Dear Ralf
I'm using GNU Pth library version 1.4.0 on HP UX10.20 with gcc 2.95.1.
I am unable to compile my code using Pth because the Pth library uses
FALSE in a '#if ...' expression in pth.h and FALSE is not defined in a
way that cpp can handle.
Here's the relevant portion of pth.h (configured and compiled on HPUX10.20):
Starting at Line 367 -->
/* extension support */
#define PTH_EXT_SFIO FALSE
/* Sfio extension support */
#if FALSE
#include <sfio.h>
#else
typedef void *Sfdisc_t;
#endif
<-- end of quote
In our environment, FALSE is defined as follows:
typedef unsigned char BOOL;
#define FALSE (BOOL)0
This results in a parse error of the C pre-processor at the statement
'#if FALSE', which expands to '#if (BOOL)0' ...
It would pobably be better if Pth would not rely on a sane external
definition of TRUE and FALSE, and it IMHO is definitely not a good idea
to use them in pre-processor conditional expressions.
Thanks for taking the time to read this, and please let me know what you
think about this (or what additional info you need).
PS: sorry, habe erst jetzt gesehen, dass Du Deutsch sprichst :-)
mit freundlichen Gruessen
Patrik Staehli
Student Informatik, ETH Zuerich
zur Zeit im Praktikum bei der Siemens Schweiz AG
http://www.pstaehli.ch
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