Author: nbd Date: 2016-01-06 19:38:49 +0100 (Wed, 06 Jan 2016) New Revision: 48145
Modified: trunk/include/image.mk trunk/include/kernel-defaults.mk Log: build: skip rebuild of kernel images if the source did not change Signed-off-by: Felix Fietkau <[email protected]> Modified: trunk/include/image.mk =================================================================== --- trunk/include/image.mk 2016-01-06 18:38:44 UTC (rev 48144) +++ trunk/include/image.mk 2016-01-06 18:38:49 UTC (rev 48145) @@ -357,7 +357,7 @@ define Build/kernel-bin rm -f $@ - cp $^ $@ + cp $< $@ endef define Build/patch-cmdline @@ -444,6 +444,7 @@ KERNEL_INITRAMFS_NAME = $$(KERNEL_NAME)-initramfs KERNEL_INSTALL := KERNEL_NAME := vmlinux + KERNEL_DEPENDS := KERNEL_SIZE := FILESYSTEMS := $(TARGET_FILESYSTEMS) @@ -468,11 +469,11 @@ $(call Device/Export,$(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE),$(1)) $$(_TARGET): $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE) - $(KDIR)/$$(KERNEL_INITRAMFS_NAME): image_prepare + $(KDIR)/$$(KERNEL_INITRAMFS_NAME):: image_prepare $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE) cp $$^ $$@ - $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_INITRAMFS_NAME) + $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_INITRAMFS_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS) @rm -f $$@ $$(call concat_cmd,$$(KERNEL_INITRAMFS)) endef @@ -495,7 +496,7 @@ define Device/Build/kernel _KERNEL_IMAGES += $(KDIR)/$$(KERNEL_NAME) - $(KDIR)/$$(KERNEL_NAME): image_prepare + $(KDIR)/$$(KERNEL_NAME):: image_prepare $$(_TARGET): $$(if $$(KERNEL_INSTALL),$(BIN_DIR)/$$(KERNEL_IMAGE)) $(call Device/Export,$(KDIR)/$$(KERNEL_IMAGE),$(1)) $(BIN_DIR)/$$(KERNEL_IMAGE): $(KDIR)/$$(KERNEL_IMAGE) @@ -504,7 +505,7 @@ ifdef CONFIG_IB install: $(KDIR)/$$(KERNEL_IMAGE) endif - $(KDIR)/$$(KERNEL_IMAGE): $(KDIR)/$$(KERNEL_NAME) + $(KDIR)/$$(KERNEL_IMAGE): $(KDIR)/$$(KERNEL_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS) @rm -f $$@ $$(call concat_cmd,$$(KERNEL)) $$(if $$(KERNEL_SIZE),$$(call Device/Build/check_size,$$(KERNEL_SIZE))) @@ -581,9 +582,6 @@ $(foreach device,$(TARGET_DEVICES),$(call Device,$(device))) $(foreach fs,$(TARGET_FILESYSTEMS) $(fs-subtypes-y),$(call BuildImage/mkfs,$(fs))) - $$(sort $$(_KERNEL_IMAGES)): - @touch $$@ - install: kernel_prepare $(foreach fs,$(TARGET_FILESYSTEMS), $(call Image/Build,$(fs)) Modified: trunk/include/kernel-defaults.mk =================================================================== --- trunk/include/kernel-defaults.mk 2016-01-06 18:38:44 UTC (rev 48144) +++ trunk/include/kernel-defaults.mk 2016-01-06 18:38:49 UTC (rev 48145) @@ -138,13 +138,15 @@ endif define Kernel/CopyImage - $(KERNEL_CROSS)objcopy -O binary $(OBJCOPY_STRIP) -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL)$(1) - $(KERNEL_CROSS)objcopy $(OBJCOPY_STRIP) -S $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux$(1).elf - $(CP) $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux.debug - $(foreach k, \ - $(if $(KERNEL_IMAGES),$(KERNEL_IMAGES),$(filter-out dtbs,$(KERNELNAME))), \ - $(CP) $(LINUX_DIR)/arch/$(LINUX_KARCH)/boot/$(IMAGES_DIR)/$(k) $(KERNEL_BUILD_DIR)/$(k)$(1); \ - ) + cmp -s $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux$(1).debug || { \ + $(KERNEL_CROSS)objcopy -O binary $(OBJCOPY_STRIP) -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL)$(1); \ + $(KERNEL_CROSS)objcopy $(OBJCOPY_STRIP) -S $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux$(1).elf; \ + $(CP) $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux$(1).debug; \ + $(foreach k, \ + $(if $(KERNEL_IMAGES),$(KERNEL_IMAGES),$(filter-out dtbs,$(KERNELNAME))), \ + $(CP) $(LINUX_DIR)/arch/$(LINUX_KARCH)/boot/$(IMAGES_DIR)/$(k) $(KERNEL_BUILD_DIR)/$(k)$(1); \ + ) \ + } endef define Kernel/CompileImage/Default _______________________________________________ openwrt-commits mailing list [email protected] https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-commits
