C语言 “X11/Xlib.h”：mac os x 山狮上没有这样的文件或目录
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"X11/Xlib.h": no such file or directory on mac os x mountain lion
提问by jasonkim
I came across this when I was compiling a simple program:
我在编译一个简单的程序时遇到了这个：
#include <X11/Xlib.h>
#include <stdio.h>
#include <stdlib.h>
Display* display;
int main(){
display = XOpenDisplay("");
if (display == NULL) {
printf("Cannot connect\n");
exit (-1);
}
else{
printf("Success!\n");
XCloseDisplay(display);
}
}
FYI, I have xQuartz installed. I compile this program with "g++ -o ex ex.cpp -L/usr/X11R6/lib -lX11" command.
仅供参考，我安装了 xQuartz。我用“g++ -o ex ex.cpp -L/usr/X11R6/lib -lX11”命令编译这个程序。
采纳答案by Petesh
you need to compile with:
你需要编译：
g++ -o ex ex.cpp -I/usr/X11R6/include -L/usr/X11R6/lib -lX11
the X11headers are installed with xQuartz, but you need to reference them explicitly
在X11头文件被安装有xQuartz，但你必须明确地引用它们
If you install xQuartzit installs into /opt/X11, and /usr/X11and /usr/X11R6are symlinks to this location
如果您安装xQuartz它/opt/X11，它会安装到,/usr/X11并且/usr/X11R6是指向此位置的符号链接
回答by skndmx
You may need to add symbolic link to X11 folder by:
您可能需要通过以下方式将符号链接添加到 X11 文件夹：
sudo ln -s /opt/X11/include/X11 /usr/local/include/X11
须藤 ln -s /opt/X11/include/X11 /usr/local/include/X11
In my case, I had to make include directory under usr/local.
就我而言，我必须在usr/local.
回答by vglafirov
This solution worked for me for ruby-1.9.3-p362 on Mavericks.
这个解决方案适用于小牛队上的 ruby-1.9.3-p362。
sudo ln -s /opt/X11/include/X11 /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk/usr/include/
