KumiSystems/openwrtv3
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

build: skip rebuild of kernel images if the source did not change

Browse source 
Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 48145
This commit is contained in:
Felix Fietkau 2016-01-06 18:38:49 +00:00
parent 947eac1803
commit 4ab26a52ef
2 changed files with 15 additions and 15 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
include/image.mk
View file

@ -357,7 +357,7 @@ endef
define Build/kernel-bin define Build/kernel-bin
rm -f $@ rm -f $@
cp $^ $@ cp $< $@
endef endef
define Build/patch-cmdline define Build/patch-cmdline
@ -444,6 +444,7 @@ define Device/Init
KERNEL_INITRAMFS_NAME = $$(KERNEL_NAME)-initramfs KERNEL_INITRAMFS_NAME = $$(KERNEL_NAME)-initramfs
KERNEL_INSTALL := KERNEL_INSTALL :=
KERNEL_NAME := vmlinux KERNEL_NAME := vmlinux
KERNEL_DEPENDS :=
KERNEL_SIZE := KERNEL_SIZE :=
FILESYSTEMS := $(TARGET_FILESYSTEMS) FILESYSTEMS := $(TARGET_FILESYSTEMS)
@ -468,11 +469,11 @@ define Device/Build/initramfs
$(call Device/Export,$(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE),$(1)) $(call Device/Export,$(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE),$(1))
$$(_TARGET): $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE) $$(_TARGET): $(BIN_DIR)/$$(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) $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE)
cp $$^ $$@ cp $$^ $$@
$(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_INITRAMFS_NAME) $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_INITRAMFS_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS)
@rm -f $$@ @rm -f $$@
$$(call concat_cmd,$$(KERNEL_INITRAMFS)) $$(call concat_cmd,$$(KERNEL_INITRAMFS))
endef endef
@ -495,7 +496,7 @@ endef
define Device/Build/kernel define Device/Build/kernel
_KERNEL_IMAGES += $(KDIR)/$$(KERNEL_NAME) _KERNEL_IMAGES += $(KDIR)/$$(KERNEL_NAME)
$(KDIR)/$$(KERNEL_NAME): image_prepare $(KDIR)/$$(KERNEL_NAME):: image_prepare
$$(_TARGET): $$(if $$(KERNEL_INSTALL),$(BIN_DIR)/$$(KERNEL_IMAGE)) $$(_TARGET): $$(if $$(KERNEL_INSTALL),$(BIN_DIR)/$$(KERNEL_IMAGE))
$(call Device/Export,$(KDIR)/$$(KERNEL_IMAGE),$(1)) $(call Device/Export,$(KDIR)/$$(KERNEL_IMAGE),$(1))
$(BIN_DIR)/$$(KERNEL_IMAGE): $(KDIR)/$$(KERNEL_IMAGE) $(BIN_DIR)/$$(KERNEL_IMAGE): $(KDIR)/$$(KERNEL_IMAGE)
@ -504,7 +505,7 @@ define Device/Build/kernel
ifdef CONFIG_IB ifdef CONFIG_IB
install: $(KDIR)/$$(KERNEL_IMAGE) install: $(KDIR)/$$(KERNEL_IMAGE)
endif endif
$(KDIR)/$$(KERNEL_IMAGE): $(KDIR)/$$(KERNEL_NAME) $(KDIR)/$$(KERNEL_IMAGE): $(KDIR)/$$(KERNEL_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS)
@rm -f $$@ @rm -f $$@
$$(call concat_cmd,$$(KERNEL)) $$(call concat_cmd,$$(KERNEL))
$$(if $$(KERNEL_SIZE),$$(call Device/Build/check_size,$$(KERNEL_SIZE))) $$(if $$(KERNEL_SIZE),$$(call Device/Build/check_size,$$(KERNEL_SIZE)))
@ -581,9 +582,6 @@ define BuildImage
$(foreach device,$(TARGET_DEVICES),$(call Device,$(device))) $(foreach device,$(TARGET_DEVICES),$(call Device,$(device)))
$(foreach fs,$(TARGET_FILESYSTEMS) $(fs-subtypes-y),$(call BuildImage/mkfs,$(fs))) $(foreach fs,$(TARGET_FILESYSTEMS) $(fs-subtypes-y),$(call BuildImage/mkfs,$(fs)))
$$(sort $$(_KERNEL_IMAGES)):
@touch $$@
install: kernel_prepare install: kernel_prepare
$(foreach fs,$(TARGET_FILESYSTEMS), $(foreach fs,$(TARGET_FILESYSTEMS),
$(call Image/Build,$(fs)) $(call Image/Build,$(fs))

16
include/kernel-defaults.mk
View file

@ -138,13 +138,15 @@ IMAGES_DIR:=../../x86/boot
endif endif
define Kernel/CopyImage define Kernel/CopyImage
$(KERNEL_CROSS)objcopy -O binary $(OBJCOPY_STRIP) -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL)$(1) cmp -s $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux$(1).debug || { \
$(KERNEL_CROSS)objcopy $(OBJCOPY_STRIP) -S $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux$(1).elf $(KERNEL_CROSS)objcopy -O binary $(OBJCOPY_STRIP) -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL)$(1); \
$(CP) $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux.debug $(KERNEL_CROSS)objcopy $(OBJCOPY_STRIP) -S $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux$(1).elf; \
$(foreach k, \ $(CP) $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux$(1).debug; \
$(if $(KERNEL_IMAGES),$(KERNEL_IMAGES),$(filter-out dtbs,$(KERNELNAME))), \ $(foreach k, \
$(CP) $(LINUX_DIR)/arch/$(LINUX_KARCH)/boot/$(IMAGES_DIR)/$(k) $(KERNEL_BUILD_DIR)/$(k)$(1); \ $(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 endef
define Kernel/CompileImage/Default define Kernel/CompileImage/Default