Makefile: Keep list of exported variables
This can be useful to unexport them later. Change-Id: I2ce9eff32d817ec190441550116376843abd1c11 Signed-off-by: Nico Huber <nico.h@gmx.de> Reviewed-on: https://review.coreboot.org/21162 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Georgi <pgeorgi@google.com> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
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38
Makefile
38
Makefile
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@ -30,24 +30,31 @@
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## SUCH DAMAGE.
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## SUCH DAMAGE.
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##
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##
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export top := $(CURDIR)
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top := $(CURDIR)
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export src := src
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src := src
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export srck := $(top)/util/kconfig
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srck := $(top)/util/kconfig
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obj ?= build
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obj ?= build
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override obj := $(subst $(top)/,,$(abspath $(obj)))
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override obj := $(subst $(top)/,,$(abspath $(obj)))
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export obj
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objutil ?= $(obj)/util
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export objutil ?= $(obj)/util
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objk := $(objutil)/kconfig
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export objk := $(objutil)/kconfig
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absobj := $(abspath $(obj))
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absobj := $(abspath $(obj))
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COREBOOT_EXPORTS := COREBOOT_EXPORTS
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COREBOOT_EXPORTS += top src srck obj objutil objk
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export KCONFIG_AUTOHEADER := $(obj)/config.h
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DOTCONFIG ?= $(top)/.config
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export KCONFIG_AUTOCONFIG := $(obj)/auto.conf
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KCONFIG_CONFIG = $(DOTCONFIG)
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export KCONFIG_DEPENDENCIES := $(obj)/auto.conf.cmd
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KCONFIG_AUTOHEADER := $(obj)/config.h
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export KCONFIG_SPLITCONFIG := $(obj)/config
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KCONFIG_AUTOCONFIG := $(obj)/auto.conf
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export KCONFIG_TRISTATE := $(obj)/tristate.conf
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KCONFIG_DEPENDENCIES := $(obj)/auto.conf.cmd
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export KCONFIG_NEGATIVES := 1
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KCONFIG_SPLITCONFIG := $(obj)/config
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export KCONFIG_STRICT := 1
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KCONFIG_TRISTATE := $(obj)/tristate.conf
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KCONFIG_NEGATIVES := 1
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KCONFIG_STRICT := 1
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COREBOOT_EXPORTS += KCONFIG_CONFIG KCONFIG_AUTOHEADER KCONFIG_AUTOCONFIG
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COREBOOT_EXPORTS += KCONFIG_DEPENDENCIES KCONFIG_SPLITCONFIG KCONFIG_TRISTATE
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COREBOOT_EXPORTS += KCONFIG_NEGATIVES KCONFIG_STRICT
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# directory containing the toplevel Makefile.inc
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# directory containing the toplevel Makefile.inc
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TOPLEVEL := .
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TOPLEVEL := .
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@ -55,9 +62,6 @@ TOPLEVEL := .
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CONFIG_SHELL := sh
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CONFIG_SHELL := sh
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KBUILD_DEFCONFIG := configs/defconfig
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KBUILD_DEFCONFIG := configs/defconfig
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UNAME_RELEASE := $(shell uname -r)
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UNAME_RELEASE := $(shell uname -r)
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DOTCONFIG ?= $(top)/.config
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KCONFIG_CONFIG = $(DOTCONFIG)
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export KCONFIG_CONFIG
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HAVE_DOTCONFIG := $(wildcard $(DOTCONFIG))
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HAVE_DOTCONFIG := $(wildcard $(DOTCONFIG))
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MAKEFLAGS += -rR --no-print-directory
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MAKEFLAGS += -rR --no-print-directory
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@ -82,6 +86,8 @@ PREPROCESS_ONLY := -E -P -x assembler-with-cpp -undef -I .
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DOXYGEN := doxygen
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DOXYGEN := doxygen
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DOXYGEN_OUTPUT_DIR := doxygen
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DOXYGEN_OUTPUT_DIR := doxygen
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export $(COREBOOT_EXPORTS)
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all: real-all
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all: real-all
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help_coreboot help::
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help_coreboot help::
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22
Makefile.inc
22
Makefile.inc
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@ -29,33 +29,35 @@ CONFIG_DEVICETREE:=$(call strip_quotes, $(CONFIG_DEVICETREE))
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# misleadingly named, this is the coreboot version
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# misleadingly named, this is the coreboot version
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ifeq ($(KERNELVERSION),)
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ifeq ($(KERNELVERSION),)
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ifeq ($(BUILD_TIMELESS),1)
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ifeq ($(BUILD_TIMELESS),1)
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export KERNELVERSION := TIMELESS
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KERNELVERSION := TIMELESS
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else
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else
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export KERNELVERSION := $(strip $(if $(GIT),\
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KERNELVERSION := $(strip $(if $(GIT),\
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$(shell git describe --dirty --always || git describe),\
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$(shell git describe --dirty --always || git describe),\
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$(if $(wildcard $(top)/.coreboot-version),\
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$(if $(wildcard $(top)/.coreboot-version),\
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$(shell cat $(top)/.coreboot-version),\
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$(shell cat $(top)/.coreboot-version),\
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coreboot-unknown$(KERNELREVISION))))
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coreboot-unknown$(KERNELREVISION))))
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endif
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endif
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endif
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endif
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COREBOOT_EXPORTS += KERNELVERSION
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#######################################################################
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#######################################################################
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# Basic component discovery
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# Basic component discovery
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MAINBOARDDIR=$(call strip_quotes,$(CONFIG_MAINBOARD_DIR))
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MAINBOARDDIR=$(call strip_quotes,$(CONFIG_MAINBOARD_DIR))
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VARIANT_DIR:=$(call strip_quotes,$(CONFIG_VARIANT_DIR))
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VARIANT_DIR:=$(call strip_quotes,$(CONFIG_VARIANT_DIR))
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export MAINBOARDDIR
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COREBOOT_EXPORTS += MAINBOARDDIR VARIANT_DIR
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export VARIANT_DIR
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## Final build results, which CBFSTOOL uses to create the final
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## Final build results, which CBFSTOOL uses to create the final
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## rom image file, are placed under $(objcbfs).
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## rom image file, are placed under $(objcbfs).
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## These typically have suffixes .debug .elf .bin and .map
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## These typically have suffixes .debug .elf .bin and .map
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export objcbfs := $(obj)/cbfs/$(CONFIG_CBFS_PREFIX)
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objcbfs := $(obj)/cbfs/$(CONFIG_CBFS_PREFIX)
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COREBOOT_EXPORTS += objcbfs
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## Based on the active configuration, Makefile conditionally collects
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## Based on the active configuration, Makefile conditionally collects
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## the required assembly includes and saves them in a file.
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## the required assembly includes and saves them in a file.
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## Such files that do not have a clear one-to-one relation to a source
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## Such files that do not have a clear one-to-one relation to a source
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## file under src/ are placed and built under $(objgenerated)
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## file under src/ are placed and built under $(objgenerated)
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export objgenerated := $(obj)/generated
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objgenerated := $(obj)/generated
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COREBOOT_EXPORTS += objgenerated
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#######################################################################
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#######################################################################
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# root rule to resolve if in build mode (ie. configuration exists)
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# root rule to resolve if in build mode (ie. configuration exists)
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@ -195,7 +197,8 @@ ifeq ($(CONFIG_USE_BLOBS),y)
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# unless explicitly requested and enabled through --checkout
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# unless explicitly requested and enabled through --checkout
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forgetthis:=$(if $(GIT),$(shell git submodule update --init --checkout 3rdparty/blobs))
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forgetthis:=$(if $(GIT),$(shell git submodule update --init --checkout 3rdparty/blobs))
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endif
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endif
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export UPDATED_SUBMODULES:=1
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UPDATED_SUBMODULES:=1
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COREBOOT_EXPORTS += UPDATED_SUBMODULES
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endif
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endif
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postcar-c-deps:=$$(OPTION_TABLE_H)
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postcar-c-deps:=$$(OPTION_TABLE_H)
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@ -347,7 +350,8 @@ CBFS_PRERAM_COMPRESS_FLAG:=LZ4
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endif
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endif
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ifneq ($(CONFIG_LOCALVERSION),"")
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ifneq ($(CONFIG_LOCALVERSION),"")
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export COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION))
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COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION))
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COREBOOT_EXPORTS += COREBOOT_EXTRA_VERSION
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endif
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endif
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CPPFLAGS_common := -Isrc -Isrc/include -Isrc/commonlib/include -I$(obj)
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CPPFLAGS_common := -Isrc -Isrc/include -Isrc/commonlib/include -I$(obj)
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@ -437,6 +441,8 @@ additional-dirs := $(objutil)/cbfstool $(objutil)/romcc $(objutil)/ifdtool \
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$(objutil)/ifdfake $(objutil)/options $(objutil)/amdfwtool \
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$(objutil)/ifdfake $(objutil)/options $(objutil)/amdfwtool \
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$(objutil)/cbootimage $(objutil)/bimgtool
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$(objutil)/cbootimage $(objutil)/bimgtool
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export $(COREBOOT_EXPORTS)
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#######################################################################
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#######################################################################
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# generate build support files
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# generate build support files
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$(obj)/build.h: .xcompile
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$(obj)/build.h: .xcompile
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