Cannot pip install fastecdsa on Windows 10

[Zachh99]

C:\Program Files (x86)\Python37-32\Scripts>pip install fastecdsa
Collecting fastecdsa
  Using cached https://files.pythonhosted.org/packages/41/b7/292c58a399df59a0c9f52878b73ca51b292d3b963f500f7c85414759b4f2/fastecdsa-1.7.4.tar.gz
Requirement already satisfied: six in c:\program files (x86)\python37-32\lib\site-packages (from fastecdsa) (1.12.0)
Building wheels for collected packages: fastecdsa
  Building wheel for fastecdsa (setup.py) ... error
  ERROR: Command errored out with exit status 1:
   command: 'c:\program files (x86)\python37-32\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\malik\\AppData\\Local\\Temp\\pip-install-0s2cfv5w\\fastecdsa\\setup.py'"'"'; __file__='"'"'C:\\Users\\malik\\AppData\\Local\\Temp\\pip-install-0s2cfv5w\\fastecdsa\\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' bdist_wheel -d 'C:\Users\malik\AppData\Local\Temp\pip-wheel-mpgsiicz' --python-tag cp37
       cwd: C:\Users\malik\AppData\Local\Temp\pip-install-0s2cfv5w\fastecdsa\
  Complete output (42 lines):
  running bdist_wheel
  running build
  running build_py
  creating build
  creating build\lib.win32-3.7
  creating build\lib.win32-3.7\fastecdsa
  copying fastecdsa\benchmark.py -> build\lib.win32-3.7\fastecdsa
  copying fastecdsa\curve.py -> build\lib.win32-3.7\fastecdsa
  copying fastecdsa\ecdsa.py -> build\lib.win32-3.7\fastecdsa
  copying fastecdsa\keys.py -> build\lib.win32-3.7\fastecdsa
  copying fastecdsa\point.py -> build\lib.win32-3.7\fastecdsa
  copying fastecdsa\util.py -> build\lib.win32-3.7\fastecdsa
  copying fastecdsa\__init__.py -> build\lib.win32-3.7\fastecdsa
  creating build\lib.win32-3.7\fastecdsa\encoding
  copying fastecdsa\encoding\asn1.py -> build\lib.win32-3.7\fastecdsa\encoding
  copying fastecdsa\encoding\der.py -> build\lib.win32-3.7\fastecdsa\encoding
  copying fastecdsa\encoding\pem.py -> build\lib.win32-3.7\fastecdsa\encoding
  copying fastecdsa\encoding\sec1.py -> build\lib.win32-3.7\fastecdsa\encoding
  copying fastecdsa\encoding\util.py -> build\lib.win32-3.7\fastecdsa\encoding
  copying fastecdsa\encoding\__init__.py -> build\lib.win32-3.7\fastecdsa\encoding
  creating build\lib.win32-3.7\fastecdsa\tests
  copying fastecdsa\tests\test_asn1.py -> build\lib.win32-3.7\fastecdsa\tests
  copying fastecdsa\tests\test_brainpool_ecdh.py -> build\lib.win32-3.7\fastecdsa\tests
  copying fastecdsa\tests\test_keygen.py -> build\lib.win32-3.7\fastecdsa\tests
  copying fastecdsa\tests\test_key_encoding.py -> build\lib.win32-3.7\fastecdsa\tests
  copying fastecdsa\tests\test_key_recovery.py -> build\lib.win32-3.7\fastecdsa\tests
  copying fastecdsa\tests\test_nonce_generation.py -> build\lib.win32-3.7\fastecdsa\tests
  copying fastecdsa\tests\test_p256_ecdsa.py -> build\lib.win32-3.7\fastecdsa\tests
  copying fastecdsa\tests\test_prime_field_curve_math.py -> build\lib.win32-3.7\fastecdsa\tests
  copying fastecdsa\tests\test_rfc6979_ecdsa.py -> build\lib.win32-3.7\fastecdsa\tests
  copying fastecdsa\tests\test_signature_encoding.py -> build\lib.win32-3.7\fastecdsa\tests
  copying fastecdsa\tests\test_whitespace_parsing.py -> build\lib.win32-3.7\fastecdsa\tests
  copying fastecdsa\tests\__init__.py -> build\lib.win32-3.7\fastecdsa\tests
  running build_ext
  building 'fastecdsa.curvemath' extension
  creating build\temp.win32-3.7
  creating build\temp.win32-3.7\Release
  creating build\temp.win32-3.7\Release\src
  C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.23.28105\bin\HostX86\x86\cl.exe /c /nologo /Ox /W3 /GL /DNDEBUG /MT -Isrc/ "-Ic:\program files (x86)\python37-32\include" "-Ic:\program files (x86)\python37-32\include" "-IC:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.23.28105\include" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.18362.0\ucrt" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.18362.0\shared" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.18362.0\um" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.18362.0\winrt" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.18362.0\cppwinrt" /Tcsrc/curveMath.c /Fobuild\temp.win32-3.7\Release\src/curveMath.obj -O2
  curveMath.c
  C:\Users\malik\AppData\Local\Temp\pip-install-0s2cfv5w\fastecdsa\src\curveMath.h(6): fatal error C1083: Cannot open include file: 'gmp.h': No such file or directory
  error: command 'C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\BuildTools\\VC\\Tools\\MSVC\\14.23.28105\\bin\\HostX86\\x86\\cl.exe' failed with exit status 2

[AntonKueltz]

Please note that Windows is not an officially supported OS for this package. See issue #11 for what folks are doing to get things working on Windows (specifically with getting compiling against GMP working, which is your issue as well).