build error with CCACHE

[anipan...@gmail.com]

Hello!

when building CM10.2 without CCACHE, everything is OK.

but with USE_CCACHE=1, there is following error:

GEN /CM10_2/out/target/product/pyramid/obj/KERNEL_OBJ/Makefile

CHK include/linux/version.h
CHK include/generated/utsrelease.h
Using /CM10_2/kernel/htc/msm8660 as source for kernel
/bin/sh: 1: Syntax error: "(" unexpected
make[4]: *** [scripts/mod/empty.o] Error 2
make[3]: *** [scripts/mod] Error 2
make[2]: *** [scripts] Error 2
make[1]: *** [sub-make] Error 2
make[1]: Leaving directory `/CM10_2/kernel/htc/msm8660'
make: *** [TARGET_KERNEL_BINARIES] Error 2
make: *** Waiting for unfinished jobs....

[anipan...@gmail.com]

I found out this:

there is empty.c file and makefile with lines:

hostprogs-y := modpost mk_elfconfig
always := $(hostprogs-y) empty.o

modpost-objs := modpost.o file2alias.o sumversion.o

# dependencies on generated files need to be listed explicitly

$(obj)/modpost.o $(obj)/file2alias.o $(obj)/sumversion.o: $(obj)/elfconfig.h

quiet_cmd_elfconfig = MKELF $@
cmd_elfconfig = $(obj)/mk_elfconfig < $< > $@

$(obj)/elfconfig.h: $(obj)/empty.o $(obj)/mk_elfconfig FORCE
$(call if_changed,elfconfig)

targets += elfconfig.h

like it want forcible create empty file(?)

[Ani Panchvidze]

PROBLEM SOLVED.

Because I made ccache directory inside CM, I wrote relative path for cache directory;

thus when compiler changed to Kernel directory, it failed to find ccache

When I wrote full path, error gone.

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[Kunal Goel]

Can you please explain how exactly you fixed it....im facing similar issue