Hello, just wanted to bump this topic. I think this is of general use: how to compile modules for your beagle against a specific kernel version without messing with the CFLAGS?
On Thursday, September 26, 2013 12:31:29 PM UTC+2, Leonardo Gabrielli wrote: > > Hello, > I've browsed the group looking for cross-compiling Ralink WIFI drivers for > the BeagleBoard xM or other Beagle platforms, but couldn't find a good > guide on this. > > I need to cross-compile the Ralink 5370 staging drivers > (DPO_RT5572_LinuxSTA_2.6.1.3_20121022) from a Ubuntu host on a BBxM with > custom Kernel (this: https://ccrma.stanford.edu/~eberdahl/Satellite/). > I've been given the kernel sources (it's 3.2.30-x4) and I already succeeded > in compiling a Realtek USB dongle kernel module (based on rtl8192cu). My > toolchain is based on code sourcery arm-none-linux-gnueabi > > However, differently from the Realtek one, the Ralink package has a ugly > makefile and thus: > 1- if I leave the CFLAGS to the default it will go for normal x86 compile > and the arm gcc toolchain won't recognize x86 related flags (of course) > 2- If I attempt to change the CFLAGS, I get the following error: > > make[1]: Entering directory > `/mnt/DATA/UNIVPM/TECHNICAL/beagleboard/SatelliteCCRMA/SatelliteCCRMA-Berdahl-Kernel-3.2.30-x14_img1.0.1' > scripts/Makefile.build:49: *** CFLAGS was changed in > "/mnt/DATA/UNIVPM/TECHNICAL/beagleboard/ZZRALINK2012/DPO_RT5572_LinuxSTA_2.6.1.3_20121022/os/linux/Makefile". > > Fix it to use ccflags-y. Stop. > > > I've gone through reading about ccflags-y on the kernel docs, but couldn't > figure out how to apply this here, and on the other side, I can just guess > what gcc flags are good to compile this driver on the beagle (e.g. > march=armv7-a) but I'm not expert enough to guess them all right. It will > take months to guess them ok. > > Some insight on this or past experience would be helpful. > Thanks, L > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
