commit 72b0ab672d1080049431eeee07ae6d2556ae9e4a
Author: sternenseemann <sternenseemann@systemli.org>
Date:   Tue Oct 5 18:17:20 2021 +0200

    Don't use pypi distributions of build tools
    
    We want to use regular cmake and ninja and not the pypi projects which
    somehow wrap and vendor a version of the proper tool.

diff --git a/setup.py b/setup.py
index 50deb781..81417971 100644
--- a/setup.py
+++ b/setup.py
@@ -196,9 +196,7 @@ def main():
           setup_requires=[
               'wheel',
               'setuptools_scm',
-              'scikit-build',
-              'cmake',
-              'ninja'
+              'scikit-build'
           ],
           tests_require=[
               'pytest',