Tor fails to build on Ubuntu Groovy Gorilla: -Wextra-semi only used for Obj-C and C++
@weasel reported the following error today on
The error seems to be:
cc1: error: command-line option '-Wextra-semi' is valid for C++/ObjC++ but not for C [-Werror] cc1: all warnings being treated as errors
We should probably disable
-Wextra-semi as this seems to only apply for C++ and Objective C.