Index: defaults/sparc64/niagara/Makefile.config
===================================================================
--- defaults/sparc64/niagara/Makefile.config	(revision aae365bc823f3137811d2c48089c150e81c40606)
+++ defaults/sparc64/niagara/Makefile.config	(revision 1c3c287faa0cdc5e3cedcbfc47dc2ffd4b4e73bd)
@@ -14,4 +14,13 @@
 CONFIG_FB = n
 
+# Dynamic linking support
+CONFIG_RTLD = y
+
+# Build shared libraries
+CONFIG_BUILD_SHARED_LIBS = y
+
+# Link against shared libraries
+CONFIG_USE_SHARED_LIBS = y
+
 # Barebone build with essential binaries only
 CONFIG_BAREBONE = y
Index: defaults/sparc64/ultra/Makefile.config
===================================================================
--- defaults/sparc64/ultra/Makefile.config	(revision aae365bc823f3137811d2c48089c150e81c40606)
+++ defaults/sparc64/ultra/Makefile.config	(revision 1c3c287faa0cdc5e3cedcbfc47dc2ffd4b4e73bd)
@@ -8,4 +8,13 @@
 QUADFLOAT = hard
 
+# Dynamic linking support
+CONFIG_RTLD = y
+
+# Build shared libraries
+CONFIG_BUILD_SHARED_LIBS = y
+
+# Link against shared libraries
+CONFIG_USE_SHARED_LIBS = y
+
 # Barebone build with essential binaries only
 CONFIG_BAREBONE = y