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

From: Dr . Jürgen Sauermann
Subject: Re: An Issue With Execute Alternate Under OpenBSD, Library Suggestions, and Debugging Help
Date: Sun, 23 Feb 2020 16:12:58 +0100
User-agent: Mozilla/5.0 (X11; Linux i686; rv:60.0) Gecko/20100101 Thunderbird/60.6.1


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
>> ~Brian
>> 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
>>> detect
>>> 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
>>>> ~Brian
>>>> 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:
>>>>>         '1'⎕EA'1÷0'
>>>>> 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:
>>>>>     http://verisimilitudes.net/2019-08-08
>>>>> gopher://verisimilitudes.net/12019-08-08
>>>>>     http://verisimilitudes.net/2019-12-06
>>>>> gopher://verisimilitudes.net/12019-12-06
>>>>> 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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