diff --git a/harbour/config/sunos/global.cf b/harbour/config/sunos/global.cf
index fd2a00d644..f0c73bfaf1 100644
--- a/harbour/config/sunos/global.cf
+++ b/harbour/config/sunos/global.cf
@@ -8,9 +8,23 @@ HB_GT_LIBS=\
         gtcgi \
         gtcrs \
         gtpca \
-#        gtsln \
         gtstd \
 
+ifeq ($(HB_COMMERCE),yes)
+   HB_GPM_MOUSE = no
+else
+ifneq ($(HB_WITHOUT_GTSLN),yes)
+   HB_GT_LIBS += gtsln
+endif
+endif
+ifneq ($(HB_WITHOUT_X11),yes)
+#   HB_GT_LIBS += gtxvt
+#   HB_GT_LIBS += gtxwc
+endif
+ifeq ($(HB_GTALLEG),yes)
+   HB_GT_LIBS += gtalleg
+endif
+
 ifeq ($(HB_GT_LIB),)
    HB_GT_LIB = gtstd
 endif