Brynjar S. Larssen wrote: > On Sun, 2008-11-23 at 19:02 -0800, David N. Lombard wrote: >>> make >>> >>> make -C /lib/modules/2.6.27-7-generic/build >>> SUBDIRS=/home/bsl/pwc-v4l2-20081120-042701 modules >>> make[1]: Entering directory `/usr/src/linux-headers-2.6.27-7-generic' >>> CC [M] /home/bsl/pwc-v4l2-20081120-042701/pwc-if.o >>> In file included from /home/bsl/pwc-v4l2-20081120-042701/pwc-if.c:69: >>> /home/bsl/pwc-v4l2-20081120-042701/pwc.h:35:27: error: asm/semaphore.h: >>> No such file or directory >> asm/semaphore.h is the name of the file in the kernel build tree. Are >> you building this in the tree or outside? > > David, to be perfectly honest I do not know; this is my first ever > attempt at compiling a driver. > > I got this far following the "Kernel 2.6 + module" instructions in > http://www.saillard.org/linux/pwc/INSTALL.en (and as you can see I'm > using the pwc-v4l2-20081120-042701 snapshot.) > > I'm guessing the answer is "outside" though, judging by this line: > "make[1]: Entering directory `/usr/src/linux-headers-2.6.27-7-generic'" > > Looking in that path, and the directories > /usr/src/linux-headers-2.6.27-7-generic/include/asm/ > /usr/src/linux-headers-2.6.27-7-generic/include/linux/ > the former has no semaphore.h, but the latter does. > > Again guessing, the kernel build tree is in /lib/modules/, and the > situation is the same over there: > /lib/modules/2.6.27-7-generic/build/include/linux/ has semaphore.h, > /lib/modules/2.6.27-7-generic/build/include/asm/ does not have it. > > This assumes you have the sources for your kernel, which would have system-specific links for the asm directory to an architecture-specific asm file, e.g., asm->asm-x86
I don't use Ubuntu, so I don't know how to get those files for your Ubuntu-provided kernel. -- dnl _______________________________________________ pwc mailing list pwc@lists.saillard.org http://lists.saillard.org/mailman/listinfo/pwc
