diff --git a/ipc/src/Makefile.enig b/ipc/src/Makefile.enig
index 6bae7d6..b6815f8 100644
--- a/ipc/src/Makefile.enig
+++ b/ipc/src/Makefile.enig
@@ -18,11 +18,9 @@ LDFLAGS	+= -dynamiclib -install_name @executable_path/$(SHARED_LIBRARY) -compati
 endif
 
 ifeq ($(OS_ARCH),NetBSD)
-ifeq ($(DLL_SUFFIX),.so.1.0)
-LDFLAGS += -Wl,-Bsymbolic
+LDFLAGS += -shared -Wl,-Bsymbolic
 CFLAGS += -fPIC
 endif
-endif
 
 ifeq ($(OS_ARCH),FreeBSD)
 LDFLAGS += -shared -Wl,-Bsymbolic
@@ -33,6 +31,11 @@ ifeq ($(OS_ARCH),OpenBSD)
 LDFLAGS += -shared -Wl,-Bsymbolic
 CFLAGS += -fPIC
 endif
+
+ifeq ($(OS_ARCH),SunOS)
+LDFLAGS += -shared -Wl,-Bsymbolic
+CFLAGS += -fPIC
+endif
 
 ifeq ($(OS_ARCH),HP-UX)
 ifeq ($(GNU_CC)$(GNU_CXX),)