如何编写Jamroot文件生成关联C++共享库的Python .so文件

Alright, let's craft a proper Jamroot file for Boost.Build that generates your Python-importable converter.so extension, linking all your required dependencies correctly. First, I’ll fix the obvious typo in your shared library list (you mentioned libfile2.so twice— I assume you meant libfile3.so for the third one).

Here’s the complete Jamroot structure tailored to your needs:

# Import the Python module for Boost.Build
import python;

# Set the project root and define our Python extension target
project converter
    : requirements
        # Link against Boost libraries (adjust the specific Boost components you need)
        <library>/boost//system
        <library>/boost//python
        # Add any additional Boost components your cppObjConverter.cpp uses
        # <library>/boost//regex
        # <library>/boost//filesystem

        # Link your custom compiled shared libraries
        <library>./libfile1.so
        <library>./libfile2.so
        <library>./libfile3.so

        # Link external system libraries: gumbo-parser and libcurl
        <library>gumbo
        <library>curl

        # Ensure the compiler knows where to find header files (adjust paths if needed)
        <include>./include
        <include>/usr/include/gumbo-parser
        <include>/usr/include/curl
    ;

# Define the Python extension module
python-extension converter
    : cppObjConverter.cpp
    ;

Key details to note: #

• Python Extension Setup: The python-extension rule tells Boost.Build to create a shared library compatible with Python’s import system, named converter.so.
• Boost Libraries: I included common Boost components (system and python) since you mentioned using Boost in cppObjConverter.cpp— add any other Boost libraries your code depends on (like regex or filesystem) by uncommenting or adding similar <library> lines.
• Custom Libraries: The paths to libfile1.so, libfile2.so, libfile3.so assume they’re in the same directory as your Jamroot. If they’re in a different folder (like ./libs/), adjust the paths accordingly (e.g., <library>./libs/libfile1.so).
• External Libraries: gumbo and curl are referenced by their system library names— Boost.Build will automatically look for these in standard system library paths. If they’re installed in non-standard locations, add their library search paths with <linkflags>-L/path/to/gumbo/lib and <linkflags>-L/path/to/curl/lib.
• Header Paths: The <include> lines specify where the compiler can find header files for your project, gumbo-parser, and libcurl. Adjust these paths if your headers are stored in different locations.

Once you have this Jamroot in place, just run b2 in the same directory to build your converter.so file. You can then import it in your cppObjCaller.py script with import converter.

内容的提问来源于stack exchange，提问作者HarshGiri