rpc: reproducible genprotocol output

If the same source gets built twice ('build same source on different
hosts at different times') the resulting files may differ.
Fix this by sorting the hash keys before usage.

Signed-off-by: Olaf Hering <olaf@aepfle.de>

diff --git a/src/rpc/genprotocol.pl b/src/rpc/genprotocol.pl
index 6ce268c0241586da91a390662f497906e77e259b..6baa4f22d549c7f0520ea523c5c2e7ee7ac70c00 100755 (executable)
--- a/src/rpc/genprotocol.pl
+++ b/src/rpc/genprotocol.pl
@@ -104,7 +104,7 @@ while (<RPCGEN>) {
         if (keys %uses >= 1) {
             my $i = 1;
 
-            foreach (keys %uses) {
+            foreach (sort(keys %uses)) {
                 $i = $uses{$_};
                 unshift @function,
                 ("        char **objp_cpp$i = (char **) (void *) &$_;\n");