X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fstaging%2Fchunkeey.git;a=blobdiff_plain;f=include%2Fkernel-build.mk;h=b7bcf0e17deb8a963c1cdeb87acaf85baebea68c;hp=cf8737c8ee72d6c39f0c4200d58ffe434e5db49a;hb=206bebcad40ceade2a1992c86b29b6645e303764;hpb=5171edd8d5f2607511ba2a86cf110686e10a8ad8

diff --git a/include/kernel-build.mk b/include/kernel-build.mk
index cf8737c8ee..b7bcf0e17d 100644
--- a/include/kernel-build.mk
+++ b/include/kernel-build.mk
@@ -4,15 +4,15 @@
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
 #
-include $(INCLUDE_DIR)/host.mk
 include $(INCLUDE_DIR)/prereq.mk
+include $(INCLUDE_DIR)/depends.mk
 
 ifneq ($(DUMP),1)
   all: compile
 endif
 
-export QUILT=1
-STAMP_PREPARED:=$(LINUX_DIR)/.prepared
+KERNEL_FILE_DEPENDS=$(GENERIC_BACKPORT_DIR) $(GENERIC_PATCH_DIR) $(GENERIC_HACK_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
@@ -32,6 +32,7 @@ endef
 
 define Kernel/CompileImage
 	$(call Kernel/CompileImage/Default)
+	$(call Kernel/CompileImage/Initramfs)
 endef
 
 define Kernel/Clean
@@ -41,7 +42,21 @@ endef
 define Download/kernel
   URL:=$(LINUX_SITE)
   FILE:=$(LINUX_SOURCE)
-  MD5SUM:=$(LINUX_KERNEL_MD5SUM)
+  HASH:=$(LINUX_KERNEL_HASH)
+endef
+
+KERNEL_GIT_OPTS:=
+ifneq ($(strip $(CONFIG_KERNEL_GIT_LOCAL_REPOSITORY)),"")
+  KERNEL_GIT_OPTS+=--reference $(CONFIG_KERNEL_GIT_LOCAL_REPOSITORY)
+endif
+
+define Download/git-kernel
+  URL:=$(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI))
+  PROTO:=git
+  VERSION:=$(CONFIG_KERNEL_GIT_REF)
+  FILE:=$(LINUX_SOURCE)
+  SUBDIR:=linux-$(LINUX_VERSION)
+  OPTS:=$(KERNEL_GIT_OPTS)
 endef
 
 ifdef CONFIG_COLLECT_KERNEL_DEBUG
@@ -53,43 +68,66 @@ ifdef CONFIG_COLLECT_KERNEL_DEBUG
 		$(STAGING_DIR_ROOT)/lib/modules/$(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
+	$(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.txt: FORCE
+  $(KERNEL_BUILD_DIR)/symtab.h: FORCE
+	rm -f $(KERNEL_BUILD_DIR)/symtab.h
+	touch $(KERNEL_BUILD_DIR)/symtab.h
+	+$(KERNEL_MAKE) 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)/symtab.h: $(KERNEL_BUILD_DIR)/symtab.txt
+		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)/symtab.txt | \
-			awk '{print "*(__ksymtab." $$$$1 ") \\" }'; \
+		cat $(KERNEL_BUILD_DIR)/sym_include.txt | \
+			awk '{print "KEEP(*(___ksymtab+" $$$$1 ")) \\" }'; \
 		echo; \
 		echo '#define SYMTAB_KEEP_GPL \'; \
-		cat $(KERNEL_BUILD_DIR)/symtab.txt | \
-			awk '{print "*(__ksymtab_gpl." $$$$1 ") \\" }'; \
+		cat $(KERNEL_BUILD_DIR)/sym_include.txt | \
+			awk '{print "KEEP(*(___ksymtab_gpl+" $$$$1 ")) \\" }'; \
+		echo; \
+		echo '#define SYMTAB_DISCARD \'; \
+		cat $(KERNEL_BUILD_DIR)/sym_exclude.txt | \
+			awk '{print "*(___ksymtab+" $$$$1 ") \\" }'; \
 		echo; \
-		echo '#define SYMTAB_KEEP_STR \'; \
-		cat $(KERNEL_BUILD_DIR)/symtab.txt | \
-			awk '{print "*(__ksymtab_strings." $$$$1 ") \\" }'; \
+		echo '#define SYMTAB_DISCARD_GPL \'; \
+		cat $(KERNEL_BUILD_DIR)/sym_exclude.txt | \
+			awk '{print "*(___ksymtab_gpl+" $$$$1 ") \\" }'; \
 		echo; \
 	) > $$@
 
-  $(STAMP_CONFIGURED): $(STAMP_PREPARED) $(LINUX_KCONFIG_LIST) $(TOPDIR)/.config
+  $(STAMP_CONFIGURED): $(STAMP_PREPARED) $(LINUX_KCONFIG_LIST) $(TOPDIR)/.config FORCE
 	$(Kernel/Configure)
 	touch $$@
 
@@ -108,15 +146,18 @@ define BuildKernel
   define BuildKernel
   endef
 
-  download: $(DL_DIR)/$(LINUX_SOURCE)
-  prepare: $(STAMP_CONFIGURED)
+  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) $$@
+	$(_SINGLE)$(KERNEL_MAKE) \
+		$(if $(findstring Darwin,$(HOST_OS)),HOST_LOADLIBES="-L$(STAGING_DIR_HOST)/lib -lncurses") \
+		$$@
 	$(LINUX_RECONF_DIFF) $(LINUX_DIR)/.config > $(LINUX_RECONFIG_TARGET)
 
   install: $(LINUX_DIR)/.image