4.1.6_release_blocker requested: [Issue 127712] Allow building when gcc -dumpversion does not use the canonical x.y.z format

[bugzilla]

Andrea Pescetti <pesce...@apache.org> has asked  for 4.1.6_release_blocker:
Issue 127712: Allow building when gcc -dumpversion does not use the canonical
x.y.z format
https://bz.apache.org/ooo/show_bug.cgi?id=127712