If your headers are in /usr/include you don't need to set I2C_HEADERS. Are /usr/include/linux and /usr/include/asm symlinks into /usr/src/linux/include/[asm,linux] ? Rob Park wrote: > Hello, > > I'm having trouble compiling lm_sensors. I'm using kernel 2.4.20, > lm_sensors 2.7.0, and i2c 2.7.0. i2c support is disabled in my kernel, > and I'm doing compilation option #1. > > $ grep -i 'i2c' /usr/src/linux/.config > # I2C support > # CONFIG_I2C is not set > > First of all, /usr/src/linux *does* contain the build tree of the > currently running kernel. > > Secondly, i2c-2.7.0 installed just fine, as far as I can tell. I can > load the i2c modules, and /usr/include/linux/i2c.h contains this line: > > #define I2C_VERSION "2.7.0" > > I've changed the lm_sensors Makefile to reflect this. I2c version 2.6.1 > headers are located in /usr/src/linux/include/linux, so I've made sure > that the Makefile has 'I2C_HEADERS=/usr/include' in it. > > When I try to compile, I get this error: > > gcc -D__KERNEL__ -DMODULE -DEXPORT_SYMTAB -fomit-frame-pointer -I. -Ikernel/include -I/usr/include -I/usr/src/linux/include -O2 -c kernel/busses/i2c-ali1535.c -o kernel/busses/i2c-ali1535.o > cc1: warning: changing search order for system directory "/usr/local/include" > cc1: warning: as it is the same as non-system directory "/usr/include" > cc1: warning: changing search order for system directory "/usr/include" > cc1: warning: as it has already been specified as a non-system directory > In file included from /usr/include/linux/prefetch.h:13, > from /usr/include/linux/list.h:6, > from /usr/include/linux/module.h:12, > from kernel/busses/i2c-ali1535.c:57: > /usr/include/asm/processor.h:56: `CONFIG_X86_L1_CACHE_SHIFT' undeclared here (not in a function) > /usr/include/asm/processor.h:56: requested alignment is not a constant > make: *** [kernel/busses/i2c-ali1535.o] Error 1 > > The four cc1 warnings should just be because /usr/local is a symlink to > /usr on my system. As far as I know, that shouldn't affect anything > (plenty of other stuff compiles just fine, and has those warnings). > > If it matters, my CPU is an AMD Athlon XP 1700+, and my mainboard is an > Asus A7V8X. What's going wrong? How do I fix it? > > Thanks, I *really* appreciate your help with this --> I want to know my > CPU temperature! ;) >
