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c++boostcmakeboost-python

Building basic C++ project with boost python v1.67 and cmake on Ubuntu


This is my first attempt to write a cmake file for a production level project, I'm just trying to locate the boost python(v 1.67.0) package using cmake.

I have a very small CMakeLists.txt.

cmake_minimum_required(VERSION 3.13)
find_package(Boost 1.67.0 REQUIRED COMPONENTS system python37)
if(Boost_FOUND)   
    message("Boost_FOUND")
endif()

It works fine if I just try to find system but fails when I add python37. As per the FindBoost documentation, I need to mention it the way I have mentioned it. This is the output that I get:

CMake Error at /usr/share/cmake-3.13/Modules/FindBoost.cmake:2100 (message):
  Unable to find the requested Boost libraries.

  Boost version: 1.67.0

  Boost include path: /usr/include

  Could not find the following Boost libraries:

          boost_python37

  Some (but not all) of the required Boost libraries were found.  You may
  need to install these additional Boost libraries.  Alternatively, set
  BOOST_LIBRARYDIR to the directory containing Boost libraries or BOOST_ROOT
  to the location of Boost.
Call Stack (most recent call first):
  CMakeLists.txt:2 (find_package)


-- Configuring incomplete, errors occurred!

When I run $ locate libboost_python I get the following output:

/usr/lib/x86_64-linux-gnu/libboost_python-py27.so.1.65.1
/usr/lib/x86_64-linux-gnu/libboost_python27.so.1.67.0
/usr/lib/x86_64-linux-gnu/libboost_python3-py37.so.1.65.1
/usr/lib/x86_64-linux-gnu/libboost_python37.so.1.67.0

Given this output, I assume that the package/library is present. So, I tried to add the following line in CMakeLists.txt:

set(BOOST_LIBRARYDIR "/usr/lib/x86_64-linux-gnu")

But the error remained. What am I missing here?


Solution

  • It looks like you are missing the dev package, as there is no /usr/lib/x86_64-linux-gnu/libboost_python27.so

    Fix:

    apt-get install libboost-python1.67-dev