Pybind11: Build issue on max OS

[Jeff-avatar]

Issue description

I downloaded pybind11 and ran the following steps as mentioned in the document - http://pybind11.readthedocs.io/en/master/basics.html

mkdir build
cd build
cmake ..
make check -j 4

Then I have the following make errors:
username@user-macbook-pro-2 build % make check -j 4 -- Install configuration: "MinSizeRel" -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11 -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/attr.h -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/embed.h -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/numpy.h -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/pybind11.h -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/operators.h -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/iostream.h -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/chrono.h -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/stl_bind.h -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/buffer_info.h -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/options.h -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/functional.h -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/stl.h -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/detail -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/detail/typeid.h -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/detail/descr.h -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/detail/internals.h -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/detail/common.h -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/detail/class.h -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/detail/init.h -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/common.h -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/eval.h -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/cast.h -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/eigen.h -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/pytypes.h -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/complex.h -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/share/cmake/pybind11/pybind11Config.cmake -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/share/cmake/pybind11/pybind11ConfigVersion.cmake -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/share/cmake/pybind11/FindPythonLibsNew.cmake -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/share/cmake/pybind11/pybind11Tools.cmake -- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/share/cmake/pybind11/pybind11Targets.cmake [ 0%] Built target mock_install [ 81%] Built target pybind11_tests [ 85%] Built target pybind11_cross_module_tests [ 89%] Built target cross_module_gil_utils [ 93%] Built target external_module [100%] Built target test_embed [100%] Built target test_installed_function make[3]: *** [tests/test_cmake_build/CMakeFiles/test_installed_embed] Error 1 make[2]: *** [tests/test_cmake_build/CMakeFiles/test_installed_embed.dir/all] Error 2 make[2]: *** Waiting for unfinished jobs.... make[3]: *** [tests/test_cmake_build/CMakeFiles/test_subdirectory_target] Error 1 make[3]: *** [tests/test_cmake_build/CMakeFiles/test_subdirectory_embed] Error 1 make[3]: *** [tests/test_cmake_build/CMakeFiles/test_subdirectory_function] Error 1 make[2]: *** [tests/test_cmake_build/CMakeFiles/test_subdirectory_target.dir/all] Error 2 make[2]: *** [tests/test_cmake_build/CMakeFiles/test_subdirectory_embed.dir/all] Error 2 make[2]: *** [tests/test_cmake_build/CMakeFiles/test_subdirectory_function.dir/all] Error 2 make[1]: *** [tests/CMakeFiles/check.dir/rule] Error 2 make: *** [check] Error 2
Any body has an idea to solve this problem? Thank you very much. I am on a macbook pro with MacOS Catalina Version 10.15.4. And I have python 2.7 and python 3.7 installed on my Mac.

[YannickJadoul]

This is just building pybind11's own tests?

I don't see where the error is happening, though. Could you please:

1. make sure to clear out the build directory and run CMake again
2. post the command and output of running CMake
3. run the make command with the VERBOSE=1 environment variable set?

Hopefully that will make things more clear!

[Jeff-avatar]

This is just building pybind11's own tests?

I don't see where the error is happening, though. Could you please:

1. make sure to clear out the build directory and run CMake again
2. post the command and output of running CMake
3. run the make command with the VERBOSE=1 environment variable set?

Hopefully that will make things more clear!

After clear out the build directory and run CMake again, the output is as follows

user@user-macbook-pro-2 build % cmake -DDOWNLOAD_CATCH=1 ..
-- Building tests with Eigen v3.3.7
-- Downloading catch v1.9.3...
-- Building interpreter tests using Catch v1.9.3
-- Looking for C++ include pthread.h
-- Looking for C++ include pthread.h - found
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Success
-- Found Threads: TRUE
-- pybind11 v2.5.dev1
-- Configuring done
-- Generating done
-- Build files have been written to: /Users/zhihui/python_binding/pybind11-master/build

Then I run make command as follows and get the output:

user@user-macbook-pro-2 build % make VERBOSE=1 check -j 4
/usr/local/Cellar/cmake/3.17.0_1/bin/cmake -S/Users/zhihui/python_binding/pybind11-master -B/Users/zhihui/python_binding/pybind11-master/build --check-build-system CMakeFiles/Makefile.cmake 0
/Library/Developer/CommandLineTools/usr/bin/make -f CMakeFiles/Makefile2 check
/usr/local/Cellar/cmake/3.17.0_1/bin/cmake -S/Users/zhihui/python_binding/pybind11-master -B/Users/zhihui/python_binding/pybind11-master/build --check-build-system CMakeFiles/Makefile.cmake 0
/usr/local/Cellar/cmake/3.17.0_1/bin/cmake -E cmake_progress_start /Users/zhihui/python_binding/pybind11-master/build/CMakeFiles 48
/Library/Developer/CommandLineTools/usr/bin/make -f CMakeFiles/Makefile2 tests/CMakeFiles/check.dir/all
/Library/Developer/CommandLineTools/usr/bin/make -f tests/test_cmake_build/CMakeFiles/mock_install.dir/build.make tests/test_cmake_build/CMakeFiles/mock_install.dir/depend
/Library/Developer/CommandLineTools/usr/bin/make -f tests/test_cmake_build/CMakeFiles/test_subdirectory_function.dir/build.make tests/test_cmake_build/CMakeFiles/test_subdirectory_function.dir/depend
/Library/Developer/CommandLineTools/usr/bin/make -f tests/test_cmake_build/CMakeFiles/test_subdirectory_embed.dir/build.make tests/test_cmake_build/CMakeFiles/test_subdirectory_embed.dir/depend
/Library/Developer/CommandLineTools/usr/bin/make -f tests/test_cmake_build/CMakeFiles/test_subdirectory_target.dir/build.make tests/test_cmake_build/CMakeFiles/test_subdirectory_target.dir/depend
cd /Users/zhihui/python_binding/pybind11-master/build && /usr/local/Cellar/cmake/3.17.0_1/bin/cmake -E cmake_depends "Unix Makefiles" /Users/zhihui/python_binding/pybind11-master /Users/zhihui/python_binding/pybind11-master/tests/test_cmake_build /Users/zhihui/python_binding/pybind11-master/build /Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build /Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build/CMakeFiles/test_subdirectory_function.dir/DependInfo.cmake --color=
cd /Users/zhihui/python_binding/pybind11-master/build && /usr/local/Cellar/cmake/3.17.0_1/bin/cmake -E cmake_depends "Unix Makefiles" /Users/zhihui/python_binding/pybind11-master /Users/zhihui/python_binding/pybind11-master/tests/test_cmake_build /Users/zhihui/python_binding/pybind11-master/build /Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build /Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build/CMakeFiles/mock_install.dir/DependInfo.cmake --color=
cd /Users/zhihui/python_binding/pybind11-master/build && /usr/local/Cellar/cmake/3.17.0_1/bin/cmake -E cmake_depends "Unix Makefiles" /Users/zhihui/python_binding/pybind11-master /Users/zhihui/python_binding/pybind11-master/tests/test_cmake_build /Users/zhihui/python_binding/pybind11-master/build /Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build /Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build/CMakeFiles/test_subdirectory_target.dir/DependInfo.cmake --color=
cd /Users/zhihui/python_binding/pybind11-master/build && /usr/local/Cellar/cmake/3.17.0_1/bin/cmake -E cmake_depends "Unix Makefiles" /Users/zhihui/python_binding/pybind11-master /Users/zhihui/python_binding/pybind11-master/tests/test_cmake_build /Users/zhihui/python_binding/pybind11-master/build /Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build /Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build/CMakeFiles/test_subdirectory_embed.dir/DependInfo.cmake --color=
Dependee "/Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build/CMakeFiles/mock_install.dir/DependInfo.cmake" is newer than depender "/Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build/CMakeFiles/mock_install.dir/depend.internal".
Dependee "/Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build/CMakeFiles/test_subdirectory_target.dir/DependInfo.cmake" is newer than depender "/Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build/CMakeFiles/test_subdirectory_target.dir/depend.internal".
Dependee "/Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build/CMakeFiles/test_subdirectory_function.dir/DependInfo.cmake" is newer than depender "/Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build/CMakeFiles/test_subdirectory_function.dir/depend.internal".
Dependee "/Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build/CMakeFiles/test_subdirectory_embed.dir/DependInfo.cmake" is newer than depender "/Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build/CMakeFiles/test_subdirectory_embed.dir/depend.internal".
Dependee "/Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build/CMakeFiles/CMakeDirectoryInformation.cmake" is newer than depender "/Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build/CMakeFiles/test_subdirectory_embed.dir/depend.internal".
Dependee "/Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build/CMakeFiles/CMakeDirectoryInformation.cmake" is newer than depender "/Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build/CMakeFiles/test_subdirectory_target.dir/depend.internal".
Dependee "/Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build/CMakeFiles/CMakeDirectoryInformation.cmake" is newer than depender "/Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build/CMakeFiles/mock_install.dir/depend.internal".
Scanning dependencies of target test_subdirectory_embed
Dependee "/Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build/CMakeFiles/CMakeDirectoryInformation.cmake" is newer than depender "/Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build/CMakeFiles/test_subdirectory_function.dir/depend.internal".
Scanning dependencies of target test_subdirectory_target
Scanning dependencies of target mock_install
Scanning dependencies of target test_subdirectory_function
/Library/Developer/CommandLineTools/usr/bin/make -f tests/test_cmake_build/CMakeFiles/test_subdirectory_target.dir/build.make tests/test_cmake_build/CMakeFiles/test_subdirectory_target.dir/build
/Library/Developer/CommandLineTools/usr/bin/make -f tests/test_cmake_build/CMakeFiles/test_subdirectory_embed.dir/build.make tests/test_cmake_build/CMakeFiles/test_subdirectory_embed.dir/build
/Library/Developer/CommandLineTools/usr/bin/make -f tests/test_cmake_build/CMakeFiles/test_subdirectory_function.dir/build.make tests/test_cmake_build/CMakeFiles/test_subdirectory_function.dir/build
/Library/Developer/CommandLineTools/usr/bin/make -f tests/test_cmake_build/CMakeFiles/mock_install.dir/build.make tests/test_cmake_build/CMakeFiles/mock_install.dir/build
cd /Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build && /usr/local/Cellar/cmake/3.17.0_1/bin/ctest --quiet --output-log subdirectory_target.log --build-and-test /Users/zhihui/python_binding/pybind11-master/tests/test_cmake_build/subdirectory_target /Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build/subdirectory_target --build-config Release --build-noclean --build-generator Unix\ Makefiles  --build-makeprogram /usr/bin/make --build-target check --build-options -DCMAKE_PREFIX_PATH=/Users/zhihui/python_binding/pybind11-master/build/mock_install -DCMAKE_CXX_COMPILER=/Library/Developer/CommandLineTools/usr/bin/c++ -DPYTHON_EXECUTABLE:FILEPATH=/usr/local/bin/python3.7 -DPYBIND11_CPP_STANDARD= -DPYBIND11_PROJECT_DIR=/Users/zhihui/python_binding/pybind11-master
cd /Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build && /usr/local/Cellar/cmake/3.17.0_1/bin/ctest --quiet --output-log subdirectory_embed.log --build-and-test /Users/zhihui/python_binding/pybind11-master/tests/test_cmake_build/subdirectory_embed /Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build/subdirectory_embed --build-config Release --build-noclean --build-generator Unix\ Makefiles  --build-makeprogram /usr/bin/make --build-target check --build-options -DCMAKE_PREFIX_PATH=/Users/zhihui/python_binding/pybind11-master/build/mock_install -DCMAKE_CXX_COMPILER=/Library/Developer/CommandLineTools/usr/bin/c++ -DPYTHON_EXECUTABLE:FILEPATH=/usr/local/bin/python3.7 -DPYBIND11_CPP_STANDARD= -DPYBIND11_PROJECT_DIR=/Users/zhihui/python_binding/pybind11-master
cd /Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build && /usr/local/Cellar/cmake/3.17.0_1/bin/ctest --quiet --output-log subdirectory_function.log --build-and-test /Users/zhihui/python_binding/pybind11-master/tests/test_cmake_build/subdirectory_function /Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build/subdirectory_function --build-config Release --build-noclean --build-generator Unix\ Makefiles  --build-makeprogram /usr/bin/make --build-target check --build-options -DCMAKE_PREFIX_PATH=/Users/zhihui/python_binding/pybind11-master/build/mock_install -DCMAKE_CXX_COMPILER=/Library/Developer/CommandLineTools/usr/bin/c++ -DPYTHON_EXECUTABLE:FILEPATH=/usr/local/bin/python3.7 -DPYBIND11_CPP_STANDARD= -DPYBIND11_PROJECT_DIR=/Users/zhihui/python_binding/pybind11-master
cd /Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build && /usr/local/Cellar/cmake/3.17.0_1/bin/cmake -DCMAKE_INSTALL_PREFIX=/Users/zhihui/python_binding/pybind11-master/build/mock_install -P /Users/zhihui/python_binding/pybind11-master/build/cmake_install.cmake
-- Install configuration: "MinSizeRel"
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/attr.h
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/embed.h
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/numpy.h
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/pybind11.h
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/operators.h
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/iostream.h
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/chrono.h
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/stl_bind.h
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/buffer_info.h
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/options.h
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/functional.h
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/stl.h
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/detail
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/detail/typeid.h
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/detail/descr.h
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/detail/internals.h
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/detail/common.h
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/detail/class.h
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/detail/init.h
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/common.h
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/eval.h
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/cast.h
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/eigen.h
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/pytypes.h
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/complex.h
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/share/cmake/pybind11/pybind11Config.cmake
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/share/cmake/pybind11/pybind11ConfigVersion.cmake
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/share/cmake/pybind11/FindPythonLibsNew.cmake
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/share/cmake/pybind11/pybind11Tools.cmake
-- Installing: /Users/zhihui/python_binding/pybind11-master/build/mock_install/share/cmake/pybind11/pybind11Targets.cmake
[  0%] Built target mock_install
/Library/Developer/CommandLineTools/usr/bin/make -f tests/CMakeFiles/pybind11_tests.dir/build.make tests/CMakeFiles/pybind11_tests.dir/depend
cd /Users/zhihui/python_binding/pybind11-master/build && /usr/local/Cellar/cmake/3.17.0_1/bin/cmake -E cmake_depends "Unix Makefiles" /Users/zhihui/python_binding/pybind11-master /Users/zhihui/python_binding/pybind11-master/tests /Users/zhihui/python_binding/pybind11-master/build /Users/zhihui/python_binding/pybind11-master/build/tests /Users/zhihui/python_binding/pybind11-master/build/tests/CMakeFiles/pybind11_tests.dir/DependInfo.cmake --color=
Dependee "/Users/zhihui/python_binding/pybind11-master/build/tests/CMakeFiles/pybind11_tests.dir/DependInfo.cmake" is newer than depender "/Users/zhihui/python_binding/pybind11-master/build/tests/CMakeFiles/pybind11_tests.dir/depend.internal".
Dependee "/Users/zhihui/python_binding/pybind11-master/build/tests/CMakeFiles/CMakeDirectoryInformation.cmake" is newer than depender "/Users/zhihui/python_binding/pybind11-master/build/tests/CMakeFiles/pybind11_tests.dir/depend.internal".
Scanning dependencies of target pybind11_tests
/Library/Developer/CommandLineTools/usr/bin/make -f tests/CMakeFiles/pybind11_tests.dir/build.make tests/CMakeFiles/pybind11_tests.dir/build
[  2%] Building CXX object tests/CMakeFiles/pybind11_tests.dir/pybind11_tests.cpp.o
cd /Users/zhihui/python_binding/pybind11-master/build/tests && /Library/Developer/CommandLineTools/usr/bin/c++  -DPYBIND11_TEST_BOOST -DPYBIND11_TEST_EIGEN -Dpybind11_tests_EXPORTS -I/Users/zhihui/python_binding/pybind11-master/include -I/usr/local/Cellar/python/3.7.7/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I/usr/local/include -isystem /usr/local/include/eigen3  -Os -DNDEBUG -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -fPIC -fvisibility=hidden   -flto=thin -Wall -Wextra -Wconversion -Wcast-qual -Wdeprecated -std=c++14 -o CMakeFiles/pybind11_tests.dir/pybind11_tests.cpp.o -c /Users/zhihui/python_binding/pybind11-master/tests/pybind11_tests.cpp
make[3]: *** [tests/test_cmake_build/CMakeFiles/test_subdirectory_target] Error 1
make[2]: *** [tests/test_cmake_build/CMakeFiles/test_subdirectory_target.dir/all] Error 2
make[2]: *** Waiting for unfinished jobs....
make[3]: *** [tests/test_cmake_build/CMakeFiles/test_subdirectory_embed] Error 1
make[2]: *** [tests/test_cmake_build/CMakeFiles/test_subdirectory_embed.dir/all] Error 2
[  4%] Building CXX object tests/CMakeFiles/pybind11_tests.dir/test_async.cpp.o
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[ 60%] Building CXX object tests/CMakeFiles/pybind11_tests.dir/test_operator_overloading.cpp.o
cd /Users/zhihui/python_binding/pybind11-master/build/tests && /Library/Developer/CommandLineTools/usr/bin/c++  -DPYBIND11_TEST_BOOST -DPYBIND11_TEST_EIGEN -Dpybind11_tests_EXPORTS -I/Users/zhihui/python_binding/pybind11-master/include -I/usr/local/Cellar/python/3.7.7/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I/usr/local/include -isystem /usr/local/include/eigen3  -Os -DNDEBUG -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -fPIC -fvisibility=hidden   -flto=thin -Wall -Wextra -Wconversion -Wcast-qual -Wdeprecated -std=c++14 -o CMakeFiles/pybind11_tests.dir/test_operator_overloading.cpp.o -c /Users/zhihui/python_binding/pybind11-master/tests/test_operator_overloading.cpp
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/Users/zhihui/python_binding/pybind11-master/tests/test_operator_overloading.cpp:116:23: warning: explicitly assigning value of variable of type 'const pybind11::detail::self_t' to itself
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2 warnings generated.
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[ 75%] Building CXX object tests/CMakeFiles/pybind11_tests.dir/test_tagbased_polymorphic.cpp.o
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cd /Users/zhihui/python_binding/pybind11-master/build/tests && /usr/local/bin/python3.7 /Users/zhihui/python_binding/pybind11-master/tools/libsize.py /Users/zhihui/python_binding/pybind11-master/tests/pybind11_tests.cpython-37m-darwin.so /Users/zhihui/python_binding/pybind11-master/build/tests/sosize-pybind11_tests.cpython-37m-darwin.so.txt
------ pybind11_tests.cpython-37m-darwin.so file size: 2067524
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make[1]: *** [tests/CMakeFiles/check.dir/rule] Error 2
make: *** [check] Error 2

[YannickJadoul]

Huh, weird. I still don't see how. But could you now run again without parallelism (-j 4)? That seems to be really messing up the output order. Better to just get errors sequentially, in these cases.

[Jeff-avatar]

Huh, weird. I still don't see how. But could you now run again without parallelism (-j 4)? That seems to be really messing up the output order. Better to just get errors sequentially, in these cases.

user@user-macbook-pro-2 build % make VERBOSE=1 check
/usr/local/Cellar/cmake/3.17.0_1/bin/cmake -S/Users/zhihui/python_binding/pybind11-master -B/Users/zhihui/python_binding/pybind11-master/build --check-build-system CMakeFiles/Makefile.cmake 0
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/usr/local/Cellar/cmake/3.17.0_1/bin/cmake -E cmake_progress_start /Users/zhihui/python_binding/pybind11-master/build/CMakeFiles 48
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cd /Users/zhihui/python_binding/pybind11-master/build && /usr/local/Cellar/cmake/3.17.0_1/bin/cmake -E cmake_depends "Unix Makefiles" /Users/zhihui/python_binding/pybind11-master /Users/zhihui/python_binding/pybind11-master/tests/test_cmake_build /Users/zhihui/python_binding/pybind11-master/build /Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build /Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build/CMakeFiles/mock_install.dir/DependInfo.cmake --color=
cd /Users/zhihui/python_binding/pybind11-master/build && /usr/local/Cellar/cmake/3.17.0_1/bin/cmake -E cmake_depends "Unix Makefiles" /Users/zhihui/python_binding/pybind11-master /Users/zhihui/python_binding/pybind11-master/tests/test_cmake_build /Users/zhihui/python_binding/pybind11-master/build /Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build /Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build/CMakeFiles/test_subdirectory_function.dir/DependInfo.cmake --color=
cd /Users/zhihui/python_binding/pybind11-master/build && /usr/local/Cellar/cmake/3.17.0_1/bin/cmake -E cmake_depends "Unix Makefiles" /Users/zhihui/python_binding/pybind11-master /Users/zhihui/python_binding/pybind11-master/tests/test_cmake_build /Users/zhihui/python_binding/pybind11-master/build /Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build /Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build/CMakeFiles/test_subdirectory_embed.dir/DependInfo.cmake --color=
cd /Users/zhihui/python_binding/pybind11-master/build && /usr/local/Cellar/cmake/3.17.0_1/bin/cmake -E cmake_depends "Unix Makefiles" /Users/zhihui/python_binding/pybind11-master /Users/zhihui/python_binding/pybind11-master/tests/test_cmake_build /Users/zhihui/python_binding/pybind11-master/build /Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build /Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build/CMakeFiles/test_subdirectory_target.dir/DependInfo.cmake --color=
/Library/Developer/CommandLineTools/usr/bin/make -f tests/test_cmake_build/CMakeFiles/test_subdirectory_embed.dir/build.make tests/test_cmake_build/CMakeFiles/test_subdirectory_embed.dir/build
/Library/Developer/CommandLineTools/usr/bin/make -f tests/test_cmake_build/CMakeFiles/test_subdirectory_target.dir/build.make tests/test_cmake_build/CMakeFiles/test_subdirectory_target.dir/build
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cd /Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build && /usr/local/Cellar/cmake/3.17.0_1/bin/ctest --quiet --output-log subdirectory_function.log --build-and-test /Users/zhihui/python_binding/pybind11-master/tests/test_cmake_build/subdirectory_function /Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build/subdirectory_function --build-config Release --build-noclean --build-generator Unix\ Makefiles  --build-makeprogram /usr/bin/make --build-target check --build-options -DCMAKE_PREFIX_PATH=/Users/zhihui/python_binding/pybind11-master/build/mock_install -DCMAKE_CXX_COMPILER=/Library/Developer/CommandLineTools/usr/bin/c++ -DPYTHON_EXECUTABLE:FILEPATH=/usr/local/bin/python3.7 -DPYBIND11_CPP_STANDARD= -DPYBIND11_PROJECT_DIR=/Users/zhihui/python_binding/pybind11-master
cd /Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build && /usr/local/Cellar/cmake/3.17.0_1/bin/ctest --quiet --output-log subdirectory_embed.log --build-and-test /Users/zhihui/python_binding/pybind11-master/tests/test_cmake_build/subdirectory_embed /Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build/subdirectory_embed --build-config Release --build-noclean --build-generator Unix\ Makefiles  --build-makeprogram /usr/bin/make --build-target check --build-options -DCMAKE_PREFIX_PATH=/Users/zhihui/python_binding/pybind11-master/build/mock_install -DCMAKE_CXX_COMPILER=/Library/Developer/CommandLineTools/usr/bin/c++ -DPYTHON_EXECUTABLE:FILEPATH=/usr/local/bin/python3.7 -DPYBIND11_CPP_STANDARD= -DPYBIND11_PROJECT_DIR=/Users/zhihui/python_binding/pybind11-master
cd /Users/zhihui/python_binding/pybind11-master/build/tests/test_cmake_build && /usr/local/Cellar/cmake/3.17.0_1/bin/cmake -DCMAKE_INSTALL_PREFIX=/Users/zhihui/python_binding/pybind11-master/build/mock_install -P /Users/zhihui/python_binding/pybind11-master/build/cmake_install.cmake
-- Install configuration: "MinSizeRel"
-- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11
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-- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/numpy.h
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-- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/operators.h
-- Up-to-date: /Users/zhihui/python_binding/pybind11-master/build/mock_install/include/pybind11/iostream.h
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/Library/Developer/CommandLineTools/usr/bin/make -f tests/CMakeFiles/pybind11_tests.dir/build.make tests/CMakeFiles/pybind11_tests.dir/depend
cd /Users/zhihui/python_binding/pybind11-master/build && /usr/local/Cellar/cmake/3.17.0_1/bin/cmake -E cmake_depends "Unix Makefiles" /Users/zhihui/python_binding/pybind11-master /Users/zhihui/python_binding/pybind11-master/tests /Users/zhihui/python_binding/pybind11-master/build /Users/zhihui/python_binding/pybind11-master/build/tests /Users/zhihui/python_binding/pybind11-master/build/tests/CMakeFiles/pybind11_tests.dir/DependInfo.cmake --color=
/Library/Developer/CommandLineTools/usr/bin/make -f tests/CMakeFiles/pybind11_tests.dir/build.make tests/CMakeFiles/pybind11_tests.dir/build
make[3]: Nothing to be done for `tests/CMakeFiles/pybind11_tests.dir/build'.
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/Library/Developer/CommandLineTools/usr/bin/make -f tests/CMakeFiles/pybind11_cross_module_tests.dir/build.make tests/CMakeFiles/pybind11_cross_module_tests.dir/depend
cd /Users/zhihui/python_binding/pybind11-master/build && /usr/local/Cellar/cmake/3.17.0_1/bin/cmake -E cmake_depends "Unix Makefiles" /Users/zhihui/python_binding/pybind11-master /Users/zhihui/python_binding/pybind11-master/tests /Users/zhihui/python_binding/pybind11-master/build /Users/zhihui/python_binding/pybind11-master/build/tests /Users/zhihui/python_binding/pybind11-master/build/tests/CMakeFiles/pybind11_cross_module_tests.dir/DependInfo.cmake --color=
Dependee "/Users/zhihui/python_binding/pybind11-master/build/tests/CMakeFiles/pybind11_cross_module_tests.dir/DependInfo.cmake" is newer than depender "/Users/zhihui/python_binding/pybind11-master/build/tests/CMakeFiles/pybind11_cross_module_tests.dir/depend.internal".
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Scanning dependencies of target pybind11_cross_module_tests
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[ 83%] Building CXX object tests/CMakeFiles/pybind11_cross_module_tests.dir/pybind11_cross_module_tests.cpp.o
cd /Users/zhihui/python_binding/pybind11-master/build/tests && /Library/Developer/CommandLineTools/usr/bin/c++  -DPYBIND11_TEST_BOOST -DPYBIND11_TEST_EIGEN -Dpybind11_cross_module_tests_EXPORTS -I/Users/zhihui/python_binding/pybind11-master/include -I/usr/local/Cellar/python/3.7.7/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I/usr/local/include -isystem /usr/local/include/eigen3  -Os -DNDEBUG -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -fPIC -fvisibility=hidden   -flto=thin -Wall -Wextra -Wconversion -Wcast-qual -Wdeprecated -std=c++14 -o CMakeFiles/pybind11_cross_module_tests.dir/pybind11_cross_module_tests.cpp.o -c /Users/zhihui/python_binding/pybind11-master/tests/pybind11_cross_module_tests.cpp
make[3]: *** [tests/test_cmake_build/CMakeFiles/test_subdirectory_function] Error 1
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make[2]: *** Waiting for unfinished jobs....
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cd /Users/zhihui/python_binding/pybind11-master/build/tests && /usr/local/Cellar/cmake/3.17.0_1/bin/cmake -E cmake_link_script CMakeFiles/pybind11_cross_module_tests.dir/link.txt --verbose=1
/Library/Developer/CommandLineTools/usr/bin/c++ -Os -DNDEBUG -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -bundle -Wl,-headerpad_max_install_names  -o ../../tests/pybind11_cross_module_tests.cpython-37m-darwin.so CMakeFiles/pybind11_cross_module_tests.dir/pybind11_cross_module_tests.cpp.o  -undefined dynamic_lookup -flto=thin
cd /Users/zhihui/python_binding/pybind11-master/build/tests && /Library/Developer/CommandLineTools/usr/bin/strip -x /Users/zhihui/python_binding/pybind11-master/tests/pybind11_cross_module_tests.cpython-37m-darwin.so
[ 85%] Built target pybind11_cross_module_tests
make[1]: *** [tests/CMakeFiles/check.dir/rule] Error 2
make: *** [check] Error 2

[YannickJadoul]

I can actually reproduce the error. Something weird seems to be going on. I'll get back to you if I figure out more.

[Jeff-avatar]

I can actually reproduce the error. Something weird seems to be going on. I'll get back to you if I figure out more.

Sounds great. Thank you.

[YannickJadoul]

One step closer: it happens during the test_subdirectory_function test of test_cmake_install, somehow.

Errors are dumped to a file tests/test_cmake_build/test_subdirectoy_function.log:

[OUTPUT]
Internal cmake changing into directory: /Users/yannick/pybind11/build/tests/test_cmake_build/subdirectory_function
======== CMake output     ======
Re-run cmake no build system arguments
pybind11 v2.5.dev1
Configuring done
Generating done
Build files have been written to: /Users/yannick/pybind11/build/tests/test_cmake_build/subdirectory_function
======== End CMake output ======
Change Dir: /Users/yannick/pybind11/build/tests/test_cmake_build/subdirectory_function

Run Build Command(s):/usr/bin/make check && /usr/local/Cellar/cmake/3.17.1/bin/cmake -S/Users/yannick/pybind11/tests/test_cmake_build/subdirectory_function -B/Users/yannick/pybind11/build/tests/test_cmak$
/Library/Developer/CommandLineTools/usr/bin/make  -f CMakeFiles/Makefile2 check
/usr/local/Cellar/cmake/3.17.1/bin/cmake -S/Users/yannick/pybind11/tests/test_cmake_build/subdirectory_function -B/Users/yannick/pybind11/build/tests/test_cmake_build/subdirectory_function --check-build-$
/usr/local/Cellar/cmake/3.17.1/bin/cmake -E cmake_progress_start /Users/yannick/pybind11/build/tests/test_cmake_build/subdirectory_function/CMakeFiles 2
/Library/Developer/CommandLineTools/usr/bin/make  -f CMakeFiles/Makefile2 CMakeFiles/check.dir/all
/Library/Developer/CommandLineTools/usr/bin/make  -f CMakeFiles/test_cmake_build.dir/build.make CMakeFiles/test_cmake_build.dir/depend
cd /Users/yannick/pybind11/build/tests/test_cmake_build/subdirectory_function && /usr/local/Cellar/cmake/3.17.1/bin/cmake -E cmake_depends "Unix Makefiles" /Users/yannick/pybind11/tests/test_cmake_build/$
/Library/Developer/CommandLineTools/usr/bin/make  -f CMakeFiles/test_cmake_build.dir/build.make CMakeFiles/test_cmake_build.dir/build
[ 50%] Building CXX object CMakeFiles/test_cmake_build.dir/Users/yannick/pybind11/tests/test_cmake_build/main.cpp.o
/Library/Developer/CommandLineTools/usr/bin/c++  -Dtest_cmake_build_EXPORTS -I/Users/yannick/pybind11/include -I/Library/Frameworks/Python.framework/Versions/3.8/include/python3.8  -O3 -DNDEBUG -isysroot$
In file included from /Users/yannick/pybind11/tests/test_cmake_build/main.cpp:1:
In file included from /Users/yannick/pybind11/include/pybind11/pybind11.h:44:
In file included from /Users/yannick/pybind11/include/pybind11/attr.h:13:
In file included from /Users/yannick/pybind11/include/pybind11/cast.h:13:
In file included from /Users/yannick/pybind11/include/pybind11/pytypes.h:12:
/Users/yannick/pybind11/include/pybind11/detail/common.h:326:17: warning: alias declarations are a C++11 extension [-Wc++11-extensions]
using ssize_t = Py_ssize_t;
                ^
/Users/yannick/pybind11/include/pybind11/detail/common.h:327:17: warning: alias declarations are a C++11 extension [-Wc++11-extensions]
using size_t  = std::size_t;
                ^
/Users/yannick/pybind11/include/pybind11/detail/common.h:330:6: warning: scoped enumerations are a C++11 extension [-Wc++11-extensions]
enum class return_value_policy : uint8_t {
     ^
/Users/yannick/pybind11/include/pybind11/detail/common.h:383:15: error: unknown type name 'constexpr'
inline static constexpr int log2(size_t n, int k = 0) { return (n <= 1) ? k : log2(n >> 1, k + 1); }
              ^
/Users/yannick/pybind11/include/pybind11/detail/common.h:383:25: error: expected unqualified-id
inline static constexpr int log2(size_t n, int k = 0) { return (n <= 1) ? k : log2(n >> 1, k + 1); }
                        ^
/Users/yannick/pybind11/include/pybind11/detail/common.h:386:15: error: unknown type name 'constexpr'
inline static constexpr size_t size_in_ptrs(size_t s) { return 1 + ((s - 1) >> log2(sizeof(void *))); }
              ^
/Users/yannick/pybind11/include/pybind11/detail/common.h:386:1: warning: inline variables are a C++17 extension [-Wc++17-extensions]
inline static constexpr size_t size_in_ptrs(size_t s) { return 1 + ((s - 1) >> log2(sizeof(void *))); }
^
/Users/yannick/pybind11/include/pybind11/detail/common.h:386:31: error: expected ';' after top level declarator
inline static constexpr size_t size_in_ptrs(size_t s) { return 1 + ((s - 1) >> log2(sizeof(void *))); }
                              ^

So for some reason, this test build is running without C++11 support.

[Jeff-avatar]

Please let me know if you have any suggestions to fix this. I don't really have any clue about this.

[bstaletic]

-std= is not being set at all. Considering that the compiler defaults to -std=c++98, this is a very old compiler.

[YannickJadoul]

I'm working on it, yes. Just some update on what's going wrong and why there's no output showing the error.

[YannickJadoul]

-std= is not being set at all. Considering that the compiler defaults to -std=c++98, this is a very old compiler.

Yes, but normally, pybind11 sets a minimum standard, no?

[henryiii]

This should fix it:

diff --git a/tests/test_cmake_build/CMakeLists.txt b/tests/test_cmake_build/CMakeLists.txt
index c9b5fcb..cf9a9ca 100644
--- a/tests/test_cmake_build/CMakeLists.txt
+++ b/tests/test_cmake_build/CMakeLists.txt
@@ -13,6 +13,7 @@ function(pybind11_add_build_test name)
   set(build_options "-DCMAKE_PREFIX_PATH=${PROJECT_BINARY_DIR}/mock_install"
                     "-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
                     "-DPYTHON_EXECUTABLE:FILEPATH=${PYTHON_EXECUTABLE}"
+                    "-DCMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD}"
                     "-DPYBIND11_CPP_STANDARD=${PYBIND11_CPP_STANDARD}")
   if(NOT ARG_INSTALL)
     list(APPEND build_options "-DPYBIND11_PROJECT_DIR=${PROJECT_SOURCE_DIR}")

[ax3l]

What the version of CMake you are using @Jeff-avatar ? It could also be that CMake is a bit old and does not yet use the new logic that sets this automatically: https://github.com/pybind/pybind11/blob/c4fd1fd9872b731e9df21347a09d094489776801/tools/pybind11Tools.cmake#L21-L34

[henryiii]

(This also happens on CMake 3.17 in GHA)

[henryiii]

This really should be done via compile-features, not CMAKE_CXX_STANDARD - you can't actually impose a CXX standard through a target, but you can require compile features. But for now, passing through the variable above fixes this test.

[YannickJadoul]

(This also happens on CMake 3.17 in GHA)

I managed to reproduce it 1.5 weeks ago, with the latest version of CMake brew had to offer

This should fix it:

Huh, wait, why does it not detect CMAKE_CXX_STANDARD inside of the test project, then?

In the debug output, from last week, I saw it first being detected and set, then somehow disappear:

$ make test_subdirectory_function
Scanning dependencies of target test_subdirectory_function
Internal cmake changing into directory: /Users/yannick/pybind11/build/tests/test_cmake_build/subdirectory_function
======== CMake output     ======
The CXX compiler identification is AppleClang 11.0.0.11000033
Check for working CXX compiler: /Library/Developer/CommandLineTools/usr/bin/c++
Check for working CXX compiler: /Library/Developer/CommandLineTools/usr/bin/c++ - works
Detecting CXX compiler ABI info
Detecting CXX compiler ABI info - done
Detecting CXX compile features
Detecting CXX compile features - done
Found PythonInterp: /usr/local/bin/python3.8 (found version "3.8.2") 
Found PythonLibs: /Library/Frameworks/Python.framework/Versions/3.8/lib/libpython3.8.dylib
PYBIND11_CPP_STANDARD=
CMAKE_CXX_STANDARD=14
pybind11 v2.5.dev1
PYBIND11_CPP_STANDARD=
CMAKE_CXX_STANDARD=
TEST=TEST-NOTFOUND
Performing Test HAS_FLTO_THIN
Performing Test HAS_FLTO_THIN - Success
LTO enabled
Configuring done
Generating done
Build files have been written to: /Users/yannick/pybind11/build/tests/test_cmake_build/subdirectory_function
======== End CMake output ======
[...]

[ax3l]

Yes, I was surprised @chuckatkins did not add compile features in #1428 / #2184 as well, but it could be related to the very old CMake version we are still supporting.

In the debug output, from last week, I saw it first being detected and set, then somehow disappear:

Oh wow, I see.

[YannickJadoul]

This should fix it:

That single line does fix it, so ... why not add it, then, I suppose.
Will you make a PR, @henryiii, or do you want me to do it?

(EDIT: Still not entirely happy to not understand why it failed before. But then I never perfectly understood parts of CMake...)

[ax3l]

I think the tests/test_cmake_build/CMakeLists.txt does not derive the CXX standard from pybind11Tools.cmake, which contains the compiler logic - so this is indeed manually set (and we should just add the manual line, yep).

[YannickJadoul]

I think the tests/test_cmake_build/CMakeLists.txt does not derive the CXX standard from pybind11Tools.cmake, which contains the compiler logic - so this is indeed manually set (and we should just add the manual line, yep).

It actually does get used, since that's where this

PYBIND11_CPP_STANDARD=
CMAKE_CXX_STANDARD=
TEST=TEST-NOTFOUND

debug output is:

diff --git a/tools/pybind11Tools.cmake b/tools/pybind11Tools.cmake
index a3603ab..df15900 100644
--- a/tools/pybind11Tools.cmake
+++ b/tools/pybind11Tools.cmake
@@ -146,7 +146,11 @@ function(pybind11_add_module target_name)
     set(exclude_from_all "")
   endif()

+message(PYBIND11_CPP_STANDARD=${PYBIND11_CPP_STANDARD})
+message(CMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD})
   add_library(${target_name} ${lib_type} ${exclude_from_all} ${ARG_UNPARSED_ARGUMENTS})
+get_target_property(TEST ${target_name} CXX_STANDARD)
+message(TEST=${TEST})

   if(ARG_SYSTEM)
     set(inc_isystem SYSTEM)