add version info for py.postclean -x

diff --git a/rpm.macros b/rpm.macros
index fb44ba49b4492d80ddf696d04c427b16f9661d96..f677799fdc13e8401304090b4df7c6a8a84083c1 100644 (file)
--- a/rpm.macros
+++ b/rpm.macros
@@ -1143,7 +1143,7 @@ fi; \
 # Usage:
 # %py_postclean /usr/share/extra -x keepme.py,keeptoo.py
 # Options:
-# -x - comma separated of file basenames to preserve
+# -x - comma separated of file basenames to preserve (rpmbuild(macros) >= 1.658)
 # ARGS - extra directories to clean for .py sources
 #
 %py_postclean(x:) \