include $(INCLUDE_DIR)/host.mk
include $(INCLUDE_DIR)/prereq.mk
-ifneq ($(DUMP),1)
- override MAKEFLAGS=
-endif
-
ifneq ($(DUMP),1)
all: compile
endif
+export QUILT=1
STAMP_PREPARED:=$(LINUX_DIR)/.prepared
STAMP_CONFIGURED:=$(LINUX_DIR)/.configured
+include $(INCLUDE_DIR)/download.mk
include $(INCLUDE_DIR)/quilt.mk
include $(INCLUDE_DIR)/kernel-defaults.mk
$(call Kernel/Clean/Default)
endef
+define Download/kernel
+ URL:=$(LINUX_SITE)
+ FILE:=$(LINUX_SOURCE)
+ MD5SUM:=$(LINUX_KERNEL_MD5SUM)
+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 | bzip2 -c -9 > $(BIN_DIR)/kernel-debug.tar.bz2
+ endef
+endif
+
define BuildKernel
- ifneq ($(LINUX_SITE),)
- $(DL_DIR)/$(LINUX_SOURCE):
- -mkdir -p $(DL_DIR)
- $(SCRIPT_DIR)/download.pl $(DL_DIR) $(LINUX_SOURCE) $(LINUX_KERNEL_MD5SUM) $(LINUX_SITE)
- endif
+ $(if $(QUILT),$(Build/Quilt))
+ $(if $(LINUX_SITE),$(call Download,kernel))
$(STAMP_PREPARED): $(DL_DIR)/$(LINUX_SOURCE)
-rm -rf $(KERNEL_BUILD_DIR)
$(Kernel/Prepare)
touch $$@
+ $(KERNEL_BUILD_DIR)/symtab.txt: FORCE
+ find $(LINUX_DIR) $(STAGING_DIR_ROOT)/lib/modules -name \*.ko | \
+ xargs $(TARGET_CROSS)nm | \
+ awk '$$$$1 == "U" { print $$$$2 } ' | \
+ sort -u > $$@
+
+ $(KERNEL_BUILD_DIR)/symtab.h: $(KERNEL_BUILD_DIR)/symtab.txt
+ ( \
+ echo '#define SYMTAB_KEEP \'; \
+ cat $(KERNEL_BUILD_DIR)/symtab.txt | \
+ awk '{print "*(__ksymtab." $$$$1 ") \\" }'; \
+ echo; \
+ echo '#define SYMTAB_KEEP_GPL \'; \
+ cat $(KERNEL_BUILD_DIR)/symtab.txt | \
+ awk '{print "*(__ksymtab_gpl." $$$$1 ") \\" }'; \
+ echo; \
+ echo '#define SYMTAB_KEEP_STR \'; \
+ cat $(KERNEL_BUILD_DIR)/symtab.txt | \
+ awk '{print "*(__ksymtab_strings." $$$$1 ") \\" }'; \
+ echo; \
+ ) > $$@
+
$(STAMP_CONFIGURED): $(STAMP_PREPARED) $(LINUX_CONFIG) $(GENERIC_LINUX_CONFIG) $(TOPDIR)/.config
$(Kernel/Configure)
touch $$@
$(Kernel/CompileModules)
touch $$@
- $(LINUX_DIR)/.image: $(STAMP_CONFIGURED) FORCE
+ $(LINUX_DIR)/.image: $(STAMP_CONFIGURED) $(if $(CONFIG_STRIP_KERNEL_EXPORTS),$(KERNEL_BUILD_DIR)/symtab.h) FORCE
$(Kernel/CompileImage)
+ $(Kernel/CollectDebug)
touch $$@
mostlyclean: FORCE
compile: $(LINUX_DIR)/.modules
$(MAKE) -C image compile TARGET_BUILD=
- oldconfig menuconfig: $(STAMP_PREPARED) FORCE
- $(Kernel/Configure)
+ oldconfig menuconfig: $(STAMP_PREPARED) $(STAMP_CHECKED) FORCE
+ [ -e "$(LINUX_CONFIG)" ] || touch "$(LINUX_CONFIG)"
$(LINUX_CONFCMD) > $(LINUX_DIR)/.config
- $(MAKE) -C $(LINUX_DIR) $(KERNEL_MAKEOPTS) $$@
- $(SCRIPT_DIR)/kconfig.pl '>' $(GENERIC_LINUX_CONFIG) $(LINUX_DIR)/.config > $(LINUX_CONFIG)
+ touch $(LINUX_CONFIG)
+ $(_SINGLE)$(MAKE) -C $(LINUX_DIR) $(KERNEL_MAKEOPTS) $$@
+ $(SCRIPT_DIR)/kconfig.pl '>' $(if $(LINUX_SUBCONFIG),'+' $(GENERIC_LINUX_CONFIG) $(LINUX_CONFIG),$(GENERIC_LINUX_CONFIG)) \
+ $(LINUX_DIR)/.config > $(if $(LINUX_SUBCONFIG),$(LINUX_SUBCONFIG),$(LINUX_CONFIG))
+ $(Kernel/Configure)
install: $(LINUX_DIR)/.image
- TARGET_BUILD="" $(MAKE) -C image compile install
+ +$(MAKE) -C image compile install TARGET_BUILD=
clean: FORCE
rm -rf $(KERNEL_BUILD_DIR)
- rebuild: FORCE
- @$(MAKE) mostlyclean
- @if [ -f $(LINUX_KERNEL) ]; then \
- $(MAKE) clean; \
- fi
- @$(MAKE) compile
-
image-prereq:
- $(SUBMAKE) -s -C image prereq TARGET_BUILD=
+ @+$(NO_TRACE_MAKE) -s -C image prereq TARGET_BUILD=
prereq: image-prereq