Re: [PATCH v3 2/4] Add support for LZO-compressed kernels for ARM

Sebastian Andrzej Siewior
2009-11-13T14:29:32Z

* Martin Michlmayr | 2009-11-12 12:59:38 [+0000]:

>* Albin Tonnerre <albin.tonnerre@free-electrons.com> [2009-11-11 13:27]:
>> This is the second part of patch. This part includes:
>> - changes to ach/arch/boot/Makefile to make it easier to add new
>> compression types
>> +
>> +# For __aeabi_uidivmod
>> +lib1funcs = $(srctree)/arch/$(SRCARCH)/lib/lib1funcs.o
>
>I build my kernel in a different directory to where the sources are
>stored and I get:
>
>make[7]: *** No rule to make target `/home/tbm/kernel/linux-2.6-2.6.32~rc6/debian/build/source_armel_none/arch/arm/lib/lib1funcs.o', needed by `arch/arm/boot/compressed/vmlinux'. Stop.
>
>The following patch makes it compile for me:
>
>--- a/arm/boot/compressed/Makefile 2009-11-12 12:26:47.000000000 +0000
>+++ b/arm/boot/compressed/Makefile 2009-11-12 12:26:58.000000000 +0000
>@@ -101,7 +101,7 @@
> LDFLAGS_vmlinux += -T
>
> # For __aeabi_uidivmod
>-lib1funcs = $(srctree)/arch/$(SRCARCH)/lib/lib1funcs.o
>+lib1funcs = arch/$(SRCARCH)/lib/lib1funcs.o

+lib1funcs = $(obj)/arch/$(SRCARCH)/lib/lib1funcs.o

This is untested but it should refer to obj because you break out of
tree builds (O=) if you don't :)

>
> # Don't allow any static data in misc.o, which
> # would otherwise mess up our GOT table
>
>--
>Martin Michlmayr
>http://www.cyrius.com/

Sebastian