BUILDING THE UR-QUAN MASTERS ON MAC OS X
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Starting with 0.7.1, it is possible to build and run The Ur-Quan
Masters with the brew system (https://brew.sh). This is much easier
than building a redistributable package, and personal builds should
probably rely on this. See the main INSTALL file for instructions
there.

To create a .app file that will work on most Macs, you will need to
create an app bundle with custom copies of its libraries. To do
*that*, you will to build most of them yourself:

SDL2: https://www.libsdl.org
    The development libraries for macOS available here already work
    fine and do not need any extra work.

Ogg Vorbis: http://www.xiph.org
    You will need to build frameworks out of libogg and libvorbis,
    which will be named Ogg.framework and Vorbis.framework.

libpng: http://www.libpng.org/pub/png/libpng.html
    You will ultimately need to create libpng.framework.

These frameworks should be built as "archives" in Xcode with a macOS
deployment target of 10.6. Copy the framework directories out of the
archives into /Library/Frameworks.

With these in place, copy the content packages that you intend to
undle with the app (at minimum content, but potentially also voice and
3DO music or even remixes) into a subdirectory under this one named
"dist-packages".

You are now ready to actually build and package the application:

    DEPS_PATH=/Library/Frameworks ./build.sh uqm
    build/unix_installer/copy_mac_frameworks.pl

This should produce a working app bundle named "The Ur-Quan
Masters.app". For proper redistribution this app should be put in a
disk image with the Disk Utility. If you are running on a version of
macOS later than 10.12, don't forget to make sure you use HFS+ instead
of APFS, or your disk image won't be mountable on any version of macOS
10.12 or earlier!