build/ops: rpm: add link to doc explaining bcond syntax

The %bcond_with and %bcond_without macros are confusing to folks who
don't do a lot of RPM packaging work. Let's try to help these folks out!

Signed-off-by: Nathan Cutler <ncutler@suse.com>

diff --git a/ceph.spec.in b/ceph.spec.in
index a5ef095f34a9e0619900a94f78ebef43cd9fb5a7..6a18685316e358f4df8d2b24d6058569ba99e219 100644 (file)
--- a/ceph.spec.in
+++ b/ceph.spec.in
@@ -14,6 +14,13 @@
 #
 # Please submit bugfixes or comments via http://tracker.ceph.com/
 #
+
+#################################################################################
+# conditional build section
+#
+# please read http://rpm.org/user_doc/conditional_builds.html for explanation of
+# bcond syntax!
+#################################################################################
 %bcond_without ocf
 %bcond_with make_check
 %ifarch s390 s390x