This change introduces a new variable, ENABLE_STATIC, to the build pr…

…ocess, allowing the simulators to be compiled statically. This provides the flexibility to generate standalone simulators that are not dependent on shared libraries at runtime, which can be particularly beneficial for deployment in environments where managing dynamic libraries is challenging or for distributing simulators more easily.

Makefile

@@ -157,6 +157,11 @@ ZLIB_FLAGS = $(shell pkg-config --cflags zlib)
 ZLIB_LIBS = $(shell pkg-config --libs zlib)
 
 C_FLAGS = -I $(SAIL_LIB_DIR) -I c_emulator $(GMP_FLAGS) $(ZLIB_FLAGS) $(SOFTFLOAT_FLAGS)
+# Conditional check for ENABLE_STATIC=1
+ifneq (,$(ENABLE_STATIC))
+    # If ENABLE_STATIC is set, append specific static linking flags
+    C_FLAGS += -static -Wl,--as-needed -Wl,-O1
+endif
 C_LIBS  = $(GMP_LIBS) $(ZLIB_LIBS) $(SOFTFLOAT_LIBS)
 
 # The C simulator can be built to be linked against Spike for tandem-verification.