从C程序链接SDL [重复]

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Ubuntu 11.10: GCC/G++ won't link libraries 3 answers

Ubuntu 11.10:GCC / G ++不会链接库3的答案

I have a very simple C program that is taken from the SDL documentation:

我有一个非常简单的C程序,取自SDL文档:

#include <stdlib.h>
#include "SDL.h"

int main() {
    if (SDL_Init(SDL_INIT_AUDIO|SDL_INIT_VIDEO) < 0) {
        return EXIT_FAILURE;
    }
    atexit(SDL_Quit);
    return EXIT_SUCCESS;
}

I'm using sdl-config --cflags --libs to provide the arguments to clang. It is able to link against the SDL headers, but fails to link against the SDL library:

我正在使用sdl-config --cflags --libs为clang提供参数。它能够链接到SDL标头,但无法链接到SDL库:

/tmp/example-f2Tgg6.o: In function `main':
example.c:7: undefined reference to `SDL_Init'
example.c:8: undefined reference to `SDL_Quit'
clang: error: linker command failed with exit code 1 (use -v to see invocation)

I've tried to compile with gcc and get the same problem, so I feel I've missed something obvious. I'm running xubuntu 11.10 in case that's relevant.

我试图用gcc编译并得到同样的问题,所以我觉得我错过了一些明显的东西。我正在运行xubuntu 11.10,以防相关。

2 个解决方案

#1

try to install libraries. something like sudo apt-get install libsdl1.2-dev libsdl1.2debian

尝试安装库。像sudo apt-get install libsdl1.2-dev libsdl1.2debian

#2

First, you can always figure out the correct flags using pkg-config, as shown here.

首先,您可以使用pkg-config始终找出正确的标志,如下所示。

Then you can use apt-file and Google to figure out which packages you need installed via apt. In this case, look in libsdl-* -- you may want the base package, and the -dev package.

然后你可以使用apt-file和Google来确定你需要通过apt安装哪些软件包。在这种情况下,查看libsdl- * - 您可能需要基本包和-dev包。

#1