add some makefile fixes

Makefile

@@ -66,6 +66,8 @@ ULM_HOOKS_SRC=ulm_kllvm.cpp ulm_hooks.cpp ulm_kllvm_c.cpp
 ULM_HOOKS_LIB=libulmkllvm.so
 ULM_HOOKS_TARGET=$(ULM_LIB_DIR)/$(ULM_HOOKS_LIB)
 
+ULM_SRC=$(wildcard $(ULM_CLONE_DIR)/**/*.cpp) $(wildcard $(ULM_CLONE_DIR)/**/*.h) $(wildcard $(ULM_CLONE_DIR)/**/*.go)
+
 ULM_GETH_TARGET=$(ULM_BUILD_DIR)/geth
 
 ### ULM Crypto Plugin
@@ -79,7 +81,7 @@ $(ULM_KRYPTO_DIR)/.git:
 
 $(ULM_KRYPTO_TARGET): | $(ULM_KRYPTO_DIR)/.git
 	@mkdir -p $(ULM_LIB_DIR)
-	$(if $(ULM_CXX), CXX=$(ULM_CXX)) make -C "$(ULM_KRYPTO_DIR)" build
+	$(if $(ULM_CXX), CXX=$(ULM_CXX)) $(MAKE) -C "$(ULM_KRYPTO_DIR)" build
 	cp "$(ULM_KRYPTO_DIR)/build/krypto/lib/krypto.a" "$(ULM_LIB_DIR)"
 
 .PHONY: ulm-krypto-build
@@ -92,7 +94,7 @@ $(ULM_CLONE_DIR)/.git:
 	cd $(ULM_DEP_DIR); \
 	  git clone --depth 1 https://github.com/pi-squared-inc/ulm
 
-$(ULM_HOOKS_TARGET): | $(ULM_CLONE_DIR)/.git
+$(ULM_HOOKS_TARGET): $(ULM_SRC) | $(ULM_CLONE_DIR)/.git
 	@mkdir -p $(ULM_LIB_DIR)
 	cd $(ULM_HOOKS_DIR); \
 	  $(CXX) -shared -o "$(ULM_HOOKS_LIB)" $(ULM_HOOKS_SRC) -I "$(ULM_KF_INCLUDE_DIR)" -I "$(ULM_KF_INCLUDE_DIR)/kllvm" \
@@ -149,8 +151,8 @@ kevm-build: $(ULM_KEVM_TARGET)
 
 ### ULM
 
-$(ULM_GETH_TARGET): $(ULM_KEVM_TARGET) | $(ULM_CLONE_DIR)
-	cd $(ULM_CLONE_DIR)/op-geth && make
+$(ULM_GETH_TARGET): $(ULM_KEVM_TARGET) $(ULM_SRC) | $(ULM_CLONE_DIR)/.git
+	cd $(ULM_CLONE_DIR)/op-geth && $(MAKE)
 	cp $(ULM_CLONE_DIR)/op-geth/build/bin/geth $(ULM_BUILD_DIR)
 
 .PHONY: ulm-build