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

[Dun Peal]

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 <address@hidden> 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 <address@hidden> 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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