1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0 2442f04c3SJosh Poimboeufinclude ../scripts/Makefile.include 3630e7a29SArnaldo Carvalho de Meloinclude ../scripts/Makefile.arch 4442f04c3SJosh Poimboeuf 5c1d45c3aSJosh Poimboeuf# always use the host compiler 68ea58f1eSNathan ChancellorHOSTAR ?= ar 714c47b54SMikulas PatockaHOSTCC ?= gcc 814c47b54SMikulas PatockaHOSTLD ?= ld 98ea58f1eSNathan ChancellorAR = $(HOSTAR) 1014c47b54SMikulas PatockaCC = $(HOSTCC) 1114c47b54SMikulas PatockaLD = $(HOSTLD) 12c1d45c3aSJosh Poimboeuf 13442f04c3SJosh Poimboeufifeq ($(srctree),) 14e19b7ceeSUwe Kleine-Königsrctree := $(patsubst %/,%,$(dir $(CURDIR))) 15442f04c3SJosh Poimboeufsrctree := $(patsubst %/,%,$(dir $(srctree))) 16442f04c3SJosh Poimboeufendif 17442f04c3SJosh Poimboeuf 18442f04c3SJosh PoimboeufSUBCMD_SRCDIR = $(srctree)/tools/lib/subcmd/ 19e19b7ceeSUwe Kleine-KönigLIBSUBCMD_OUTPUT = $(if $(OUTPUT),$(OUTPUT),$(CURDIR)/) 20c1d45c3aSJosh PoimboeufLIBSUBCMD = $(LIBSUBCMD_OUTPUT)libsubcmd.a 21442f04c3SJosh Poimboeuf 22442f04c3SJosh PoimboeufOBJTOOL := $(OUTPUT)objtool 23442f04c3SJosh PoimboeufOBJTOOL_IN := $(OBJTOOL)-in.o 24442f04c3SJosh Poimboeuf 25056d28d1SRolf Eike BeerLIBELF_FLAGS := $(shell pkg-config libelf --cflags 2>/dev/null) 26056d28d1SRolf Eike BeerLIBELF_LIBS := $(shell pkg-config libelf --libs 2>/dev/null || echo -lelf) 27056d28d1SRolf Eike Beer 28442f04c3SJosh Poimboeufall: $(OBJTOOL) 29442f04c3SJosh Poimboeuf 306a77cff8SJosh PoimboeufINCLUDES := -I$(srctree)/tools/include \ 316a77cff8SJosh Poimboeuf -I$(srctree)/tools/arch/$(HOSTARCH)/include/uapi \ 32*8580bed7SShile Zhang -I$(srctree)/tools/arch/$(SRCARCH)/include 3321ec3bf6SJosh PoimboeufWARNINGS := $(EXTRA_WARNINGS) -Wno-switch-default -Wno-switch-enum -Wno-packed 34f73b3cc3SJosh PoimboeufCFLAGS := -Werror $(WARNINGS) $(KBUILD_HOSTCFLAGS) -g $(INCLUDES) $(LIBELF_FLAGS) 35056d28d1SRolf Eike BeerLDFLAGS += $(LIBELF_LIBS) $(LIBSUBCMD) $(KBUILD_HOSTLDFLAGS) 36442f04c3SJosh Poimboeuf 372e51f262SJan Beulich# Allow old libelf to be used: 389564a8cfSRasmus Villemoeselfshdr := $(shell echo '$(pound)include <libelf.h>' | $(CC) $(CFLAGS) -x c -E - | grep elf_getshdr) 392e51f262SJan BeulichCFLAGS += $(if $(elfshdr),,-DLIBELF_USE_DEPRECATED) 402e51f262SJan Beulich 41442f04c3SJosh PoimboeufAWK = awk 4260cbdf5dSJosh Poimboeufexport srctree OUTPUT CFLAGS SRCARCH AWK 43442f04c3SJosh Poimboeufinclude $(srctree)/tools/build/Makefile.include 44442f04c3SJosh Poimboeuf 45442f04c3SJosh Poimboeuf$(OBJTOOL_IN): fixdep FORCE 46442f04c3SJosh Poimboeuf @$(MAKE) $(build)=objtool 47442f04c3SJosh Poimboeuf 48442f04c3SJosh Poimboeuf$(OBJTOOL): $(LIBSUBCMD) $(OBJTOOL_IN) 490f908ccbSAndrew Morton @$(CONFIG_SHELL) ./sync-check.sh 50442f04c3SJosh Poimboeuf $(QUIET_LINK)$(CC) $(OBJTOOL_IN) $(LDFLAGS) -o $@ 51442f04c3SJosh Poimboeuf 52442f04c3SJosh Poimboeuf 53442f04c3SJosh Poimboeuf$(LIBSUBCMD): fixdep FORCE 54c1d45c3aSJosh Poimboeuf $(Q)$(MAKE) -C $(SUBCMD_SRCDIR) OUTPUT=$(LIBSUBCMD_OUTPUT) 55442f04c3SJosh Poimboeuf 56c1d45c3aSJosh Poimboeufclean: 57442f04c3SJosh Poimboeuf $(call QUIET_CLEAN, objtool) $(RM) $(OBJTOOL) 58442f04c3SJosh Poimboeuf $(Q)find $(OUTPUT) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete 59d046b725SJosh Poimboeuf $(Q)$(RM) $(OUTPUT)arch/x86/inat-tables.c $(OUTPUT)fixdep 60442f04c3SJosh Poimboeuf 61442f04c3SJosh PoimboeufFORCE: 62442f04c3SJosh Poimboeuf 63442f04c3SJosh Poimboeuf.PHONY: clean FORCE 64