英文:
how to compile Eigen to .so
问题
在 https://eigen.tuxfamily.org/dox/GettingStarted.html 中提到，不需要使用 CMake 进行安装，只需要包含头文件。但现在我想将 Eigen 编译为共享库，以便轻松地在另一个共享库中链接，有人可以告诉我该如何操作吗？
如何将 Eigen 编译为共享库和动态链接库 (DLL)？
英文:
In the https://eigen.tuxfamily.org/dox/GettingStarted.html,it said that Eigen is not necessary to use Cmake to install, and just to include the header file.But now I want to compile Eigen as a shared library to easily be linked in another shared library, someone can tell what to do?
How to compiler Eigen to a shared library&dll
答案1
得分: 2
The MPL允许您将Eigen链接到您自己的代码中。Eigen的某些部分属于LGPL，这可能会导致问题，但Eigen的COPYING.README文件告诉您如何剥离LGPL代码。
如果您希望确保所包含的Eigen代码根据MPL2和可能更宽松的许可证（如BSD）进行许可，可以使用这个预处理符号：EIGEN_MPL2_ONLY。例如，对于大多数编译器，您可以将其添加到项目的CXXFLAGS中：-DEIGEN_MPL2_ONLY。这将在您包含任何LGPL许可的代码时生成编译错误。
英文:
The MPL is completely okay with you linking Eigen into your own code.
Some bits of Eigen are LGPL, which would pose a problem, but the Eigen COPYING.README tells you how to strip LGPL code:
> If you want to guarantee that the Eigen code that you are #including
> is licensed under the MPL2 and possibly more permissive licenses (like
> BSD), #define this preprocessor symbol: EIGEN_MPL2_ONLY For example,
> with most compilers, you could add this to your project CXXFLAGS:
> -DEIGEN_MPL2_ONLY
> This will cause a compilation error to be generated if you #include any code that is LGPL licensed.
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