On 9.9.2011 03:22, Arnaud Lacombe wrote: > Hi, > > On Thu, Sep 8, 2011 at 4:33 PM, Nicolas Pitre <nico@xxxxxxxxxxx> wrote: >> On Thu, 8 Sep 2011, Arnaud Lacombe wrote: >> >>> you missed: >>> >>> # Make sure files are removed during clean >>> -extra-y += piggy.gzip piggy.lzo piggy.lzma lib1funcs.S >>> +extra-y += piggy.gzip piggy.lzo piggy.lzma >>> >>> This confused make. >> >> Well... that was suttle. >> > he, welcome to make(1) world :) > >> So yes, your patch may certainly be useful to a couple cases, and it >> works fine for this lib1func.S. >> >> It doesn't help me much in the following situation though. What I >> actually want to achieve is to compile arch/arm/boot/compressed/fdt_rw.o >> from scripts/dtc/libfdt/fdt_rw.c, however I want it to include my local >> version of libfdt_env.h rather than scripts/dtc/libfdt/libfdt_env.h. I >> still haven't found a way to convince gcc to do that. >> > The only choice you have in gcc, is to use -I-, to construct: > > $(CROSS_COMPILE)gcc -I$(srctree)/arch/arm/boot/compressed -I- [...] > > however, it's been marked as deprecated, but still usable as of today > snapshot of 4.7.0. Its replacement, -iquote, do not provide this > functionnality, that is to override the source file origin directory > as search directory for #include "...". Or you modify libfdt to support -DLIBFDT_ENV=libfdt_arm.h or similar. Michal -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html