subprocess.CalledProcessError: Command '['cmake', '--build', '.', '--config', 'Release', '--', '-j4']' returned non-zero exit status 2.

[guytenn]

I'm getting this error when calling pip install . in the flightlib directory (after installing all prerequisites). Any ideas? Full log:

ERROR: Command errored out with exit status 1: command: /home/guy/Projects/venv/bin/python3 -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/home/guy/Projects/flightmare/flightlib/setup.py'"'"'; file='"'"'/home/guy/Projects/flightmare/flightlib/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(file);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, file, '"'"'exec'"'"'))' develop --no-deps cwd: /home/guy/Projects/flightmare/flightlib/ Complete output (162 lines): running develop running egg_info writing flightgym.egg-info/PKG-INFO writing dependency_links to flightgym.egg-info/dependency_links.txt writing requirements to flightgym.egg-info/requires.txt writing top-level names to flightgym.egg-info/top_level.txt reading manifest file 'flightgym.egg-info/SOURCES.txt' writing manifest file 'flightgym.egg-info/SOURCES.txt' running build_ext -- The C compiler identification is GNU 9.3.0 -- The CXX compiler identification is GNU 9.3.0 -- Check for working C compiler: /usr/bin/cc -- Check for working C compiler: /usr/bin/cc -- works -- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Detecting C compile features -- Detecting C compile features - done -- Check for working CXX compiler: /usr/bin/c++ -- Check for working CXX compiler: /usr/bin/c++ -- works -- Detecting CXX compiler ABI info -- Detecting CXX compiler ABI info - done -- Detecting CXX compile features -- Detecting CXX compile features - done -- ====================== !Flightmare! ====================== -- ======> Setup Dependencies -- No sufficient Eigen version (3.3.4) found. -- Restoring to download Eigen sources. -- Getting Eigen... Cloning into 'eigen3'... Already on 'master' -- Eigen downloaded! -- Eigen3 include dir: -- Getting Pybind11... Cloning into 'pybind11-src'... Already on 'master' -- Pybind11 downloaded! -- pybind11 v2.6.1 dev1 -- Found PythonInterp: /home/guy/Projects/venv/bin/python3 (found version "3.8.2") -- Found PythonLibs: /usr/lib/x86_64-linux-gnu/libpython3.8.so -- Performing Test HAS_FLTO -- Performing Test HAS_FLTO - Success -- Getting yaml-cpp... -- Yaml downloaded! -- Found OpenCV: /usr (found version "4.2.0") -- Found OpenMP_C: -fopenmp (found version "4.5") -- Found OpenMP_CXX: -fopenmp (found version "4.5") -- Found OpenMP: TRUE (found version "4.5") INFOBuild time could be improved with ccache! INFO sudo apt install ccache -- ======> Setup Compilation -- Enabling fast optimization flags! -- The activated CXX RELEASE configuration is: -DVERSION_INFO="0.0.1" -fPIC -Wall -DNDEBUG -fopenmp -Ofast -march=native -- The activated CXX DEBUG configuration is: -DVERSION_INFO="0.0.1" -fPIC -Wall -g -fopenmp -- ======> Setup Build -- Getting gtests... Cloning into 'googletest-src'... Already on 'master' -- gtests downloaded! -- Looking for pthread.h -- Looking for pthread.h - found -- Performing Test CMAKE_HAVE_LIBC_PTHREAD -- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Failed -- Looking for pthread_create in pthreads -- Looking for pthread_create in pthreads - not found -- Looking for pthread_create in pthread -- Looking for pthread_create in pthread - found -- Found Threads: TRUE -- ================ !Done. No more nightmare! ================ -- Configuring done -- Generating done -- Build files have been written to: /home/guy/Projects/flightmare/flightlib/build/temp.linux-x86_64-3.8 Scanning dependencies of target gtest Scanning dependencies of target yaml-cpp [ 1%] Building CXX object ../../externals/googletest-build/googletest/CMakeFiles/gtest.dir/src/gtest-all.cc.o [ 2%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/contrib/graphbuilderadapter.cpp.o [ 5%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/contrib/graphbuilder.cpp.o [ 5%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/binary.cpp.o [ 6%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/convert.cpp.o [ 8%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/depthguard.cpp.o [ 9%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/directives.cpp.o [ 10%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/emit.cpp.o [ 12%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/emitfromevents.cpp.o [ 13%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/emitter.cpp.o [ 14%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/emitterstate.cpp.o [ 16%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/emitterutils.cpp.o [ 17%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/exceptions.cpp.o [ 18%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/exp.cpp.o [ 20%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/memory.cpp.o [ 21%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/node.cpp.o [ 22%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/node_data.cpp.o [ 24%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/nodebuilder.cpp.o [ 25%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/nodeevents.cpp.o [ 27%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/null.cpp.o [ 28%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/ostream_wrapper.cpp.o [ 29%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/parse.cpp.o [ 31%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/parser.cpp.o [ 32%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/regex_yaml.cpp.o [ 33%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/scanner.cpp.o [ 35%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/scanscalar.cpp.o [ 36%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/scantag.cpp.o [ 37%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/scantoken.cpp.o [ 39%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/simplekey.cpp.o [ 40%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/singledocparser.cpp.o [ 41%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/stream.cpp.o [ 43%] Building CXX object ../../externals/yaml-build/CMakeFiles/yaml-cpp.dir/src/tag.cpp.o [ 44%] Linking CXX static library libyaml-cpp.a [ 44%] Built target yaml-cpp Scanning dependencies of target flightlib [ 45%] Building CXX object CMakeFiles/flightlib.dir/src/common/command.cpp.o [ 47%] Building CXX object CMakeFiles/flightlib.dir/src/common/integrator_base.cpp.o [ 48%] Building CXX object CMakeFiles/flightlib.dir/src/bridges/unity_bridge.cpp.o [ 50%] Linking CXX static library ../../../build/temp.linux-x86_64-3.8/lib/libgtest.a [ 50%] Built target gtest [ 51%] Building CXX object CMakeFiles/flightlib.dir/src/common/integrator_euler.cpp.o [ 52%] Building CXX object CMakeFiles/flightlib.dir/src/common/integrator_rk4.cpp.o [ 54%] Building CXX object CMakeFiles/flightlib.dir/src/common/logger.cpp.o [ 55%] Building CXX object CMakeFiles/flightlib.dir/src/common/math.cpp.o [ 56%] Building CXX object CMakeFiles/flightlib.dir/src/common/parameter_base.cpp.o /home/guy/Projects/flightmare/flightlib/src/bridges/unity_bridge.cpp: In member function ‘bool flightlib::UnityBridge::handleOutput()’: /home/guy/Projects/flightmare/flightlib/src/bridges/unity_bridge.cpp:237:46: error: ‘CV_RGB2BGR’ was not declared in this scope; did you mean ‘CV_RGB’? 237 | cv::cvtColor(new_image, new_image, CV_RGB2BGR); | ^~~~~~~~~~ | CV_RGB [ 58%] Building CXX object CMakeFiles/flightlib.dir/src/common/pend_state.cpp.o [ 59%] Building CXX object CMakeFiles/flightlib.dir/src/common/quad_state.cpp.o make[2]: *** [CMakeFiles/flightlib.dir/build.make:63: CMakeFiles/flightlib.dir/src/bridges/unity_bridge.cpp.o] Error 1 make[2]: *** Waiting for unfinished jobs.... Scanning dependencies of target gtest_main [ 60%] Building CXX object ../../externals/googletest-build/googletest/CMakeFiles/gtest_main.dir/src/gtest_main.cc.o [ 62%] Linking CXX static library ../../../build/temp.linux-x86_64-3.8/lib/libgtest_main.a [ 62%] Built target gtest_main make[1]: *** [CMakeFiles/Makefile2:321: CMakeFiles/flightlib.dir/all] Error 2 make: *** [Makefile:141: all] Error 2 Traceback (most recent call last): File "", line 1, in File "/home/guy/Projects/flightmare/flightlib/setup.py", line 94, in setup( File "/home/guy/Projects/venv/lib/python3.8/site-packages/setuptools/init.py", line 145, in setup return distutils.core.setup(**attrs) File "/usr/lib/python3.8/distutils/core.py", line 148, in setup dist.run_commands() File "/usr/lib/python3.8/distutils/dist.py", line 966, in run_commands self.run_command(cmd) File "/usr/lib/python3.8/distutils/dist.py", line 985, in run_command cmd_obj.run() File "/home/guy/Projects/venv/lib/python3.8/site-packages/setuptools/command/develop.py", line 38, in run self.install_for_development() File "/home/guy/Projects/venv/lib/python3.8/site-packages/setuptools/command/develop.py", line 140, in install_for_development self.run_command('build_ext') File "/usr/lib/python3.8/distutils/cmd.py", line 313, in run_command self.distribution.run_command(command) File "/usr/lib/python3.8/distutils/dist.py", line 985, in run_command cmd_obj.run() File "/home/guy/Projects/flightmare/flightlib/setup.py", line 59, in run self.build_extension(ext) File "/home/guy/Projects/flightmare/flightlib/setup.py", line 90, in build_extension subprocess.check_call(['cmake', '--build', '.'] + File "/usr/lib/python3.8/subprocess.py", line 364, in check_call raise CalledProcessError(retcode, cmd) subprocess.CalledProcessError: Command '['cmake', '--build', '.', '--config', 'Release', '--', '-j4']' returned non-zero exit status 2. ---------------------------------------- ERROR: Can't roll back flightgym; was not uninstalled ERROR: Command errored out with exit status 1: /home/guy/Projects/venv/bin/python3 -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/home/guy/Projects/flightmare/flightlib/setup.py'"'"'; file='"'"'/home/guy/Projects/flightmare/flightlib/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(file);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, file, '"'"'exec'"'"'))' develop --no-deps Check the logs for full command output

[slimeth]

It's a version problem as we don't use CV 4.2. There has been a solution proposed in this issue.

[siddas27]

Following the below link worked for me. https://github.com/uzh-rpg/flightmare/wiki/Install-with-pip