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

diff --git a/wscript b/wscript
index 9de6d2690ae5a0e71b824f7b2d5156e769faec1a..5eeb06e408fb1defb0718953693b60c7dbeabd05 100644 (file)
--- a/wscript
+++ b/wscript
@@ -645,6 +645,7 @@ 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')