When I tried to install a datatable using pythom -m pip install datatable in python 3.7.4, I received the following error message:
Complete output (26 lines):
Start setup.py
command = `install`
Find an LLVM installation
Environment variable LLVM is not set
Environment variable LLVM7 is not set
Environment variable LLVM6 is not set
Environment variable LLVM5 is not set
Environment variable LLVM4 is not set
Candidate directory `/usr/local/opt/llvm` not found
The build will proceed without Llvm support
Determine the compiler
Environment variable `CXX` is not set
Environment variable `CC` is not set
Llvm installation not found, cannot search for the clang++ compiler
'compiler_cxx'
Compiler `clang++.exe` is not found
Compiler `gcc.exe` is not found
Prepare the environment
SystemExit: Suitable C++ compiler cannot be determined. Please specify a compiler executable in the `CXX` environment variable.
----------------------------------------
ERROR: Command errored out with exit status 1: 'C:\Users\Kazerooni\AppData\Local\Programs\Python\Python37-32\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\KAZERO~1\\AppData\\Local\\Temp\\pip-install-v4t9g3f2\\datatable\\setup.py'"'"'; __file__='"'"'C:\\Users\\KAZERO~1\\AppData\\Local\\Temp\\pip-install-v4t9g3f2\\datatable\\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record 'C:\Users\KAZERO~1\AppData\Local\Temp\pip-record-tjfm4gd6\install-record.txt' --single-version-externally-managed --compile Check the logs for full command output.
