2017-11-01 15:07:57 +01:00
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# SPDX-License-Identifier: GPL-2.0
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2016-02-28 22:22:41 -06:00
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include ../scripts/Makefile.include
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2016-07-22 09:59:24 -03:00
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include ../scripts/Makefile.arch
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2016-02-28 22:22:41 -06:00
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2016-03-02 18:39:37 -06:00
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# always use the host compiler
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2019-05-16 12:49:42 -05:00
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AR = $(HOSTAR)
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2017-12-02 16:17:44 -06:00
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CC = $(HOSTCC)
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LD = $(HOSTLD)
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2016-03-02 18:39:37 -06:00
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2016-02-28 22:22:41 -06:00
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ifeq ($(srctree),)
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2016-11-22 09:30:26 +01:00
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srctree := $(patsubst %/,%,$(dir $(CURDIR)))
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2016-02-28 22:22:41 -06:00
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srctree := $(patsubst %/,%,$(dir $(srctree)))
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endif
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2016-03-02 18:39:37 -06:00
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SUBCMD_SRCDIR = $(srctree)/tools/lib/subcmd/
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2022-02-11 14:14:11 +09:00
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LIBSUBCMD_OUTPUT = $(or $(OUTPUT),$(CURDIR)/)
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2016-03-02 18:39:37 -06:00
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LIBSUBCMD = $(LIBSUBCMD_OUTPUT)libsubcmd.a
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2016-02-28 22:22:41 -06:00
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OBJTOOL := $(OUTPUT)objtool
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OBJTOOL_IN := $(OBJTOOL)-in.o
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2022-04-01 23:18:02 +00:00
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LIBELF_FLAGS := $(shell $(HOSTPKG_CONFIG) libelf --cflags 2>/dev/null)
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LIBELF_LIBS := $(shell $(HOSTPKG_CONFIG) libelf --libs 2>/dev/null || echo -lelf)
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2019-03-26 12:48:39 -05:00
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2016-02-28 22:22:41 -06:00
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all: $(OBJTOOL)
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2017-11-06 07:21:50 -06:00
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INCLUDES := -I$(srctree)/tools/include \
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-I$(srctree)/tools/arch/$(HOSTARCH)/include/uapi \
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2020-03-27 15:28:46 +00:00
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-I$(srctree)/tools/arch/$(SRCARCH)/include \
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2020-11-13 00:03:32 +01:00
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-I$(srctree)/tools/objtool/include \
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2020-03-27 15:28:46 +00:00
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-I$(srctree)/tools/objtool/arch/$(SRCARCH)/include
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2020-10-05 17:50:28 +02:00
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WARNINGS := $(EXTRA_WARNINGS) -Wno-switch-default -Wno-switch-enum -Wno-packed -Wno-nested-externs
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2019-08-29 18:28:49 -05:00
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CFLAGS := -Werror $(WARNINGS) $(KBUILD_HOSTCFLAGS) -g $(INCLUDES) $(LIBELF_FLAGS)
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2019-03-26 12:48:39 -05:00
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LDFLAGS += $(LIBELF_LIBS) $(LIBSUBCMD) $(KBUILD_HOSTLDFLAGS)
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2016-02-28 22:22:41 -06:00
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2016-05-16 15:31:07 -05:00
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# Allow old libelf to be used:
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2018-04-08 23:35:28 +02:00
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elfshdr := $(shell echo '$(pound)include <libelf.h>' | $(CC) $(CFLAGS) -x c -E - | grep elf_getshdr)
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2016-05-16 15:31:07 -05:00
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CFLAGS += $(if $(elfshdr),,-DLIBELF_USE_DEPRECATED)
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2016-02-28 22:22:41 -06:00
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AWK = awk
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2020-05-19 13:55:33 -07:00
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2022-04-18 09:50:27 -07:00
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BUILD_ORC := n
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2020-05-19 13:55:33 -07:00
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ifeq ($(SRCARCH),x86)
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2022-04-18 09:50:27 -07:00
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BUILD_ORC := y
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2020-05-19 13:55:33 -07:00
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endif
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2022-04-18 09:50:27 -07:00
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export BUILD_ORC
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2016-07-22 14:19:20 -05:00
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export srctree OUTPUT CFLAGS SRCARCH AWK
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2016-02-28 22:22:41 -06:00
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include $(srctree)/tools/build/Makefile.include
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$(OBJTOOL_IN): fixdep FORCE
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2020-03-27 15:28:38 +00:00
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@$(CONFIG_SHELL) ./sync-check.sh
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2016-02-28 22:22:41 -06:00
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@$(MAKE) $(build)=objtool
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$(OBJTOOL): $(LIBSUBCMD) $(OBJTOOL_IN)
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$(QUIET_LINK)$(CC) $(OBJTOOL_IN) $(LDFLAGS) -o $@
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$(LIBSUBCMD): fixdep FORCE
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2016-03-02 18:39:37 -06:00
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$(Q)$(MAKE) -C $(SUBCMD_SRCDIR) OUTPUT=$(LIBSUBCMD_OUTPUT)
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2016-02-28 22:22:41 -06:00
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2016-03-02 18:39:37 -06:00
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clean:
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2016-02-28 22:22:41 -06:00
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$(call QUIET_CLEAN, objtool) $(RM) $(OBJTOOL)
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$(Q)find $(OUTPUT) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
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2022-05-11 16:37:50 +08:00
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$(Q)$(RM) $(OUTPUT)arch/x86/lib/inat-tables.c $(OUTPUT)fixdep $(LIBSUBCMD)
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2016-02-28 22:22:41 -06:00
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FORCE:
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.PHONY: clean FORCE
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