GNU Screen compiled on FreeBSD 10.0 w/clang 3.3

===>  Found saved configuration for screen-4.0.3_14
===>   screen-4.0.3_14 depends on file: /usr/local/sbin/pkg - found
=> screen-4.0.3.tar.gz doesn't seem to exist in /usr/ports/distfiles/.
=> Attempting to fetch ftp://ftp.uni-erlangen.de/pub/utilities/screen/screen-4.0.3.tar.gz
fetch: ftp://ftp.uni-erlangen.de/pub/utilities/screen/screen-4.0.3.tar.gz: File unavailable (e.g., file not found, no access)
=> Attempting to fetch http://komquats.com/distfiles/screen-4.0.3.tar.gz
fetch: http://komquats.com/distfiles/screen-4.0.3.tar.gz: Forbidden
=> Attempting to fetch http://people.freebsd.org/~cy/distfiles/screen-4.0.3.tar.gz
screen-4.0.3.tar.gz                           100% of  820 kB 3123 kBps 00m00s
===> Fetching all distfiles required by screen-4.0.3_14 for building
===>  Extracting for screen-4.0.3_14
=> SHA256 Checksum OK for screen-4.0.3.tar.gz.
===>  Patching for screen-4.0.3_14
===>  Applying FreeBSD patches for screen-4.0.3_14
===>  Configuring for screen-4.0.3_14
===>   FreeBSD 10 autotools fix applied to /usr/ports/sysutils/screen/work/screen-4.0.3/configure
configure: loading site script /usr/ports/Templates/config.site
this is screen version 4.0.3
checking for gcc... cc
checking for C compiler default output... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables...
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether cc accepts -g... yes
checking for cc option to accept ANSI C... none needed
checking how to run the C preprocessor... cpp
checking for egrep... grep -E
checking whether cc needs -traditional... no
checking for library containing strerror... none required
checking for gawk... (cached) /usr/bin/awk
checking for a BSD-compatible install... /usr/bin/install -c -o root -g wheel
configure: checking for buggy tools...
checking if a system-wide socket dir should be used... yes
checking for the socket dir... (eff_uid ? "/tmp/uscreens" : "/tmp/screens")
configure: checking for MIPS...
configure: checking for Ultrix...
configure: checking for butterfly...
configure: checking for POSIX.1...
- you have a POSIX system
configure: checking for System V...
configure: checking for sequent/ptx...
configure: checking SVR4...
checking for ANSI C header files... (cached) yes
checking for sys/types.h... (cached) yes
checking for sys/stat.h... (cached) yes
checking for stdlib.h... (cached) yes
checking for string.h... (cached) yes
checking for memory.h... (cached) yes
checking for strings.h... (cached) yes
checking for inttypes.h... (cached) yes
checking for stdint.h... (cached) yes
checking for unistd.h... (cached) yes
checking dwarf.h usability... yes
checking dwarf.h presence... yes
checking for dwarf.h... yes
configure: checking for Solaris 2.x...
configure: checking BSD job jontrol...
- you have jobcontrol
configure: checking setreuid...
configure: checking seteuid...
configure: checking select...
configure: checking fifos...
- your fifos are usable
configure: checking for broken fifo implementation...
- your implementation is ok
configure: checking sockets...
- your sockets are usable
configure: checking socket implementation...
- you are normal
- both sockets and fifos usable. let's take fifos.
configure: checking select return value...
- select is ok
configure: checking for tgetent...
configure: checking libtermcap...
- you use the termcap database
configure: checking ospeed...
configure: checking for /dev/ptc...
configure: checking for SVR4 ptys...
checking for getpt... no
checking for openpty... no
checking for openpty in -lutil... yes
configure: checking for ptyranges...
configure: checking default tty permissions/group...
- pty mode: 0620, group: 4
configure: checking getutent...
configure: checking ut_host...
checking utempter.h usability... yes
checking utempter.h presence... yes
checking for utempter.h... yes
configure: checking for libutil(s)...
configure: checking getloadavg...
assuming posix signal definition
configure: checking for crypt and sec libraries...
configure: checking crypt...
configure: checking IRIX sun library...
configure: checking syslog...
configure: checking wait union...
configure: checking for termio or termios...
configure: checking getspnam...
configure: checking getttyent...
configure: checking fdwalk...
configure: checking whether memcpy/memmove/bcopy handles overlapping arguments...
checking long file names... yes
checking for vsprintf... yes
checking for dirent.h that defines DIR... yes
checking for library containing opendir... none required
checking for setenv... yes
checking for nl_langinfo(CODESET)... yes
checking for library containing gethostname... none required
checking for rename... (cached) yes
checking for fchmod... (cached) yes
checking for fchown... (cached) yes
checking for strerror... (cached) yes
checking for lstat... (cached) yes
checking for _exit... yes
checking for utimes... (cached) yes
checking for vsnprintf... (cached) yes
checking for getcwd... (cached) yes
checking for setlocale... (cached) yes
checking for strftime... (cached) yes
checking for the global screenrc file... "/usr/local/etc/screenrc"
checking for the utf8-encodings location... "/usr/local/share/screen/utf8encodings"
configure: creating ./config.status
config.status: creating Makefile
config.status: creating doc/Makefile
config.status: creating config.h
config.status: executing default commands

Now please check the pathnames in the Makefile and in the user
configuration section in config.h.
Then type 'make' to make screen. Good luck.

===>  Building for screen-4.0.3_14
CPP="cpp " srcdir=. sh ./osdef.sh
AWK=/usr/bin/awk CC="cc -O2 -pipe -DCOLORS256 -fno-strict-aliasing" srcdir=. sh ./comm.sh
AWK=/usr/bin/awk srcdir=. sh ./term.sh
sh ./tty.sh tty.c
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing putenv.c
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing comm.c
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing screen.c
screen.c:1862:14: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
    Panic(0, strnomem);
             ^~~~~~~~
screen.c:2190:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
          Msg(0, strnomem);
                 ^~~~~~~~
screen.c:2212:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
          Msg(0, strnomem);
                 ^~~~~~~~
3 warnings generated.
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing ansi.c
ansi.c:2891:13: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  LMsg(err, str);
            ^~~
1 warning generated.
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing fileio.c
fileio.c:72:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
        Panic(0, strnomem);
                 ^~~~~~~~
fileio.c:80:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
        Panic(0, strnomem);
                 ^~~~~~~~
fileio.c:580:14: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
      Msg(0, strnomem);
             ^~~~~~~~
fileio.c:830:20: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
      Panic(errno, *cmdv);
                   ^~~~~
4 warnings generated.
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing mark.c
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing misc.c
misc.c:55:14: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
    Panic(0, strnomem);
             ^~~~~~~~
misc.c:69:14: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
    Panic(0, strnomem);
             ^~~~~~~~
2 warnings generated.
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing resize.c
resize.c:560:14: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
    Panic(0, strnomem);
             ^~~~~~~~
resize.c:733:15: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
              Msg(0, strnomem);
                     ^~~~~~~~
resize.c:966:15: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
              Msg(0, strnomem);
                     ^~~~~~~~
3 warnings generated.
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing socket.c
socket.c:1263:14: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
    Panic(0, strnomem);
             ^~~~~~~~
1 warning generated.
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing search.c
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing term.c
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing window.c
window.c:591:14: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
      Msg(0, strnomem);
             ^~~~~~~~
window.c:623:14: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
      Msg(0, strnomem);
             ^~~~~~~~
window.c:1465:14: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
      Msg(0, strnomem);
             ^~~~~~~~
3 warnings generated.
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing utmp.c
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing loadav.c
loadav.c:346:27: warning: adding 'int' to a string does not append to the string [-Wstring-plus-int]
      sprintf(p, " %2.2f" + !i, FIX_TO_DBL(loadav[i]));
                 ~~~~~~~~~^~~~
loadav.c:346:27: note: use array indexing to silence this warning
      sprintf(p, " %2.2f" + !i, FIX_TO_DBL(loadav[i]));
                          ^
                 &        [   ]
1 warning generated.
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing help.c
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing termcap.c
termcap.c:136:14: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
      Msg(0, strnomem);
             ^~~~~~~~
termcap.c:1191:14: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
      Msg(0, strnomem);
             ^~~~~~~~
termcap.c:1210:15: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
              Msg(0, strnomem);
                     ^~~~~~~~
termcap.c:1245:15: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
              Msg(0, strnomem);
                     ^~~~~~~~
4 warnings generated.
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing input.c
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing attacher.c
attacher.c:233:34: warning: data argument not used by format string [-Wformat-extra-args]
                        "resum", SockMatch);
                                 ^
attacher.c:722:13: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
            printf(LockEnd);
                   ^~~~~~~
2 warnings generated.
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing pty.c
pty.c:325:7: warning: implicit declaration of function 'openpty' is invalid in C99 [-Wimplicit-function-declaration]
  if (openpty(&f, &s, TtyName, NULL, NULL) != 0)
      ^
1 warning generated.
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing process.c
process.c:597:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
          Msg(0, strnomem);
                 ^~~~~~~~
process.c:2192:13: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
            Msg(0, strnomem);
                   ^~~~~~~~
process.c:2279:16: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
                      Msg(0, strnomem);
                             ^~~~~~~~
process.c:2919:22: warning: data argument not used by format string [-Wformat-extra-args]
            fore->w_number, fore->w_slowpaste);
                            ^
process.c:2924:22: warning: data argument not used by format string [-Wformat-extra-args]
            fore->w_number, fore->w_slowpaste);
                            ^
process.c:3878:14: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
    Panic(0, strnomem);
             ^~~~~~~~
process.c:3880:14: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
    Panic(0, strnomem);
             ^~~~~~~~
process.c:3902:14: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
    Panic(0, strnomem);
             ^~~~~~~~
process.c:5396:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
          Msg(0, strnomem);
                 ^~~~~~~~
process.c:5501:35: warning: operator '?:' has lower precedence than '+'; '+' will be evaluated first [-Wparentheses]
    strncpy(p, buf, 1 + (l < len) ? l : len);
                    ~~~~~~~~~~~~~ ^
process.c:5501:35: note: place parentheses around the '+' expression to silence this warning
    strncpy(p, buf, 1 + (l < len) ? l : len);
                                  ^
                    (            )
process.c:5501:35: note: place parentheses around the '?:' expression to evaluate it first
    strncpy(p, buf, 1 + (l < len) ? l : len);
                                  ^
                        (                  )
process.c:5603:11: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
          Msg(0, strnomem);
                 ^~~~~~~~
11 warnings generated.
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing display.c
display.c:3912:20: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
      Panic(errno, *cmdv);
                   ^~~~~
1 warning generated.
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing acls.c
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing braille.c
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing braille_tsi.c
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing logfile.c
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing layer.c
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing sched.c
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing teln.c
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing nethack.c
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing encoding.c
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing tty.c
cc -c -I. -I.    -O2 -pipe -DCOLORS256 -fno-strict-aliasing kmapdef.c
cc  -o screen screen.o ansi.o fileio.o mark.o misc.o resize.o socket.o  search.o tty.o term.o window.o utmp.o loadav.o putenv.o help.o  termcap.o input.o attacher.o pty.o process.o display.o comm.o  kmapdef.o acls.o braille.o braille_tsi.o logfile.o layer.o  sched.o teln.o nethack.o encoding.o -ltermcap  -lelf -lutil -lutempter -lutil -lcrypt
===>  Staging for screen-4.0.3_14
===>   Generating temporary packing list
./etc/mkinstalldirs /usr/ports/sysutils/screen/work/stage/usr/local/bin /usr/ports/sysutils/screen/work/stage`sed < config.h -n -e '/define SCREENENCODINGS/s/^.*"\([^"]*\)"/\1/p'`
mkdir /usr/ports/sysutils/screen/work/stage/usr/local/share/screen
mkdir /usr/ports/sysutils/screen/work/stage/usr/local/share/screen/utf8encodings
cd doc ; /usr/bin/make  installdirs
./../etc/mkinstalldirs /usr/ports/sysutils/screen/work/stage/usr/local/man/man1
install  -s -o root -g wheel -m 555 screen /usr/ports/sysutils/screen/work/stage/usr/local/bin/screen
chown root:wheel /usr/ports/sysutils/screen/work/stage/usr/local/bin/screen && chmod 4755 /usr/ports/sysutils/screen/work/stage/usr/local/bin/screen
cp ./utf8encodings/?? /usr/ports/sysutils/screen/work/stage`sed < config.h -n -e '/define SCREENENCODINGS/s/^.*"\([^"]*\)"/\1/p'`
cd doc ; /usr/bin/make  install
./../etc/mkinstalldirs /usr/ports/sysutils/screen/work/stage/usr/local/man/man1
install  -o root -g wheel -m 444 ./screen.1 /usr/ports/sysutils/screen/work/stage/usr/local/man/man1/screen.1
if [ -d /usr/lib/terminfo ]; then  PATH="$PATH:/usr/5bin" tic ./terminfo/screeninfo.src;  chmod 644 /usr/lib/terminfo/s/screen*;  fi
termcap entry (./terminfo/screencap) should be installed manually.
You may also want to install ./etc/etcscreenrc in /usr/local/etc/screenrc
====> Compressing man pages (compress-man)
===>  Installing for screen-4.0.3_14
===>  Checking if sysutils/screen already installed
===>   Registering installation for screen-4.0.3_14
Installing screen-4.0.3_14... done
===> SECURITY REPORT:
      This port has installed the following binaries which execute with
      increased privileges.
/usr/local/bin/screen

      If there are vulnerabilities in these programs there may be a security
      risk to the system. FreeBSD makes no guarantee about the security of
      ports included in the Ports Collection. Please type 'make deinstall'
      to deinstall the port if this is a concern.

      For more information, and contact details about the security
      status of this software, see the following webpage:
http://www.gnu.org/software/screen/
===>  Cleaning for screen-4.0.3_14