Installation problems.

Mark M. Hoffman mhoffman at
Tue Dec 24 06:42:16 CET 2002

Hello Stan:

* Stanley Hutchinson <shandih at> [2002-12-24 15:26:16 +1000]:
> home/stan/Documents/lm-sensors_2.7.0/make  required install of 'bison' and 
> 'flex' and then pulled up with:-
> 	lib/ undefined reference to  sensors_yylex
> 	lib/ undefined reference to  sensors-yyin
> 	lib/ undefined reference to sensors-lex_error
> 	lib/ undefined reference to sensors-yylineno
> Collect2: ld returned 1 exit status
> Make: *** [prog/sensors/sensors ] Error 1

Flex and Bison are the GNU projects' "lex" and "yacc", respectively.  They
are standard tools used to build e.g. compilers.  These programs are avail-
able from your distribution CDs.  Install them and try again.

> Following from your FAQ,
> 	prog/detect/i2cdetect   and   prog/detect/sensors-detect  both return
> 		'No such file or directory"

You haven't built them yet because of missing tools.  See above.


Mark M. Hoffman
mhoffman at

More information about the lm-sensors mailing list