fix build warnings (#2355)

* fix build warnings

* cython fixes

* cleanup transformations build

* little more
old-commit-hash: 96b637737bd42b334bffb188d278766bd0abe6c6

common/transformations/setup.py

@@ -1,42 +1,20 @@
-import os
 import numpy
-import sysconfig
 
 from Cython.Build import cythonize
-from Cython.Distutils import build_ext
 from distutils.core import Extension, setup  # pylint: disable=import-error,no-name-in-module
-
-def get_ext_filename_without_platform_suffix(filename):
-  name, ext = os.path.splitext(filename)
-  ext_suffix = sysconfig.get_config_var('EXT_SUFFIX')
-
-  if ext_suffix == ext:
-    return filename
-
-  ext_suffix = ext_suffix.replace(ext, '')
-  idx = name.find(ext_suffix)
-
-  if idx == -1:
-    return filename
-  else:
-    return name[:idx] + ext
-
-
-class BuildExtWithoutPlatformSuffix(build_ext):
-  def get_ext_filename(self, ext_name):
-    filename = super().get_ext_filename(ext_name)
-    return get_ext_filename_without_platform_suffix(filename)
-
+from common.cython_hacks import BuildExtWithoutPlatformSuffix
 
 setup(
   name='Cython transformations wrapper',
   cmdclass={'build_ext': BuildExtWithoutPlatformSuffix},
   ext_modules=cythonize(
-  Extension(
-    "transformations",
-    sources=["transformations.pyx"],
-    language="c++",
-    extra_compile_args=["-std=c++14", "-Wno-nullability-completeness"],
-    include_dirs=[numpy.get_include()],
+    Extension(
+      "transformations",
+      sources=["transformations.pyx"],
+      language="c++",
+      extra_compile_args=["-std=c++14", "-Wno-cpp"],
+      include_dirs=[numpy.get_include()],
+    ),
+    nthreads=4,
   )
-))
+)