Hello,
I resolved the issue below for compiling the GPIO kernel modules. In addition
to having the kernel headers and kernel-devel package installed on CentOs, the
actual kernel source needs to be installed as well.
Following the links for this wiki page, I brought in the kernel source RPM and
ran a compile without problem.
http://wiki.centos.org/HowTos/I_need_the_Kernel_Source
Brian
Making all in drv
make[1]: Entering directory `/usr/local/src/gpio-1.1.2/drv'
gcc -O -D__KERNEL__ -DMODULE -I/lib/modules/`uname -r`/build/include
-DKERNEL_2_4 -o gpio.o -c gpio.c
In file included from
/lib/modules/2.6.18-274.18.1.el5/build/include/asm/thread_info.h:16,
???????????????? from
/lib/modules/2.6.18-274.18.1.el5/build/include/linux/thread_info.h:21,
???????????????? from
/lib/modules/2.6.18-274.18.1.el5/build/include/linux/preempt.h:9,
???????????????? from
/lib/modules/2.6.18-274.18.1.el5/build/include/linux/spinlock.h:49,
???????????????? from
/lib/modules/2.6.18-274.18.1.el5/build/include/linux/capability.h:45,
???????????????? from
/lib/modules/2.6.18-274.18.1.el5/build/include/linux/sched.h:44,
???????????????? from
/lib/modules/2.6.18-274.18.1.el5/build/include/linux/module.h:9,
???????????????? from gpio.c:22:
/lib/modules/2.6.18-274.18.1.el5/build/include/asm/processor.h:87:
error: ?CONFIG_X86_L1_CACHE_SHIFT? undeclared here (not in a function)
/lib/modules/2.6.18-274.18.1.el5/build/include/asm/processor.h:87: error:
requested alignment is not a constant
In file included from
/lib/modules/2.6.18-274.18.1.el5/build/include/linux/sched.h:49,
???????????????? from
/lib/modules/2.6.18-274.18.1.el5/build/include/linux/module.h:9,
???????????????? from gpio.c:22:
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