c++ -Ibind -I/Users/sp/Dropbox/OSX/x64/luajit/include -Wall -W -O2 -fPIC -c error.cpp
Installing https://luarocks.org/dromozoa-png-1.2-1.src.rock...
Using https://luarocks.org/dromozoa-png-1.2-1.src.rock... switching to 'build' mode