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 6a0d1c951SMasahiro Yamadaifneq ($(LLVM),) 7a0d1c951SMasahiro YamadaHOSTAR ?= llvm-ar 8a0d1c951SMasahiro YamadaHOSTCC ?= clang 9a0d1c951SMasahiro YamadaHOSTLD ?= ld.lld 10a0d1c951SMasahiro Yamadaelse 118ea58f1eSNathan ChancellorHOSTAR ?= ar 1214c47b54SMikulas PatockaHOSTCC ?= gcc 1314c47b54SMikulas PatockaHOSTLD ?= ld 14a0d1c951SMasahiro Yamadaendif 158ea58f1eSNathan ChancellorAR = $(HOSTAR) 1614c47b54SMikulas PatockaCC = $(HOSTCC) 1714c47b54SMikulas PatockaLD = $(HOSTLD) 18c1d45c3aSJosh Poimboeuf 19442f04c3SJosh Poimboeufifeq ($(srctree),) 20e19b7ceeSUwe Kleine-Königsrctree := $(patsubst %/,%,$(dir $(CURDIR))) 21442f04c3SJosh Poimboeufsrctree := $(patsubst %/,%,$(dir $(srctree))) 22442f04c3SJosh Poimboeufendif 23442f04c3SJosh Poimboeuf 24442f04c3SJosh PoimboeufSUBCMD_SRCDIR = $(srctree)/tools/lib/subcmd/ 25e19b7ceeSUwe Kleine-KönigLIBSUBCMD_OUTPUT = $(if $(OUTPUT),$(OUTPUT),$(CURDIR)/) 26c1d45c3aSJosh PoimboeufLIBSUBCMD = $(LIBSUBCMD_OUTPUT)libsubcmd.a 27442f04c3SJosh Poimboeuf 28442f04c3SJosh PoimboeufOBJTOOL := $(OUTPUT)objtool 29442f04c3SJosh PoimboeufOBJTOOL_IN := $(OBJTOOL)-in.o 30442f04c3SJosh Poimboeuf 31056d28d1SRolf Eike BeerLIBELF_FLAGS := $(shell pkg-config libelf --cflags 2>/dev/null) 32056d28d1SRolf Eike BeerLIBELF_LIBS := $(shell pkg-config libelf --libs 2>/dev/null || echo -lelf) 33056d28d1SRolf Eike Beer 34442f04c3SJosh Poimboeufall: $(OBJTOOL) 35442f04c3SJosh Poimboeuf 366a77cff8SJosh PoimboeufINCLUDES := -I$(srctree)/tools/include \ 376a77cff8SJosh Poimboeuf -I$(srctree)/tools/arch/$(HOSTARCH)/include/uapi \ 38*6f8ca676SJulien Thierry -I$(srctree)/tools/arch/$(SRCARCH)/include \ 39*6f8ca676SJulien Thierry -I$(srctree)/tools/objtool/arch/$(SRCARCH)/include 4021ec3bf6SJosh PoimboeufWARNINGS := $(EXTRA_WARNINGS) -Wno-switch-default -Wno-switch-enum -Wno-packed 41f73b3cc3SJosh PoimboeufCFLAGS := -Werror $(WARNINGS) $(KBUILD_HOSTCFLAGS) -g $(INCLUDES) $(LIBELF_FLAGS) 42056d28d1SRolf Eike BeerLDFLAGS += $(LIBELF_LIBS) $(LIBSUBCMD) $(KBUILD_HOSTLDFLAGS) 43442f04c3SJosh Poimboeuf 442e51f262SJan Beulich# Allow old libelf to be used: 459564a8cfSRasmus Villemoeselfshdr := $(shell echo '$(pound)include <libelf.h>' | $(CC) $(CFLAGS) -x c -E - | grep elf_getshdr) 462e51f262SJan BeulichCFLAGS += $(if $(elfshdr),,-DLIBELF_USE_DEPRECATED) 472e51f262SJan Beulich 48442f04c3SJosh PoimboeufAWK = awk 4960cbdf5dSJosh Poimboeufexport srctree OUTPUT CFLAGS SRCARCH AWK 50442f04c3SJosh Poimboeufinclude $(srctree)/tools/build/Makefile.include 51442f04c3SJosh Poimboeuf 52442f04c3SJosh Poimboeuf$(OBJTOOL_IN): fixdep FORCE 53aa584727SJulien Thierry @$(CONFIG_SHELL) ./sync-check.sh 54442f04c3SJosh Poimboeuf @$(MAKE) $(build)=objtool 55442f04c3SJosh Poimboeuf 56442f04c3SJosh Poimboeuf$(OBJTOOL): $(LIBSUBCMD) $(OBJTOOL_IN) 57442f04c3SJosh Poimboeuf $(QUIET_LINK)$(CC) $(OBJTOOL_IN) $(LDFLAGS) -o $@ 58442f04c3SJosh Poimboeuf 59442f04c3SJosh Poimboeuf 60442f04c3SJosh Poimboeuf$(LIBSUBCMD): fixdep FORCE 61c1d45c3aSJosh Poimboeuf $(Q)$(MAKE) -C $(SUBCMD_SRCDIR) OUTPUT=$(LIBSUBCMD_OUTPUT) 62442f04c3SJosh Poimboeuf 63c1d45c3aSJosh Poimboeufclean: 64442f04c3SJosh Poimboeuf $(call QUIET_CLEAN, objtool) $(RM) $(OBJTOOL) 65442f04c3SJosh Poimboeuf $(Q)find $(OUTPUT) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete 66d046b725SJosh Poimboeuf $(Q)$(RM) $(OUTPUT)arch/x86/inat-tables.c $(OUTPUT)fixdep 67442f04c3SJosh Poimboeuf 68442f04c3SJosh PoimboeufFORCE: 69442f04c3SJosh Poimboeuf 70442f04c3SJosh Poimboeuf.PHONY: clean FORCE 71