ports/build-tools/

files:
bear/
bmake/
byacc/
ccache/
cmake/
cppcheck/
doxygen/
dtc/
flex/
gmake/
gnu-autoconf/
gnu-automake/
gnu-binutils/
gnu-bison/
gnu-gettext/
gnu-global/
gnu-indent/
gnu-libtool/
gnu-m4/
gperf/
ltrace/
meson/
mk/
muon/
ninja/
onetrueawk/
pdpmake/
pkg-config/
pkgconf/
re2c/
redo/
reflex/
samurai/
sc/
shinobi/
strace/
tup/
u-config/
universal-ctags/