OSX：如何将静态库转换为动态库？ [英] OSX: How do I convert a static library to a dynamic one?

问题描述

假设我在Mac上安装了一个名为somelib.a的第三方库，它运行着安装了Xcode 4.4的Mountain Lion。我想要一个名为somelib.dylib的动态库。一个合适的Linux命令将是：

  g ++ -fpic -shared -Wl，-whole-archive somelib.a -Wl， no-whole-archive -o somelib.so 
  

其中-whole-archive和-no-whole-存档传递给链接器。
当我做相当于Mac的时候：

  g ++ -fpic -shared -Wl，-whole-archive somelib。 a -Wl，-no-whole-archive -o somelib.dylib 
  

ld失败并显示错误：

  ld：未知选项：-whole-archive 
  

似乎OSX上的ld与GNU ld不同。如何修改上述命令，以便获得所需的结果？

提前谢谢！

解决方案

我发现我的问题的解决方案：

  g ++ -fpic -shared  - Wl，-all_load somelib.a -Wl，-noall_load -o somelib.dylib 
  

所需的参数是-all_load和-noall_load。

Suppose I have a third party library called somelib.a on a Mac running Mountain Lion with Xcode 4.4 installed. I want to get a dynamic library out of it called somelib.dylib. An appropriate Linux command would be:

g++ -fpic -shared -Wl,-whole-archive somelib.a -Wl,-no-whole-archive -o somelib.so

where -whole-archive and -no-whole-archive are passed to the linker. When I do the equivalent for Mac:

g++ -fpic -shared -Wl,-whole-archive somelib.a -Wl,-no-whole-archive -o somelib.dylib

ld fails with an error:

ld: unknown option: -whole-archive

It seems that the ld on OSX is different from GNU ld. How do I have to modify above command so I will get the desired result?

Thank you in advance!

解决方案

I found out the solution to my problem:

g++ -fpic -shared -Wl,-all_load somelib.a -Wl,-noall_load -o somelib.dylib

The required arguments are -all_load and -noall_load.

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