为什么Boost的`BCP smart_ptr DIR /`源$ C ​​$ C副本6MB？ [英] Why did Boost's `bcp smart_ptr dir/` copy 6MB of source code?

问题描述

所以我想从助推分离出来仅仅是智能指针在我的项目中使用，我被引导到使用 BCP 工具。

So I wanted to separate out just the smart pointers from boost to use in my project and I was guided to use bcp utility.

今天，我把它编译并做 BCP smart_ptr to_copy_to_my_project / 。

Today I got it compiled and did bcp smart_ptr to_copy_to_my_project/.

其结果是：在code的6MB to_copy_to_my_project / 目录

The result: 6MB of code in to_copy_to_my_project/ directory.

你在开玩笑吧？我不想的头文件6MB添加到我的100KB的项目只是为了使用智能指针。

Are you kidding me? I don't want to add 6MB of header files to my 100KB project just to use smart pointers.

例如，它复制下面的Win32的东西（我在Linux上）：

For example, it copies the following win32 stuff (I am on Linux):

Copying file: boost/thread/win32/basic_timed_mutex.hpp
Copying file: boost/thread/win32/condition_variable.hpp
Copying file: boost/thread/win32/interlocked_read.hpp

为什么会复制win32的东西与smart_ptr当我在Linux呢？

Why would it copy win32 stuff with smart_ptr when I am on Linux?

还有：

Copying file: boost/mpl/aux_/preprocessed/msvc60/advance_backward.hpp
...
Copying file: boost/mpl/aux_/preprocessed/msvc70/advance_backward.hpp
...
Copying file: boost/mpl/aux_/preprocessed/mwcw/advance_backward.hpp

和

Copying file: boost/date_time/adjust_functors.hpp

为什么smart_ptr依赖于DATE_TIME？

Why does smart_ptr depend on date_time?

还有什么关于所有这些测试，它复制：

Also what about all these tests that it copied over:

Copying file: libs/smart_ptr/test/allocate_shared_esft_test.cpp
...

我不需要任何的吧！我只需要smart_ptr！

I don't need any of it! I just need smart_ptr!

难道我做错了什么？为什么把它复制code的6MB只是为智能指针，而我希望是10KB或20KB ...

Did I do something wrong? Why did it copy 6MB of code just for the smart pointers, which I would expect to be 10KB or 20KB...

谢谢，博大Cydo。

推荐答案

如果你想要的是 smart_ptr 和你不感兴趣的＃定义'ING BOOST_SP_USE_QUICK_ALLOCATOR （这不是默认定义），你只需要：

If all you want is smart_ptr and you're not interested in #define'ing BOOST_SP_USE_QUICK_ALLOCATOR (which is not defined by default), you only need:

boost/assert.hpp
boost/checked_delete.hpp
boost/config.hpp
boost/config/compiler/*
boost/config/no_tr1/functional.hpp
boost/config/no_tr1/memory.hpp
boost/config/no_tr1/utility.hpp
boost/config/platform/*
boost/config/posix_features.hpp
boost/config/select_compiler_config.hpp
boost/config/select_platform_config.hpp
boost/config/select_stdlib_config.hpp
boost/config/stdlib/*
boost/config/suffix.hpp
boost/config/user.hpp
boost/current_function.hpp
boost/detail/interlocked.hpp
boost/detail/sp_typeinfo.hpp
boost/detail/workaround.hpp
boost/enable_shared_from_this.hpp
boost/exception/detail/attribute_noreturn.hpp
boost/exception/exception.hpp
boost/memory_order.hpp
boost/non_type.hpp
boost/shared_ptr.hpp
boost/smart_ptr/*
boost/throw_exception.hpp
boost/type.hpp

这涉及到365K，在大头code实际上是升压/ smart_ptr 。还有在升压/配置很多code的。如果你知道你的目标是什么平台，你可以大肆削减升压/配置/编译，升压/配置/平台和升压/配置/ STDLIB 。然后，绝大多数code的将是升压/ smart_ptr 。

This comes to 365k, with the bulk of the code actually in boost/smart_ptr. There is still a lot of code in boost/config. If you know what platforms you're targeting, you could pare down boost/config/compiler, boost/config/platform, and boost/config/stdlib. Then the vast majority of the code would be in boost/smart_ptr.

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