I am attempting to get the sensors package to compile on alpha (kernel
2.4.21-pre7), and it does not do so cleanly. I am using the
lm-sensors-source package which is included in debian. It has a version
2.6.5 from 20020915. (If the bugs I mention below have been fixed in a
newer version then please disregard this mail)
First, the file kernel/busses/i2c-sis645.c must include the header
<linux/mm.h> in order to get the symbol GFP_ATOMIC.
Second, the Makefile should grab the necessary CFLAGS for modules from
the linux/arch/$(arch)/Makefile. This can be done with a little
makefile code like this:
LINUX_SOURCE := /usr/src/linux
ARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ -e s/arm.*/arm/ -e s/sa110/arm/)
include $(LINUX_SOURCE)/arch/$(ARCH)/Makefile
This will of course set CFLAGS so maybe save it and put it in MODCFLAGS
for your makefile. In particular on alpha the compile bombs with:
/tmp/ccEu5TN5.s: Assembler messages:
/tmp/ccEu5TN5.s:73: Error: macro requires $at register while noat in effect
unless the compiler flag -mcpu=ev67 is included. (or whatever CPU the
user has)
Cheers,
Bob McElrath [Univ. of Wisconsin at Madison, Department of Physics]
"You measure democracy by the freedom it gives its dissidents, not the
freedom it gives its assimilated conformists." -- Abbie Hoffman
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