如何减少MinGW g ++编译器生成的可执行文件的大小？ [英] How to reduce the size of executable produced by MinGW g++ compiler?

问题描述

我有一个普通的Hello worldC ++程序，编译为500 KB可执行的MinGW g ++编译器在Win XP下。
有人说是由 iostream 库和 libstdc ++。dll 的静态链接引起的。

-s 编译器选项帮助了一点（减少了50％的大小），但我只能满足< 10kB可执行。有什么办法如何使用MinGW编译器实现这一点？可移植性对我来说不是一个大问题。

是否可以使用动态链接复制libstdc ++。dll与可执行文件？

我已经使用MinGW 3.4了。

现在我更新到最新的MinGW 4.6和大小减少了90％到50kB， -s 选项甚至到9kB，这是完全足够的。反正 - 感谢大家的帮助。这里你去我的结果

C ++ Hello World 程序使用iostream

  MinGW |没有选项| -s选项
 ------------------------------ 
 3.4 | 500kB | 286 kB 
 4.6 | 50kB | 9 kB 
  

解决方案

要使用的标记：

$

• li> -lstdc ++ _ s 指定动态链接 libstdc ++。dll


• -Os 可优化二进制文件的大小。

mingw静态链接到Windows上的 libstdc ++。a 。

注意 lstdc ++ _s 标志只在MinGW，GCC> 4.4，我相信。

I have a trivial "Hello world" C++ program that is compiled to 500kB executable by MinGW g++ compiler under Win XP. Some say that is caused by iostream library and static link of libstdc++.dll.

Using -s compiler option helped a bit (reducing 50% size), but I would by satisfied only by <10kB executable. Is there any way how to achieve this using MinGW compiler? Portability is not a big concern for me.

Is it possible to copy libstdc++.dll with the executable using dynamic linking? If so, how to achieve this?

---

Solved: I was using MinGW 3.4. Now I updated to latest MinGW 4.6 and the size was decreased by 90% to 50kB, with -s option even to 9kB, which is fully sufficient. Anyway - thanks everyone for help. Here you go my results

C++ Hello World program using iostream

MinGW | no options | -s option
------------------------------
3.4   | 500kB      | 286 kB
4.6   | 50kB       |   9 kB

解决方案

Flags to use:

• -s like you've been doing to strip symbols
• -lstdc++_s to specify dynamically linking against the libstdc++.dll
• -Os to optimize the binary for size.

By default mingw static links to libstdc++.a on Windows.

Note that the lstdc++_s flag is only in MinGW with GCC > 4.4, I believe.

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