使用 SFML (macOS) 手动链接和编译 C++ 程序 [英] Manually link and compile C++ program with SFML (macOS)

问题描述

我正在尝试使用 SFML 创建小型 C++ 程序，但我不想使用 Xcode 模板.我正在使用 VSCode.

I am trying to create small C++ program with SFML and I don't want to use the Xcode template. I am using VSCode.

我下载了 Mac 版 SFML，然后将头文件和动态库复制到我的项目目录中，如下所示:

I downloaded SFML for Mac, and copied the headers and dylibs to my project directory like so:

• include/<- 从包含目录(SFML 目录和所有标题)复制内容

• include/ <- copied contents from the include directory (SFML dir with all headers)

lib/<- 从 lib 文件夹中复制的内容(所有 dylib 文件)

lib/ <- copied contents from the lib folder (all the dylib files)

main.cpp 看起来像这样:

main.cpp looks like this:

#include "include/SFML/Graphics.hpp"
int main()
{
    return EXIT_SUCCESS;
}

我用来编译的命令(成功):g++ main.cpp -o main -I include -L lib -l sfml-graphics -l sfml-window -l sfml-system

The command I use to compile (succesfully): g++ main.cpp -o main -I include -L lib -l sfml-graphics -l sfml-window -l sfml-system

运行应用程序时出现以下错误:

And when running the app I get following error:

dyld: Library not loaded: @rpath/libsfml-graphics.2.5.dylib
  Referenced from: /Users/mikal/code/cpp/sfml-box2d/./main
  Reason: image not found
zsh: abort      ./main

推荐答案

我需要通过添加这些链接器选项来告诉链接器在运行时在哪里查找动态库:

I needed to tell the linker where to look for the dynamic libraries at runtime by adding these linker options:

-Wl,-rpath ./lib

更多信息在这里:https://gcc.gnu.org/legacy-ml/gcc-help/2005-12/msg00017.html

所以编译 hello SFML 代码的完整命令是:g++ main.cpp -o main -I include -L lib -l sfml-system -l sfml-window -l sfml-graphics -l sfml-audio -l sfml-network -Wl,-rpath ./lib

So the full command to compile for example the hello SFML code is: g++ main.cpp -o main -I include -L lib -l sfml-system -l sfml-window -l sfml-graphics -l sfml-audio -l sfml-network -Wl,-rpath ./lib

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