X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/d4ad0a34cfccc7c18f4f4aca68237a4a8379932f..1bcca9e4df020c5fa4e9b7152e8e368f8f231695:/include/kernel-build.mk?ds=sidebyside diff --git a/include/kernel-build.mk b/include/kernel-build.mk index 8d8a587bd..282dc9614 100644 --- a/include/kernel-build.mk +++ b/include/kernel-build.mk @@ -7,16 +7,14 @@ 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 @@ -40,12 +38,28 @@ define Kernel/Clean $(call Kernel/Clean/Default) endef +define Download/kernel + URL:=$(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) @@ -53,6 +67,28 @@ define BuildKernel $(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 $$@ @@ -61,8 +97,9 @@ define BuildKernel $(Kernel/CompileModules) touch $$@ - $(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 $$@ mostlyclean: FORCE @@ -76,27 +113,23 @@ define BuildKernel compile: $(LINUX_DIR)/.modules $(MAKE) -C image compile TARGET_BUILD= - oldconfig menuconfig: $(STAMP_PREPARED) FORCE - $(Kernel/Configure) + oldconfig menuconfig nconfig: $(STAMP_PREPARED) $(STAMP_CHECKED) FORCE + [ -e "$(LINUX_CONFIG)" ] || touch "$(LINUX_CONFIG)" $(LINUX_CONFCMD) > $(LINUX_DIR)/.config - $(MAKE) -C $(LINUX_DIR) $(KERNEL_MAKEOPTS) $$@ - $(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