lua_blowfish.c c:\users\sp\appdata\local\temp\luarocks_blowfish-0.1-1-7702\lua-blowfish\src\lua_blowfish.h(3): fatal error C1083: Cannot open include file: 'lua5.1/lua.h': No such file or directory Installing https://luarocks.org/blowfish-0.1-1.rockspec... Using https://luarocks.org/blowfish-0.1-1.rockspec... switching to 'build' mode cl /nologo /MD /O2 -c -Fosrc/lua_blowfish.obj -IZ:/sp/Dropbox/Windows/x64/luajit/src src/lua_blowfish.c