hi all,
i am trying to build android R but getting the following error in the
kernel makefile
* kernel/exynos/AndroidKernel.mk:155: error: writing to readonly
directory:
"/data/home/sumkumar/work/workspace/R/out/../out/target/product/**/obj/KERNEL_OBJ/arch/arm64/boot/Image"*
this was handled in Android Q by using the flag
"BUILD_BROKEN_PHONY_TARGETS=true" but in R this is depreciated hence cannot
use the same.
after looking at following link given for phony rules changes from
google for android R
https://android.googlesource.com/platform/build/+/master/Changes.md#phony_targets
i have updated my Makefile as follows by removing the "../" in the
erronous path and past the previous error ,
* #KERNEL_OUT ?= $(if $(filter /%
~%,$(TARGET_OUT_INTERMEDIATES)),,$(realpath
$(OUT_DIR))/../)$(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ*
*KERNEL_OUT ?= $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ*
but now i am getting errors with phony-rebuild as mentioned below
*kernel/exynos/AndroidKernel.mk:139: error: real file
"out/target/product/**/obj/KERNEL_OBJ/.config" depends on PHONY target
"phony-rebuild"*
*14:21:04 ckati failed with: exit status 1*
i understood as phony targets are always dirty hence every file will be
rebuild which depends on that phony, but in my case this rebuilding is
required .
Attaching a snap of the file depicting the same
KERNEL_CONFIG := $(KERNEL_OUT)/.config
KERNEL_CONFIG := $(KERNEL_OUT)/.config
.PHONY: phony-rebuild
$(KERNEL_CONFIG): phony-rebuild
$(show) echo "make $(KERNEL_DEFCONFIG)"
$(MAKE_CONFIG_CMD)
$(info MAKE_CONFIG_CMD is $(MAKE_CONFIG_CMD))
Please let me know if there is any way to avoid using phony-rebuild and
replace it with an alternate mechanism.
Regards,
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