No se puede tener variable de entorno con "-". Ahora usamos "_"

bin/solc

@@ -16,7 +16,7 @@ do
             continue
         fi
         # we found another one, yay!
-        evmvers=$( grep '^chain-evm-version=' ${BFAHOME:-/home/bfa/bfa}/lib/versions | head -1 )
+        evmvers=$( grep '^chain_evm_version=' ${BFAHOME:-/home/bfa/bfa}/lib/versions | head -1 )
         exec ${checkfile} ${evmvers/*=/--evm-version=} --combined-json abi,asm,ast,bin,bin-runtime,compact-format,devdoc,generated-sources,generated-sources-runtime,hashes,interface,metadata,opcodes,srcmap,srcmap-runtime,storage-layout,userdoc "$@"
         exit 1
     fi

lib/versions

 geth_tag=v1.8.27
 solidity_tag=v0.5.0
-chain-evm-version=byzantium
+chain_evm_version=byzantium