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Re: An Issue With Execute Alternate Under OpenBSD, Library Suggestions,

From: Brian Callahan
Subject: Re: An Issue With Execute Alternate Under OpenBSD, Library Suggestions, and Debugging Help
Date: Sun, 23 Feb 2020 12:10:58 -0500
User-agent: Mozilla/5.0 (X11; OpenBSD amd64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0

OpenBSD 6.6 has GNU APL 1.7 (releases are made once every 6 months).
The latest package for -current (which will eventually become OpenBSD 6.7) has GNU APL 1.8

I do regularly test the SVN version as well. I was not able to reproduce the error on 1.8 or SVN.


On 2020-02-23 10:12 AM, Dr. Jürgen Sauermann wrote:

I just ran a VirtualBox VM with OpenBSD 6.6 and the ⎕EA error reported
does not occur there. I ran the GNU APL version 1.7 which seems to be the
latest in the OpenBSD package system.

My impression is that you may need to use the "official" GNU APL port
of OpenBSD rather than compiling from source, but I am lacking quite
some OpenBSD expertise.

Best Regards,

On 2/23/20 3:42 PM, Brian Callahan wrote:
Which, I should add, is exactly what I added to the README-6-Porting
file for OpenBSD :)

The latest version (SVN) of GNU APL compiles out of the box on OpenBSD.
You may want to install the following packages before building:
execinfo fftw3 gtk+3 pcre2

You should run the configure script as follows:
CC=cc CXX=c++ CPPFLAGS="-I/usr/local/include -I/usr/X11R6/include"
LDFLAGS="-L/usr/local/lib -L/usr/X11R6/lib" ./configure

On 2020-02-23 9:37 AM, Brian Callahan wrote:
Hi Jürgen --

Yes, exactly.
I have found that the GNU APL configure script doesn't always
discover the /usr/local directory (or our /usr/X11R6 directory, where
X libraries live).
So to be safe, the OpenBSD package of GNU APL (which I tie to
releases) does this:
CPPFLAGS='-I/usr/local/include -I/usr/X11R6/include'
LDFLAGS='-L/usr/local/lib -L$/usr/X11R6/lib' ./configure


On 2020-02-23 9:31 AM, Dr. Jürgen Sauermann wrote:
Hi Brian,

thanks. If it is installed then the ./configure of GNU APL should
it and
automatically add the proper linker flags. So 'Programmer' should:

1. install the libexecinfo package
2. re-run ./configure
3. make ; make install

On 2/23/20 1:43 PM, Brian Callahan wrote:
execinfo.h absolutely does exist on OpenBSD. You need to install the
libexecinfo package then link with -lexecinfo


On 2020-02-23 4:20 AM, address@hidden wrote:
I've constructed a basic example which crashes GNU APL under OpenBSD;
it explains the cause, but the
notice may still be valuable:

Cannot show function call stack since execinfo.h seems not to exist
on this OS (WINDOWs ?).

Process apl finished

I'm also interested in having some of my programs listed in the GNU
APL Community page.  Follows are
the relevant pages; there's another article, 2017-02-02, but this may
be considered too vulgar:


My relevant code should all be classified as L1 portability, as I
strive for portable and so correct
APL programs.  The programs are all licensed under the AGPLv3.
Another reason I send a message here
is because I'm having issues debugging my 2020-02-20, which I'd also
care to have included once I've
finished correcting it.  The ⎕TRACE doesn't provide enough
information for me and I'm unaware of how
to properly use ⎕STOP, managing to crash GNU APL under OpenBSD whilst
using it.  I'd appreciate help
in using these two commands to their fullest, if one is willing to
offer it.

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