of
test_ima"). But the fix is incorrect because the build will failed with
error:

  $ OUTPUT="/tmp/bpf" make test_progs
    [...]
  make: *** No rule to make target '/tmp/bpf/ima_setup.sh', needed by 'ima_setup.sh'.  Stop.

Fix it by adding a new variable TRUNNER_EXTRA_BUILD to build extra binaries.
Left TRUNNER_EXTRA_FILES only for copying files

Fixes: 854055c0cf30 ("selftests/bpf: Fix flavored variants of test_ima")
Signed-off-by: Hangbin Liu <liuhangbin@...il.com>
---
 tools/testing/selftests/bpf/Makefile | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index 3820608faf57..5944d3a8fff6 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -466,10 +466,10 @@ $(TRUNNER_EXTRA_OBJS): $(TRUNNER_OUTPUT)/%.o:				\
 
 # non-flavored in-srctree builds receive special treatment, in particular, we
 # do not need to copy extra resources (see e.g. test_btf_dump_case())
-$(TRUNNER_BINARY)-extras: $(TRUNNER_EXTRA_FILES) | $(TRUNNER_OUTPUT)
+$(TRUNNER_BINARY)-extras: $(TRUNNER_EXTRA_BUILD) | $(TRUNNER_OUTPUT)
 ifneq ($2:$(OUTPUT),:$(shell pwd))
 	$$(call msg,EXT-COPY,$(TRUNNER_BINARY),$(TRUNNER_EXTRA_FILES))
-	$(Q)rsync -aq $$^ $(TRUNNER_OUTPUT)/
+	$(Q)rsync -aq $(TRUNNER_EXTRA_FILES) $(TRUNNER_OUTPUT)/
 endif
 
 $(OUTPUT)/$(TRUNNER_BINARY): $(TRUNNER_TEST_OBJS)			\
@@ -490,9 +490,9 @@ TRUNNER_EXTRA_SOURCES := test_progs.c cgroup_helpers.c trace_helpers.c	\
 			 network_helpers.c testing_helpers.c		\
 			 btf_helpers.c flow_dissector_load.h		\
 			 cap_helpers.c
-TRUNNER_EXTRA_FILES := $(OUTPUT)/urandom_read $(OUTPUT)/bpf_testmod.ko	\
-		       ima_setup.sh					\
+TRUNNER_EXTRA_BUILD := $(OUTPUT)/urandom_read $(OUTPUT)/bpf_testmod.ko	\
 		       $(wildcard progs/btf_dump_test_case_*.c)
+TRUNNER_EXTRA_FILES := $(TRUNNER_EXTRA_BUILD) ima_setup.sh
 TRUNNER_BPF_BUILD_RULE := CLANG_BPF_BUILD_RULE
 TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS) -DENABLE_ATOMICS_TESTS
 $(eval $(call DEFINE_TEST_RUNNER,test_progs))
@@ -513,6 +513,7 @@ endif
 TRUNNER_TESTS_DIR := map_tests
 TRUNNER_BPF_PROGS_DIR := progs
 TRUNNER_EXTRA_SOURCES := test_maps.c
+TRUNNER_EXTRA_BUILD :=
 TRUNNER_EXTRA_FILES :=
 TRUNNER_BPF_BUILD_RULE := $$(error no BPF objects should be built)
 TRUNNER_BPF_CFLAGS :=
-- 
2.35.1