Fix COPR releases
Fix COPR releases

These would be broken by not being able to find llvm-config after our
Makefile cleanup

[skip ci]

sgebbie/ponyc,cquinn/ponyc,sgebbie/ponyc,kulibali/ponyc,dipinhora/ponyc,cquinn/ponyc,dipinhora/ponyc,dipinhora/ponyc,kulibali/ponyc,kulibali/ponyc,sgebbie/ponyc,jemc/ponyc,cquinn/ponyc,jemc/ponyc,ponylang/ponyc,sgebbie/ponyc,kulibali/ponyc,ponylang/ponyc,jemc/ponyc,ponylang/ponyc,cquinn/ponyc,sgebbie/ponyc