From 68fdef88cbf3a9c0a08b565c40879102f753f19a Mon Sep 17 00:00:00 2001
From: Jussi Pakkanen <jpakkane@gmail.com>
Date: Sun, 4 Oct 2015 01:06:57 +0300
Subject: [PATCH] Make generated header dependencies transitive.

---
 ninjabackend.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/ninjabackend.py b/ninjabackend.py
index a8674dfce..e011848cc 100644
--- a/ninjabackend.py
+++ b/ninjabackend.py
@@ -169,7 +169,10 @@ class NinjaBackend(backends.Backend):
                 continue
             for src in gensource.get_outfilelist():
                 if self.environment.is_header(src):
-                    header_deps.append(src)
+                    header_deps.append(os.path.join(self.get_target_private_dir(target), src))
+        for dep in target.link_targets:
+            if isinstance(dep, (build.StaticLibrary, build.SharedLibrary)):
+                header_deps += self.get_generated_headers(dep)
         return header_deps
 
     def generate_target(self, target, outfile):