Re: Error building on OS X El Capitan: utmp.c:384:5: error: no member named 'ut_exit' in 'struct utmpx'​

Dun Peal <[email protected]>
Newsgroups gmane.comp.gnu.screen.user
Message-ID <CAD03jn5Z9Yz7UxBhgtcASptd1uHUTddSAt7p=82aNsAccfb62g@mail.gmail.com> 
Thanks, Amadeusz. As you instructed, I commented out the lines in utmp.c
which referenced ut_exit (lines #384-385) and then ran make again.
Unfortunately, it failed with a different error:

$ make
gcc -c  -iquote. -DETCSCREENRC='"/usr/local/etc/screenrc"'
-DSCREENENCODINGS='"/usr/local/share/screen/utf8encodings"' -g -O2 -Wall
-Wextra -std=c11 utmp.c -o utmp.o
utmp.c:358:21: warning: incompatible integer to pointer conversion passing
'slot_t' (aka 'int') to parameter of type 'const char *' [-Wint-conversion]
        strncpy(u.ut_line, slot, sizeof(u.ut_line));
                           ^~~~
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/usr/include/secure/_string.h:119:34:
note: expanded from
      macro 'strncpy'
  __builtin___strncpy_chk (dest, src, len, __darwin_obsz (dest))
                                 ^~~
utmp.c:363:58: warning: unused parameter 'host' [-Wunused-parameter]
static int pututslot(slot_t slot, struct utmpx *u, char *host, Window *win)
                                                         ^
utmp.c:363:72: warning: unused parameter 'win' [-Wunused-parameter]
static int pututslot(slot_t slot, struct utmpx *u, char *host, Window *win)
                                                                       ^
utmp.c:406:9: warning: incompatible pointer to integer conversion returning
'char *' from a function with result type 'slot_t' (aka 'int')
[-Wint-conversion]
        return stripdev(nam);
               ^~~~~~~~~~~~~
4 warnings generated.
gcc -c  -iquote. -DETCSCREENRC='"/usr/local/etc/screenrc"'
-DSCREENENCODINGS='"/usr/local/share/screen/utf8encodings"' -g -O2 -Wall
-Wextra -std=c11 help.c -o help.o
gcc -c  -iquote. -DETCSCREENRC='"/usr/local/etc/screenrc"'
-DSCREENENCODINGS='"/usr/local/share/screen/utf8encodings"' -g -O2 -Wall
-Wextra -std=c11 termcap.c -o termcap.o
gcc -c  -iquote. -DETCSCREENRC='"/usr/local/etc/screenrc"'
-DSCREENENCODINGS='"/usr/local/share/screen/utf8encodings"' -g -O2 -Wall
-Wextra -std=c11 input.c -o input.o
gcc -c  -iquote. -DETCSCREENRC='"/usr/local/etc/screenrc"'
-DSCREENENCODINGS='"/usr/local/share/screen/utf8encodings"' -g -O2 -Wall
-Wextra -std=c11 attacher.c -o attacher.o
attacher.c:457:14: error: use of undeclared identifier '_NSIG'
        void (*sigs[_NSIG - 1]) (int);
                    ^
attacher.c:459:22: error: use of undeclared identifier '_NSIG'
        for (sig = 1; sig < _NSIG - 1; sig++)
                            ^
attacher.c:467:22: error: use of undeclared identifier '_NSIG'
        for (sig = 1; sig < - 1; sig++) {
                            ^
3 errors generated.
make: *** [attacher.o] Error 1

On Mon, Apr 4, 2016 at 3:38 PM, Amadeusz Sławiński <[email protected]> wrote:

> Hey,
>
> soory for delay, ut_exit is GNU extension apparently not supported by
> Mac OS X, can you try commenting out offending lines?
>
> Amadeusz
>
> On Mon, 4 Apr 2016 14:59:05 -0400
> Dun Peal <[email protected]> wrote:
>
> > I'm trying to build Git HEAD of screen on OS X El Capital (latest
> > version: 10.11.4) and getting the following error output - help
> > appreciated:
> >
> > $ make
> > AWK=gawk srcdir=. sh ./term.sh
> > AWK=gawk CC="gcc -g -O2 -Wall -Wextra -std=c11" srcdir=. sh ./comm.sh
> > gcc -c  -iquote. -DETCSCREENRC='"/usr/local/etc/screenrc"'
> > -DSCREENENCODINGS='"/usr/local/share/screen/utf8encodings"' -g -O2
> > -Wall -Wextra -std=c11 screen.c -o screen.o
> > gcc -c  -iquote. -DETCSCREENRC='"/usr/local/etc/screenrc"'
> > -DSCREENENCODINGS='"/usr/local/share/screen/utf8encodings"' -g -O2
> > -Wall -Wextra -std=c11 ansi.c -o ansi.o
> > gcc -c  -iquote. -DETCSCREENRC='"/usr/local/etc/screenrc"'
> > -DSCREENENCODINGS='"/usr/local/share/screen/utf8encodings"' -g -O2
> > -Wall -Wextra -std=c11 fileio.c -o fileio.o
> > gcc -c  -iquote. -DETCSCREENRC='"/usr/local/etc/screenrc"'
> > -DSCREENENCODINGS='"/usr/local/share/screen/utf8encodings"' -g -O2
> > -Wall -Wextra -std=c11 mark.c -o mark.o
> > gcc -c  -iquote. -DETCSCREENRC='"/usr/local/etc/screenrc"'
> > -DSCREENENCODINGS='"/usr/local/share/screen/utf8encodings"' -g -O2
> > -Wall -Wextra -std=c11 misc.c -o misc.o
> > gcc -c  -iquote. -DETCSCREENRC='"/usr/local/etc/screenrc"'
> > -DSCREENENCODINGS='"/usr/local/share/screen/utf8encodings"' -g -O2
> > -Wall -Wextra -std=c11 resize.c -o resize.o
> > gcc -c  -iquote. -DETCSCREENRC='"/usr/local/etc/screenrc"'
> > -DSCREENENCODINGS='"/usr/local/share/screen/utf8encodings"' -g -O2
> > -Wall -Wextra -std=c11 socket.c -o socket.o
> > gcc -c  -iquote. -DETCSCREENRC='"/usr/local/etc/screenrc"'
> > -DSCREENENCODINGS='"/usr/local/share/screen/utf8encodings"' -g -O2
> > -Wall -Wextra -std=c11 search.c -o search.o
> > gcc -c  -iquote. -DETCSCREENRC='"/usr/local/etc/screenrc"'
> > -DSCREENENCODINGS='"/usr/local/share/screen/utf8encodings"' -g -O2
> > -Wall -Wextra -std=c11 tty.c -o tty.o
> > gcc -c  -iquote. -DETCSCREENRC='"/usr/local/etc/screenrc"'
> > -DSCREENENCODINGS='"/usr/local/share/screen/utf8encodings"' -g -O2
> > -Wall -Wextra -std=c11 term.c -o term.o
> > gcc -c  -iquote. -DETCSCREENRC='"/usr/local/etc/screenrc"'
> > -DSCREENENCODINGS='"/usr/local/share/screen/utf8encodings"' -g -O2
> > -Wall -Wextra -std=c11 window.c -o window.o
> > gcc -c  -iquote. -DETCSCREENRC='"/usr/local/etc/screenrc"'
> > -DSCREENENCODINGS='"/usr/local/share/screen/utf8encodings"' -g -O2
> > -Wall -Wextra -std=c11 utmp.c -o utmp.o
> > utmp.c:358:21: warning: incompatible integer to pointer conversion
> > passing 'slot_t' (aka 'int') to parameter of type 'const char
> > *' [-Wint-conversion] strncpy(u.ut_line, slot, sizeof(u.ut_line));
> >                            ^~~~
> >
> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/usr/include/secure/_string.h:119:34:
> > note: expanded from macro 'strncpy'
> >   __builtin___strncpy_chk (dest, src, len, __darwin_obsz (dest))
> >                                  ^~~
> > utmp.c:363:58: warning: unused parameter 'host' [-Wunused-parameter]
> > static int pututslot(slot_t slot, struct utmpx *u, char *host, Window
> > *win) ^
> > utmp.c:363:72: warning: unused parameter 'win' [-Wunused-parameter]
> > static int pututslot(slot_t slot, struct utmpx *u, char *host, Window
> > *win) ^
> > utmp.c:384:5: error: no member named 'ut_exit' in 'struct utmpx'
> >         u->ut_exit.e_termination = 0;
> >         ~  ^
> > utmp.c:385:5: error: no member named 'ut_exit' in 'struct utmpx'
> >         u->ut_exit.e_exit = 0;
> >         ~  ^
> > utmp.c:406:9: warning: incompatible pointer to integer conversion
> > returning 'char *' from a function with result type 'slot_t' (aka
> > 'int') [-Wint-conversion]
> >         return stripdev(nam);
> >                ^~~~~~~~~~~~~
> > 4 warnings and 2 errors generated.
> > make: *** [utmp.o] Error 1
>
>
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