Deploy geda-gschem on macOS

Done in VirtualBuddy macOS guest running macOS Tahoe 26.6.2
1. Install Apple’s command line tools

$ xcode-select --install

2. Install MacPorts from Installing MacPort

• The MacPorts Project is an open-source community initiative to design an easy-to-use system for compiling, installing, and upgrading either command-line, X11 or Aqua based open-source software on the Mac operating system.
• MacPorts installs to /opt/local by default.

3. Install geda-gschem

$ export PATH=/opt/local/bin:$PATH
$ sudo port install geda-gaf

If the build fails with error: static declaration of 'strchrnul' follows non-static declaration error, run equivalent of following command in build directory:

sudo perl -pi.bak -e 's/\bstrchrnul\b/geda_strchrnul/g' /opt/local/var/macports/build/geda-gaf-870cbe05/work/geda-gaf-1.10.2/gschem/src/x_controlfd.c

then rerun sudo port install geda-gaf 4. Install Xorg

sudo port install xorg-server

5. Restart macOS, then run gschem

$ /opt/local/bin/gschem