srand48 in B20.

Fri Feb 18 04:51:00 GMT 2000

I ran into this problem when compiling the GRASS5
source code. Here was my solution
#ifdef __CYGWIN__
#define lrand48() rand()/32767.0
#define srand48(sv) (srand((unsigned)(sv)))
#else
extern long lrand48();
extern void srand48();
#endif
John Huddleston
----- Original Message -----
From: Ian Miller <ian@gingerspice.demon.co.uk>
To: Cygwin Mailing List <cygwin@sourceware.cygnus.com>
Sent: Thursday, February 17, 2000 8:46 PM
Subject: srand48 in B20.
>> Hi, I'm having a problem with the first (!) program I've tried to compile
> under cygwin - I'm hoping it's something simple that you'll all be able to
> spot right away from this linker output?
>> I've had a hunt around in the include headers, and I can't seem to find
one
> that actually has srand48 or lrand48 in it... it should be in <stdlib.h>
> shouldn't it?
>> --- begin linker errors ---
>> gcc -o 1BC error.o input_output.o gestion.o eval.o search.o write.o
bayes.o 1BC.
> o -lm
> eval.o(.text+0x23):eval.c: undefined reference to `lrand48'
> search.o(.text+0x42a8):search.c: undefined reference to `srand48'
> collect2: ld returned 1 exit status
> make: *** [1BC] Error 1
>> --- end linker errors ---
>> cheers,
> ian
>> --
>+------------------------------+--------------------------------------------
--+
> | ian miller | My other MUA is a GNU.
|> | ian@gingerspice.demon.co.uk | http://www.gingerspice.demon.co.uk
|>+------------------------------+--------------------------------------------
--+
>> --
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