[GN]: Support for loadable modules

tools/gn/ninja_binary_target_writer.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "tools/gn/ninja_binary_target_writer.h"
 
 #include <cstring>
 #include <set>
 #include <sstream>
 
@@ skipping 944 matching lines @@
   //  SHARED_LIBRARY
   //  _complete_ STATIC_LIBRARY
   //
   // Child deps of intermediate static libraries get pushed up the
   // dependency tree until one of these is reached, and source sets
   // don't link at all.
   bool can_link_libs = target_->IsFinal();
 
   if (dep->output_type() == Target::SOURCE_SET) {
     // Source sets have their object files linked into final targets
-    // (shared libraries, executables, and complete static
+    // (shared libraries, executables, loadable modules, and complete static
     // libraries). Intermediate static libraries and other source sets
     // just forward the dependency, otherwise the files in the source
     // set can easily get linked more than once which will cause
     // multiple definition errors.
     if (can_link_libs)
       AddSourceSetObjectFiles(dep, extra_object_files);
 
     // Add the source set itself as a non-linkable dependency on the current
     // target. This will make sure that anything the source set's stamp file
     // depends on (like data deps) are also built before the current target
@@ skipping 52 matching lines @@
           "\n"
           "In the latter case, either rename one of the files or move one of\n"
           "the sources to a separate source_set to avoid them both being in\n"
           "the same target.");
       g_scheduler->FailWithError(err);
       return false;
     }
   }
   return true;
 }