added openbsd note

git-svn-id: svn://svn.oetiker.ch/rrdtool/branches/1.2@706 a5681a0c-68f1-0310-ab6d-d61299d08faa

diff --git a/program/doc/rrdbuild.pod b/program/doc/rrdbuild.pod
index 35f64de8150a03c4762e0c998a1cc09df72e866d..0c872beabf2bbd3c74ae246e96f258ad1878aeb6 100644 (file)
--- a/program/doc/rrdbuild.pod
+++ b/program/doc/rrdbuild.pod
@@ -149,6 +149,10 @@ will do just fine without since their F<ar> command does ranlibs job as well.
 
  ranlib $BUILD_DIR/lb/lib/*.a
 
+Note for OpenBSD users: It seems that libcgi fails to build properly on some
+of these systems. Run F<ar rc libcgi.a cgi.o cookies.o> to get a propper
+library if you find that libcgi.a is only a few bytes in size.
+
 This time you tell configure where it should be looking for libraries and
 include files. This is done via environment variables. Depending on the
 shell you are running, the syntax for setting environment variables is