1 files changed, 3 insertions, 0 deletions
diff --git a/compile.sh b/compile.sh
index 1fe218b09e..c4ff9bf394 100755
--- a/compile.sh
+++ b/compile.sh
@@ -198,6 +198,9 @@ msys*|mingw*)
   done
 esac
 
+[[ -x "${PROTOC-}" ]] \
+    || fail "Protobuf compiler not found in ${PROTOC-}"
+
 mkdir -p fromhost
 if [ ! -f fromhost/BUILD ]; then
   write_fromhost_build