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Re: gm2 Digest, Vol 157, Issue 5

From: Johannes Slotboom
Subject: Re: gm2 Digest, Vol 157, Issue 5
Date: Mon, 6 Jan 2020 10:34:42 +0100
Dear Gaius

In the meantime I found out how to link the program with the ncurses library.

The following statement did the compilation and linking:

gm2 -g -I. -I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/pim -I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/log -I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/min-L. -l:libncurses.so.5 -flibs=pim,log -fmakeall ./clear_screen_m2.mod

I made a piece of test code (clear_screen_m2.mod):

MODULE clear_screen_m2;

FROM ncurses IMPORT clear;
FROM InOut IMPORT WriteString;WriteLn;
VAR retVal:INTEGER;

BEGIN
   WriteString(" Before clear screen ");WriteLn;
   retVal := clear ();
   WriteString(" After clear screen ");WriteLn;
END clear_screen_m2.

I get an "./a.out" which I can execute, though the screen is not cleared.

slotboom@JS-at-Asus:~/development/DEF_SIMU$ ./a.out
 Before clear screen  After clear screen
slotboom@JS-at-Asus:~/development/DEF_SIMU$

So although the function clear() is called the bash shell is not cleared.
Do you know what I still do wrong?

Have a nice day,

Hans


On Sun, Jan 5, 2020 at 9:15 PM <address@hidden> wrote:
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Today's Topics:

   1. Re: gm2 Digest, Vol 157, Issue 2 (Johannes Slotboom)
   2. Libncurses [Was: Re: gm2 Digest, Vol 157, Issue 2] (john o goyo)


----------------------------------------------------------------------

Message: 1
Date: Sun, 5 Jan 2020 19:17:45 +0100
From: Johannes Slotboom <address@hidden>
To: address@hidden
Subject: Re: gm2 Digest, Vol 157, Issue 2
Message-ID:
        <CAAcvka=jxi6N9uOesg2XJ_fkH-k-FnZJFq7K=+address@hidden>
Content-Type: text/plain; charset="utf-8"

Dear Gaius

Sorry for another mail from me about the usage of the ncurses.def to enable
"clear()" of the working terminal.
I copied the ncurses.def file into the directory where I do the
compilation. I imported the clear functionality from it.
Than my Modula-2 file nicely compiles, but it does not link:

gm2 -g -I. -I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/pim
-I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/log
-I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/min
-flibs=pim,log -fmakeall ./SpinSimMain.mod
make: Nothing to be done for 'SpinSimMain'.
/tmp/ccDs7BDg.a(SpinSimMain.o): In function `Define_Batch':
/home/slotboom/development/DEF_SIMU/./SpinSimMain.mod:1531: undefined
reference to `clear'
collect2: error: ld returned 1 exit status

I have:
 *libncurses.so.5*
and a
 *libncursesw.so.5*

in the /lib/x86_64-linux-gnu directory and the .bashrc *LD_LIBRARY_PATH*
includes this directory.

One questions I have therefore:

- are these the libraries I need to link the application to get the
"clear()" function working, or do I need another ncurses library to be
installed?

Have a nice evening,

Hans

P.S. I have in the meantime got another MODULA-2 application working (apart
from the clear() function) and am very happy with it!




On Fri, Jan 3, 2020 at 6:04 PM <address@hidden> wrote:

> Send gm2 mailing list submissions to
>         address@hidden
>
> To subscribe or unsubscribe via the World Wide Web, visit
>         https://lists.nongnu.org/mailman/listinfo/gm2
> or, via email, send a message with subject or body 'help' to
>         address@hidden
>
> You can reach the person managing the list at
>         address@hidden
>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of gm2 digest..."
>
>
> Today's Topics:
>
>    1. Re: Using pim/log/ulm together and clearing terminal
>       (Gaius Mulley)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Fri, 03 Jan 2020 13:42:09 +0000
> From: Gaius Mulley <address@hidden>
> To: Johannes Slotboom <address@hidden>
> Cc: address@hidden
> Subject: Re: Using pim/log/ulm together and clearing terminal
> Message-ID: <address@hidden>
> Content-Type: text/plain
>
> Johannes Slotboom <address@hidden> writes:
>
> > Dear Gaius,
> >
> > I have my old Logitech Modula-2 program compiling again, and I am very
> > happy about that!!!
> >
> > Since my program is a late 80tees beginning 90tees style where the
> > user interactively selects from presented text menus in the console
> > (newly bash-shell) I am in need for an equivalent for the Logitech
> > Modula-2 "Screenmode(3)" functionalityt which cleared the DOS-screen
> > and printed the new menu from the top of the screen again.
> >
> > I tried to simulate this behaviour by writing character 33:
> >
> > Write( CHR(33) );
> >
> > ( CHR(33) should be the erase shell character.)
> >
> > however this unfortunately does not work. Than I saw that in the Ulm
> > library there is a module called "CallShell" in which I plan to call
> > "clear" which would do the trick (I hope at least).
> > VAR status: CARDINAL;
> > BOOLEAN response := PROCEDURE Shell( "clear", status );
>
> Hi Hans,
>
> yes the special character codes are not interpreted (yet) in
> Display/Terminal.  This could be added though.  At present there is a
> substitute - which is to use the ncurses.def found in the examples:
>
>
> http://git.savannah.gnu.org/cgit/gm2.git/tree/gcc-versionno/gcc/m2/examples/ncurses/ncurses.def
>
> there are a few tiny example programs in the same directory.
>
> > however if I try the latter there seem to be a problem with using the
> > pim and ulm libraries. Namely trying to build my application with:
> >
> > gm2 -g -I. -
> > I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/pim -
> > I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/log -
> > I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/min -
> > I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/ulm -
> > flibs=pim,log,ulm -fmakeall ./ilv.mod
> >
> > results in the following terminal output:
> >
> > gm2 -c -fmakeall0 -
> > B/home/slotboom/opt/lib/gcc//x86_64-pc-linux-gnu/8.2.0 -g -fonlylink -
> > fobject-path=. -
> > fobject-path=/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/pim
> > -fobject-path=/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/log
> > -fobject-path=/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/min
> > -fobject-path=/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/ulm
> > -ftarget-ar=/usr/bin/ar -ftarget-ranlib=/usr/bin/ranlib -fplugin=m2rte
> > -flibs=pim,log,ulm -fmakeall -I. -
> > I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/pim -
> > I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/log -
> > I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/min -
> > I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/ulm -
> > I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/pim -
> > I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/log -
> > I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/ulm -I -I .
> > /ilv.mod
> > /home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/ulm/libulm.a
> > (libulm_la-SYSTEM.o): In function `_M2_SYSTEM_init':
> >
> /home/slotboom/build-8.2.0/x86_64-pc-linux-gnu/libgm2/libulm/SYSTEM.c:622:
> > multiple definition of `_M2_SYSTEM_init'
> > /home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/pim/libgm2.a
> >
> (SYSTEM.o):/home/slotboom/build-8.2.0/x86_64-pc-linux-gnu/libgm2/libpim/SYSTEM.def:20:
> > first defined here
> > /home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/ulm/libulm.a
> > (libulm_la-SYSTEM.o): In function `_M2_SYSTEM_finish':
> >
> /home/slotboom/build-8.2.0/x86_64-pc-linux-gnu/libgm2/libulm/SYSTEM.c:773:
> > multiple definition of `_M2_SYSTEM_finish'
> > /home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/pim/libgm2.a
> >
> (SYSTEM.o):/home/slotboom/build-8.2.0/x86_64-pc-linux-gnu/libgm2/libpim/SYSTEM.def:20:
> > first defined here
> > collect2: error: ld returned 1 exit status
> >
> > So my additional question (apart from erasing the bash shell) is the
> > question whether the ulm, log, pim and iso libraries cannot be used
> > together in one application?
>
> it should be possible to use pim, iso and log in a single application.
> The ulm is probably best to work with alone (or maybe with pim).  If you
> use coroutines then you have to decide on a particular paradigm and not
> mix them :-).  In conclusion they are designed to work together but if
> the modules utilise aspects of SYSTEM.def/mod which contain different
> declarations of the same named entity then problems arise,
>
> hope that helps,
>
> regards,
> Gaius
>
>
>
> ------------------------------
>
> Subject: Digest Footer
>
> _______________________________________________
> gm2 mailing list
> address@hidden
> https://lists.nongnu.org/mailman/listinfo/gm2
>
>
> ------------------------------
>
> End of gm2 Digest, Vol 157, Issue 2
> ***********************************
>
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------------------------------

Message: 2
Date: Sun, 5 Jan 2020 15:06:53 -0500
From: john o goyo <address@hidden>
To: address@hidden
Subject: Libncurses [Was: Re: gm2 Digest, Vol 157, Issue 2]
Message-ID: <address@hidden>
Content-Type: text/plain; charset=windows-1252; format=flowed

Greetings, Johannes.

On 01/05/20 13:17, Johannes Slotboom wrote:
> Dear Gaius
>
> Sorry for another mail from me about the usage of the ncurses.def to
> enable "clear()" of the working terminal.
> I copied the ncurses.def file into the directory where I do the
> compilation. I imported the clear functionality from it.
> Than my Modula-2 file nicely compiles, but it does not link:
>
> gm2 -g -I.
> -I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/pim
> -I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/log
> -I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/min
> -flibs=pim,log -fmakeall ./SpinSimMain.mod
> make: Nothing to be done for 'SpinSimMain'.
> /tmp/ccDs7BDg.a(SpinSimMain.o): In function `Define_Batch':
> /home/slotboom/development/DEF_SIMU/./SpinSimMain.mod:1531: undefined
> reference to `clear'
> collect2: error: ld returned 1 exit status

Forgive my ignorance but where is "-lncurses" being specified?

N.

>
> I have:
> *libncurses.so.5*
> and a
> *libncursesw.so.5*
>
> in the /lib/x86_64-linux-gnu directory and the .bashrc
> *LD_LIBRARY_PATH* includes this directory.
>
> One questions I have therefore:
>
> - are these the libraries I need to link the application to get the
> "clear()" function working, or do I need another ncurses library to be
> installed?
>
> Have a nice evening,
>
> Hans
>
> P.S. I have in the meantime got another MODULA-2 application working
> (apart from the clear() function) and am very happy with it!
>
>
>
>
> On Fri, Jan 3, 2020 at 6:04 PM <address@hidden
> <mailto:address@hidden>> wrote:
>
>     Send gm2 mailing list submissions to
>     address@hidden <mailto:address@hidden>
>
>     To subscribe or unsubscribe via the World Wide Web, visit
>     https://lists.nongnu.org/mailman/listinfo/gm2
>     or, via email, send a message with subject or body 'help' to
>     address@hidden <mailto:address@hidden>
>
>     You can reach the person managing the list at
>     address@hidden <mailto:address@hidden>
>
>     When replying, please edit your Subject line so it is more specific
>     than "Re: Contents of gm2 digest..."
>
>
>     Today's Topics:
>
>        1. Re: Using pim/log/ulm together and clearing terminal
>           (Gaius Mulley)
>
>
>     ----------------------------------------------------------------------
>
>     Message: 1
>     Date: Fri, 03 Jan 2020 13:42:09 +0000
>     From: Gaius Mulley <address@hidden <mailto:address@hidden>>
>     To: Johannes Slotboom <address@hidden
>     <mailto:address@hidden>>
>     Cc: address@hidden <mailto:address@hidden>
>     Subject: Re: Using pim/log/ulm together and clearing terminal
>     Message-ID: <address@hidden
>     <mailto:address@hidden>>
>     Content-Type: text/plain
>
>     Johannes Slotboom <address@hidden
>     <mailto:address@hidden>> writes:
>
>     > Dear Gaius,
>     >
>     > I have my old Logitech Modula-2 program compiling again, and I
>     am very
>     > happy about that!!!
>     >
>     > Since my program is a late 80tees beginning 90tees style where the
>     > user interactively selects from presented text menus in the console
>     > (newly bash-shell) I am in need for an equivalent for the Logitech
>     > Modula-2 "Screenmode(3)" functionalityt which cleared the DOS-screen
>     > and printed the new menu from the top of the screen again.
>     >
>     > I tried to simulate this behaviour by writing character 33:
>     >
>     > Write( CHR(33) );
>     >
>     > ( CHR(33) should be the erase shell character.)
>     >
>     > however this unfortunately does not work. Than I saw that in the Ulm
>     > library there is a module called "CallShell" in which I plan to call
>     > "clear" which would do the trick (I hope at least).
>     > VAR status: CARDINAL;
>     > BOOLEAN response := PROCEDURE Shell( "clear", status );
>
>     Hi Hans,
>
>     yes the special character codes are not interpreted (yet) in
>     Display/Terminal.  This could be added though.  At present there is a
>     substitute - which is to use the ncurses.def found in the examples:
>
>     http://git.savannah.gnu.org/cgit/gm2.git/tree/gcc-versionno/gcc/m2/examples/ncurses/ncurses.def
>
>     there are a few tiny example programs in the same directory.
>
>     > however if I try the latter there seem to be a problem with
>     using the
>     > pim and ulm libraries. Namely trying to build my application with:
>     >
>     > gm2 -g -I. -
>     > I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/pim -
>     > I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/log -
>     > I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/min -
>     > I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/ulm -
>     > flibs=pim,log,ulm -fmakeall ./ilv.mod
>     >
>     > results in the following terminal output:
>     >
>     > gm2 -c -fmakeall0 -
>     > B/home/slotboom/opt/lib/gcc//x86_64-pc-linux-gnu/8.2.0 -g
>     -fonlylink -
>     > fobject-path=. -
>     >
>     fobject-path=/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/pim
>     >
>     -fobject-path=/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/log
>     >
>     -fobject-path=/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/min
>     >
>     -fobject-path=/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/ulm
>     > -ftarget-ar=/usr/bin/ar -ftarget-ranlib=/usr/bin/ranlib
>     -fplugin=m2rte
>     > -flibs=pim,log,ulm -fmakeall -I. -
>     > I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/pim -
>     > I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/log -
>     > I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/min -
>     > I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/ulm -
>     > I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/pim -
>     > I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/log -
>     > I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/ulm -I -I .
>     > /ilv.mod
>     > /home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/ulm/libulm.a
>     > (libulm_la-SYSTEM.o): In function `_M2_SYSTEM_init':
>     >
>     /home/slotboom/build-8.2.0/x86_64-pc-linux-gnu/libgm2/libulm/SYSTEM.c:622:
>     > multiple definition of `_M2_SYSTEM_init'
>     > /home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/pim/libgm2.a
>     >
>     (SYSTEM.o):/home/slotboom/build-8.2.0/x86_64-pc-linux-gnu/libgm2/libpim/SYSTEM.def:20:
>     > first defined here
>     > /home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/ulm/libulm.a
>     > (libulm_la-SYSTEM.o): In function `_M2_SYSTEM_finish':
>     >
>     /home/slotboom/build-8.2.0/x86_64-pc-linux-gnu/libgm2/libulm/SYSTEM.c:773:
>     > multiple definition of `_M2_SYSTEM_finish'
>     > /home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/pim/libgm2.a
>     >
>     (SYSTEM.o):/home/slotboom/build-8.2.0/x86_64-pc-linux-gnu/libgm2/libpim/SYSTEM.def:20:
>     > first defined here
>     > collect2: error: ld returned 1 exit status
>     >
>     > So my additional question (apart from erasing the bash shell) is the
>     > question whether the ulm, log, pim and iso libraries cannot be used
>     > together in one application?
>
>     it should be possible to use pim, iso and log in a single application.
>     The ulm is probably best to work with alone (or maybe with pim).
>     If you
>     use coroutines then you have to decide on a particular paradigm
>     and not
>     mix them :-).  In conclusion they are designed to work together but if
>     the modules utilise aspects of SYSTEM.def/mod which contain different
>     declarations of the same named entity then problems arise,
>
>     hope that helps,
>
>     regards,
>     Gaius
>
>
>
>     ------------------------------
>
>     Subject: Digest Footer
>
>     _______________________________________________
>     gm2 mailing list
>     address@hidden <mailto:address@hidden>
>     https://lists.nongnu.org/mailman/listinfo/gm2
>
>
>     ------------------------------
>
>     End of gm2 Digest, Vol 157, Issue 2
>     ***********************************
>




------------------------------

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