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selftests: bpf: tests.h should depend on .c files, not the output 

This makes sure we don't put headers as input files when doing
compilation, because clang complains about the following:

clang-9: error: cannot specify -o when generating multiple output files
../lib.mk:152: recipe for target 'xxx/tools/testing/selftests/bpf/test_verifier' failed
make: *** [xxx/tools/testing/selftests/bpf/test_verifier] Error 1
make: *** Waiting for unfinished jobs....
clang-9: error: cannot specify -o when generating multiple output files
../lib.mk:152: recipe for target 'xxx/tools/testing/selftests/bpf/test_progs' failed

Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Stanislav Fomichev 2019-04-02 10:08:32 -07:00 committed by Daniel Borkmann
parent 9de2640b06
commit 6b7b6995c4
1 changed files with 2 additions and 2 deletions
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4
tools/testing/selftests/bpf/Makefile
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@ -209,7 +209,7 @@ ifeq ($(DWARF2BTF),y)
endif
PROG_TESTS_H := $(OUTPUT)/prog_tests/tests.h
$(OUTPUT)/test_progs: $(PROG_TESTS_H)
test_progs.c: $(PROG_TESTS_H)
$(OUTPUT)/test_progs: CFLAGS += $(TEST_PROGS_CFLAGS)
$(OUTPUT)/test_progs: prog_tests/*.c
@ -232,7 +232,7 @@ $(PROG_TESTS_H): $(PROG_TESTS_DIR) $(PROG_TESTS_FILES)
) > $(PROG_TESTS_H))
VERIFIER_TESTS_H := $(OUTPUT)/verifier/tests.h
$(OUTPUT)/test_verifier: $(VERIFIER_TESTS_H)
test_verifier.c: $(VERIFIER_TESTS_H)
$(OUTPUT)/test_verifier: CFLAGS += $(TEST_VERIFIER_CFLAGS)
VERIFIER_TESTS_DIR = $(OUTPUT)/verifier