February 19, 2003 getUTCtime not working | ||||
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Hi, i wrote a program in D in win32 (commandline), and it works fine. then i decided i would try and compile it using the linux port of D from www.opend.org it works, but only if i comment out my usage of getUTCtime(). the error message is this: [root@lvs dli-0.1.2]# ./dli passGen.d passGen.o: In function `__endif_599': passGen.o(.text+0x30ff): undefined reference to `_D4date_10getUTCtime_FZl' collect2: ld returned 1 exit status what im using it for, is to further randomise the random seed when creating the random number generator. is there a way i can make getUTCtime() work in linux? or some other time function i can use that will work? or even some other method of getting a unique number for the rand_seed() func? thanks, Nick |
February 26, 2003 Re: getUTCtime not working | ||||
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Posted in reply to nick.fletcher |
nick.fletcher@dingoblue.com.au wrote:
> Hi,
> i wrote a program in D in win32 (commandline), and it works fine.
> then i decided i would try and compile it using the linux port of D from
> www.opend.org
> it works, but only if i comment out my usage of getUTCtime().
> the error message is this:
>
> [root@lvs dli-0.1.2]# ./dli passGen.d
> passGen.o: In function `__endif_599':
> passGen.o(.text+0x30ff): undefined reference to `_D4date_10getUTCtime_FZl'
> collect2: ld returned 1 exit status
>
> what im using it for, is to further randomise the random seed when creating the
> random number generator.
> is there a way i can make getUTCtime() work in linux? or some other time
> function i can use that will work? or even some other method of getting a unique
> number for the rand_seed() func?
There's the time function, which returns in seconds, and you can open and read from "/dev/random", which is nondeterministic because it samples from the computer state and external input.
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