I was trying to get love2d to compile on a Raspberry pi 3+ and kept getting errors trying to build SDL2_ttf-2.0.14
Mainly it could not find freetype2
I did not want to mess up or change to much from what comes by default on the Raspberry Pi so ran this command to see what freetype I should use
dpkg -l | grep freetype
From that I came up with the correct version of freetype. In hindsight I am not sure that really mattered. Maybe as long as my version of SDL2_ttf will link it does not matter which freetype I use?
wget -c https://download.savannah.gnu.org/releases/freetype/freetype-2.9.1.tar.bz2
Then I did the normal configure, make, and make install dance as you would expect to build that.
That still did not seem to help my SDL ttf build. So I read the config.log file and found the build was really looking for a utility script named freetype-config. Armed with this knowledge I started looking on disk for that file and found it in the build directory. WOOOO!
/home/pi/code/freetype-2.9.1/builds/unix/freetype-config
At this point I put that directory on my PATH and could get further in the SDL ttf build.
All the other instructions I followed are here on this great page: https://choccyhobnob.com/sdl2-2-0-8-on-raspberry-pi/
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