The Makefile was assuming that headers_install was already done in the top source directory, and was searching for installed uapi headers there. Unfortunately this is not the case and we need to manually call that step. To do so, reorder the declaration of the variables, and reuses top_srcdir provided by lib.mk Reported-by: kernel test robot <lkp@xxxxxxxxx> Link: https://lore.kernel.org/all/202212060216.a6X8Py5H-lkp@xxxxxxxxx/#t Signed-off-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx> --- new in v3 --- tools/testing/selftests/hid/Makefile | 26 ++++++++++++-------------- 1 file changed, 12 insertions(+), 14 deletions(-) diff --git a/tools/testing/selftests/hid/Makefile b/tools/testing/selftests/hid/Makefile index 693f1cb6e47a..f6fc5cfff770 100644 --- a/tools/testing/selftests/hid/Makefile +++ b/tools/testing/selftests/hid/Makefile @@ -7,17 +7,9 @@ include ../../../scripts/Makefile.include CXX ?= $(CROSS_COMPILE)g++ -CURDIR := $(abspath .) -TOOLSDIR := $(abspath ../../..) -TOP_SRCDIR = $(CURDIR)/../../../.. -KHDR_INCLUDES := $(TOP_SRCDIR)/usr/include -LIBDIR := $(TOOLSDIR)/lib -BPFDIR := $(LIBDIR)/bpf -TOOLSINCDIR := $(TOOLSDIR)/include -BPFTOOLDIR := $(TOOLSDIR)/bpf/bpftool HOSTPKG_CONFIG := pkg-config -CFLAGS += -g -O0 -rdynamic -Wall -Werror -I$(KHDR_INCLUDES) +CFLAGS += -g -O0 -rdynamic -Wall -Werror -I$(KHDR_INCLUDES) -I$(OUTPUT) LDLIBS += -lelf -lz -lrt -lpthread # Silence some warnings when compiled with clang @@ -53,9 +45,15 @@ endef include ../lib.mk +TOOLSDIR := $(top_srcdir)/tools +LIBDIR := $(TOOLSDIR)/lib +BPFDIR := $(LIBDIR)/bpf +TOOLSINCDIR := $(TOOLSDIR)/include +BPFTOOLDIR := $(TOOLSDIR)/bpf/bpftool SCRATCH_DIR := $(OUTPUT)/tools BUILD_DIR := $(SCRATCH_DIR)/build INCLUDE_DIR := $(SCRATCH_DIR)/include +KHDR_INCLUDES := $(SCRATCH_DIR)/uapi/include BPFOBJ := $(BUILD_DIR)/libbpf/libbpf.a ifneq ($(CROSS_COMPILE),) HOST_BUILD_DIR := $(BUILD_DIR)/host @@ -122,7 +120,6 @@ $(DEFAULT_BPFTOOL): $(wildcard $(BPFTOOLDIR)/*.[ch] $(BPFTOOLDIR)/Makefile) \ prefix= DESTDIR=$(HOST_SCRATCH_DIR)/ install-bin $(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ - $(KHDR_INCLUDES)/linux/bpf.h \ | $(BUILD_DIR)/libbpf $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) OUTPUT=$(BUILD_DIR)/libbpf/ \ EXTRA_CFLAGS='-g -O0' \ @@ -130,7 +127,6 @@ $(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ ifneq ($(BPFOBJ),$(HOST_BPFOBJ)) $(HOST_BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ - $(KHDR_INCLUDES)/linux/bpf.h \ | $(HOST_BUILD_DIR)/libbpf $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) \ EXTRA_CFLAGS='-g -O0' ARCH= CROSS_COMPILE= \ @@ -147,6 +143,9 @@ else $(Q)cp "$(VMLINUX_H)" $@ endif +$(KHDR_INCLUDES)/linux/hid.h: $(top_srcdir)/include/uapi/linux/hid.h + $(MAKE) -C $(top_srcdir) INSTALL_HDR_PATH=$(SCRATCH_DIR)/uapi headers_install + $(RESOLVE_BTFIDS): $(HOST_BPFOBJ) | $(HOST_BUILD_DIR)/resolve_btfids \ $(TOOLSDIR)/bpf/resolve_btfids/main.c \ $(TOOLSDIR)/lib/rbtree.c \ @@ -178,8 +177,7 @@ MENDIAN=$(if $(IS_LITTLE_ENDIAN),-mlittle-endian,-mbig-endian) CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG)) BPF_CFLAGS = -g -Werror -D__TARGET_ARCH_$(SRCARCH) $(MENDIAN) \ - -I$(INCLUDE_DIR) -I$(CURDIR) -I$(KHDR_INCLUDES) \ - -I$(abspath $(OUTPUT)/../usr/include) + -I$(INCLUDE_DIR) CLANG_CFLAGS = $(CLANG_SYS_INCLUDES) \ -Wno-compare-distinct-pointer-types @@ -225,7 +223,7 @@ $(BPF_SKELS): %.skel.h: %.bpf.o $(BPFTOOL) | $(OUTPUT) $(Q)$(BPFTOOL) gen object $(<:.o=.linked1.o) $< $(Q)$(BPFTOOL) gen skeleton $(<:.o=.linked1.o) name $(notdir $(<:.bpf.o=)) > $@ -$(OUTPUT)/%:%.c $(BPF_SKELS) +$(OUTPUT)/%:%.c $(BPF_SKELS) $(KHDR_INCLUDES)/linux/hid.h $(call msg,BINARY,,$@) $(Q)$(LINK.c) $^ $(LDLIBS) -o $@ -- 2.38.1