I'm pretty sure tge use of auto_ptr can be changed to unique_ptr here. I
think I used auto_ptr because I wanted it to work on versions of C++ which
didn't support unique_ptr.

Den tis 3 okt. 2023 20:17Dr. Jürgen Sauermann <mail@jürgen-sauermann.de>
skrev:

> Hi,
>
> thank you all for discussing this.
>
> To address at least some of the issues i have:
>
> 1, removed typeof() entirely, and
> 2. replaced  *std::auto_ptr<>* with *std::unique_ptr<>*
>   as proposed on the internet.
>
> I am not entirely sure about 2. though. It was only used twice
> in  emacs_mode and once in apl-sqlite.cc. Unfortunately I am
> lacking any emacs experience and can therefore not easily
> test the changes. Maybe Elias wants to have a look at  it
> (IMHO some uses of *auto_ptr* can be avoided entirely).
>
> If my changes should break anything then please let me know.
>
> *SVN 1736*.
>
> Best Regards,
> Jürgen
>
>
>
>
> On 10/3/23 04:42, Russtopia wrote:
>
> Aha! I got it to build. In Termux, which currently uses clang-16:
>
> After running ./configure,
> 1. Add -std=gnu++11, rather than c++11, to src/Makefile and
> src/emacs_mode/Makefile CXXFLAGS;
> 2. Add #include <pthread.h> to src/Thread_context.cc and change the call
> near line 49 from pthread_cancel(thread) to pthread_kill(thread, 0)
>
> In regards to pthread_cancel() ...
>
> I hope the following is not true: Termux (or Android beneath it) uses
> 'bionic libc' that does not implement pthread_cancel according to
>
> https://github.com/termux/termux-app/discussions/2639
>
> Some discussion about emulating it or replacing with pthread_kill(thread,
> 0) here: https://github.com/axel-download-accelerator/axel/issues/150
>
> I don't know who or what to test to see what deleterious effects, if any,
> using pthread_kill() instead of pthread_cancel() will have on operation.
> However, the main prompt comes up and I can run basic APL expressions.
>
> -Russ
>
>
> On Mon, Oct 2, 2023 at 6:44 PM Callahan, Brian Robert <call...@rpi.edu>
> wrote:
>
>> Hi Russ –
>>
>>
>>
>> On OpenBSD, clang has been the default compiler for many years. I
>> routinely build APL trunk on OpenBSD, and never had any problems so long as
>> I add -std=gnu++11 to CXXFLAGS. I just rebuilt APL from a clean SVN
>> checkout and it built without issues.
>>
>>
>>
>> I am using clang-16.0.6. Not sure what version Termux uses these days.
>>
>>
>>
>> ~Brian
>>
>>
>>
>> --
>>
>> Brian Robert Callahan, Ph.D., CISSP, CCSP, SSCP, CC
>>
>> Graduate Program Director, ITWS@RPI
>>
>> Director, Rensselaer Cybersecurity Collaboratory
>>
>> Office: Lally 304
>>
>>
>>
>> *From:* bug-apl-bounces+callab5=rpi....@gnu.org <bug-apl-bounces+callab5=
>> rpi....@gnu.org> *On Behalf Of *Russtopia
>> *Sent:* Monday, October 2, 2023 8:08 PM
>> *To:* bug-apl@gnu.org
>> *Subject:* [EXTERNAL]Building GNU APL with clang
>>
>>
>>
>> *CAUTION:* This email originated from outside of the organization. Do
>> not click links or open attachments unless you recognize the sender and
>> know the content is safe.
>>
>> Hello, See topic.
>>
>>
>>
>> I would rather not, but in this case I am trying to re-build GNU APL in
>> Termux on my newer Android phone, and Termux decided some time ago to
>> remove gcc entirely from its packages, in preference to clang. :(
>>
>>
>>
>> I am not up to date at all on modern C++, but this conversation on
>> Stackoverflow suggests that auto_ptr is considered deprecated in newer C++
>> standards:
>> https://stackoverflow.com/questions/69116001/how-do-i-re-enable-c17-removed-features-in-clang
>>
>>
>> libtool: compile: g++ -DHAVE_CONFIG_H -I. -I../..
>> -Wno-deprecated-declarations -g -O2 -I
>> /data/data/com.termux/files/home/gnuapl/trunk -c Listener.cc -o Listener.o
>> >/dev/null 2>&1
>> network.cc:37:10: error: no member named 'auto_ptr' in namespace 'std'
>> std::auto_ptr<NetworkConnection> connection( (NetworkConnection *)arg );
>> ~~~~~^
>> network.cc:37:19: error: 'NetworkConnection' does not refer to a value
>> std::auto_ptr<NetworkConnection> connection( (NetworkConnection *)arg );
>> ^
>>
>>
>>
>> Adding -std=c++11 to src/emacs-mode/Makefile CXXFLAGS got me past the
>> auto_ptr issues, but then I hit issues with 'typeof()' in LineInput.cc:
>>
>>
>> g++ -DHAVE_CONFIG_H -I. -I.. -Wall -I sql -I
>> /data/data/com.termux/files/home/gnuapl/trunk -std=c++11 -g -O2 -I
>> /data/data/com.termux/files/home/gnuapl/trunk -MT apl-Missing_Libraries.o
>> -MD -MP -MF .deps/apl-Missing_Libraries.Tpo -c -o apl-Missing_Libraries.o
>> `test -f 'Missing_Libraries.cc' || echo './'`Missing_Libraries.cc
>> LApack.cc:1784:37: error: unknown type name 'typeof'; did you mean
>> 'typedef'? tau = reinterpret_cast<typeof(tau)> (work);
>> ^~~~~~
>> typedef
>> LApack.cc:1784:43: error: expected a type tau =
>> reinterpret_cast<typeof(tau)> (work);
>> ^
>> LApack.cc:1784:37: error: type name does not allow storage class to be
>> specified
>> tau = reinterpret_cast<typeof(tau)> (work);
>> ^
>>
>> Has anyone managed to build and successfully run GNU APL with clang?
>>
>> -Russ
>>
>>
>>
>
>

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