diff --git a/auto/os/solaris b/auto/os/solaris
index dd6c85c..818886b 100644
--- a/auto/os/solaris
+++ b/auto/os/solaris
@@ -6,6 +6,9 @@
 
 CORE_LIBS="$CORE_LIBS -lsocket -lnsl"
 
+# the Solaris's make support
+MAKE_SL=YES
+
 
 CC_TEST_FLAGS="-D_FILE_OFFSET_BITS=64"