(from cvs) sensors binary compile probs on rh8

Philip Edelbrock phil at netroedge.com
Fri Dec 13 19:58:49 CET 2002


[phil at drtheopolis phil]$ sensors -v
sensors version 2.7.0

[phil at drtheopolis phil]$ sensors
Segmentation fault (core dumped)

[phil at drtheopolis phil]$ gdb sensors
GNU gdb Red Hat Linux (5.2.1-4)
Copyright 2002 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain 
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i386-redhat-linux"...
(gdb) run
Starting program: /usr/local/bin/sensors

Program received signal SIGSEGV, Segmentation fault.
0x4207931a in strcmp () from /lib/i686/libc.so.6
(gdb) bt
#0  0x4207931a in strcmp () from /lib/i686/libc.so.6
#1  0x40028bd9 in sensors_match_chip () from /usr/lib/libsensors.so.1
#2  0x08049171 in do_the_real_work ()
#3  0x08049073 in main ()
#4  0x420158d4 in __libc_start_main () from /lib/i686/libc.so.6

It's possible that it's just my strange computer.  This isn't a RH8 
install from scratch, but an upgrade.  There could be a legacy lib or 
something causing trouble which may not appear on another Athlon running 
RH8.... has anybody else tried on an Athlon?


Mark Studebaker wrote:

> Phil, what processor are you compiling for? Or what's wrong with 
> <math.h>?
> It works for me, but gcc is generating floating point assembler 
> instructions
> and so it doesn't need -lm.
> If we do add a -lm it should be added to lib/Module.mk for the library,
> not in prog/sensors/Module.mk for sensors.
> Jean Delvare wrote:
>>> FYI-
>>> gcc -o prog/sensors/sensors prog/sensors/main.ro prog/sensors/chips.ro
>>> -Llib -lsensors
>>> lib/libsensors.so: undefined reference to `log'
>>> lib/libsensors.so: undefined reference to `exp'
>>> collect2: ld returned 1 exit stat
>> Looks like we need an extra "-lm" on the command line.

More information about the lm-sensors mailing list