[m-users.] "posix" extra library won't compile

Volker Wysk post at volker-wysk.de
Fri Mar 15 05:08:48 AEDT 2019


Am Donnerstag, 14. März 2019, 18:51:36 CET schrieb Zoltan Somogyi:
> On Thu, 14 Mar 2019 18:39:48 +0100, Volker Wysk <post at volker-wysk.de> wrote:
> > posix.select.m:049: Error: This declaration for type `fdset_ptr'/0 says it
> > is posix.select.m:049:   private, while the previous declaration says it
> > is posix.select.m:049:   exported.
> > posix.select.m:021:   The previous declaration was here.
> 
> I have fixed this. The cause is the fact that we have change the compiler
> generate either warnings or errors about redundant declarations, depending
> on whether they are consistent with each other or not.
> 
> > After fixing this in the code and trying again, I get more errors:
> > 
> > Making Mercury/os/posix.open.o
> > In file included from /usr/include/fcntl.h:290:0,
> > 
> >                  from /usr/local/mercury-rotd-2019-01-03/lib/mercury/inc/
> > 
> > io.mh:268,
> > 
> >                  from Mercury/cs/posix.open.c:28:
> > In function ‘open’,
> > 
> >     inlined from ‘posix__open_module4’ at posix.open.m:74:15:
> > /usr/include/x86_64-linux-gnu/bits/fcntl2.h:50:4: error: call to
> > ‘__open_missing_mode’ declared with attribute error: open with O_CREAT or
> > O_TMPFILE in second argument needs 3 arguments
> > In function ‘open’,
> > 
> >     inlined from ‘posix__open_module0’ at posix.open.m:74:15:
> > /usr/include/x86_64-linux-gnu/bits/fcntl2.h:50:4: error: call to
> > ‘__open_missing_mode’ declared with attribute error: open with O_CREAT or
> > O_TMPFILE in second argument needs 3 arguments
> > 
> > Could this be a compiler version problem...? Any chances to get this fixed
> > soon?
> 
> That one looks like your problem. ANSI C has both two and three argument
> versions of open, and so posix.open.m has two different copies of the open
> predicate, with different arities. It looks like you called the wrong one.

I'm not using it yet. I'm still trying to compile and install the library. So 
this is an error inside the "posix" library, isn't it?

Bye
V.W.




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