=> Bootstrap dependency digest>=20010302: found digest-20111104
=> Bootstrap dependency fetch-[0-9]*: found fetch-1.7
WARNING: [license.mk] Every package should define a LICENSE.
=> Checksum SHA1 OK for tkgate-1.6i.tgz
=> Checksum RMD160 OK for tkgate-1.6i.tgz
===> Installing dependencies for tkgate-1.6inb4
=> Build dependency libiconv-[0-9]*: found libiconv-1.14nb2
=> Build dependency bison>=1.0: found bison-2.6.2
=> Build dependency imake-[0-9]*: found imake-1.0.5
=> Build dependency imake-[0-9]*: found imake-1.0.5
=> Build dependency kbproto>=1.0.2: found kbproto-1.0.6
=> Build dependency xproto>=7.0.9: found xproto-7.0.23
=> Build dependency xcb-proto>=1.4: found xcb-proto-1.7.1nb1
=> Build dependency checkperms>=1.1: found checkperms-1.11
=> Full dependency tk>=8.4.12nb1: found tk-8.4.18nb2
===> Overriding tools for tkgate-1.6inb4
===> Extracting for tkgate-1.6inb4
===> Patching for tkgate-1.6inb4
=> Applying pkgsrc patches for tkgate-1.6inb4
===> Creating toolchain wrappers for tkgate-1.6inb4
===> Configuring for tkgate-1.6inb4
=> Fixing paths in configuration files.
=> Checking for portability problems in extracted files
echo "Earth" > /tmp/pkgsrc/cad/tkgate/work/tkgate-1.6i/sitename.txt
( cd /tmp/pkgsrc/cad/tkgate/work/tkgate-1.6i && BUILDLINK_LDFLAGS=\ -L/usr/pkg/lib\ -Wl,-R/usr/pkg/lib\ -L/usr/lib64\ -Wl,-R/usr/lib64 LOCALBASE=/usr/pkg DL_CFLAGS= DL_LDFLAGS= DL_LIBS= PTHREAD_CFLAGS=\ -pthread\  PTHREAD_LDFLAGS=\ -pthread PTHREAD_LIBS=-lpthread\ -lrt PTHREADBASE=/usr INSTALL_INFO= MAKEINFO=/tmp/pkgsrc/cad/tkgate/work/.tools/bin/makeinfo FLEX= BISON=/tmp/pkgsrc/cad/tkgate/work/.tools/bin/bison PKG_CONFIG= PKG_CONFIG_LIBDIR=/tmp/pkgsrc/cad/tkgate/work/.buildlink/lib/pkgconfig:/tmp/pkgsrc/cad/tkgate/work/.buildlink/share/pkgconfig PKG_CONFIG_LOG=/tmp/pkgsrc/cad/tkgate/work/.pkg-config.log PKG_CONFIG_PATH= MAKE=make WRAPPER_DEBUG=no WRAPPER_UPDATE_CACHE=yes CC=gcc CFLAGS=-O3\ -pipe\ -fstack-protector\ -I/usr/pkg/include\ -I/usr/include CPPFLAGS=-I/usr/pkg/include\ -I/usr/include CXX=g++ CXXFLAGS=-O3\ -pipe\ -fstack-protector\ -I/usr/pkg/include\ -I/usr/include COMPILER_RPATH_FLAG=-Wl,-R F77=f77 FC=f77 FFLAGS=-O LANG=C LC_COLLATE=C LC_CTYPE=C LC_MESSAGES=C LC_MONETARY=C LC_NUMERIC=C LC_TIME=C LDFLAGS=-L/usr/pkg/lib\ -Wl,-R/usr/pkg/lib\ -L/usr/lib64\ -Wl,-R/usr/lib64 LINKER_RPATH_FLAG=-R PATH=/tmp/pkgsrc/cad/tkgate/work/.wrapper/bin:/tmp/pkgsrc/cad/tkgate/work/.buildlink/bin:/tmp/pkgsrc/cad/tkgate/work/.gcc/bin:/tmp/pkgsrc/cad/tkgate/work/.tools/bin:/usr/pkg/bin:/bin:/usr/bin:/usr/pkg/bin:/usr/pkg/bin PREFIX=/usr/pkg PKG_SYSCONFDIR=/usr/pkg/etc CXXCPP=cpp HOME=/tmp/pkgsrc/cad/tkgate/work/.home ./configure )
C compiler: gcc
Tcl/Tk Version: 8.4
Configuring for Western language support.
Tcl script files found in: /usr/pkg/lib/tcl8.4
Tk script files found in: /usr/pkg/lib/tk8.4
bison found

ERROR: Can't find flex or lex!