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Clearning the screen [Was: Re: gm2 Digest, Vol 157, Issue 5]


From: john o goyo
Subject: Clearning the screen [Was: Re: gm2 Digest, Vol 157, Issue 5]
Date: Tue, 21 Jan 2020 13:41:30 -0500
User-agent: Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.5; en-GB; rv:1.9.2.23) Gecko/20110920 Thunderbird/3.1.15

Greetings, Johannes.

I would not advise using curses to clear the screen. Curses takes over the terminal and is overly heavy-weight for what you want to do (in my opinion).

Jan has experimented with using ANSI escape sequences here: http://fruttenboel.verhoeven272.nl/mhc/test6.html

As an example, the following code works with gm2 and Ulm.

MODULE clearscreen;

IMPORT InOut;

BEGIN
  InOut.Write(33C);
  InOut.WriteString("[2J");
  InOut.WriteLn
END clearscreen.

Sincerely,
john

(Apologies for the top-post.)

On 06/01/2020 08:57, john o goyo wrote:
Johannes,

You cannot simply call clear() without initialising curses first and you must call refresh() after calling clear().

Sincerely,
john

On 06/01/2020 04:34, Johannes Slotboom wrote:
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 <mailto:address@hidden>> wrote:

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    Today's Topics:

    Â  Â 1. Re: gm2 Digest, Vol 157, Issue 2 (Johannes Slotboom)
    Â  Â 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
    <mailto:address@hidden>>
    To: address@hidden <mailto:address@hidden>
    Subject: Re: gm2 Digest, Vol 157, Issue 2
    Message-ID:
    Â  Â  Â  Â
    <CAAcvka=jxi6N9uOesg2XJ_fkH-k-FnZJFq7K=+address@hidden
    <mailto: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:
    Â *libncurses.so.5*
    and a
    Â *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
    >Â  Â  Â  Â  Â address@hidden <mailto:address@hidden>
    >
    > To subscribe or unsubscribe via the World Wide Web, visit
    >Â  Â  Â  Â  Â https://lists.nongnu.org/mailman/listinfo/gm2
    > or, via email, send a message with subject or body 'help' to
    >Â  Â  Â  Â  Â address@hidden <mailto:address@hidden>
    >
    > You can reach the person managing the list at
    >Â  Â  Â  Â  Â 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:
    >
    >Â  Â  1. Re: Using pim/log/ulm together and clearing terminal
    >Â  Â  Â  Â (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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    Message: 2
    Date: Sun, 5 Jan 2020 15:06:53 -0500
    From: john o goyo <address@hidden
    <mailto:address@hidden>>
    To: address@hidden <mailto:address@hidden>
    Subject: Libncurses [Was: Re: gm2 Digest, Vol 157, Issue 2]
    Message-ID:
    <address@hidden
    <mailto: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>
    > <mailto:address@hidden
    <mailto:address@hidden>>> wrote:
    >
    >Â  Â  Â Send gm2 mailing list submissions to
    >Â  Â  Â address@hidden <mailto:address@hidden>
    <mailto:address@hidden <mailto:address@hidden>>
    >
    >Â  Â  Â To subscribe or unsubscribe via the World Wide Web, visit
    >Â  Â  Â https://lists.nongnu.org/mailman/listinfo/gm2
    >Â  Â  Â or, via email, send a message with subject or body 'help' to
    >Â  Â  Â address@hidden <mailto:address@hidden>
    <mailto:address@hidden <mailto:address@hidden>>
    >
    >Â  Â  Â You can reach the person managing the list at
    >Â  Â  Â address@hidden <mailto:address@hidden>
    <mailto:address@hidden <mailto:address@hidden>>
    >
    >Â  Â  Â When replying, please edit your Subject line so it is
    more specific
    >Â  Â  Â than "Re: Contents of gm2 digest..."
    >
    >
    >Â  Â  Â Today's Topics:
    >
    >Â  Â  Â  Â  1. Re: Using pim/log/ulm together and clearing terminal
    >Â  Â  Â  Â  Â  Â (Gaius Mulley)
    >
    >
>Â Â Â ----------------------------------------------------------------------
    >
    >Â  Â  Â Message: 1
    >Â  Â  Â Date: Fri, 03 Jan 2020 13:42:09 +0000
    >Â  Â  Â From: Gaius Mulley <address@hidden
    <mailto:address@hidden> <mailto:address@hidden
    <mailto:address@hidden>>>
    >Â  Â  Â To: Johannes Slotboom <address@hidden
    <mailto:address@hidden>
    >Â  Â  Â <mailto:address@hidden
    <mailto:address@hidden>>>
    >Â  Â  Â Cc: address@hidden <mailto:address@hidden>
    <mailto:address@hidden <mailto:address@hidden>>
    >Â  Â  Â Subject: Re: Using pim/log/ulm together and clearing
    terminal
    >Â  Â  Â Message-ID: <address@hidden
    <mailto:address@hidden>
    >Â  Â  Â <mailto:address@hidden
    <mailto:address@hidden>>>
    >Â  Â  Â Content-Type: text/plain
    >
    >Â  Â  Â Johannes Slotboom <address@hidden
    <mailto:address@hidden>
    >Â  Â  Â <mailto:address@hidden
    <mailto:address@hidden>>> writes:
    >
    >Â  Â  Â > Dear Gaius,
    >Â  Â  Â >
    >Â  Â  Â > I have my old Logitech Modula-2 program compiling
    again, and I
    >Â  Â  Â am very
    >Â  Â  Â > happy about that!!!
    >Â  Â  Â >
    >Â  Â  Â > Since my program is a late 80tees beginning 90tees
    style where the
    >Â  Â  Â > user interactively selects from presented text menus
    in the console
    >Â  Â  Â > (newly bash-shell) I am in need for an equivalent for
    the Logitech
    >Â  Â  Â > Modula-2 "Screenmode(3)" functionalityt which cleared
    the DOS-screen
    >Â  Â  Â > and printed the new menu from the top of the screen again.
    >Â  Â  Â >
    >Â  Â  Â > I tried to simulate this behaviour by writing
    character 33:
    >Â  Â  Â >
    >Â  Â  Â > Write( CHR(33) );
    >Â  Â  Â >
    >Â  Â  Â > ( CHR(33) should be the erase shell character.)
    >Â  Â  Â >
    >Â  Â  Â > however this unfortunately does not work. Than I saw
    that in the Ulm
    >Â  Â  Â > library there is a module called "CallShell" in which
    I plan to call
    >Â  Â  Â > "clear" which would do the trick (I hope at least).
    >Â  Â  Â > VAR status: CARDINAL;
    >Â  Â  Â > BOOLEAN response := PROCEDURE Shell( "clear", status );
    >
    >Â  Â  Â Hi Hans,
    >
    >Â  Â  Â yes the special character codes are not interpreted (yet) in
    >     Display/Terminal.  This could be added though.  At
    present there is a
    >Â  Â  Â substitute - which is to use the ncurses.def found in
    the examples:
    >
    >Â  Â  Â
    
http://git.savannah.gnu.org/cgit/gm2.git/tree/gcc-versionno/gcc/m2/examples/ncurses/ncurses.def
    >
    >Â  Â  Â there are a few tiny example programs in the same directory.
    >
    >Â  Â  Â > however if I try the latter there seem to be a problem
    with
    >Â  Â  Â using the
    >Â  Â  Â > pim and ulm libraries. Namely trying to build my
    application with:
    >Â  Â  Â >
    >Â  Â  Â > gm2 -g -I. -
    >Â  Â  Â >
    I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/pim -
    >Â  Â  Â >
    I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/log -
    >Â  Â  Â >
    I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/min -
    >Â  Â  Â >
    I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/ulm -
    >Â  Â  Â > flibs=pim,log,ulm -fmakeall ./ilv.mod
    >Â  Â  Â >
    >Â  Â  Â > results in the following terminal output:
    >Â  Â  Â >
    >Â  Â  Â > gm2 -c -fmakeall0 -
    >Â  Â  Â > B/home/slotboom/opt/lib/gcc//x86_64-pc-linux-gnu/8.2.0 -g
    >Â  Â  Â -fonlylink -
    >Â  Â  Â > fobject-path=. -
    >Â  Â  Â >
>Â Â Â fobject-path=/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/pim
    >Â  Â  Â >
>Â Â Â -fobject-path=/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/log
    >Â  Â  Â >
>Â Â Â -fobject-path=/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/min
    >Â  Â  Â >
>Â Â Â -fobject-path=/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/ulm
    >Â  Â  Â > -ftarget-ar=/usr/bin/ar -ftarget-ranlib=/usr/bin/ranlib
    >Â  Â  Â -fplugin=m2rte
    >Â  Â  Â > -flibs=pim,log,ulm -fmakeall -I. -
    >Â  Â  Â >
    I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/pim -
    >Â  Â  Â >
    I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/log -
    >Â  Â  Â >
    I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/min -
    >Â  Â  Â >
    I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/ulm -
    >Â  Â  Â >
    I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/pim -
    >Â  Â  Â >
    I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/log -
    >Â  Â  Â >
    I/home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/ulm -I -I .
    >Â  Â  Â > /ilv.mod
    >Â  Â  Â >
    /home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/ulm/libulm.a
    >Â  Â  Â > (libulm_la-SYSTEM.o): In function `_M2_SYSTEM_init':
    >Â  Â  Â >
>Â Â Â /home/slotboom/build-8.2.0/x86_64-pc-linux-gnu/libgm2/libulm/SYSTEM.c:622:
    >Â  Â  Â > multiple definition of `_M2_SYSTEM_init'
    >Â  Â  Â >
    /home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/pim/libgm2.a
    >Â  Â  Â >
>Â Â Â (SYSTEM.o):/home/slotboom/build-8.2.0/x86_64-pc-linux-gnu/libgm2/libpim/SYSTEM.def:20:
    >Â  Â  Â > first defined here
    >Â  Â  Â >
    /home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/ulm/libulm.a
    >Â  Â  Â > (libulm_la-SYSTEM.o): In function `_M2_SYSTEM_finish':
    >Â  Â  Â >
>Â Â Â /home/slotboom/build-8.2.0/x86_64-pc-linux-gnu/libgm2/libulm/SYSTEM.c:773:
    >Â  Â  Â > multiple definition of `_M2_SYSTEM_finish'
    >Â  Â  Â >
    /home/slotboom/opt/lib/gcc/x86_64-pc-linux-gnu/8.2.0/m2/pim/libgm2.a
    >Â  Â  Â >
>Â Â Â (SYSTEM.o):/home/slotboom/build-8.2.0/x86_64-pc-linux-gnu/libgm2/libpim/SYSTEM.def:20:
    >Â  Â  Â > first defined here
    >Â  Â  Â > collect2: error: ld returned 1 exit status
    >Â  Â  Â >
    >Â  Â  Â > So my additional question (apart from erasing the bash
    shell) is the
    >Â  Â  Â > question whether the ulm, log, pim and iso libraries
    cannot be used
    >Â  Â  Â > together in one application?
    >
    >Â  Â  Â it should be possible to use pim, iso and log in a
    single application.
    >Â  Â  Â The ulm is probably best to work with alone (or maybe
    with pim).
    >Â  Â  Â If you
    >Â  Â  Â use coroutines then you have to decide on a particular
    paradigm
    >Â  Â  Â and not
    >     mix them :-).  In conclusion they are designed to work
    together but if
    >Â  Â  Â the modules utilise aspects of SYSTEM.def/mod which
    contain different
    >Â  Â  Â declarations of the same named entity then problems arise,
    >
    >Â  Â  Â hope that helps,
    >
    >Â  Â  Â regards,
    >Â  Â  Â Gaius
    >
    >
    >
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