net-misc:vtun-3.0.3:20160101-100848.log

net-misc:vtun-3.0.3:20160101-100848.log (text/plain), 21.35 KB, created by Toralf Förster on 2016-01-01 10:20:52 UTC

 * Package:    net-misc/vtun-3.0.3
 * Repository: gentoo
 * Maintainer: [e-mail]
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux ssl userland_GNU zlib
 * FEATURES:   preserve-libs sandbox userpriv usersandbox
 * Determining the location of the kernel source code
 * Found kernel source directory:
 *     /usr/src/linux
 * Found kernel object directory:
 *     /lib/modules/4.3.3-gentoo/build
 * Found sources for kernel version:
 *     4.3.3-gentoo
 * Checking for suitable kernel configuration options...
 *   CONFIG_TUN:	 is not set when it should be.
 * Please check to make sure these options are set correctly.
 * Failure to do so may cause unexpected problems.
>>> Unpacking source...
>>> Unpacking vtun-3.0.3.tar.gz to /var/tmp/portage/net-misc/vtun-3.0.3/work
>>> Source unpacked in /var/tmp/portage/net-misc/vtun-3.0.3/work
>>> Preparing source in /var/tmp/portage/net-misc/vtun-3.0.3/work/vtun-3.0.3 ...
 * Applying vtun-3.0.3-includes.patch ...
 [ ok ]
 * Applying vtun-3.0.2-remove-config-presence-check.patch ...
 [ ok ]
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/net-misc/vtun-3.0.3/work/vtun-3.0.3 ...
 * econf: updating vtun-3.0.3/config.sub with /usr/share/gnuconfig/config.sub
 * econf: updating vtun-3.0.3/config.guess with /usr/share/gnuconfig/config.guess
./configure --prefix=/usr --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share --sysconfdir=/etc --localstatedir=/var/lib --libdir=/usr/lib64 --enable-ssl --enable-zlib --disable-lzo --disable-socks --enable-shaper
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
checking target system type... x86_64-pc-linux-gnu
checking for bison... bison -y
checking for x86_64-pc-linux-gnu-gcc... x86_64-pc-linux-gnu-gcc
checking for C compiler default output file name... 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 x86_64-pc-linux-gnu-gcc accepts -g... yes
checking for x86_64-pc-linux-gnu-gcc option to accept ANSI C... none needed
checking for flex... flex
checking for yywrap in -lfl... yes
checking lex output file root... lex.yy
checking whether yytext is a pointer... yes
checking for x86_64-pc-linux-gnu-gcc... (cached) x86_64-pc-linux-gnu-gcc
checking whether we are using the GNU C compiler... (cached) yes
checking whether x86_64-pc-linux-gnu-gcc accepts -g... (cached) yes
checking for x86_64-pc-linux-gnu-gcc option to accept ANSI C... (cached) none needed
checking for a BSD-compatible install... /usr/lib/portage/python2.7/ebuild-helpers/xattr/install -c
checking for an ANSI C-conforming const... yes
checking for inline... inline
checking how to run the C preprocessor... x86_64-pc-linux-gnu-gcc -E
checking for egrep... grep -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking sys/resource.h usability... yes
checking sys/resource.h presence... yes
checking for sys/resource.h... yes
checking netdb.h usability... yes
checking netdb.h presence... yes
checking for netdb.h... yes
checking sched.h usability... yes
checking sched.h presence... yes
checking for sched.h... yes
checking resolv.h usability... yes
checking resolv.h presence... yes
checking for resolv.h... yes
checking arpa/inet.h usability... yes
checking arpa/inet.h presence... yes
checking for arpa/inet.h... yes
checking netinet/ip.h usability... yes
checking netinet/ip.h presence... yes
checking for netinet/ip.h... yes
checking netinet/in.h usability... yes
checking netinet/in.h presence... yes
checking for netinet/in.h... yes
checking netinet/tcp.h usability... yes
checking netinet/tcp.h presence... yes
checking for netinet/tcp.h... yes
checking netinet/in_systm.h usability... yes
checking netinet/in_systm.h presence... yes
checking for netinet/in_systm.h... yes
checking libutil.h usability... no
checking libutil.h presence... no
checking for libutil.h... no
checking sys/sockio.h usability... no
checking sys/sockio.h presence... no
checking for sys/sockio.h... no
checking for library containing socket... none required
checking for library containing inet_ntoa... none required
checking for library containing gethostbyname... none required
checking for library containing nanosleep... none required
checking for library containing setproctitle... -lbsd

configure: checking for ZLIB Library and Header files ... ...
checking for deflate in -lz... yes

configure: checking for md5 Library and Header files ... ...
checking "for md5.h"... (/usr/include/openssl) yes 

configure: checking for blowfish Library and Header files ... ...
checking "for blowfish.h"... (/usr/include/openssl) yes 
checking for BF_set_key in -lcrypto... yes

configure: checking for AES Library and Header files ... ...
checking "for aes.h"... (/usr/include/openssl) yes 
checking for AES_set_encrypt_key in -lcrypto... yes

configure: checking for EVP Library and Header files ... ...
checking "for evp.h"... (/usr/include/openssl) yes 
checking for EVP_EncryptInit in -lcrypto... yes

checking for getpt... yes
checking for grantpt... yes
checking for unlockpt... yes
checking for ptsname... yes
checking linux/if_tun.h usability... yes
checking linux/if_tun.h presence... yes
checking for linux/if_tun.h... yes
creating driver and protocol links ... 
linking linux/tun_dev.c  to  tun_dev.c
linking linux/tap_dev.c  to  tap_dev.c
linking generic/pty_dev.c  to  pty_dev.c
linking generic/pipe_dev.c  to  pipe_dev.c
linking generic/tcp_proto.c  to  tcp_proto.c
linking generic/udp_proto.c  to  udp_proto.c

configure: creating ./config.status
config.status: creating Makefile
config.status: creating config.h
>>> Source configured.
>>> Compiling source in /var/tmp/portage/net-misc/vtun-3.0.3/work/vtun-3.0.3 ...
make -j1 
x86_64-pc-linux-gnu-gcc -march=native -O2 -pipe  -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -DVTUN_CONFIG_FILE=\"/etc/vtund.conf\" -DVTUN_PID_FILE=\"/var/lib/run/vtund.pid\" -DVTUN_STAT_DIR=\"/var/lib/log/vtund\" -DVTUN_LOCK_DIR=\"/var/lib/lock/vtund\" -c main.c
In file included from main.c:38:0:
vtun.h:234:13: warning: inline function ‘clear_nat_hack_flags’ declared but never defined
 inline void clear_nat_hack_flags(int svr);
             ^
main.c: In function ‘main’:
main.c:186:12: warning: ignoring return value of ‘dup’, declared with attribute warn_unused_result [-Wunused-result]
  close(0); dup(fd);
            ^
main.c:187:12: warning: ignoring return value of ‘dup’, declared with attribute warn_unused_result [-Wunused-result]
  close(1); dup(fd);
            ^
main.c:188:19: warning: ignoring return value of ‘dup’, declared with attribute warn_unused_result [-Wunused-result]
         close(2); dup(fd);
                   ^
main.c:193:2: warning: ignoring return value of ‘chdir’, declared with attribute warn_unused_result [-Wunused-result]
  chdir("/");
  ^
bison -y -d -b cfg_file cfg_file.y
x86_64-pc-linux-gnu-gcc -march=native -O2 -pipe  -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -DVTUN_CONFIG_FILE=\"/etc/vtund.conf\" -DVTUN_PID_FILE=\"/var/lib/run/vtund.pid\" -DVTUN_STAT_DIR=\"/var/lib/log/vtund\" -DVTUN_LOCK_DIR=\"/var/lib/lock/vtund\" -c cfg_file.tab.c
cfg_file.tab.c: In function ‘yyparse’:
cfg_file.tab.c:2119:18: warning: passing argument 1 of ‘yyerror’ discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
         yyerror (yymsgp);
                  ^
cfg_file.y:61:5: note: expected ‘char *’ but argument is of type ‘const char *’
 int yyerror(char *s); 
     ^
flex -t  cfg_file.l > cfg_file.lex.c 
x86_64-pc-linux-gnu-gcc -march=native -O2 -pipe  -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -DVTUN_CONFIG_FILE=\"/etc/vtund.conf\" -DVTUN_PID_FILE=\"/var/lib/run/vtund.pid\" -DVTUN_STAT_DIR=\"/var/lib/log/vtund\" -DVTUN_LOCK_DIR=\"/var/lib/lock/vtund\" -c cfg_file.lex.c
In file included from cfg_file.l:28:0:
vtun.h:234:13: warning: inline function ‘clear_nat_hack_flags’ declared but never defined
 inline void clear_nat_hack_flags(int svr);
             ^
x86_64-pc-linux-gnu-gcc -march=native -O2 -pipe  -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -DVTUN_CONFIG_FILE=\"/etc/vtund.conf\" -DVTUN_PID_FILE=\"/var/lib/run/vtund.pid\" -DVTUN_STAT_DIR=\"/var/lib/log/vtund\" -DVTUN_LOCK_DIR=\"/var/lib/lock/vtund\" -c server.c
In file included from server.c:47:0:
server.c: In function ‘listener’:
lib.h:40:21: warning: implicit declaration of function ‘setproctitle’ [-Wimplicit-function-declaration]
   #define set_title setproctitle
                     ^
server.c:155:6: note: in expansion of macro ‘set_title’
      set_title("waiting for connections on port %d", vtun.bind_addr.port);
      ^
In file included from server.c:46:0:
server.c: At top level:
vtun.h:234:13: warning: inline function ‘clear_nat_hack_flags’ declared but never defined
 inline void clear_nat_hack_flags(int svr);
             ^
x86_64-pc-linux-gnu-gcc -march=native -O2 -pipe  -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -DVTUN_CONFIG_FILE=\"/etc/vtund.conf\" -DVTUN_PID_FILE=\"/var/lib/run/vtund.pid\" -DVTUN_STAT_DIR=\"/var/lib/log/vtund\" -DVTUN_LOCK_DIR=\"/var/lib/lock/vtund\" -c client.c
In file included from client.c:43:0:
client.c: In function ‘client’:
lib.h:40:21: warning: implicit declaration of function ‘setproctitle’ [-Wimplicit-function-declaration]
   #define set_title setproctitle
                     ^
client.c:90:2: note: in expansion of macro ‘set_title’
  set_title("%s init initializing", host->host);
  ^
In file included from client.c:42:0:
client.c: At top level:
vtun.h:234:13: warning: inline function ‘clear_nat_hack_flags’ declared but never defined
 inline void clear_nat_hack_flags(int svr);
             ^
x86_64-pc-linux-gnu-gcc -march=native -O2 -pipe  -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -DVTUN_CONFIG_FILE=\"/etc/vtund.conf\" -DVTUN_PID_FILE=\"/var/lib/run/vtund.pid\" -DVTUN_STAT_DIR=\"/var/lib/log/vtund\" -DVTUN_LOCK_DIR=\"/var/lib/lock/vtund\" -c lib.c
In file included from lib.c:39:0:
vtun.h:234:13: warning: inline function ‘clear_nat_hack_flags’ declared but never defined
 inline void clear_nat_hack_flags(int svr);
             ^
x86_64-pc-linux-gnu-gcc -march=native -O2 -pipe  -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -DVTUN_CONFIG_FILE=\"/etc/vtund.conf\" -DVTUN_PID_FILE=\"/var/lib/run/vtund.pid\" -DVTUN_STAT_DIR=\"/var/lib/log/vtund\" -DVTUN_LOCK_DIR=\"/var/lib/lock/vtund\" -c llist.c
x86_64-pc-linux-gnu-gcc -march=native -O2 -pipe  -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -DVTUN_CONFIG_FILE=\"/etc/vtund.conf\" -DVTUN_PID_FILE=\"/var/lib/run/vtund.pid\" -DVTUN_STAT_DIR=\"/var/lib/log/vtund\" -DVTUN_LOCK_DIR=\"/var/lib/lock/vtund\" -c auth.c
In file included from auth.c:54:0:
auth.c: In function ‘auth_server’:
lib.h:40:21: warning: implicit declaration of function ‘setproctitle’ [-Wimplicit-function-declaration]
   #define set_title setproctitle
                     ^
auth.c:326:9: note: in expansion of macro ‘set_title’
         set_title("authentication");
         ^
In file included from auth.c:53:0:
auth.c: At top level:
vtun.h:234:13: warning: inline function ‘clear_nat_hack_flags’ declared but never defined
 inline void clear_nat_hack_flags(int svr);
             ^
x86_64-pc-linux-gnu-gcc -march=native -O2 -pipe  -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -DVTUN_CONFIG_FILE=\"/etc/vtund.conf\" -DVTUN_PID_FILE=\"/var/lib/run/vtund.pid\" -DVTUN_STAT_DIR=\"/var/lib/log/vtund\" -DVTUN_LOCK_DIR=\"/var/lib/lock/vtund\" -c tunnel.c
In file included from tunnel.c:55:0:
tunnel.c: In function ‘tunnel’:
lib.h:40:21: warning: implicit declaration of function ‘setproctitle’ [-Wimplicit-function-declaration]
   #define set_title setproctitle
                     ^
tunnel.c:185:5: note: in expansion of macro ‘set_title’
     set_title("%s running up commands", host->host);
     ^
In file included from tunnel.c:53:0:
tunnel.c: At top level:
vtun.h:234:13: warning: inline function ‘clear_nat_hack_flags’ declared but never defined
 inline void clear_nat_hack_flags(int svr);
             ^
tunnel.c: In function ‘tunnel’:
tunnel.c:171:17: warning: ignoring return value of ‘dup’, declared with attribute warn_unused_result [-Wunused-result]
       close(0); dup(fd[1]);
                 ^
tunnel.c:172:17: warning: ignoring return value of ‘dup’, declared with attribute warn_unused_result [-Wunused-result]
       close(1); dup(fd[1]);
                 ^
tunnel.c:176:17: warning: ignoring return value of ‘dup’, declared with attribute warn_unused_result [-Wunused-result]
       close(2); dup(null_fd);
                 ^
x86_64-pc-linux-gnu-gcc -march=native -O2 -pipe  -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -DVTUN_CONFIG_FILE=\"/etc/vtund.conf\" -DVTUN_PID_FILE=\"/var/lib/run/vtund.pid\" -DVTUN_STAT_DIR=\"/var/lib/log/vtund\" -DVTUN_LOCK_DIR=\"/var/lib/lock/vtund\" -c lock.c
In file included from lock.c:37:0:
vtun.h:234:13: warning: inline function ‘clear_nat_hack_flags’ declared but never defined
 inline void clear_nat_hack_flags(int svr);
             ^
x86_64-pc-linux-gnu-gcc -march=native -O2 -pipe  -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -DVTUN_CONFIG_FILE=\"/etc/vtund.conf\" -DVTUN_PID_FILE=\"/var/lib/run/vtund.pid\" -DVTUN_STAT_DIR=\"/var/lib/log/vtund\" -DVTUN_LOCK_DIR=\"/var/lib/lock/vtund\" -c netlib.c
In file included from netlib.c:74:0:
vtun.h:234:13: warning: inline function ‘clear_nat_hack_flags’ declared but never defined
 inline void clear_nat_hack_flags(int svr);
             ^
x86_64-pc-linux-gnu-gcc -march=native -O2 -pipe  -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -DVTUN_CONFIG_FILE=\"/etc/vtund.conf\" -DVTUN_PID_FILE=\"/var/lib/run/vtund.pid\" -DVTUN_STAT_DIR=\"/var/lib/log/vtund\" -DVTUN_LOCK_DIR=\"/var/lib/lock/vtund\" -c tun_dev.c
In file included from tun_dev.c:37:0:
vtun.h:234:13: warning: inline function ‘clear_nat_hack_flags’ declared but never defined
 inline void clear_nat_hack_flags(int svr);
             ^
x86_64-pc-linux-gnu-gcc -march=native -O2 -pipe  -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -DVTUN_CONFIG_FILE=\"/etc/vtund.conf\" -DVTUN_PID_FILE=\"/var/lib/run/vtund.pid\" -DVTUN_STAT_DIR=\"/var/lib/log/vtund\" -DVTUN_LOCK_DIR=\"/var/lib/lock/vtund\" -c tap_dev.c
x86_64-pc-linux-gnu-gcc -march=native -O2 -pipe  -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -DVTUN_CONFIG_FILE=\"/etc/vtund.conf\" -DVTUN_PID_FILE=\"/var/lib/run/vtund.pid\" -DVTUN_STAT_DIR=\"/var/lib/log/vtund\" -DVTUN_LOCK_DIR=\"/var/lib/lock/vtund\" -c pty_dev.c
In file included from pty_dev.c:32:0:
vtun.h:234:13: warning: inline function ‘clear_nat_hack_flags’ declared but never defined
 inline void clear_nat_hack_flags(int svr);
             ^
x86_64-pc-linux-gnu-gcc -march=native -O2 -pipe  -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -DVTUN_CONFIG_FILE=\"/etc/vtund.conf\" -DVTUN_PID_FILE=\"/var/lib/run/vtund.pid\" -DVTUN_STAT_DIR=\"/var/lib/log/vtund\" -DVTUN_LOCK_DIR=\"/var/lib/lock/vtund\" -c pipe_dev.c
In file included from pipe_dev.c:33:0:
vtun.h:234:13: warning: inline function ‘clear_nat_hack_flags’ declared but never defined
 inline void clear_nat_hack_flags(int svr);
             ^
x86_64-pc-linux-gnu-gcc -march=native -O2 -pipe  -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -DVTUN_CONFIG_FILE=\"/etc/vtund.conf\" -DVTUN_PID_FILE=\"/var/lib/run/vtund.pid\" -DVTUN_STAT_DIR=\"/var/lib/log/vtund\" -DVTUN_LOCK_DIR=\"/var/lib/lock/vtund\" -c tcp_proto.c
In file included from tcp_proto.c:54:0:
vtun.h:234:13: warning: inline function ‘clear_nat_hack_flags’ declared but never defined
 inline void clear_nat_hack_flags(int svr);
             ^
x86_64-pc-linux-gnu-gcc -march=native -O2 -pipe  -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -DVTUN_CONFIG_FILE=\"/etc/vtund.conf\" -DVTUN_PID_FILE=\"/var/lib/run/vtund.pid\" -DVTUN_STAT_DIR=\"/var/lib/log/vtund\" -DVTUN_LOCK_DIR=\"/var/lib/lock/vtund\" -c udp_proto.c
In file included from udp_proto.c:56:0:
vtun.h:234:13: warning: inline function ‘clear_nat_hack_flags’ declared but never defined
 inline void clear_nat_hack_flags(int svr);
             ^
x86_64-pc-linux-gnu-gcc -march=native -O2 -pipe  -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -DVTUN_CONFIG_FILE=\"/etc/vtund.conf\" -DVTUN_PID_FILE=\"/var/lib/run/vtund.pid\" -DVTUN_STAT_DIR=\"/var/lib/log/vtund\" -DVTUN_LOCK_DIR=\"/var/lib/lock/vtund\" -c linkfd.c
In file included from linkfd.c:48:0:
vtun.h:234:13: warning: inline function ‘clear_nat_hack_flags’ declared but never defined
 inline void clear_nat_hack_flags(int svr);
             ^
x86_64-pc-linux-gnu-gcc -march=native -O2 -pipe  -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -DVTUN_CONFIG_FILE=\"/etc/vtund.conf\" -DVTUN_PID_FILE=\"/var/lib/run/vtund.pid\" -DVTUN_STAT_DIR=\"/var/lib/log/vtund\" -DVTUN_LOCK_DIR=\"/var/lib/lock/vtund\" -c lfd_shaper.c
In file included from lfd_shaper.c:32:0:
vtun.h:234:13: warning: inline function ‘clear_nat_hack_flags’ declared but never defined
 inline void clear_nat_hack_flags(int svr);
             ^
x86_64-pc-linux-gnu-gcc -march=native -O2 -pipe  -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -DVTUN_CONFIG_FILE=\"/etc/vtund.conf\" -DVTUN_PID_FILE=\"/var/lib/run/vtund.pid\" -DVTUN_STAT_DIR=\"/var/lib/log/vtund\" -DVTUN_LOCK_DIR=\"/var/lib/lock/vtund\" -c lfd_zlib.c
In file included from lfd_zlib.c:32:0:
vtun.h:234:13: warning: inline function ‘clear_nat_hack_flags’ declared but never defined
 inline void clear_nat_hack_flags(int svr);
             ^
x86_64-pc-linux-gnu-gcc -march=native -O2 -pipe  -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -DVTUN_CONFIG_FILE=\"/etc/vtund.conf\" -DVTUN_PID_FILE=\"/var/lib/run/vtund.pid\" -DVTUN_STAT_DIR=\"/var/lib/log/vtund\" -DVTUN_LOCK_DIR=\"/var/lib/lock/vtund\" -c lfd_lzo.c
In file included from lfd_lzo.c:32:0:
vtun.h:234:13: warning: inline function ‘clear_nat_hack_flags’ declared but never defined
 inline void clear_nat_hack_flags(int svr);
             ^
x86_64-pc-linux-gnu-gcc -march=native -O2 -pipe  -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -DVTUN_CONFIG_FILE=\"/etc/vtund.conf\" -DVTUN_PID_FILE=\"/var/lib/run/vtund.pid\" -DVTUN_STAT_DIR=\"/var/lib/log/vtund\" -DVTUN_LOCK_DIR=\"/var/lib/lock/vtund\" -c lfd_encrypt.c
In file included from lfd_encrypt.c:49:0:
vtun.h:234:13: warning: inline function ‘clear_nat_hack_flags’ declared but never defined
 inline void clear_nat_hack_flags(int svr);
             ^
x86_64-pc-linux-gnu-gcc -march=native -O2 -pipe  -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -DVTUN_CONFIG_FILE=\"/etc/vtund.conf\" -DVTUN_PID_FILE=\"/var/lib/run/vtund.pid\" -DVTUN_STAT_DIR=\"/var/lib/log/vtund\" -DVTUN_LOCK_DIR=\"/var/lib/lock/vtund\" -c lfd_legacy_encrypt.c
In file included from lfd_legacy_encrypt.c:46:0:
vtun.h:234:13: warning: inline function ‘clear_nat_hack_flags’ declared but never defined
 inline void clear_nat_hack_flags(int svr);
             ^
x86_64-pc-linux-gnu-gcc -march=native -O2 -pipe  -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -I/usr/include/openssl -o vtund main.o cfg_file.tab.o cfg_file.lex.o server.o client.o lib.o llist.o auth.o tunnel.o lock.o netlib.o tun_dev.o tap_dev.o pty_dev.o pipe_dev.o tcp_proto.o udp_proto.o linkfd.o lfd_shaper.o lfd_zlib.o lfd_lzo.o lfd_encrypt.o lfd_legacy_encrypt.o  -Wl,-O1 -Wl,--as-needed -Wl,-O1 -Wl,--as-needed -lbsd  -lz -lcrypto
main.o: In function `main':
main.c:(.text.startup+0x33d): undefined reference to `clear_nat_hack_flags'
collect2: error: ld returned 1 exit status
Makefile:62: recipe for target 'vtund' failed
make: *** [vtund] Error 1
 * ERROR: net-misc/vtun-3.0.3::gentoo failed (compile phase):
 *   emake failed
 * 
 * If you need support, post the output of `emerge --info '=net-misc/vtun-3.0.3::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=net-misc/vtun-3.0.3::gentoo'`.
 * The complete build log is located at '/var/log/portage/net-misc:vtun-3.0.3:20160101-100848.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/net-misc/vtun-3.0.3/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/net-misc/vtun-3.0.3/temp/environment'.
 * Working directory: '/var/tmp/portage/net-misc/vtun-3.0.3/work/vtun-3.0.3'
 * S: '/var/tmp/portage/net-misc/vtun-3.0.3/work/vtun-3.0.3'