On Tue, 24 Jul 2018 at 19:11, Shuah Khan <sh...@kernel.org> wrote: > > On 07/23/2018 02:49 PM, Anders Roxell wrote: > > On Thu, 7 Jun 2018 at 13:09, Anders Roxell <anders.rox...@linaro.org> wrote: > >> > >> If the kernel headers aren't installed we can't build all the tests. > >> Add a new make target rule 'khdr' in the file lib.mk to generate the > >> kernel headers and that gets include for every test-dir Makefile that > >> includes lib.mk If the testdir in turn have its own sub-dirs the > >> top_srcdir needs to be set to the linux-rootdir to be able to generate > >> the kernel headers. > >> > >> Signed-off-by: Anders Roxell <anders.rox...@linaro.org> > >> Reviewed-by: Fathi Boudra <fathi.bou...@linaro.org> > >> --- > >> Makefile | 14 +------------- > >> scripts/subarch.include | 13 +++++++++++++ > >> tools/testing/selftests/android/Makefile | 2 +- > >> tools/testing/selftests/android/ion/Makefile | 2 ++ > >> tools/testing/selftests/futex/functional/Makefile | 1 + > >> tools/testing/selftests/gpio/Makefile | 7 ++----- > >> tools/testing/selftests/kvm/Makefile | 7 ++----- > >> tools/testing/selftests/lib.mk | 12 ++++++++++++ > >> tools/testing/selftests/net/Makefile | 1 + > >> .../selftests/networking/timestamping/Makefile | 1 + > >> tools/testing/selftests/vm/Makefile | 4 ---- > >> 11 files changed, 36 insertions(+), 28 deletions(-) > >> create mode 100644 scripts/subarch.include > >> > >> diff --git a/Makefile b/Makefile > >> index 6b9aea95ae3a..8050072300fa 100644 > >> --- a/Makefile > >> +++ b/Makefile > >> @@ -286,19 +286,7 @@ KERNELRELEASE = $(shell cat > >> include/config/kernel.release 2> /dev/null) > >> KERNELVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if > >> $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION) > >> export VERSION PATCHLEVEL SUBLEVEL KERNELRELEASE KERNELVERSION > >> > >> -# SUBARCH tells the usermode build what the underlying arch is. That is > >> set > >> -# first, and if a usermode build is happening, the "ARCH=um" on the > >> command > >> -# line overrides the setting of ARCH below. If a native build is > >> happening, > >> -# then ARCH is assigned, getting whatever value it gets normally, and > >> -# SUBARCH is subsequently ignored. > >> - > >> -SUBARCH := $(shell uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/ \ > >> - -e s/sun4u/sparc64/ \ > >> - -e s/arm.*/arm/ -e s/sa110/arm/ \ > >> - -e s/s390x/s390/ -e s/parisc64/parisc/ \ > >> - -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \ > >> - -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ > >> \ > >> - -e s/riscv.*/riscv/) > >> +include scripts/subarch.include > > What is the reason for this SUBARCH block move to to scripts/subarch.include? > Is this necessary for adding headers install dependency to lib.mk?
This is needed to create headers for cross build. Cheers, Anders
