Re: [CM] s7, undefined reference errors

[James Hearon]

Hi,

snd configure...

./configure  --with-s7 --with-gsl --with-motif --with-gl --with-gmp --with-alsa 
CFLAGS=HAVE_COMPLEX_NUMBERS CFLAGS=HAVE_COMPLEX_TRIG 
CFLAGS="-I/usr/include/linux/param.h"


Oops, I guess I did compile with gimp.  I'm not sure why I did that.  Must have 
been something I was trying to see perhaps related to gl.  Thanks so much for 
pointing out that problem.


re: all my compile times are usually over a minute, but I've been using lots of 
lets set!, and patterns, so I figured that was it.  I'll recompile snd without 
gimp and see how that goes.


Regards,

Jim

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Re: [CM] s7, undefined reference errors

[bil]

By the way, have you measured any difference in performance
for non-bignumbers when using WITH_GMP?


The gmp version is always slower, sometimes a lot slower
(more than a factor of 10).  I was using gmp/mpfr for
some (for lack of a less pompous word) research and
didn't care about the speed.  In numerical contexts,
the multiprecision library calls completely dominate
(99% of the compute time), so I didn't try to optimize
the other 1%.  I plead lack of time and energy!
I've reached that point in life that if I try to
work harder, I instantly fall asleep.

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Re: [CM] s7, undefined reference errors

[Kjetil Matheussen]

By the way, have you measured any difference in performance
for non-bignumbers when using WITH_GMP?


On Mon, Sep 19, 2016 at 8:41 PM,  wrote:

> As Kjetil points out, you must have configured Snd
> with --with-gmp or somehow created mus-config.h
> with WITH_GMP set to 1.  That file does not come with
> s7 (on the theory that people will read the instructions).
> If you want to use gmp, you'll need -lgmp -lmpfr -lmpc.
> If not, just delete whatever is in mus-config.h and
> recompile s7, or run configure again (for Snd) without
> --with-gmp, make clean, make.
>
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Re: [CM] s7, undefined reference errors

[bil]

As Kjetil points out, you must have configured Snd
with --with-gmp or somehow created mus-config.h
with WITH_GMP set to 1.  That file does not come with
s7 (on the theory that people will read the instructions).
If you want to use gmp, you'll need -lgmp -lmpfr -lmpc.
If not, just delete whatever is in mus-config.h and
recompile s7, or run configure again (for Snd) without
--with-gmp, make clean, make.

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Re: [CM] s7, undefined reference errors

[Kjetil Matheussen]

On Mon, Sep 19, 2016 at 7:57 PM, James Hearon  wrote:

> Hi,
>
> I was trying to get back to looking at s7 as interpreter but I'm failing
> to compile for some reason.
>
>
> I have s7.o, s7.h, and snd is working ok.  But I'm getting undefined ref
> errors trying to compile below and a little stumped what might be going
> wrong?  Seems like it's not finding something it needs.
>
>
> //gcc -o repel_test repel_test.c s7.o  -Wl,-export-dynamic -lm -I. -ldl
> #include "/opt/snd-16/s7.h"
> int main (int argc, char **argv)
> {
> s7_scheme *sc;
> sc = s7_init();
> s7_load(sc, "/opt/snd-16/repl.scm");
> s7_eval_c_string(sc, "((*repl* 'run))");
> return(0);
> }
>
> -
>
> /opt/snd-16/s7.o: In function `sweep':
> s7.c:(.text+0x1b40): undefined reference to `__gmpz_clear'
>

Hi,

It seems like you compile s7 with "WITH_GMP" defined somehow.
Perhaps you have a mus-config.h file where WITH_GMP is defined?

I guess it compiles if you remove WITH_GMP from mus-config.h,
 or link in libgmp: -lgmp
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