===>  Configuring for synth-1.70
===>  Building for synth-1.70
(cd /usr/ports/ports-mgmt/synth/work/synth-1.70/src && /usr/bin/env NCURSES_LINK=static PATH=/usr/local/gcc6-aux/bin:/usr/local/libexec/ccache:/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/bin:/usr/local/sbin  ADA_PROJECT_PATH=/usr/local/lib/gnat XDG_DATA_HOME=/usr/ports/ports-mgmt/synth/work  XDG_CONFIG_HOME=/usr/ports/ports-mgmt/synth/work  HOME=/usr/ports/ports-mgmt/synth/work TMPDIR="/tmp" NO_PIE=yes MK_DEBUG_FILES=no MK_KERNEL_SYMBOLS=no SHELL=/bin/sh NO_LINT=YES PREFIX=/usr/local  LOCALBASE=/usr/local  LIBDIR="/usr/lib"  CC="ada" CFLAGS="-O2 -pipe -march=ivybridge  -fstack-protector -fno-strict-aliasing"  CPP="cpp" CPPFLAGS=""  LDFLAGS=" -fstack-protector" LIBS=""  CXX="c++" CXXFLAGS="-O2 -pipe -march=ivybridge -fstack-protector -fno-strict-aliasing "  MANPREFIX="/usr/local" CCACHE_DIR="/var/cache/ccache" BSD_INSTALL_PROGRAM="install  -s -m 555"  BSD_INSTALL_LIB="install  -s -m 0644"  BSD_INSTALL_SCRIPT="install  -m 555"  BSD_INSTALL_DATA="install  -m 0644"  BSD_INSTALL_MAN="install  -m 444"  gcc -c unix_core.c -o ../build/unix_core.o)
In file included from unix_core.c:13:0:
/usr/local/gcc6-aux/lib/gcc/x86_64-aux-freebsd11.0/6.3.1/include-fixed/sys/types.h:266:9: error: unknown type name '__vm_ooffset_t'
 typedef __vm_ooffset_t vm_ooffset_t;
         ^~~~~~~~~~~~~~
/usr/local/gcc6-aux/lib/gcc/x86_64-aux-freebsd11.0/6.3.1/include-fixed/sys/types.h:268:9: error: unknown type name '__vm_pindex_t'
 typedef __vm_pindex_t vm_pindex_t;
         ^~~~~~~~~~~~~
*** Error code 1

Stop.
make[1]: stopped in /usr/ports/ports-mgmt/synth
*** Error code 1

Stop.
make: stopped in /usr/ports/ports-mgmt/synth