Hi Sergio, On Friday 30 July 2010 16:47:22 Aguirre, Sergio wrote: > > > On Friday 30 July 2010 9:24 AM Laurent Pinchart wrote: > > On Friday 30 July 2010 16:10:08 Aguirre, Sergio wrote: > > > On Friday 30 July 2010 8:45 AM Laurent Pinchart wrote: > > > > On Wednesday 14 July 2010 18:17:25 Sergio Aguirre wrote: > > > > > We shouldn't require full kernel source for this. > > > > > > > > That's right in theory, but I then get > > > > > > > > $ make KDIR=/home/laurent/src/arm/kernel/ > > > > arm-none-linux-gnueabi-gcc -O2 -Wall -fpic -I. - > > > > I/home/laurent/src/arm/kernel//include -c -o media.o media.c > > > > In file included from /opt/cs/arm-2009q1/bin/../arm-none-linux- > > > > gnueabi/libc/usr/include/asm/types.h:4, > > > > from > > > > /home/laurent/src/arm/kernel//include/linux/types.h:4, > > > > from > > > > /home/laurent/src/arm/kernel//include/linux/videodev2.h:66, > > > > from media.c:31: > > > > /home/laurent/src/arm/kernel//include/asm-generic/int-ll64.h:11:29: > > > > error: asm/bitsperlong.h: No such file or directory > > > > make: *** [media.o] Error 1 > > > > > > > > when building against a kernel tree. > > > > > > KDIR doesn't exist anymore. > > > > > > By the result of your log, I don't see how that value got passed into > > > the makefile... Are you sure you applied the patch correctly? > > > > I haven't, I've just removed the arch include dir from KDIR in the > > Makefile. The end result is the same. > > Hmm.. > > I think this is expected, since the kernel headers folder generated with > > make ARCH=arm INSTALL_HDR_PATH=<your-fs-root> headers_install > > Is not the same as just reading the kernel source include folder. > > Some #ifdef get resolved depending on the arch, and the headers are > "rebuilt". See : Documentation/make/headers_install.txt > > So, I guess it's not as simple as just removing the arch include folder. Ideally the application should be built against installed kernel headers, bug given the early stage of development of the media controller, I expect most people to build it against a kernel tree. I would like to keep the Makefile as-is for now, and change it when the media controller patches will reach the mainline kernel. -- Regards, Laurent Pinchart -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
