setup.py.in.patch

--- ./python/setup.py.in	2021-12-20 17:11:59.000000000 -0500
+++ ./python/setup.py.in	2021-12-22 10:36:48.000000000 -0500
@@ -20,6 +20,14 @@
 # Cleaner to read in the contents rather than copy them over.
 readme_contents = open("${GTSAM_SOURCE_DIR}/README.md").read()
 
+from setuptools.dist import Distribution
+
+# Tested with wheel v0.29.0
+class BinaryDistribution(Distribution):
+    """Distribution which always forces a binary package with platform name"""
+    def has_ext_modules(foo):
+        return True
+
 setup(
     name='gtsam',
     description='Georgia Tech Smoothing And Mapping library',
@@ -50,4 +58,5 @@
     test_suite="gtsam.tests",
     install_requires=open("${GTSAM_SOURCE_DIR}/python/requirements.txt").readlines(),
     zip_safe=False,
+    distclass=BinaryDistribution
 )