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* what do I have??
@ 1994-05-11 08:16 J.Plewe <joerg.plewe@mpi-dortmund.mpg.de>
0 siblings, 1 reply; 2+ messages in thread
From: J.Plewe @ 1994-05-11 08:16 UTC (permalink / raw)
To: legacy
Hello!
I have installed PG4.0.1 from a Linux-CD (DLD 1.1.1c) in binary form.
I had some problems 'load'ing object files. After some investigation,
it turned out that the symbol _atof is missing. Instead I found
a symbol _atof1 in the PG executable.
I changed the source of circle.c to use atof1() instead of atof()
and suddenly it worked.
So now my question: what do I have installed? A mutant?
Is this a known bug? Or a feature?
- Joerg Plewe
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^ permalink raw reply [nested|flat] 2+ messages in thread
* Re: what do I have??
@ 1994-05-12 08:24 Kai Petzke <wpp@marie.physik.tu-berlin.de>
parent: J.Plewe <joerg.plewe@mpi-dortmund.mpg.de>
0 siblings, 0 replies; 2+ messages in thread
From: Kai Petzke @ 1994-05-12 08:24 UTC (permalink / raw)
To: J.Plewe <joerg.plewe@mpi-dortmund.mpg.de>; +Cc: legacy
>
> Hello!
>
> I have installed PG4.0.1 from a Linux-CD (DLD 1.1.1c) in binary form.
I don't have that CD. Unlike Yggdrasil, they have not given me a
free copy of it. I have not seen any other bug report about the
Posgres as it is on the DLD CD, though.
> I changed the source of circle.c to use atof1() instead of atof()
> and suddenly it worked.
>
> So now my question: what do I have installed? A mutant?
> Is this a known bug? Or a feature?
I do not know exactly, what is going on. My guess is, that the
reason for the problem is caused by the handling of atof():
- Older versions of the linux C library had atof() unconditionally
defined as a macro, that calls strtod() instead.
- Newer versions only define that macro, if optimization is
turned on.
- No macro is defined, if you do not include the <stdlib.h>
header file.
An atof() function should be defined in the C library, though.
The dynamical loader should link in that one, if it is needed.
Maybe, they have put outdated library stubs on your CD. Try
compiling (without optimiser!) and linking a simple function,
which uses atof. If that fails, too, their CD is the problem,
not postgres.
To get circle.c compiled correctly:
- Make sure, it includes <stdlib.h>
- Compile it using the -O or -O2 optimiser flag.
Kai
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1994-05-11 08:16 what do I have?? J.Plewe <joerg.plewe@mpi-dortmund.mpg.de>
1994-05-12 08:24 ` Kai Petzke <wpp@marie.physik.tu-berlin.de>
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