Special-case paths that appear in libs by not prefixing them with -l.

tools/gn/target.cc

Index: tools/gn/target.cc
diff --git a/tools/gn/target.cc b/tools/gn/target.cc
index 16a0ba4eb8ff65ba6fa328b9df61a22546a74321..6fa9c666acae2a87a0da21a9a16f5820e175ec23 100644
--- a/tools/gn/target.cc
+++ b/tools/gn/target.cc
@@ -552,6 +552,11 @@ void Target::CheckSourcesGenerated() const {
     CheckSourceGenerated(file);
   for (const SourceFile& file : inputs_)
     CheckSourceGenerated(file);
+  for (size_t i = 0; i < all_libs_.size(); i++) {
+    if (all_libs_[i].is_source_file()) {

[brettw, 2015/12/18 00:04:55]

No {}

[agrieve, 2015/12/18 15:39:08]

Done.

+      CheckSourceGenerated(all_libs_[i].source_file());
+    }
+  }
 }
 
 void Target::CheckSourceGenerated(const SourceFile& source) const {