[elpa] externals/osm ae55d1a59a: Add warnings when libraries are missing (See #11)

[ELPA Syncer]

branch: externals/osm
commit ae55d1a59acbccf6d8887a0bcb958306080832a2
Author: Daniel Mendler <mail@daniel-mendler.de>
Commit: Daniel Mendler <mail@daniel-mendler.de>

    Add warnings when libraries are missing (See #11)
---
 osm.el | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/osm.el b/osm.el
index cd164b3301..0a2d346650 100644
--- a/osm.el
+++ b/osm.el
@@ -640,6 +640,10 @@ Should be at least 7 days according to the server usage 
policies."
   (dolist (type '(svg jpeg png))
     (unless (image-type-available-p type)
       (warn "osm: Support for %s images is missing" type)))
+  (unless (libxml-available-p)
+    (warn "osm: libxml is not available"))
+  (unless (json-available-p)
+    (warn "osm: libjansson is not available"))
   (setq-local osm-server osm-server
               line-spacing nil
               cursor-type nil