diff -Naur numpy.orig/numpy/distutils/unixccompiler.py numpy/numpy/distutils/unixccompiler.py --- numpy.orig/numpy/distutils/unixccompiler.py 2022-05-28 10:22:10.000000000 +0200 +++ numpy/numpy/distutils/unixccompiler.py 2022-05-28 10:22:24.000000000 +0200 @@ -124,6 +124,7 @@ # platform intelligence here to skip ranlib if it's not # needed -- or maybe Python's configure script took care of # it for us, hence the check for leading colon. + self.ranlib = [os.environ.get('RANLIB')] if self.ranlib: display = '%s:@ %s' % (os.path.basename(self.ranlib[0]), output_filename)