1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0 2442f04c3SJosh Poimboeufinclude ../scripts/Makefile.include 3630e7a29SArnaldo Carvalho de Meloinclude ../scripts/Makefile.arch 4442f04c3SJosh Poimboeuf 5442f04c3SJosh Poimboeufifeq ($(ARCH),x86_64) 6442f04c3SJosh PoimboeufARCH := x86 7442f04c3SJosh Poimboeufendif 8442f04c3SJosh Poimboeuf 9c1d45c3aSJosh Poimboeuf# always use the host compiler 1014c47b54SMikulas PatockaHOSTCC ?= gcc 1114c47b54SMikulas PatockaHOSTLD ?= ld 1214c47b54SMikulas PatockaCC = $(HOSTCC) 1314c47b54SMikulas PatockaLD = $(HOSTLD) 14c1d45c3aSJosh PoimboeufAR = ar 15c1d45c3aSJosh Poimboeuf 16442f04c3SJosh Poimboeufifeq ($(srctree),) 17e19b7ceeSUwe Kleine-Königsrctree := $(patsubst %/,%,$(dir $(CURDIR))) 18442f04c3SJosh Poimboeufsrctree := $(patsubst %/,%,$(dir $(srctree))) 19442f04c3SJosh Poimboeufendif 20442f04c3SJosh Poimboeuf 21442f04c3SJosh PoimboeufSUBCMD_SRCDIR = $(srctree)/tools/lib/subcmd/ 22e19b7ceeSUwe Kleine-KönigLIBSUBCMD_OUTPUT = $(if $(OUTPUT),$(OUTPUT),$(CURDIR)/) 23c1d45c3aSJosh PoimboeufLIBSUBCMD = $(LIBSUBCMD_OUTPUT)libsubcmd.a 24442f04c3SJosh Poimboeuf 25442f04c3SJosh PoimboeufOBJTOOL := $(OUTPUT)objtool 26442f04c3SJosh PoimboeufOBJTOOL_IN := $(OBJTOOL)-in.o 27442f04c3SJosh Poimboeuf 28*056d28d1SRolf Eike BeerLIBELF_FLAGS := $(shell pkg-config libelf --cflags 2>/dev/null) 29*056d28d1SRolf Eike BeerLIBELF_LIBS := $(shell pkg-config libelf --libs 2>/dev/null || echo -lelf) 30*056d28d1SRolf Eike Beer 31442f04c3SJosh Poimboeufall: $(OBJTOOL) 32442f04c3SJosh Poimboeuf 336a77cff8SJosh PoimboeufINCLUDES := -I$(srctree)/tools/include \ 346a77cff8SJosh Poimboeuf -I$(srctree)/tools/arch/$(HOSTARCH)/include/uapi \ 359eb71985SJosh Poimboeuf -I$(srctree)/tools/objtool/arch/$(ARCH)/include 3621ec3bf6SJosh PoimboeufWARNINGS := $(EXTRA_WARNINGS) -Wno-switch-default -Wno-switch-enum -Wno-packed 37*056d28d1SRolf Eike BeerCFLAGS += -Werror $(WARNINGS) $(KBUILD_HOSTCFLAGS) -g $(INCLUDES) $(LIBELF_FLAGS) 38*056d28d1SRolf Eike BeerLDFLAGS += $(LIBELF_LIBS) $(LIBSUBCMD) $(KBUILD_HOSTLDFLAGS) 39442f04c3SJosh Poimboeuf 402e51f262SJan Beulich# Allow old libelf to be used: 419564a8cfSRasmus Villemoeselfshdr := $(shell echo '$(pound)include <libelf.h>' | $(CC) $(CFLAGS) -x c -E - | grep elf_getshdr) 422e51f262SJan BeulichCFLAGS += $(if $(elfshdr),,-DLIBELF_USE_DEPRECATED) 432e51f262SJan Beulich 44442f04c3SJosh PoimboeufAWK = awk 4560cbdf5dSJosh Poimboeufexport srctree OUTPUT CFLAGS SRCARCH AWK 46442f04c3SJosh Poimboeufinclude $(srctree)/tools/build/Makefile.include 47442f04c3SJosh Poimboeuf 48442f04c3SJosh Poimboeuf$(OBJTOOL_IN): fixdep FORCE 49442f04c3SJosh Poimboeuf @$(MAKE) $(build)=objtool 50442f04c3SJosh Poimboeuf 51442f04c3SJosh Poimboeuf$(OBJTOOL): $(LIBSUBCMD) $(OBJTOOL_IN) 520f908ccbSAndrew Morton @$(CONFIG_SHELL) ./sync-check.sh 53442f04c3SJosh Poimboeuf $(QUIET_LINK)$(CC) $(OBJTOOL_IN) $(LDFLAGS) -o $@ 54442f04c3SJosh Poimboeuf 55442f04c3SJosh Poimboeuf 56442f04c3SJosh Poimboeuf$(LIBSUBCMD): fixdep FORCE 57c1d45c3aSJosh Poimboeuf $(Q)$(MAKE) -C $(SUBCMD_SRCDIR) OUTPUT=$(LIBSUBCMD_OUTPUT) 58442f04c3SJosh Poimboeuf 59c1d45c3aSJosh Poimboeufclean: 60442f04c3SJosh Poimboeuf $(call QUIET_CLEAN, objtool) $(RM) $(OBJTOOL) 61442f04c3SJosh Poimboeuf $(Q)find $(OUTPUT) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete 626a77cff8SJosh Poimboeuf $(Q)$(RM) $(OUTPUT)arch/x86/lib/inat-tables.c $(OUTPUT)fixdep 63442f04c3SJosh Poimboeuf 64442f04c3SJosh PoimboeufFORCE: 65442f04c3SJosh Poimboeuf 66442f04c3SJosh Poimboeuf.PHONY: clean FORCE 67