mirror of https://github.com/hak5/openwrt-owl.git
179 lines
5.3 KiB
Makefile
179 lines
5.3 KiB
Makefile
#
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# Copyright (C) 2006-2007 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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include $(INCLUDE_DIR)/prereq.mk
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include $(INCLUDE_DIR)/depends.mk
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ifneq ($(DUMP),1)
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all: compile
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endif
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KERNEL_FILE_DEPENDS=$(GENERIC_PATCH_DIR) $(PATCH_DIR) $(GENERIC_FILES_DIR) $(FILES_DIR)
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STAMP_PREPARED=$(LINUX_DIR)/.prepared$(if $(QUILT)$(DUMP),,_$(shell $(call find_md5,$(KERNEL_FILE_DEPENDS),)))
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STAMP_CONFIGURED:=$(LINUX_DIR)/.configured
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include $(INCLUDE_DIR)/download.mk
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include $(INCLUDE_DIR)/quilt.mk
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include $(INCLUDE_DIR)/kernel-defaults.mk
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define Kernel/Prepare
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$(call Kernel/Prepare/Default)
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endef
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define Kernel/Configure
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$(call Kernel/Configure/Default)
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endef
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define Kernel/CompileModules
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$(call Kernel/CompileModules/Default)
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endef
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define Kernel/CompileImage
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$(call Kernel/CompileImage/Default)
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$(call Kernel/CompileImage/Initramfs)
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endef
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define Kernel/Clean
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$(call Kernel/Clean/Default)
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endef
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define Download/kernel
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URL:=$(LINUX_SITE)
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FILE:=$(LINUX_SOURCE)
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HASH:=$(LINUX_KERNEL_HASH)
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endef
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KERNEL_GIT_OPTS:=
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ifneq ($(strip $(CONFIG_KERNEL_GIT_LOCAL_REPOSITORY)),"")
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KERNEL_GIT_OPTS+=--reference $(CONFIG_KERNEL_GIT_LOCAL_REPOSITORY)
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endif
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ifneq ($(strip $(CONFIG_KERNEL_GIT_BRANCH)),"")
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KERNEL_GIT_OPTS+=--branch $(CONFIG_KERNEL_GIT_BRANCH)
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endif
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define Download/git-kernel
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URL:=$(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI))
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PROTO:=git
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VERSION:=$(CONFIG_KERNEL_GIT_BRANCH)
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FILE:=$(LINUX_SOURCE)
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SUBDIR:=linux-$(LINUX_VERSION)
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OPTS:=$(KERNEL_GIT_OPTS)
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endef
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ifdef CONFIG_COLLECT_KERNEL_DEBUG
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define Kernel/CollectDebug
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rm -rf $(KERNEL_BUILD_DIR)/debug
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mkdir -p $(KERNEL_BUILD_DIR)/debug/modules
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$(CP) $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/debug/
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-$(CP) \
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$(STAGING_DIR_ROOT)/lib/modules/$(LINUX_VERSION)/* \
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$(KERNEL_BUILD_DIR)/debug/modules/
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$(FIND) $(KERNEL_BUILD_DIR)/debug -type f | $(XARGS) $(KERNEL_CROSS)strip --only-keep-debug
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$(TAR) c -C $(KERNEL_BUILD_DIR) debug \
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$(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
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| bzip2 -c -9 > $(BIN_DIR)/kernel-debug.tar.bz2
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endef
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endif
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ifeq ($(DUMP)$(filter prereq clean refresh update,$(MAKECMDGOALS)),)
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ifneq ($(if $(QUILT),,$(CONFIG_AUTOREBUILD)),)
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define Kernel/Autoclean
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$(PKG_BUILD_DIR)/.dep_files: $(STAMP_PREPARED)
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$(call rdep,$(KERNEL_FILE_DEPENDS),$(STAMP_PREPARED),$(PKG_BUILD_DIR)/.dep_files,-x "*/.dep_*")
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endef
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endif
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endif
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define BuildKernel
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$(if $(QUILT),$(Build/Quilt))
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$(if $(LINUX_SITE),$(call Download,kernel))
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$(if $(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI)),$(call Download,git-kernel))
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.NOTPARALLEL:
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$(Kernel/Autoclean)
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$(STAMP_PREPARED): $(if $(LINUX_SITE),$(DL_DIR)/$(LINUX_SOURCE))
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-rm -rf $(KERNEL_BUILD_DIR)
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-mkdir -p $(KERNEL_BUILD_DIR)
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$(Kernel/Prepare)
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touch $$@
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$(KERNEL_BUILD_DIR)/symtab.h: FORCE
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rm -f $(KERNEL_BUILD_DIR)/symtab.h
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touch $(KERNEL_BUILD_DIR)/symtab.h
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+$(KERNEL_MAKE) vmlinux
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find $(LINUX_DIR) $(STAGING_DIR_ROOT)/lib/modules -name \*.ko | \
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xargs $(TARGET_CROSS)nm | \
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awk '$$$$1 == "U" { print $$$$2 } ' | \
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sort -u > $(KERNEL_BUILD_DIR)/mod_symtab.txt
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$(TARGET_CROSS)nm -n $(LINUX_DIR)/vmlinux.o | grep ' [rR] __ksymtab' | sed -e 's,........ [rR] __ksymtab_,,' > $(KERNEL_BUILD_DIR)/kernel_symtab.txt
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grep -Ff $(KERNEL_BUILD_DIR)/mod_symtab.txt $(KERNEL_BUILD_DIR)/kernel_symtab.txt > $(KERNEL_BUILD_DIR)/sym_include.txt
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grep -Fvf $(KERNEL_BUILD_DIR)/mod_symtab.txt $(KERNEL_BUILD_DIR)/kernel_symtab.txt > $(KERNEL_BUILD_DIR)/sym_exclude.txt
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( \
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echo '#define SYMTAB_KEEP \'; \
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cat $(KERNEL_BUILD_DIR)/sym_include.txt | \
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awk '{print "KEEP(*(___ksymtab+" $$$$1 ")) \\" }'; \
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echo; \
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echo '#define SYMTAB_KEEP_GPL \'; \
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cat $(KERNEL_BUILD_DIR)/sym_include.txt | \
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awk '{print "KEEP(*(___ksymtab_gpl+" $$$$1 ")) \\" }'; \
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echo; \
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echo '#define SYMTAB_DISCARD \'; \
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cat $(KERNEL_BUILD_DIR)/sym_exclude.txt | \
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awk '{print "*(___ksymtab+" $$$$1 ") \\" }'; \
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echo; \
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echo '#define SYMTAB_DISCARD_GPL \'; \
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cat $(KERNEL_BUILD_DIR)/sym_exclude.txt | \
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awk '{print "*(___ksymtab_gpl+" $$$$1 ") \\" }'; \
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echo; \
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) > $$@
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$(STAMP_CONFIGURED): $(STAMP_PREPARED) $(LINUX_KCONFIG_LIST) $(TOPDIR)/.config FORCE
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$(Kernel/Configure)
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touch $$@
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$(LINUX_DIR)/.modules: $(STAMP_CONFIGURED) $(LINUX_DIR)/.config FORCE
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$(Kernel/CompileModules)
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touch $$@
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$(LINUX_DIR)/.image: $(STAMP_CONFIGURED) $(if $(CONFIG_STRIP_KERNEL_EXPORTS),$(KERNEL_BUILD_DIR)/symtab.h) FORCE
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$(Kernel/CompileImage)
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$(Kernel/CollectDebug)
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touch $$@
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mostlyclean: FORCE
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$(Kernel/Clean)
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define BuildKernel
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endef
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download: $(if $(LINUX_SITE),$(DL_DIR)/$(LINUX_SOURCE))
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prepare: $(STAMP_PREPARED)
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compile: $(LINUX_DIR)/.modules
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$(MAKE) -C image compile TARGET_BUILD=
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oldconfig menuconfig nconfig: $(STAMP_PREPARED) $(STAMP_CHECKED) FORCE
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rm -f $(LINUX_DIR)/.config.prev
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rm -f $(STAMP_CONFIGURED)
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$(LINUX_RECONF_CMD) > $(LINUX_DIR)/.config
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$(_SINGLE)$(KERNEL_MAKE) \
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$(if $(findstring Darwin,$(HOST_OS)),HOST_LOADLIBES="-L$(STAGING_DIR_HOST)/lib -lncurses") \
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$$@
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$(LINUX_RECONF_DIFF) $(LINUX_DIR)/.config > $(LINUX_RECONFIG_TARGET)
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install: $(LINUX_DIR)/.image
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+$(MAKE) -C image compile install TARGET_BUILD=
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clean: FORCE
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rm -rf $(KERNEL_BUILD_DIR)
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image-prereq:
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@+$(NO_TRACE_MAKE) -s -C image prereq TARGET_BUILD=
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prereq: image-prereq
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endef
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