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cb14bbbb7b
commit c8a950d0d3b926a02c7b2e713850d38217cec3d1 upstream. Several Makefiles in tools/ need to define the host toolchain variables. Move their definition to tools/scripts/Makefile.include Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Jiri Olsa <jolsa@redhat.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Link: https://lore.kernel.org/bpf/20201110164310.2600671-2-jean-philippe@linaro.org Cc: Alistair Delva <adelva@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
76 lines
2.0 KiB
Makefile
76 lines
2.0 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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include ../scripts/Makefile.include
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include ../scripts/Makefile.arch
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# always use the host compiler
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AR = $(HOSTAR)
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CC = $(HOSTCC)
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LD = $(HOSTLD)
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ifeq ($(srctree),)
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srctree := $(patsubst %/,%,$(dir $(CURDIR)))
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srctree := $(patsubst %/,%,$(dir $(srctree)))
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endif
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SUBCMD_SRCDIR = $(srctree)/tools/lib/subcmd/
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LIBSUBCMD_OUTPUT = $(if $(OUTPUT),$(OUTPUT),$(CURDIR)/)
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LIBSUBCMD = $(LIBSUBCMD_OUTPUT)libsubcmd.a
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OBJTOOL := $(OUTPUT)objtool
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OBJTOOL_IN := $(OBJTOOL)-in.o
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LIBELF_FLAGS := $(shell pkg-config libelf --cflags 2>/dev/null)
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LIBELF_LIBS := $(shell pkg-config libelf --libs 2>/dev/null || echo -lelf)
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all: $(OBJTOOL)
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INCLUDES := -I$(srctree)/tools/include \
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-I$(srctree)/tools/arch/$(HOSTARCH)/include/uapi \
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-I$(srctree)/tools/arch/$(SRCARCH)/include \
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-I$(srctree)/tools/objtool/arch/$(SRCARCH)/include
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WARNINGS := $(EXTRA_WARNINGS) -Wno-switch-default -Wno-switch-enum -Wno-packed -Wno-nested-externs
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CFLAGS := -Werror $(WARNINGS) $(KBUILD_HOSTCFLAGS) -g $(INCLUDES) $(LIBELF_FLAGS)
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LDFLAGS += $(LIBELF_LIBS) $(LIBSUBCMD) $(KBUILD_HOSTLDFLAGS)
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# Allow old libelf to be used:
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elfshdr := $(shell echo '$(pound)include <libelf.h>' | $(CC) $(CFLAGS) -x c -E - | grep elf_getshdr)
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CFLAGS += $(if $(elfshdr),,-DLIBELF_USE_DEPRECATED)
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AWK = awk
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SUBCMD_CHECK := n
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SUBCMD_ORC := n
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ifeq ($(SRCARCH),x86)
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SUBCMD_CHECK := y
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SUBCMD_ORC := y
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endif
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ifeq ($(SUBCMD_ORC),y)
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CFLAGS += -DINSN_USE_ORC
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endif
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export SUBCMD_CHECK SUBCMD_ORC
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export srctree OUTPUT CFLAGS SRCARCH AWK
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include $(srctree)/tools/build/Makefile.include
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$(OBJTOOL_IN): fixdep FORCE
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@$(CONFIG_SHELL) ./sync-check.sh
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@$(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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$(Q)$(MAKE) -C $(SUBCMD_SRCDIR) OUTPUT=$(LIBSUBCMD_OUTPUT)
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clean:
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$(call QUIET_CLEAN, objtool) $(RM) $(OBJTOOL)
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$(Q)find $(OUTPUT) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
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$(Q)$(RM) $(OUTPUT)arch/x86/inat-tables.c $(OUTPUT)fixdep
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FORCE:
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.PHONY: clean FORCE
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