diff --git a/Makefile b/Makefile
index ebd6003..087644e 100644
--- a/Makefile
+++ b/Makefile
@@ -4,6 +4,7 @@ ROOT_DIR = .
 
 SRC_DIR        = $(ROOT_DIR)/src
 SRC_CRATE      = $(TARGET).rs
+EXTERN_DIR     = $(ROOT_DIR)/extern
 BUILD_DIR      = $(ROOT_DIR)/lib
 
 TEST           = $(TARGET)
@@ -14,7 +15,7 @@ TEST_BUILD_DIR = $(ROOT_DIR)/test
 $(TARGET):
 	@echo "Building $(TARGET)..."
 	@mkdir -p $(BUILD_DIR)
-	@rustc $(SRC_DIR)/$(SRC_CRATE) --out-dir=$(BUILD_DIR)
+	@rustc $(SRC_DIR)/$(SRC_CRATE) -L $(EXTERN_DIR) --out-dir=$(BUILD_DIR)
 	@echo "Success"
 	
 all: $(TARGET)
@@ -22,7 +23,7 @@ all: $(TARGET)
 test:
 	@echo "Building unit tests for $(TARGET)..."
 	@mkdir -p $(TEST_BUILD_DIR)
-	@rustc $(SRC_DIR)/$(SRC_CRATE) --test --out-dir=$(TEST_BUILD_DIR)
+	@rustc $(SRC_DIR)/$(SRC_CRATE) --test -L $(EXTERN_DIR) --out-dir=$(TEST_BUILD_DIR)
 	@echo "Success"
 	@$(TEST_BUILD_DIR)/$(TARGET)
 
diff --git a/extern/.gitkeep b/extern/.gitkeep
new file mode 100644
index 0000000..e69de29