>>> vtun 3.0.4 Downloading
wget --passive-ftp -nd -t 3 --no-check-certificate -O '/tmp/instance-1/output-1/build/.vtun-3.0.4.tar.gz.9ucd4m/output' 'http://downloads.sourceforge.net/project/vtun/vtun/3.0.4/vtun-3.0.4.tar.gz' 
--2021-06-08 17:59:56--  http://downloads.sourceforge.net/project/vtun/vtun/3.0.4/vtun-3.0.4.tar.gz
Resolving downloads.sourceforge.net (downloads.sourceforge.net)... 216.105.38.13
Connecting to downloads.sourceforge.net (downloads.sourceforge.net)|216.105.38.13|:80... connected.
HTTP request sent, awaiting response... 302 Found
Location: https://cfhcable.dl.sourceforge.net/project/vtun/vtun/3.0.4/vtun-3.0.4.tar.gz [following]
--2021-06-08 17:59:56--  https://cfhcable.dl.sourceforge.net/project/vtun/vtun/3.0.4/vtun-3.0.4.tar.gz
Resolving cfhcable.dl.sourceforge.net (cfhcable.dl.sourceforge.net)... 146.71.73.6
Connecting to cfhcable.dl.sourceforge.net (cfhcable.dl.sourceforge.net)|146.71.73.6|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 132691 (130K) [application/x-gzip]
Saving to: '/tmp/instance-1/output-1/build/.vtun-3.0.4.tar.gz.9ucd4m/output'

     0K .......... .......... .......... .......... .......... 38%  994K 0s
    50K .......... .......... .......... .......... .......... 77% 1007K 0s
   100K .......... .......... .........                       100% 46.7M=0.1s

2021-06-08 17:59:56 (1.26 MB/s) - '/tmp/instance-1/output-1/build/.vtun-3.0.4.tar.gz.9ucd4m/output' saved [132691/132691]

vtun-3.0.4.tar.gz: OK (md5: f952c5895ae8f40235aaad9a8f41a4bd)
vtun-3.0.4.tar.gz: OK (sha1: 2335c21b56fadf9ce851dd7f342fb0ed4f522c47)
vtun-3.0.4.tar.gz: OK (sha256: abf8df6b15e3febeaaeae2ce24ead7105eb1537ad4ec0d830c83cbb684fd98b9)
>>> vtun 3.0.4 Extracting
gzip -d -c /tmp/instance-1/dl/vtun/vtun-3.0.4.tar.gz | tar --strip-components=1 -C /tmp/instance-1/output-1/build/vtun-3.0.4   -xf -
>>> vtun 3.0.4 Patching

Applying 0001-fix-installation.patch using patch: 
patching file Makefile.in

Applying 0002-fix-ssl-headers-checks.patch using patch: 
patching file configure.in
Hunk #1 succeeded at 169 (offset 3 lines).
Hunk #2 succeeded at 179 (offset 3 lines).
Hunk #3 succeeded at 196 with fuzz 1 (offset 3 lines).
Hunk #4 succeeded at 211 with fuzz 1 (offset 3 lines).

Applying 0003-openssl11.patch using patch: 
patching file lfd_encrypt.c
>>> vtun 3.0.4 Updating config.sub and config.guess
for file in config.guess config.sub; do for i in $(find /tmp/instance-1/output-1/build/vtun-3.0.4 -name $file); do cp support/gnuconfig/$file $i; done; done
>>> vtun 3.0.4 Configuring
>>> vtun 3.0.4 Autoreconfiguring
>>> vtun 3.0.4 Patching libtool
(cd /tmp/instance-1/output-1/build/vtun-3.0.4/ && rm -rf config.cache && PATH="/tmp/instance-1/output-1/host/bin:/tmp/instance-1/output-1/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin" AR="/tmp/instance-1/output-1/host/bin/mips64el-linux-ar" AS="/tmp/instance-1/output-1/host/bin/mips64el-linux-as" LD="/tmp/instance-1/output-1/host/bin/mips64el-linux-ld" NM="/tmp/instance-1/output-1/host/bin/mips64el-linux-nm" CC="/tmp/instance-1/output-1/host/bin/mips64el-linux-gcc" GCC="/tmp/instance-1/output-1/host/bin/mips64el-linux-gcc" CPP="/tmp/instance-1/output-1/host/bin/mips64el-linux-cpp" CXX="/tmp/instance-1/output-1/host/bin/mips64el-linux-g++" FC="/tmp/instance-1/output-1/host/bin/mips64el-linux-gfortran" F77="/tmp/instance-1/output-1/host/bin/mips64el-linux-gfortran" RANLIB="/tmp/instance-1/output-1/host/bin/mips64el-linux-ranlib" READELF="/tmp/instance-1/output-1/host/bin/mips64el-linux-readelf" STRIP="/tmp/instance-1/output-1/host/bin/mips64el-linux-strip" OBJCOPY="/tmp/instance-1/output-1/host/bin/mips64el-linux-objcopy" OBJDUMP="/tmp/instance-1/output-1/host/bin/mips64el-linux-objdump" AR_FOR_BUILD="/usr/bin/ar" AS_FOR_BUILD="/usr/bin/as" CC_FOR_BUILD="/usr/bin/gcc" GCC_FOR_BUILD="/usr/bin/gcc" CXX_FOR_BUILD="/usr/bin/g++" LD_FOR_BUILD="/usr/bin/ld" CPPFLAGS_FOR_BUILD="-I/tmp/instance-1/output-1/host/include" CFLAGS_FOR_BUILD="-O2 -I/tmp/instance-1/output-1/host/include" CXXFLAGS_FOR_BUILD="-O2 -I/tmp/instance-1/output-1/host/include" LDFLAGS_FOR_BUILD="-L/tmp/instance-1/output-1/host/lib -Wl,-rpath,/tmp/instance-1/output-1/host/lib" FCFLAGS_FOR_BUILD="" DEFAULT_ASSEMBLER="/tmp/instance-1/output-1/host/bin/mips64el-linux-as" DEFAULT_LINKER="/tmp/instance-1/output-1/host/bin/mips64el-linux-ld" CPPFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64" CFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os -g0 -DNDEBUG -D_FORTIFY_SOURCE=1" CXXFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os -g0 -DNDEBUG -D_FORTIFY_SOURCE=1" LDFLAGS="" FCFLAGS=" -Os -g0 -DNDEBUG" FFLAGS=" -Os -g0 -DNDEBUG" PKG_CONFIG="/tmp/instance-1/output-1/host/bin/pkg-config" STAGING_DIR="/tmp/instance-1/output-1/host/mips64el-buildroot-linux-gnu/sysroot" INTLTOOL_PERL=/usr/bin/perl ac_cv_lbl_unaligned_fail=yes ac_cv_func_mmap_fixed_mapped=yes ac_cv_func_memcmp_working=yes ac_cv_have_decl_malloc=yes gl_cv_func_malloc_0_nonnull=yes ac_cv_func_malloc_0_nonnull=yes ac_cv_func_calloc_0_nonnull=yes ac_cv_func_realloc_0_nonnull=yes lt_cv_sys_lib_search_path_spec="" ac_cv_c_bigendian=no  CFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os -g0 -DNDEBUG -D_FORTIFY_SOURCE=1 -std=gnu89" LIBS=`/tmp/instance-1/output-1/host/bin/pkg-config --libs openssl` CONFIG_SITE=/dev/null ./configure --target=mips64el-buildroot-linux-gnu --host=mips64el-buildroot-linux-gnu --build=x86_64-pc-linux-gnu --prefix=/usr --exec-prefix=/usr --sysconfdir=/etc --localstatedir=/var --program-prefix="" --disable-gtk-doc --disable-gtk-doc-html --disable-doc --disable-docs --disable-documentation --with-xmlto=no --with-fop=no --disable-dependency-tracking --enable-ipv6 --enable-nls --disable-static --enable-shared  --with-ssl-headers=/tmp/instance-1/output-1/host/mips64el-buildroot-linux-gnu/sysroot/usr/include/openssl --with-lzo-headers=/tmp/instance-1/output-1/host/mips64el-buildroot-linux-gnu/sysroot/usr/include/lzo --with-lzo-lib=/tmp/instance-1/output-1/host/mips64el-buildroot-linux-gnu/sysroot/usr/lib )
configure: WARNING: unrecognized options: --disable-gtk-doc, --disable-gtk-doc-html, --disable-doc, --disable-docs, --disable-documentation, --with-xmlto, --with-fop, --disable-dependency-tracking, --enable-ipv6, --enable-nls, --disable-static, --enable-shared
checking build system type... x86_64-pc-linux-gnu
checking host system type... mips64el-buildroot-linux-gnu
checking target system type... mips64el-buildroot-linux-gnu
checking for bison... bison -y
checking for mips64el-buildroot-linux-gnu-gcc... /tmp/instance-1/output-1/host/bin/mips64el-linux-gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... yes
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether /tmp/instance-1/output-1/host/bin/mips64el-linux-gcc accepts -g... yes
checking for /tmp/instance-1/output-1/host/bin/mips64el-linux-gcc option to accept ISO C89... none needed
checking for flex... flex
checking lex output file root... lex.yy
checking lex library... -lfl
checking whether yytext is a pointer... yes
checking for mips64el-buildroot-linux-gnu-gcc... (cached) /tmp/instance-1/output-1/host/bin/mips64el-linux-gcc
checking whether we are using the GNU C compiler... (cached) yes
checking whether /tmp/instance-1/output-1/host/bin/mips64el-linux-gcc accepts -g... (cached) yes
checking for /tmp/instance-1/output-1/host/bin/mips64el-linux-gcc option to accept ISO C89... (cached) none needed
checking for a BSD-compatible install... /usr/bin/install -c
checking for an ANSI C-conforming const... yes
checking for inline... inline
checking how to run the C preprocessor... /tmp/instance-1/output-1/host/bin/mips64el-linux-cpp
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/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... no
checking for pid_t... yes
checking vfork.h usability... no
checking vfork.h presence... no
checking for vfork.h... no
checking for fork... yes
checking for vfork... yes
checking for working fork... cross
configure: WARNING: result yes guessed because of cross compilation
checking for working vfork... (cached) yes

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

configure: checking for LZO Library and Header files ... ...
checking "for lzo_asm.h"... (/tmp/instance-1/output-1/host/mips64el-buildroot-linux-gnu/sysroot/usr/include/lzo) yes 
checking for lzo1x_decompress in -llzo2... yes

configure: checking for md5 Library and Header files ... ...
checking "for md5.h"... (/tmp/instance-1/output-1/host/mips64el-buildroot-linux-gnu/sysroot/usr/include/openssl) yes 

configure: checking for blowfish Library and Header files ... ...
checking "for blowfish.h"... (/tmp/instance-1/output-1/host/mips64el-buildroot-linux-gnu/sysroot/usr/include/openssl) yes 
checking for BF_set_key in -lcrypto... no
configure: error: SSL library not found. 
make: *** [package/pkg-generic.mk:240: /tmp/instance-1/output-1/build/vtun-3.0.4/.stamp_configured] Error 1
make: Leaving directory '/tmp/instance-1/buildroot'