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 $(INCLUDE_DIR)/download.mk
MD5SUM:=$(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
$(if $(QUILT),$(Build/Quilt))
$(if $(LINUX_SITE),$(call Download,kernel))
$(Kernel/Prepare)
touch $$@
- $(STAMP_CONFIGURED): $(STAMP_PREPARED) $(LINUX_CONFIG) $(GENERIC_LINUX_CONFIG) $(TOPDIR)/.config
+ $(KERNEL_BUILD_DIR)/symtab.txt: FORCE
+ find $(LINUX_DIR) $(STAGING_DIR_ROOT)/lib/modules -name \*.ko | \
+ xargs $(TARGET_CROSS)nm | \
+ awk '$$$$1 == "U" { print $$$$2 } ' | \
+ sort -u > $$@
+
+ $(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_KCONFIG_LIST) $(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 $$@
mostlyclean: FORCE
compile: $(LINUX_DIR)/.modules
$(MAKE) -C image compile TARGET_BUILD=
- oldconfig menuconfig: $(STAMP_PREPARED) FORCE
- $(LINUX_CONFCMD) > $(LINUX_DIR)/.config
- $(MAKE) -C $(LINUX_DIR) $(KERNEL_MAKEOPTS) $$@
- $(SCRIPT_DIR)/kconfig.pl '>' $(GENERIC_LINUX_CONFIG) $(LINUX_DIR)/.config > $(LINUX_CONFIG)
- $(Kernel/Configure)
+ oldconfig menuconfig nconfig: $(STAMP_PREPARED) $(STAMP_CHECKED) FORCE
+ rm -f $(STAMP_CONFIGURED)
+ $(LINUX_RECONF_CMD) > $(LINUX_DIR)/.config
+ $(_SINGLE)$(MAKE) -C $(LINUX_DIR) $(KERNEL_MAKEOPTS) $$@
+ $(LINUX_RECONF_DIFF) $(LINUX_DIR)/.config > $(LINUX_RECONFIG_TARGET)
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