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