Process dependency sources identically to specified ones.

1 files changed, 1 insertions, 1 deletions

diff --git a/build.py b/build.py
index 8488a8e24..ffd8fb959 100644
--- a/build.py
+++ b/build.py
@@ -409,7 +409,7 @@ class BuildTarget():
             if hasattr(dep, 'held_object'):
                 dep = dep.held_object
             if isinstance(dep, dependencies.InternalDependency):
-                self.sources += dep.sources
+                self.process_sourcelist(dep.sources)
                 self.add_include_dirs(dep.include_directories)
                 for l in dep.libraries:
                     self.link(l)