1################################################################################
2#
3# selftests
4#
5################################################################################
6
7LINUX_TOOLS += selftests
8
9ifeq ($(NORMALIZED_ARCH),x86_64)
10SELFTESTS_ARCH=x86
11else
12ifeq ($(NORMALIZED_ARCH),i386)
13SELFTESTS_ARCH=x86
14else
15SELFTESTS_ARCH=$(NORMALIZED_ARCH)
16endif
17endif
18
19SELFTESTS_DEPENDENCIES = \
20	libcap-ng \
21	popt \
22	$(if $(BR2_PACKAGE_OPENSSL),openssl)
23
24SELFTESTS_MAKE_FLAGS = \
25	$(LINUX_MAKE_FLAGS) \
26	ARCH=$(SELFTESTS_ARCH) \
27	KHDR_DIR=$(LINUX_DIR)/usr/include
28
29# O must be redefined here to overwrite the one used by Buildroot for
30# out of tree build. We build the selftests in $(LINUX_DIR)/tools/selftests and
31# not just $(LINUX_DIR) so that it isn't built in the root directory of the kernel
32# sources.
33#
34# The headers_install step here is important as some kernel selftests use a
35# hardcoded CFLAGS to find kernel headers e.g:
36# CFLAGS += -I../../../../usr/include/
37# The headers_install target will install the kernel headers locally inside
38# the Linux build dir
39define SELFTESTS_BUILD_CMDS
40	$(TARGET_MAKE_ENV) $(MAKE1) -C $(LINUX_DIR) $(SELFTESTS_MAKE_FLAGS) \
41		headers_install
42	$(TARGET_MAKE_ENV) $(MAKE1) -C $(LINUX_DIR)/tools/testing/selftests \
43		$(SELFTESTS_MAKE_FLAGS) O=$(LINUX_DIR)/tools/testing/selftests
44endef
45
46define SELFTESTS_INSTALL_TARGET_CMDS
47	$(TARGET_MAKE_ENV) $(MAKE1) -C $(LINUX_DIR)/tools/testing/selftests \
48		$(SELFTESTS_MAKE_FLAGS) O=$(LINUX_DIR)/tools/testing/selftests \
49		INSTALL_PATH=$(TARGET_DIR)/usr/lib/kselftests install
50endef
51