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Inconsistency between b2 and CMake builds regarding library type (Static vs. Header-only)

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难度
5/5
预计耗时
一周以上
新手友好度
35/100
Issue 类型
缺陷
描述清晰度
基本清楚
活跃度
冷清
技术栈
cmake, cpp
领域
build-system

调研方向

从 build/Jamfile.v2 和 CMakeLists.txt 开始,尤其关注链接库配置行,并比较每个构建系统如何表示 Boost.Exception。确定预期的库类型和链接行为;当项目的预期行为确定下来,并且两个配置保持一致或对差异进行清晰记录时,该 issue 即得到解决。

由索引模型根据 Issue 内容生成。

描述

Greetings! 👋

There appears to be an inconsistency in how the Boost.Exception library is built and packaged depending on the build system used (b2 vs. CMake). I know b2 is the official one and CMake is optional, but this difference and as b2 only provide static library makes me think about this case.

With b2: The library forces a static build. Even when passing the global link=shared property to b2 to generate shared libraries across Boost, Boost.Exception overrides this behavior in its build configuration, hardcoding it to build strictly as a static library.

With CMake: The CMakeLists.txt configures Boost.Exception entirely as a header-only (INTERFACE) library, offering no option to build a compiled/pre-built library component.

  • Is the static restriction in Jamfile.v2 intended design, or is it a legacy artifact/bug?

  • Is Boost.Exception officially supposed to be treated strictly as a header-only library going forward (as suggested by the CMake configuration)?

Regards!

主要语言
C++
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