iiahim commented on a change in pull request #6600:
URL: https://github.com/apache/incubator-tvm/pull/6600#discussion_r498377823



##########
File path: python/tvm/contrib/cc.py
##########
@@ -103,7 +105,8 @@ def get_target_triple():
 # assign so as default output format
 create_shared.output_format = "so" if sys.platform != "win32" else "dll"
 create_shared.get_target_triple = get_target_by_dump_machine(
-    "g++" if sys.platform == "darwin" or sys.platform.startswith("linux") else 
None
+    os.environ["CXX"] if "CXX" in os.environ.keys() else \
+        "g++" if sys.platform == "darwin" or sys.platform.startswith("linux") 
else None

Review comment:
       Also ... is any reason to use g++ and not c++?
   While I think getting it from the env if it has values, c++ seems to work on 
Linux (Ubuntu & Centos) and FreeBSD. I don't have access to MacOS to test it 
there.
   Would you accept to change g++ -> c++ as default?




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