linuxcnc: Getting to the compile errors on freebsd

A potential new contributor dropped by on IRC asking about a problem on FreeBSD. My interest was piqued since we don't support freebsd. I hope he will start getting us some patches soon! (update, 2016-06-15: Many, many patches. So many patches.)

Anyway, I was interested enough to spin up a FreeBSD (10.2) instance and get it to the point where I could work on configure and compile errors. These are my very terse notes:

sudo pkg install git python \
    tk86 blt tclx bwidget \
    autoconf readline pkgconf \
    boost-all gcc5 pidof gettext py27-tkinter \
    boost-python-libs \
    libGL libGLU libXmu gmake

./configure --with-realtime=uspace CC=gcc5 CXX=g++5 --without-libmodbus --disable-gtk --disable-check-runtime-deps --enable-non-distributable=yes
however in an evening's work I'm still well short of getting the software to build. One thing I ran into is that clock_nanosleep, something we use thousands of times a second, isn't available on FreeBSD, despite being in POSIX 2008.1!

(and just like their branch, mine is way too green to be ready to share with anyone)

Entry first conceived on 11 June 2016, 1:04 UTC, last modified on 15 June 2016, 14:13 UTC
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