Index: uspace/Makefile.common
===================================================================
--- uspace/Makefile.common	(revision ec883cfb5af8ac346f5f441d0193af9fefef179a)
+++ uspace/Makefile.common	(revision 364778b24b0a9e8cbbd31cf2170afef40854e0da)
@@ -40,9 +40,15 @@
 #   BINARY         (/) binary output name (like appname)
 #   LIBRARY        (/) library output name (like libname)
+#
 #   EXTRA_OUTPUT       additional output targets
 #   EXTRA_CLEAN        additional cleanup targets
 #
+# Optionally, for a binary:
 #   STATIC_NEEDED      set to 'y' for init binaries, will build statically
 #                      linked version
+#
+# Optionally, for a libary:
+#   SLIBRARY           Name with full version, e.g. libfoo.so.0.0 
+#   LSONAME            Soname / name with short version, e.g. libfoo.so.0
 #
 # (x) required variables