From octave-maintainers-request at bevo dot che dot wisc dot edu  Fri Dec  8 18:24:42 2000
Subject: strptime? compiling CVS sources problem...
From: John Smith <john at arrows dot demon dot co dot uk>
To: octave-maintainers at bevo dot che dot wisc dot edu
Date: Sat, 9 Dec 2000 00:10:15 +0000 (GMT)

Hello,

Compiling a CVS octave collected today, I generate this error
message

  gcc -c  -I. -I../../octave/liboctave -I.. -I../liboctave -I../src
    -I../libcruft/misc -I../../octave -I../../octave/liboctave
    -I../../octave/src -I../../octave/libcruft/misc  -I../../octave/glob
    -I../glob -DHAVE_CONFIG_H -mieee-fp -g -O2 -Wall
    ../../octave/liboctave/strptime.c -o strptime.o
    ../../octave/liboctave/strptime.c: In function `strptime_internal':
    ../../octave/liboctave/strptime.c:576: warning: implicit declaration of
             function `localtime_r'
    ../../octave/liboctave/strptime.c:576: warning: comparison between pointer
             and integer
    ../../octave/liboctave/strptime.c: In function `strptime':
    ../../octave/liboctave/strptime.c:863: argument `buf' doesn't match
             prototype
    /usr/include/time.h:92: prototype declaration


Warning at 576:
The function localtime_r in /usr/include/time.h is protected by

     #if defined(_POSIX_THREAD_SAFE_FUNCTIONS) || defined(_REENTRANT)

     extern char* asctime_r     __P((__const struct tm *, char *));
     extern char* ctime_r       __P((__const time_t *, char *));
     extern struct tm* gmtime_r	__P((__const time_t *, struct tm *));
     extern struct tm* localtime_r __P((__const time_t *, struct tm *));

     #endif
and doesn't get declared. But config.h does set HAVE_LOCALTIME_R to 1.
I don't suppose it really matters...

Error at 863:
The strptime in /usr/include/time.h is declared

   extern char * strptime __P ((char * __s, __const char * __fmt,
			        struct tm * __tm));

whereas in liboctave/strptime.c it appears as

   char *
   strptime (buf, format, tm)
        const char *buf;
        const char *format;
        struct tm *tm;
 
which is enough different to trigger the error at line 863.

The config.h contains
   /* Define if you have the strptime function.  */
   #define HAVE_STRPTIME 1

Is this supposed to have any effect, in the sense of only declaring
strptime if it doesn't already exist?


I have a fairly ancient Linux system. Perhaps I should simply be told 
to upgrade it.

John Smith