[drake_cmake_installed] CMake error when building in release mode

[pangtao22]

I've been structuring my research projects using the drake_cmake_installed pattern. About 1 and a half years ago, I started getting this error when I was running cmake in release mode:

amazon@amazon-system-product-name:~/ClionProjects/drake-external-examples/drake_cmake_installed/build$ cmake .. -DCMAKE_PREFIX_PATH=~/drake-build/install -DCMAKE_BUILD_TYPE=release
-- Found PythonInterp: /usr/bin/python3 (found suitable version "3.8.10", minimum required is "3.6") 
-- Found PythonLibs: /usr/lib/x86_64-linux-gnu/libpython3.8.so (found suitable version "3.8.10", minimum required is "3.6") 
-- Found PythonInterp: /usr/bin/python3 (found version "3.8.10") 
-- Found PythonLibs: /usr/lib/x86_64-linux-gnu/libpython3.8.so (found version "3.8.10") 
CMake Error at /home/amazon/drake-build/install/lib/cmake/pybind11/pybind11Tools.cmake:204 (pybind11_strip):
  Unknown CMake command "pybind11_strip".
Call Stack (most recent call first):
  src/simple_bindings/CMakeLists.txt:35 (pybind11_add_module)


-- Configuring incomplete, errors occurred!
See also "/home/amazon/ClionProjects/drake-external-examples/drake_cmake_installed/build/CMakeFiles/CMakeOutput.log".
See also "/home/amazon/ClionProjects/drake-external-examples/drake_cmake_installed/build/CMakeFiles/CMakeError.log".

It seems that pybind11_strip should be part of the pybind cmake scripts, but it's not installed in the pybind bundled with drake? Our workaround has been simply commenting out the line in cmake that calls pybind11_strip... which is not ideal, and could be the reason why we're getting "weak symbol" warnings after the bindings are built.

@RussTedrake

[pangtao22]

Adding these lines from pybind11 to drake/tools/workspace/pybind11/pybind11-config.cmake (e.g. like this) can solve the problem, but I'm not sure if that's the correct way to do it.

[EricCousineau-TRI]

Howdy Pang! I am unable able to reproduce your error. On my system, using v1.10.0:

$ cd drake-external-examples
$ git log -n 1 --oneline --no-decorate
94ae27b Bump CI from Big Sur to Monterey as supported minimium (#245)

$ mkdir drake_cmake_installed-build && cd drake_cmake_installed-build
$ cmake -DCMAKE_PREFIX_PATH=~/.local/opt/drake/v1.10.0 ../drake_cmake_installed -DCMAKE_BUILD_TYPE=Release
# Fails

I believe this may be a system-level dependency issue (either in /usr or /usr/local).

Is there any way you could reproduce this in a Docker or Apptainer container?
(here is how I use Apptainer, for better or worse: repro/.../apptainer_stuff)

EDIT: Updated per Pang's comment - oops!

[pangtao22]

I'm able to reproduce the error in a docker container:
https://github.com/pangtao22/quasistatic_simulator/actions/runs/3570809861/jobs/6002118367

The cause is the -DCMAKE_BUILD_TYPE=Release flag in the cmake command, which is missing in your run @EricCousineau-TRI .

Thanks for looking into this!

[EricCousineau-TRI]

Filed #247, sorry for the delay!

I just followed your suggested solution which worked out of the box. I can't think of anything better!