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selftests: Fix selftests build to just build, not run tests

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In commit 88baa78d1f ("selftests: remove duplicated all and clean
target"), the "all" target was removed from individual Makefiles and
added to lib.mk.

However the "all" target was added to lib.mk *after* the existing
"runtests" target. This means "runtests" becomes the first (default)
target for most of our Makefiles.

This has the effect of causing a plain "make" to build *and run* the
tests. Which is at best rude, but depending on which tests are run could
oops someone's build machine.

  $ make -C tools/testing/selftests/
  ...
  make[1]: Entering directory 'tools/testing/selftests/bpf'
  gcc -Wall -O2 -I../../../../usr/include   test_verifier.c -o tools/testing/selftests/bpf/test_verifier
  gcc -Wall -O2 -I../../../../usr/include   test_maps.c -o tools/testing/selftests/bpf/test_maps
  gcc -Wall -O2 -I../../../../usr/include   test_lru_map.c -o tools/testing/selftests/bpf/test_lru_map
  #0 add+sub+mul FAIL
  Failed to load prog 'Function not implemented'!
  #1 unreachable FAIL
  Unexpected error message!
  #2 unreachable2 FAIL
  ...

Fix it by moving the "all" target to the start of lib.mk, making it the
default target.

Fixes: 88baa78d1f ("selftests: remove duplicated all and clean target")
Signed-off-by: Michael Ellerman <[email protected]>
Tested by: Bamvor Jian Zhang <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
This commit is contained in:
Michael Ellerman authored and Shuah Khan committed 2017-02-14 08:01:44 -07:00
1 parent 2195bff041
commit d83c3ba0b9
1 file changed
+5 -5
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tools/testing/selftests/lib.mk
+5 -5
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@@ -2,6 +2,11 @@
# Makefile can operate with or without the kbuild infrastructure.
CC := $(CROSS_COMPILE)gcc
TEST_GEN_PROGS := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS))
TEST_GEN_FILES := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_FILES))
all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
define RUN_TESTS
@for TEST in $(TEST_GEN_PROGS) $(TEST_PROGS); do \
BASENAME_TEST=`basename $$TEST`; \
@@ -42,11 +47,6 @@ endef
emit_tests:
$(EMIT_TESTS)
TEST_GEN_PROGS := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS))
TEST_GEN_FILES := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_FILES))
all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
clean:
$(RM) -r $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(EXTRA_CLEAN)