Sven Rebhan added the comment:
Of course there is a secret distutils comunity using git! ;-) The three ppl
mentioned there found and fixed the problem, that's why.
But back to the issue: Can we use a switch or wrapper function to change the
test method for this path dependent on the OS
New submission from Sven Rebhan :
If python is installed into a symlink'ed directory, the variables
"sys.exec_prefix" and "sys.executable" can contain different paths.
Therefore, the respective test in build_ext.py fails (line 202)
and a wrong library search directory (-