X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Fkernel-build.mk;h=0ba6db806d7c95578cb299871f5cfc4450905f8b;hb=22ef1c83b35cd5633b0c58c9c38a43494a906a6a;hp=2ae80e54e2ef51ef64df12b0fa6d9a1b626c493b;hpb=24b31c9428706b76be4bdffcc586d7a19fdc4207;p=librecmc%2Flibrecmc.git

diff --git a/include/kernel-build.mk b/include/kernel-build.mk
index 2ae80e54e2..0ba6db806d 100644
--- a/include/kernel-build.mk
+++ b/include/kernel-build.mk
@@ -6,13 +6,14 @@
 #
 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_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
@@ -32,6 +33,7 @@ endef
 
 define Kernel/CompileImage
 	$(call Kernel/CompileImage/Default)
+	$(call Kernel/CompileImage/Initramfs)
 endef
 
 define Kernel/Clean
@@ -53,14 +55,28 @@ 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)
+      $(call rdep,${CURDIR} $(PKG_FILE_DEPENDS),$(STAMP_PREPARED),$(PKG_BUILD_DIR)/.dep_files,-x "*/.dep_*")
+    endef
+  endif
+endif
+
 define BuildKernel
   $(if $(QUILT),$(Build/Quilt))
   $(if $(LINUX_SITE),$(call Download,kernel))
 
+  .NOTPARALLEL:
+
+  $(Kernel/Autoclean)
   $(STAMP_PREPARED): $(if $(LINUX_SITE),$(DL_DIR)/$(LINUX_SOURCE))
 	-rm -rf $(KERNEL_BUILD_DIR)
 	-mkdir -p $(KERNEL_BUILD_DIR)
@@ -75,37 +91,29 @@ define BuildKernel
 		xargs $(TARGET_CROSS)nm | \
 		awk '$$$$1 == "U" { print $$$$2 } ' | \
 		sort -u > $(KERNEL_BUILD_DIR)/mod_symtab.txt
-	$(TARGET_CROSS)nm -n $(LINUX_DIR)/vmlinux.o | grep ' r __ksymtab' | sed -e 's,........ r __ksymtab_,,' > $(KERNEL_BUILD_DIR)/kernel_symtab.txt
-	grep -f $(KERNEL_BUILD_DIR)/mod_symtab.txt $(KERNEL_BUILD_DIR)/kernel_symtab.txt > $(KERNEL_BUILD_DIR)/sym_include.txt
-	grep -vf $(KERNEL_BUILD_DIR)/mod_symtab.txt $(KERNEL_BUILD_DIR)/kernel_symtab.txt > $(KERNEL_BUILD_DIR)/sym_exclude.txt
+	$(TARGET_CROSS)nm -n $(LINUX_DIR)/vmlinux.o | grep ' [rR] __ksymtab' | sed -e 's,........ [rR] __ksymtab_,,' > $(KERNEL_BUILD_DIR)/kernel_symtab.txt
+	grep -Ff $(KERNEL_BUILD_DIR)/mod_symtab.txt $(KERNEL_BUILD_DIR)/kernel_symtab.txt > $(KERNEL_BUILD_DIR)/sym_include.txt
+	grep -Fvf $(KERNEL_BUILD_DIR)/mod_symtab.txt $(KERNEL_BUILD_DIR)/kernel_symtab.txt > $(KERNEL_BUILD_DIR)/sym_exclude.txt
 	( \
 		echo '#define SYMTAB_KEEP \'; \
 		cat $(KERNEL_BUILD_DIR)/sym_include.txt | \
-			awk '{print "*(__ksymtab." $$$$1 ") \\" }'; \
+			awk '{print "KEEP(*(___ksymtab+" $$$$1 ")) \\" }'; \
 		echo; \
 		echo '#define SYMTAB_KEEP_GPL \'; \
 		cat $(KERNEL_BUILD_DIR)/sym_include.txt | \
-			awk '{print "*(__ksymtab_gpl." $$$$1 ") \\" }'; \
-		echo; \
-		echo '#define SYMTAB_KEEP_STR \'; \
-		cat $(KERNEL_BUILD_DIR)/sym_include.txt | \
-			awk '{print "*(__ksymtab_strings." $$$$1 ") \\" }'; \
+			awk '{print "KEEP(*(___ksymtab_gpl+" $$$$1 ")) \\" }'; \
 		echo; \
 		echo '#define SYMTAB_DISCARD \'; \
 		cat $(KERNEL_BUILD_DIR)/sym_exclude.txt | \
-			awk '{print "*(__ksymtab." $$$$1 ") \\" }'; \
+			awk '{print "*(___ksymtab+" $$$$1 ") \\" }'; \
 		echo; \
 		echo '#define SYMTAB_DISCARD_GPL \'; \
 		cat $(KERNEL_BUILD_DIR)/sym_exclude.txt | \
-			awk '{print "*(__ksymtab_gpl." $$$$1 ") \\" }'; \
-		echo; \
-		echo '#define SYMTAB_DISCARD_STR \'; \
-		cat $(KERNEL_BUILD_DIR)/sym_exclude.txt | \
-			awk '{print "*(__ksymtab_strings." $$$$1 ") \\" }'; \
+			awk '{print "*(___ksymtab_gpl+" $$$$1 ") \\" }'; \
 		echo; \
 	) > $$@
 
-  $(STAMP_CONFIGURED): $(STAMP_PREPARED) $(LINUX_KCONFIG_LIST) $(TOPDIR)/.config
+  $(STAMP_CONFIGURED): $(STAMP_PREPARED) $(LINUX_KCONFIG_LIST) $(TOPDIR)/.config FORCE
 	$(Kernel/Configure)
 	touch $$@
 
@@ -124,12 +132,13 @@ define BuildKernel
   define BuildKernel
   endef
 
-  download: $(DL_DIR)/$(LINUX_SOURCE)
+  download: $(if $(LINUX_SITE),$(DL_DIR)/$(LINUX_SOURCE))
   prepare: $(STAMP_CONFIGURED)
   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) $$@