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| author | Felix Fietkau <nbd@openwrt.org> | 2016-01-06 18:38:49 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2016-01-06 18:38:49 +0000 |
| commit | eb5b5acffb4870d0cb25536e1a44bd9143732992 (patch) | |
| tree | 51c8c44ac45c380429461ae9bf0b6c2044b0e18d /include/kernel-defaults.mk | |
| parent | 39d7ab10b45f0b8d1f6e20f6e38991455517b63e (diff) | |
| download | master-187ad058-eb5b5acffb4870d0cb25536e1a44bd9143732992.tar.gz master-187ad058-eb5b5acffb4870d0cb25536e1a44bd9143732992.tar.bz2 master-187ad058-eb5b5acffb4870d0cb25536e1a44bd9143732992.zip | |
build: skip rebuild of kernel images if the source did not change
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@48145 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'include/kernel-defaults.mk')
| -rw-r--r-- | include/kernel-defaults.mk | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/include/kernel-defaults.mk b/include/kernel-defaults.mk index f3b5e421d1..052b2b3a7b 100644 --- a/include/kernel-defaults.mk +++ b/include/kernel-defaults.mk @@ -138,13 +138,15 @@ IMAGES_DIR:=../../x86/boot 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 |