catkin build : undefined reference to pthread about kiss-icp HOT 6 CLOSED

@martinlucan I anyway found a workaround, but I still would recommend upgrading the system.

The first thing to do is to upgrade cmake just follow the instructions here then patch the source code with this:

diff --git a/src/cpp/kiss_icp/3rdparty/tbb/tbb.cmake b/src/cpp/kiss_icp/3rdparty/tbb/tbb.cmake
index c9bc854..4c42802 100644
--- a/src/cpp/kiss_icp/3rdparty/tbb/tbb.cmake
+++ b/src/cpp/kiss_icp/3rdparty/tbb/tbb.cmake
@@ -34,8 +34,8 @@ ExternalProject_Add(
              ${ExternalProject_CMAKE_CXX_FLAGS}
              # custom flags
              -DTBB_BUILD_TBBMALLOC=ON
-             -DTBB_BUILD_SHARED=OFF
-             -DTBB_BUILD_STATIC=ON
+             -DTBB_BUILD_SHARED=ON
+             -DTBB_BUILD_STATIC=OFF
              -DTBB_BUILD_TESTS=OFF)
 
 # Simulate importing TBB::tbb for OpenVDBHelper target

I built it, test it, and it was actually working . I'm sorry but I will not probably provide support to make this work out of the box, if someone else needs support for ROS-MELODIC, just like this comment!

By the way, I've tried this on a docker enviroment: osrf/ros:melodic-desktop-full ,

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@martinlucan , @astronaunt This is now fixed in master automatically. Check the PR for details. If you have a modern cmake version installed, then you can build the project without having to modify the source.

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@martinlucan can you specify a bit more about your system, etc? In any case, one option would be to install the TBB library locally. Just do sudo apt install libtbb-dev and try to build

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@nachovizzo I run ubuntu 18.04 on x86 arch. with ROS Melodic. Unfortunately, libtbb-dev is already installed.

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I'm sorry, but I can't help in this case, the Operating system is 3 months away from being deprecated ("April 30, 2023") I'd suggest you upgrade to something more modern

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Thanks a lot for your excellent work! I modified the source code according to your method and successfully fixed this problem。

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