Looks like we also need an explicit dep on messenger.h

diff --git a/wscript b/wscript
index cad24b4241543ff91a8e67a3758bbd55b9ee758b..d409adac583c36a08140ebf17f421b2cbd6c99d3 100644 (file)
--- a/wscript
+++ b/wscript
@@ -633,6 +633,7 @@ def build(bld):
                 'src/tools/dcpomatic_batch.cc'
         ):
             bld.add_manual_dependency(bld.path.find_node(dep), bld.path.find_node('src/lib/grok/context.h'))
+            bld.add_manual_dependency(bld.path.find_node(dep), bld.path.find_node('src/lib/grok/messenger.h'))
 
     bld.recurse('src')
     bld.recurse('graphics')