--- ngspice-26/src/xspice/icm/makedefs.in
+++ ngspice-26/src/xspice/icm/makedefs.in
@@ -44,16 +44,19 @@
 LIBS = -lm
 
 # Flags to use when linking shared library
-LDFLAGS = -shared
 ifeq ($(ISMINGW), 1)
-  LDFLAGS = -shared @LDFLAGS@
-endif
-ifeq "$(strip $(uname))" "Darwin"
-  LDFLAGS = -bundle -flat_namespace -undefined suppress
-endif
-ifeq "$(strip $(uname))" "SunOS"
-  ifneq "$(CC)" "gcc"
-    LDFLAGS = -G
+  LDFLAGS += -shared @LDFLAGS@
+else
+  ifeq "$(strip $(uname))" "Darwin"
+    LDFLAGS += -bundle -flat_namespace -undefined suppress
+  else
+    ifeq "$(strip $(uname))" "SunOS"
+      ifneq "$(CC)" "gcc"
+        LDFLAGS += -G
+      else
+        LDFLAGS += -shared
+      endif
+    endif
   endif
 endif