使用 cmake 查找正确的 Python 框架
我在 Snow Leopard 计算机上使用 macports 版本的 python，并使用 cmake 为其构建跨平台扩展。我使用 CMakeLists.txt 中的以下命令搜索系统上的 python 解释器和库
include(FindPythonInterp)
include(FindPythonLibs )
但是，虽然 cmake 在 /opt/local/bin 中识别了正确的解释器，但它尝试链接到错误的框架- 即系统Python框架。
-- Found PythonInterp: /opt/local/bin/python2.6
-- Found PythonLibs: -framework Python
这会导致以下运行时错误
Fatal Python error: Interpreter not initialized (version mismatch?)
一旦我用 /opt/local/Library/Frameworks/Python.framework/Python 替换 -framework Python ，事情似乎就会按预期工作。
如何使 cmake 链接到 中找到的正确 Python 框架
/opt/local/Library/Frameworks/Python.framework/Python
而不是 中的系统框架
/System/Library/Frameworks/Python.framework/Python
？
I am using the macports version of python on a Snow Leopard computer, and using cmake to build a cross-platform extension to it. I search for the python interpreter and libraries on the system using the following commands in CMakeLists.txt
include(FindPythonInterp)
include(FindPythonLibs )
However, while cmake identified the correct interpreter in /opt/local/bin, it tries to link against the wrong framework - namely the system Python framework.
-- Found PythonInterp: /opt/local/bin/python2.6
-- Found PythonLibs: -framework Python
And this causes the following runtime error
Fatal Python error: Interpreter not initialized (version mismatch?)
As soon as I replace -framework Python with /opt/local/Library/Frameworks/Python.framework/Python things seem to work as expected.
How can I make cmake link against the correct Python framework found in
/opt/local/Library/Frameworks/Python.framework/Python
rather than the system one in
/System/Library/Frameworks/Python.framework/Python
?
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在
~/.bash_profile中添加以下内容至少可以暂时解决问题。显然，cmake 使用的 python 解释器和 python 框架之间的这种不一致是一个错误，希望在新版本中得到修复。
Adding the following in
~/.bash_profilefixes the problem at least temporarily. Apparently, this inconsistency between the python interpreter and the python framework used by cmake is a bug that should be hopefully fixed in the new version.
我对 CMake 不太熟悉，但是使用 Apple 版本的 gcc/ld，您可以传递
-F标志来指定新的框架搜索路径。例如，-F/opt/local/Library/Frameworks将在MacPorts的frameworks目录中搜索。如果您可以使用 CMake 指定这样的标志，它可能会解决您的问题。I am not intimately familiar with CMake, but with the Apple version of gcc/ld, you can pass the
-Fflag to specify a new framework search path. For example,-F/opt/local/Library/Frameworkswill search in MacPorts' frameworks directory. If you can specify such a flag using CMake, it may solve your problem.