R-beta: POSIX regular expressions not available [INSTALLATION!]

[Hubert Palme]

Martin Maechler: 
 > Half an answer:
 > 
 > If POSIX regular expression is used, depends on
 > 
 > #ifdef HAVE_REGCOMP	(in  src/main/character.c)
 > 
 > This is defined during installation when './configure' is run
 > (./configure writes this result into  src/include/Platform.h ).
 > 
 > In the many output lines of configure, you have probably seen
 > 
 > ----------------------- --
 > checking for regcomp... no
 > ----------------------- ##
 > where you'd rather would want to see "yes".
 > 
 > ------------------
 > A short (not so helpful) answer is
 > 	``Get a better C compiler + libraries''.
 > 
 > Do you have GNU's cc (gcc) 2.7.1 or newer?
 > [type "gcc -v"]

Hmm... This is not very satisfactory. 

Question to the authors: In,t one of the GNU libraries (regex, rx)
sufficient for the task?? So one having a "bad" cc can install this
library without having to install gcc...

-- 
======================================================================
Hubert Palme         Bergische Universitaet-Gesamthochschule Wuppertal
                                      Computing  Center
                                      D-42097 Wuppertal
Email: palme at uni-wuppertal.de             (Germany)
http://www.hrz.uni-wuppertal.de/hrz/personen/h_palme.html
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