diff --git a/vlsi/Makefile b/vlsi/Makefile
index 0e1989dd..06f1a1b4 100644
--- a/vlsi/Makefile
+++ b/vlsi/Makefile
@@ -25,9 +25,15 @@ tech_dir           ?= $(if $(filter $(tech_name),asap7 nangate45),\
 SMEMS_COMP         ?= $(tech_dir)/sram-compiler.json
 SMEMS_CACHE        ?= $(tech_dir)/sram-cache.json
 SMEMS_HAMMER       ?= $(build_dir)/$(long_name).mems.hammer.json
-MACROCOMPILER_MODE ?= $(if $(filter $(tech_name),asap7),\
-                        --mode synflops,\
-                        -l $(SMEMS_CACHE) -hir $(SMEMS_HAMMER) --mode strict)
+
+ifeq ($(tech_name),asap7)
+	MACROCOMPILER_MODE ?= --mode synflops
+else ifdef USE_SRAM_COMPILER
+	MACROCOMPILER_MODE ?= -l $(SMEMS_COMP) --use-compiler -hir $(SMEMS_HAMMER) --mode strict
+else
+	MACROCOMPILER_MODE ?= -l $(SMEMS_CACHE) -hir $(SMEMS_HAMMER) --mode strict
+endif	
+
 ENV_YML            ?= $(vlsi_dir)/env.yml
 INPUT_CONFS        ?= $(if $(filter $(tech_name),nangate45),\
                         example-nangate45.yml,\