=> 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 twm-1.0.7.tar.bz2
=> Checksum RMD160 OK for twm-1.0.7.tar.bz2
===> Installing dependencies for twm-1.0.7
=> Build dependency pkg-config>=0.19: found pkg-config-0.25nb1
=> 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-1.7.1
=> Build dependency xbitmaps>=1.0: found xbitmaps-1.1.0
=> Build dependency xextproto>=7.0: found xextproto-7.2.1
=> Build dependency inputproto>=1.4: found inputproto-2.2
=> Build dependency checkperms>=1.1: found checkperms-1.11
=> Full dependency libXext>=0.99.0: found libXext-1.3.1
=> Full dependency libXmu>=1.0.0: found libXmu-1.1.1
=> Full dependency libXt>=1.0.0: found libXt-1.1.3
===> Overriding tools for twm-1.0.7
===> Extracting for twm-1.0.7
===> Patching for twm-1.0.7
===> Creating toolchain wrappers for twm-1.0.7
===> Configuring for twm-1.0.7
=> Modifying GNU configure scripts to avoid --recheck
=> Replacing config-guess with pkgsrc versions
=> Replacing config-sub with pkgsrc versions
=> Replacing install-sh with pkgsrc version
=> Checking for portability problems in extracted files
checking for x86_64-unknown-linux-gcc... 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... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
checking how to run the C preprocessor... gcc -E
checking for grep that handles long lines and -e... (cached) /bin/grep
checking for egrep... (cached) /bin/egrep
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 minix/config.h usability... no
checking minix/config.h presence... no
checking for minix/config.h... no
checking whether it is safe to define __EXTENSIONS__... yes
checking for a BSD-compatible install... /usr/bin/install -c -o pbulk -g pbulk
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... /tmp/pkgsrc/wm/twm/work/.tools/bin/mkdir -p
checking for gawk... /usr/bin/awk
checking whether make sets $(MAKE)... yes
checking for style of include used by make... GNU
checking dependency style of gcc... gcc3
checking whether to enable maintainer-specific portions of Makefiles... no
checking for gcc option to accept ISO C99... -std=gnu99
checking whether __clang__ is declared... no
checking whether __INTEL_COMPILER is declared... no
checking whether __SUNPRO_C is declared... no
checking pkg-config is at least version 0.9.0... yes
checking build system type... x86_64-unknown-linux-gnu
checking host system type... x86_64-unknown-linux-gnu
checking for a sed that does not truncate output... /bin/sed
checking if gcc -std=gnu99 supports -Werror=attributes... no
Package xorg-macros was not found in the pkg-config search path.
Perhaps you should add the directory containing `xorg-macros.pc'
to the PKG_CONFIG_PATH environment variable
No package 'xorg-macros' found
checking for bison... no
checking for byacc... no
checking for yacc... no
configure: error: yacc not found - unable to compile gram.y
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/wm/twm
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/wm/twm