On Mon, May 14, 2018 at 01:58:09PM +0200, Anders Roxell 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.roxell@xxxxxxxxxx> > Reviewed-by: Fathi Boudra <fathi.boudra@xxxxxxxxxx> Ack for the userfaultfd part. > --- > Makefile | 14 +------------- > scripts/subarch.include | 13 +++++++++++++ > tools/testing/selftests/android/Makefile | 2 +- > tools/testing/selftests/android/ion/Makefile | 1 + > tools/testing/selftests/bpf/Makefile | 5 ++--- > tools/testing/selftests/futex/functional/Makefile | 1 + > tools/testing/selftests/gpio/Makefile | 7 ++----- > tools/testing/selftests/kvm/Makefile | 7 ++----- > tools/testing/selftests/lib.mk | 10 ++++++++++ > tools/testing/selftests/vm/Makefile | 4 ---- > 10 files changed, 33 insertions(+), 31 deletions(-) > create mode 100644 scripts/subarch.include > > diff --git a/Makefile b/Makefile > index 6395c79ffe40..bad0a8f6e874 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 > > # Cross compiling and selecting different set of gcc/bin-utils > # --------------------------------------------------------------------------- > diff --git a/scripts/subarch.include b/scripts/subarch.include > new file mode 100644 > index 000000000000..650682821126 > --- /dev/null > +++ b/scripts/subarch.include > @@ -0,0 +1,13 @@ > +# 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/) > diff --git a/tools/testing/selftests/android/Makefile b/tools/testing/selftests/android/Makefile > index 72c25a3cb658..d9a725478375 100644 > --- a/tools/testing/selftests/android/Makefile > +++ b/tools/testing/selftests/android/Makefile > @@ -6,7 +6,7 @@ TEST_PROGS := run.sh > > include ../lib.mk > > -all: > +all: khdr > @for DIR in $(SUBDIRS); do \ > BUILD_TARGET=$(OUTPUT)/$$DIR; \ > mkdir $$BUILD_TARGET -p; \ > diff --git a/tools/testing/selftests/android/ion/Makefile b/tools/testing/selftests/android/ion/Makefile > index e03695287f76..f3be7dcc060a 100644 > --- a/tools/testing/selftests/android/ion/Makefile > +++ b/tools/testing/selftests/android/ion/Makefile > @@ -10,6 +10,7 @@ $(TEST_GEN_FILES): ipcsocket.c ionutils.c > > TEST_PROGS := ion_test.sh > > +top_srcdir = ../../../../.. > include ../../lib.mk > > $(OUTPUT)/ionapp_export: ionapp_export.c ipcsocket.c ionutils.c > diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile > index 438d4f93875b..9741609a0eb1 100644 > --- a/tools/testing/selftests/bpf/Makefile > +++ b/tools/testing/selftests/bpf/Makefile > @@ -16,9 +16,8 @@ LDLIBS += -lcap -lelf -lrt -lpthread > TEST_CUSTOM_PROGS = $(OUTPUT)/urandom_read > all: $(TEST_CUSTOM_PROGS) > > -$(TEST_CUSTOM_PROGS): urandom_read > - > -urandom_read: urandom_read.c > +$(TEST_CUSTOM_PROGS):| khdr > +$(TEST_CUSTOM_PROGS): urandom_read.c > $(CC) -o $(TEST_CUSTOM_PROGS) -static $< > > # Order correspond to 'make run_tests' order > diff --git a/tools/testing/selftests/futex/functional/Makefile b/tools/testing/selftests/futex/functional/Makefile > index ff8feca49746..ad1eeb14fda7 100644 > --- a/tools/testing/selftests/futex/functional/Makefile > +++ b/tools/testing/selftests/futex/functional/Makefile > @@ -18,6 +18,7 @@ TEST_GEN_FILES := \ > > TEST_PROGS := run.sh > > +top_srcdir = ../../../../.. > include ../../lib.mk > > $(TEST_GEN_FILES): $(HEADERS) > diff --git a/tools/testing/selftests/gpio/Makefile b/tools/testing/selftests/gpio/Makefile > index 1bbb47565c55..4665cdbf1a8d 100644 > --- a/tools/testing/selftests/gpio/Makefile > +++ b/tools/testing/selftests/gpio/Makefile > @@ -21,11 +21,8 @@ endef > CFLAGS += -O2 -g -std=gnu99 -Wall -I../../../../usr/include/ > LDLIBS += -lmount -I/usr/include/libmount > > -$(BINARIES): ../../../gpio/gpio-utils.o ../../../../usr/include/linux/gpio.h > +$(BINARIES):| khdr > +$(BINARIES): ../../../gpio/gpio-utils.o > > ../../../gpio/gpio-utils.o: > make ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE) -C ../../../gpio > - > -../../../../usr/include/linux/gpio.h: > - make -C ../../../.. headers_install INSTALL_HDR_PATH=$(shell pwd)/../../../../usr/ > - > diff --git a/tools/testing/selftests/kvm/Makefile b/tools/testing/selftests/kvm/Makefile > index d9d00319b07c..bcb69380bbab 100644 > --- a/tools/testing/selftests/kvm/Makefile > +++ b/tools/testing/selftests/kvm/Makefile > @@ -32,9 +32,6 @@ $(LIBKVM_OBJ): $(OUTPUT)/%.o: %.c > $(OUTPUT)/libkvm.a: $(LIBKVM_OBJ) > $(AR) crs $@ $^ > > -$(LINUX_HDR_PATH): > - make -C $(top_srcdir) headers_install > - > -all: $(STATIC_LIBS) $(LINUX_HDR_PATH) > +all: $(STATIC_LIBS) > $(TEST_GEN_PROGS): $(STATIC_LIBS) > -$(TEST_GEN_PROGS) $(LIBKVM_OBJ): | $(LINUX_HDR_PATH) > +$(STATIC_LIBS):| khdr > diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk > index 6466294366dc..9515af872e16 100644 > --- a/tools/testing/selftests/lib.mk > +++ b/tools/testing/selftests/lib.mk > @@ -16,8 +16,18 @@ TEST_GEN_PROGS := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS)) > TEST_GEN_PROGS_EXTENDED := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS_EXTENDED)) > TEST_GEN_FILES := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_FILES)) > > +top_srcdir ?= ../../../.. > +include $(top_srcdir)/scripts/subarch.include > +ARCH ?= $(SUBARCH) > + > all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) > > +.PHONY: khdr > +khdr: > + make ARCH=$(ARCH) -C $(top_srcdir) headers_install > + > +$(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES):| khdr > + > .ONESHELL: > define RUN_TEST_PRINT_RESULT > TEST_HDR_MSG="selftests: "`basename $$PWD`:" $$BASENAME_TEST"; \ > diff --git a/tools/testing/selftests/vm/Makefile b/tools/testing/selftests/vm/Makefile > index fdefa2295ddc..58759454b1d0 100644 > --- a/tools/testing/selftests/vm/Makefile > +++ b/tools/testing/selftests/vm/Makefile > @@ -25,10 +25,6 @@ TEST_PROGS := run_vmtests > > include ../lib.mk > > -$(OUTPUT)/userfaultfd: ../../../../usr/include/linux/kernel.h > $(OUTPUT)/userfaultfd: LDLIBS += -lpthread > > $(OUTPUT)/mlock-random-test: LDLIBS += -lcap > - > -../../../../usr/include/linux/kernel.h: > - make -C ../../../.. headers_install > -- > 2.17.0 > -- Sincerely yours, Mike. -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
