RE: Comedilib build problem with flex

If you don't need Ruby, you can disable the ruby bindings when
running ./configure. 


Lennart.

On Fri, 2007-06-15 at 12:52 +0100, Aref Taidi wrote:
> On 14/06/2007 00:23, Aref Taidi wrote:
> > Hello all,
> > 
> > I am getting the following error when I try to build comedilib on my
> FC5
> > machine?
> > 
> > My flex is version 2.5.4. I just updated it using flex.i386
> > 0:2.5.4a-41.fc5 package. I would be most grateful if you could tell me
> > what the solution is please?
> > 
> > [root_at_localhost comedilib]# make
> > make  all-recursive
> > make[1]: Entering directory `/usr/local/src/comedilib'
> > Making all in lib
> > make[2]: Entering directory `/usr/local/src/comedilib/lib'
> > flex --header-file=./calib_lex.h -Pcalib_yy -o./calib_lex.c
> calib_lex.l
> > flex: unknown flag '-'.  For usage, try
> >         flex --help
> > make[2]: *** [calib_lex.c] Error 1
> > make[2]: Leaving directory `/usr/local/src/comedilib/lib'
> > make[1]: *** [all-recursive] Error 1
> > make[1]: Leaving directory `/usr/local/src/comedilib'
> > make: *** [all] Error 2
> > 
> > 
> > Many thanks in advance.
> 
> >> Fedora and RHEL ship with an ancient version of flex for some strange
> 
> >> reason (fixed in Fedora 7).  It's not a problem for the released 
> >> versions of comedilib as they ship with pre-yacc'ed and pre-lex'ed C 
> >> sources, but it is a problem with the CVS snapshots.
> >> 
> >> If you can generate calib_lex.c and calib_lex.h from calib_lex.l on a
> 
> >> machine with a more modern version of flex, you can just copy those
> to 
> >> your comedilib sources on your FC5  machine.  They only need to be 
> >> rebuilt when calib_lex.l is updated.
> >> 
> >> Alternatively, try installing a more modern version of flex locally
> on 
> >> your FC5 machine.
> 
> I just downloaded the released versions of these packages which avoided
> the flex incompatibility problem but the build is now failing with a
> huge number of errors in comedi_ruby_wrap.c - I have pasted some of them
> below - any idea please?
> 
> comedi_ruby_wrap.c:3701: error: dereferencing pointer to incomplete type
> comedi_ruby_wrap.c: In function
> '_wrap_comedi_bufinfo_struct_bytes_written_set':
> comedi_ruby_wrap.c:3717: error: dereferencing pointer to incomplete type
> comedi_ruby_wrap.c: In function
> '_wrap_comedi_bufinfo_struct_bytes_written_get':
> comedi_ruby_wrap.c:3732: error: dereferencing pointer to incomplete type
> comedi_ruby_wrap.c: In function
> '_wrap_comedi_bufinfo_struct_unused_set':
> comedi_ruby_wrap.c:3750: error: dereferencing pointer to incomplete type
> comedi_ruby_wrap.c: In function
> '_wrap_comedi_bufinfo_struct_unused_get':
> comedi_ruby_wrap.c:3766: error: dereferencing pointer to incomplete type
> comedi_ruby_wrap.c: In function '_wrap_new_comedi_bufinfo_struct':
> comedi_ruby_wrap.c:3796: error: invalid application of 'sizeof' to
> incomplete type 'struct comedi_bufinfo_struct' 
> comedi_ruby_wrap.c: At top level:
> comedi_ruby_wrap.c:3803: warning: 'struct comedi_bufinfo_struct'
> declared inside parameter list
> comedi_ruby_wrap.c:3803: error: conflicting types for
> 'free_comedi_bufinfo_struc
> t'
> comedi_ruby_wrap.c:738: error: previous declaration of
> 'free_comedi_bufinfo_struct' was here
> comedi_ruby_wrap.c: In function '_wrap_comedi_range_min_set':
> comedi_ruby_wrap.c:3808: error: 'comedi_range' undeclared (first use in
> this function)
> comedi_ruby_wrap.c:3808: error: 'arg1' undeclared (first use in this
> function)
> comedi_ruby_wrap.c:3808: error: expected expression before ')' token
> comedi_ruby_wrap.c: In function '_wrap_comedi_range_min_get':
> comedi_ruby_wrap.c:3823: error: 'comedi_range' undeclared (first use in
> this function)
> 
> 
> _______________________________________________
> comedi mailing list
> comedi_at_comedi.org
> https://cvs.comedi.org/cgi-bin/mailman/listinfo/comedi
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L.C. Karssen
Department of Physics and Astronomy
Faculty of Science
Utrecht University
Princetonplein 1
3584 CC  Utrecht
The Netherlands

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Received on 2007-06-15Z11:32:07