On Fri, Mar 13, 2020 at 03:24:04PM -0600, Shuah Khan wrote: > Fix seccomp relocatable builds. This is a simple fix to use the right > lib.mk variable TEST_GEN_PROGS with dependency on kselftest_harness.h > header, and defining LDFLAGS for pthread lib. > > Removes custom clean rule which is no longer necessary with the use of > TEST_GEN_PROGS. > > Uses $(OUTPUT) defined in lib.mk to handle build relocation. > > The following use-cases work with this change: > > In seccomp directory: > make all and make clean > > From top level from main Makefile: > make kselftest-install O=objdir ARCH=arm64 HOSTCC=gcc \ > CROSS_COMPILE=aarch64-linux-gnu- TARGETS=seccomp > > Signed-off-by: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx> > --- > > Changes since v2: > -- Using TEST_GEN_PROGS is sufficient to generate objects. > Addresses review comments from Kees Cook. > > tools/testing/selftests/seccomp/Makefile | 18 ++++++++---------- > 1 file changed, 8 insertions(+), 10 deletions(-) > > diff --git a/tools/testing/selftests/seccomp/Makefile b/tools/testing/selftests/seccomp/Makefile > index 1760b3e39730..a0388fd2c3f2 100644 > --- a/tools/testing/selftests/seccomp/Makefile > +++ b/tools/testing/selftests/seccomp/Makefile > @@ -1,17 +1,15 @@ > # SPDX-License-Identifier: GPL-2.0 > -all: > - > -include ../lib.mk > +CFLAGS += -Wl,-no-as-needed -Wall > +LDFLAGS += -lpthread > > .PHONY: all clean Isn't this line redundant to ../lib.mk's? > > -BINARIES := seccomp_bpf seccomp_benchmark > -CFLAGS += -Wl,-no-as-needed -Wall > +include ../lib.mk > + > +# OUTPUT set by lib.mk > +TEST_GEN_PROGS := $(OUTPUT)/seccomp_bpf $(OUTPUT)/seccomp_benchmark > > -seccomp_bpf: seccomp_bpf.c ../kselftest_harness.h > - $(CC) $(CFLAGS) $(LDFLAGS) $< -lpthread -o $@ > +$(TEST_GEN_PROGS): ../kselftest_harness.h > > -TEST_PROGS += $(BINARIES) > -EXTRA_CLEAN := $(BINARIES) > +all: $(TEST_GEN_PROGS) And isn't this one too? I think if those are removed it should all still work? Regardless: Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx> -Kees > > -all: $(BINARIES) > -- > 2.20.1 > -- Kees Cook
