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selftests/bpf: prevent headers to be compiled as C code 

Apprently listing header as a normal dependency for a binary output
makes it go through compilation as if it was C code. This currently
works without a problem, but in subsequent commits causes problems for
differently generated test.h for test_progs. Marking those headers as
order-only dependency solves the issue.

Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Andrii Nakryiko 2019-07-27 20:25:23 -07:00 committed by Alexei Starovoitov
parent 943e398dd3
commit 61098e89e6
1 changed files with 3 additions and 3 deletions
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6
tools/testing/selftests/bpf/Makefile
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@ -235,7 +235,7 @@ PROG_TESTS_H := $(PROG_TESTS_DIR)/tests.h
PROG_TESTS_FILES := $(wildcard prog_tests/*.c)
test_progs.c: $(PROG_TESTS_H)
$(OUTPUT)/test_progs: CFLAGS += $(TEST_PROGS_CFLAGS)
$(OUTPUT)/test_progs: test_progs.c $(PROG_TESTS_H) $(PROG_TESTS_FILES)
$(OUTPUT)/test_progs: test_progs.c $(PROG_TESTS_FILES) | $(PROG_TESTS_H)
$(PROG_TESTS_H): $(PROG_TESTS_FILES) | $(PROG_TESTS_DIR)
$(shell ( cd prog_tests/; \
echo '/* Generated header, do not edit */'; \
@ -256,7 +256,7 @@ MAP_TESTS_H := $(MAP_TESTS_DIR)/tests.h
MAP_TESTS_FILES := $(wildcard map_tests/*.c)
test_maps.c: $(MAP_TESTS_H)
$(OUTPUT)/test_maps: CFLAGS += $(TEST_MAPS_CFLAGS)
$(OUTPUT)/test_maps: test_maps.c $(MAP_TESTS_H) $(MAP_TESTS_FILES)
$(OUTPUT)/test_maps: test_maps.c $(MAP_TESTS_FILES) | $(MAP_TESTS_H)
$(MAP_TESTS_H): $(MAP_TESTS_FILES) | $(MAP_TESTS_DIR)
$(shell ( cd map_tests/; \
echo '/* Generated header, do not edit */'; \
@ -277,7 +277,7 @@ VERIFIER_TESTS_H := $(VERIFIER_TESTS_DIR)/tests.h
VERIFIER_TEST_FILES := $(wildcard verifier/*.c)
test_verifier.c: $(VERIFIER_TESTS_H)
$(OUTPUT)/test_verifier: CFLAGS += $(TEST_VERIFIER_CFLAGS)
$(OUTPUT)/test_verifier: test_verifier.c $(VERIFIER_TESTS_H)
$(OUTPUT)/test_verifier: test_verifier.c | $(VERIFIER_TEST_FILES) $(VERIFIER_TESTS_H)
$(VERIFIER_TESTS_H): $(VERIFIER_TEST_FILES) | $(VERIFIER_TESTS_DIR)
$(shell ( cd verifier/; \
echo '/* Generated header, do not edit */'; \