c:\Program Files\HepMC3-3.2.3-build>cmake -DHEPMC3_ENABLE_ROOTIO=OFF -DCMAKE_INSTALL_PREFIX=../HepMC3-3.2.3-install ../HepMC3-3.2.3 -- Building for: Visual Studio 16 2019 -- Selecting Windows SDK version 10.0.19041.0 to target Windows 10.0.18363. -- The C compiler identification is MSVC 19.26.28805.0 -- The CXX compiler identification is MSVC 19.26.28805.0 -- Check for working C compiler: C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/VC/Tools/MSVC/14.26.28801/bin/Hostx64/x64/cl.exe -- Check for working C compiler: C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/VC/Tools/MSVC/14.26.28801/bin/Hostx64/x64/cl.exe - 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: C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/VC/Tools/MSVC/14.26.28801/bin/Hostx64/x64/cl.exe -- Check for working CXX compiler: C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/VC/Tools/MSVC/14.26.28801/bin/Hostx64/x64/cl.exe - works -- Detecting CXX compiler ABI info -- Detecting CXX compiler ABI info - done -- Detecting CXX compile features -- Detecting CXX compile features - done -- HepMC3 Build type not specified, use: Release -- HepMC3: HEPMC3_ENABLE_SEARCH ON -- HepMC3: HEPMC3_ENABLE_ROOTIO OFF -- HepMC3: HEPMC3_ENABLE_PYTHON ON -- HepMC3: HEPMC3_PYTHON_VERSIONS 2.X,3.X -- HepMC3: HEPMC3_ENABLE_TEST OFF -- HepMC3: HEPMC3_BUILD_DOCS OFF -- HepMC3: HEPMC3_BUILD_EXAMPLES OFF -- HepMC3: HEPMC3_INSTALL_INTERFACES OFF -- HepMC3: HEPMC3_ROOTIO_INSTALL_LIBDIR lib -- Performing Test COMPILER_SUPPORTS_-std=c++11 -- Performing Test COMPILER_SUPPORTS_-std=c++11 - Success -- Performing Test COMPILER_SUPPORTS_/bigobj -- Performing Test COMPILER_SUPPORTS_/bigobj - Success -- Performing Test COMPILER_SUPPORTS_/EHsc -- Performing Test COMPILER_SUPPORTS_/EHsc - Success -- Performing Test COMPILER_SUPPORTS_/D_CRT_SECURE_NO_WARNINGS -- Performing Test COMPILER_SUPPORTS_/D_CRT_SECURE_NO_WARNINGS - Success -- Performing Test COMPILER_SUPPORTS_/wd4267 -- Performing Test COMPILER_SUPPORTS_/wd4267 - Success -- Performing Test COMPILER_SUPPORTS_/wd4244 -- Performing Test COMPILER_SUPPORTS_/wd4244 - Success -- Performing Test COMPILER_SUPPORTS_/wd4477 -- Performing Test COMPILER_SUPPORTS_/wd4477 - Success -- HepMC3: CMAKE_CXX_COMPILER_ID MSVC -- HepMC3: CMAKE_CXX_FLAGS /DWIN32 /D_WINDOWS /W3 /GR /EHsc -std=c++11 /bigobj /EHsc /D_CRT_SECURE_NO_WARNINGS /wd4267 /wd4244 /wd4477 /MD /O2 /Ob2 /DNDEBUG -- HepMC3: CMAKE_C_COMPILER_ID MSVC -- Performing Test COMPILER_SUPPORTS_-Wno-unused-but-set-variable -- Performing Test COMPILER_SUPPORTS_-Wno-unused-but-set-variable - Failed -- Performing Test COMPILER_SUPPORTS_-Wno-unused-value -- Performing Test COMPILER_SUPPORTS_-Wno-unused-value - Failed -- Could NOT find Python (missing: Python_EXECUTABLE Python_LIBRARIES Python_INCLUDE_DIRS Interpreter Development.Module) (Required is at least version "2") CMake Error at python/CMakeLists.txt:282 (if): if given arguments: "Python_INCLUDE_DIRS" "AND" "Python_EXECUTABLE" "AND" "(" "(" "STREQUAL" "2" "AND" "X" "STREQUAL" "X" ")" "OR" "." "STREQUAL" "2.X" ")" Unknown arguments specified Call Stack (most recent call first): python/CMakeLists.txt:522 (bindings) -- Configuring incomplete, errors occurred! See also "C:/Program Files/HepMC3-3.2.3-build/CMakeFiles/CMakeOutput.log". See also "C:/Program Files/HepMC3-3.2.3-build/CMakeFiles/CMakeError.log".