I don't know then. This is what I get on a fresh compile - note that it even specifies the framework paths in the command line options:
antimass@gem:~$ ls /Library/Frameworks/SDL*
drwxr-xr-x@ 22 Sep 14:54 SDL2.framework
drwxr-xr-x@ 1 Feb 2016 SDL2_ttf.framework
antimass@gem:~$
Wouldn't compile till I added in those SDL frameworks. Note: I also have done 'brew install sdl2' and 'brew install sdl2_ttf' in the past, so maybe you also need those? libsdl2: https://www.libsdl.org/release/SDL2-2.0.6.dmg
sdl2+ttf: https://www.libsdl.org/projects/SDL_ttf/release/SDL2_ttf-2.0.14.dmg
2) git clone https://github.com/vygr/ChrysaLisp.git ChrysaLisp