On Wed, 2 May 2007, Shinose wrote: > On 5/2/07, Ramagudi Naziir <naziirr@xxxxxxxxx> wrote: > > > > Hello,, > > > > I read in Karim Yaghmour's book that to cross compile the kernel and > > other packages I need these two arguments. > > > > But when I see other kernel cross compiling guide they only say to > > use the ARCH=arm. > > > > so.. do I need both of them ? or just the ARCH one ? > > > You need to provide the ARCH and CROSS_COMPILE variables in order to compile > for your desired cross platform. If you miss either of the argument then the > Makefile defaults to what ever given inside it as defaults. > > For .e.g if your processor is ARM and you have the tool chain starting with > arm-linux- like arm-linux-gcc, arm-linux-ld etc then you need to provide > like > > $make zImage ARCH=arm CROSS_COMPILE=arm-linux- > > for arm-elf-gcc you need to give > > $make zImage ARCH=arm CROSS_COMPILE=arm-elf- don't forget that, if you use just that prefix, your entire toolchain better be found somewhere in your search PATH. if it's not, then you can always use: $ make ARCH=arm CROSS_COMPILE=/home/fred/tools/...blah.../arm-elf- zImage or whatever's appropriate. it's just easier to have it in your search path, though. rday -- ======================================================================== Robert P. J. Day Linux Consulting, Training and Annoying Kernel Pedantry Waterloo, Ontario, CANADA http://fsdev.net/wiki/index.php?title=Main_Page ======================================================================== -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ