linux/linux-tool-selftests.mk

   1 ################################################################################
   2 #
   3 # selftests
   4 #
   5 ################################################################################
   6
   7 LINUX_TOOLS += selftests
   8
   9 ifeq ($(KERNEL_ARCH),x86_64)
  10 SELFTESTS_ARCH=x86
  11 else
  12 ifeq ($(KERNEL_ARCH),i386)
  13 SELFTESTS_ARCH=x86
  14 else
  15 SELFTESTS_ARCH=$(KERNEL_ARCH)
  16 endif
  17 endif
  18
  19 SELFTESTS_DEPENDENCIES = libcap-ng popt
  20
  21 SELFTESTS_MAKE_FLAGS = \
  22         $(LINUX_MAKE_FLAGS) \
  23         ARCH=$(SELFTESTS_ARCH)
  24
  25 # O must be redefined here to overwrite the one used by Buildroot for
  26 # out of tree build. We build the selftests in $(@D)/tools/selftests and
  27 # not just $(@D) so that it isn't built in the root directory of the kernel
  28 # sources.
  29 #
  30 # The headers_install step here is important as some kernel selftests use a
  31 # hardcoded CFLAGS to find kernel headers e.g:
  32 # CFLAGS += -I../../../../usr/include/
  33 # The headers_install target will install the kernel headers locally inside
  34 # the Linux build dir
  35 define SELFTESTS_BUILD_CMDS
  36         $(TARGET_MAKE_ENV) $(MAKE1) -C $(@D) $(SELFTESTS_MAKE_FLAGS) \
  37                 headers_install
  38         $(TARGET_MAKE_ENV) $(MAKE1) -C $(@D)/tools/testing/selftests \
  39                 $(SELFTESTS_MAKE_FLAGS) O=$(@D)/tools/testing/selftests
  40 endef
  41
  42 define SELFTESTS_INSTALL_TARGET_CMDS
  43         $(TARGET_MAKE_ENV) $(MAKE1) -C $(@D)/tools/testing/selftests \
  44                 $(SELFTESTS_MAKE_FLAGS) O=$(@D)/tools/testing/selftests \
  45                 INSTALL_PATH=$(TARGET_DIR)/usr/lib/kselftests install
  46 endef