Adjust install for isolation.

.gitmodules

@@ -30,4 +30,4 @@
     shallow = true
 [submodule "ext/hashmap"]
 	path = ext/hashmap
-	url = git@github.com:scossu/hashmap.c.git
+	url = https://github.com/tidwall/hashmap.c

Makefile

@@ -136,12 +136,13 @@ $(PARSER): $(LEMON_SRC)
 
 .PHONY: libxxhash
 libxxhash:
-	$(MAKE) -C $(XXHASH_DIR)
+	$(MAKE) -C $(XXHASH_DIR) install
 
 
 .PHONY: liblmdb
 liblmdb:
 	$(MAKE) -C $(MDB_DIR)
+	$(MAKE) -C $(MDB_DIR) install
 
 
 install: lib ## Install library and dependencies to $PREFIX. May require sudo.