improve internal names

Author: martin-frbg

exports/Makefile

@@ -133,7 +133,7 @@ libgoto_hpl.def : $(GENSYM)
 
 ifeq ($(OSNAME), Darwin)
 ifeq ($(FIXED_LIBNAME),1)
-INTERNALNAME = $(LIBPREFIX).dylib
+INTERNALNAME = $(LIBPREFIX)$(LIBSONAMEBASE)$(LIBNAMESUFFIX).dylib
 else
 INTERNALNAME = $(LIBPREFIX).$(MAJOR_VERSION).dylib
 endif
@@ -174,7 +174,7 @@ FEXTRALIB += -lm
 EXTRALIB += -lm
 else
 ifeq ($(FIXED_LIBNAME),1)
-INTERNALNAME = $(LIBPREFIX).so
+INTERNALNAME = $(LIBPREFIX)$(LIBSONAMEBASE)$(LIBNAMESUFFIX).so
 else
 INTERNALNAME = $(LIBPREFIX).so.$(MAJOR_VERSION)
 endif