From help-octave-request at bevo dot che dot wisc dot edu  Fri Jan 22 03:46:59 1999
Subject: complie error SGI IRIX6.4: 3rd
From: "John W. Eaton" <jwe at bevo dot che dot wisc dot edu>
To: Daniel Heiserer <Daniel dot Heiserer at bmw dot de>
Cc: "help-octave at bevo dot che dot wisc dot edu" <help-octave@bevo.che.wisc.edu>
Date: Fri, 22 Jan 1999 03:47:20 -0600 (CST)

On 22-Jan-1999, Daniel Heiserer <Daniel dot Heiserer at bmw dot de> wrote:

| I am still trying to do what I did some time ago (v.11):
| compiling octave on IRIX6.4.
| I have the latest "patch" now. That works.
| The compiler runs and than he stops:
| 
| 
| c++ -c  -I. -I.. -I../liboctave -I../src -I../libcruft/misc  -I../glob
| -I../glob -DHAVE_CONFIG_H -fno-rtti -fno-exceptions
| -fno-implicit-templates -g -O2 -Wall lex.cc
| lex.l:69: #error lex.l requires flex version 2.5.4 or later
| 
| Why the hell do I need flex, if configure tells me:
| "configure: warning: I didn't find flex, but it's only a problem if you
| need to reconstruct lex.cc"
| ????
| Is it because of the patches (till '95)?

Yes.  The patches generally don't include files that can be recreated
from sources.

| I got flex now, but configure doesn't find it, why?
| What is configures path?
| flex is in the same directory as c++ (egcs).
| Do I have to make a distclean before rerunnign configure?

I'd guess that you need to remove config.cache (or just the line for
LEX).

jwe