diff options
Diffstat (limited to 'tools/testing/selftests/lib.mk')
| -rw-r--r-- | tools/testing/selftests/lib.mk | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk index 429535816dbd..f02cc8a2e4ae 100644 --- a/tools/testing/selftests/lib.mk +++ b/tools/testing/selftests/lib.mk @@ -38,6 +38,14 @@ else CLANG_FLAGS += --target=$(notdir $(CROSS_COMPILE:%-=%)) endif # CROSS_COMPILE +# gcc defaults to silence (off) for the following warnings, but clang defaults +# to the opposite. The warnings are not useful for the kernel itself, which is +# why they have remained disabled in gcc for the main kernel build. And it is +# only due to including kernel data structures in the selftests, that we get the +# warnings from clang. Therefore, disable the warnings for clang builds. +CFLAGS += -Wno-address-of-packed-member +CFLAGS += -Wno-gnu-variable-sized-type-not-at-end + CC := $(CLANG) $(CLANG_FLAGS) -fintegrated-as else CC := $(CROSS_COMPILE)gcc @@ -188,6 +196,12 @@ endef clean: $(if $(TEST_GEN_MODS_DIR),clean_mods_dir) $(CLEAN) +# Build with _GNU_SOURCE by default +CFLAGS += -D_GNU_SOURCE= + +# Additional include paths needed by kselftest.h and local headers +CFLAGS += -I${top_srcdir}/tools/testing/selftests + # Enables to extend CFLAGS and LDFLAGS from command line, e.g. # make USERCFLAGS=-Werror USERLDFLAGS=-static CFLAGS += $(USERCFLAGS) @@ -217,4 +231,10 @@ $(OUTPUT)/%:%.S $(LINK.S) $^ $(LDLIBS) -o $@ endif -.PHONY: run_tests all clean install emit_tests gen_mods_dir clean_mods_dir +# Extract the expected header directory +khdr_output := $(patsubst %/usr/include,%,$(filter %/usr/include,$(KHDR_INCLUDES))) + +headers: + $(Q)$(MAKE) -f $(top_srcdir)/Makefile -C $(khdr_output) headers + +.PHONY: run_tests all clean install emit_tests gen_mods_dir clean_mods_dir headers |