Installing https://luarocks.org/i2c-1.1.3-1.src.rock...
Using https://luarocks.org/i2c-1.1.3-1.src.rock... switching to 'build' mode
env MACOSX_DEPLOYMENT_TARGET=10.8 gcc -O2 -fPIC -I/Users/sp/Dropbox/OSX/x64/luajit/include -c lua-i2c.c -o lua-i2c.o