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Re: compiling ap/libapl


From: Dr . Jürgen Sauermann
Subject: Re: compiling ap/libapl
Date: Sat, 19 Jun 2021 11:34:12 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0

Hi,

at a first glance:

You cannot simply skip init_libapl() because that will leave many
C++ variables undefined and because of that your program will crash
sooner or later.

Instead: make sure your program finds the APserver (a non-libapl build
and makle install) should install it in a proper place). strace is your
friend in figuring where libapl looks for the APserver.

Alternatively you can start the APserver manually and libapl should then
find it without knowing where the APserver binary is located

Best Regards,
Jürgen

On 6/18/21 10:49 PM, enztec@gmx.com wrote:
Hello

Here is my situation with regards to my compiling apl/libapl

i have a working 1182 apl/libapl which works perfectly - the 1182 libapl.so and libapl.a both compile the libapl_test.c code fine

i tried to compile 1474 apl/libapl and the apl compiled with no problem but segfaylts when i display a var of 30000 integers and when i use )copy on the same file a second time it won't copy because of some recursive warning (there is nothing recursive in the file)
the ]nextfile and ]pushfile both work fine however

but compiling the 1474 libapl had problems but i was finally able to compile it. but the resulting libapl.so and libapl.a both give the floating point error with the following libapl_test.c code

i decided to backtrack and recompile the 1182 to get a floor on this situation

but now when i compile 1182 the apl seems okay but the libapl.so and libapl.a both give the floating point error from libapl_test.c

something changed from the original 1182 compile now and i would like to find/fix what is now wrong so the 1475 compile will be good

none of the libraries linked into libapl.so or used for the libapl.a have changed

---

libapl_test.c
// libapl_test.c   stl
#include <stdio.h>
#include <stdlib.h>
#include <apl/libapl.h>
//#include "/usr/local/include/apl/libapl.h"
int main (int argc, char * argv[])
{
// causes  Executable ./APs/APserver not found.
//init_libapl(argv[0], 0);
apl_exec("2 3⍴⍳6");
return 0;
}

----

f=libapl_test

here is good dynamic compile on old 1182 libapl.so
gcc $f.c -L /usr/local/lib/apl -lapl -o $f -O2
./$f

this is good static compile on old 1182 libapl.a
gcc $f.c -lpthread -lncurses -lxcb -ldl -lm -lc -lsqlite3 -lstdc++ /usr/local/lib/apl/libapl.a -o $f -O2
./$f

---

any help would be appreciated

thanks




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