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FAQ_FOR_MAC.md

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FAQ for Mac Users

How to compile in OSX

This section is mainly used as a workaround if you are using mac and having difficulty compiling this project. If you can not build Cuberite and the C++ Minecraft client using make under root directory, we suggest you compile them separately using the following steps:

  1. Build Cuberite server
  2. Build C++ Minecraft client
  3. Build the rest of the system (log_render, render_view and schematic_convert)

Build Cuberite server

The easiest way to build Cuberite server is to use its EasyInstall script. This script will download the correct binary from the project site:

cd cuberite
curl -sSfL https://download.cuberite.org | sh

Build C++ Minecraft client

To build Minecraft client, run

cd client
cmake . && make

Build the rest of the system

Remove the first two targets from all in Makefile since they are used to build Cuberite server and C++ Minecraft client which are already built in step 1 & 2. To be specific, replace line#10 of Makefile from:

all: cuberite client log_render render_view schematic_convert

to:

all: log_render render_view schematic_convert

Then run

make

Common Errors

There might be several errors depending on your compiler version. We list some common errors and the ways to resolve them.

  • 'glog header file can not be found' when build C++ Minecraft client

    Replace the content of client/CMakeLists.txt with the following content:

    cmake_minimum_required (VERSION 2.8)
set(CMAKE_CXX_COMPILER "g++")
project (minecraft_client)

find_package(glog REQUIRED)
find_library(gflags REQUIRED)
find_library(z REQUIRED)
find_library(Boost REQUIRED)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "bin")
set(CMAKE_CXX_FLAGS "-std=c++11 -Wall -Wextra -Werror -O3")

set(LINKS gflags glog z)
file(GLOB SOURCES "src/*.cpp")

add_subdirectory(pybind11)
pybind11_add_module(agent ${SOURCES})
target_link_libraries(agent ${LINKS})
target_link_libraries(agent blog)
set_target_properties(agent PROPERTIES OUTPUT_NAME ../python/agent)

add_custom_target(run
	COMMAND python agent/agent.py
	DEPENDS agent
)

    Then run

    cd client
cmake . && make

  • 'optional' file not found' when build C++ Minecraft client

    Switch Xcode to Version 10 or higher, then run

    cd client
cmake . && make

  • '_pickle.UnpicklingError: invalid load key, 'v'.' when you try to start the V0 agent

    Run

    git lfs pull

    then

    python ./python/craftassist/craftassist_agent.py

  • 'glog/logging.h:721:32: error: comparison of integers of different signs: 'const long' and 'const unsigned long'' when build rest of the system

    Remove '-Werror' from COMPILE_FLAGS in Makefile. To be specific, replace line#7 of Makefile from:

    COMPILE_FLAGS=-std=c++17 -Wall -Wextra -Werror -O3

    to:

    COMPILE_FLAGS=-std=c++17 -Wall -Wextra -O3