Kernel uapi headers can be present at different paths depending upon how the build was invoked. It becomes impossible for the tests to include the correct headers directory. Set and export KHDR_INCLUDES variable to make it possible for sub make files to include the header files.
Signed-off-by: Muhammad Usama Anjum usama.anjum@collabora.com --- tools/testing/selftests/Makefile | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile index a7b63860b7bc..21f983dfd047 100644 --- a/tools/testing/selftests/Makefile +++ b/tools/testing/selftests/Makefile @@ -129,8 +129,11 @@ ifneq ($(KBUILD_OUTPUT),) # $(realpath ...) resolves symlinks abs_objtree := $(realpath $(abs_objtree)) BUILD := $(abs_objtree)/kselftest + KHDR_INCLUDES := -I${abs_objtree}/usr/include else BUILD := $(CURDIR) + abs_srctree := $(shell cd $(top_srcdir) && pwd) + KHDR_INCLUDES := -I${abs_srctree}/usr/include DEFAULT_INSTALL_HDR_PATH := 1 endif
@@ -139,6 +142,7 @@ include $(top_srcdir)/scripts/subarch.include ARCH ?= $(SUBARCH) export KSFT_KHDR_INSTALL_DONE := 1 export BUILD +export KHDR_INCLUDES
# set default goal to all, so make without a target runs all, even when # all isn't the first target in the file.