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

tools/gn/value_extractors.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/value_extractors.h"
 
 #include "tools/gn/build_settings.h"
 #include "tools/gn/err.h"
 #include "tools/gn/label.h"
 #include "tools/gn/source_dir.h"
@@ skipping 55 matching lines @@
   }
   bool operator()(const Value& v, SourceFile* out, Err* err) const {
     *out = current_dir.ResolveRelativeFile(v, err,
                                            build_settings->root_path_utf8());
     return !err->has_error();
   }
   const BuildSettings* build_settings;
   const SourceDir& current_dir;
 };
 
+struct LibFileConverter {
+  LibFileConverter(const BuildSettings* build_settings_in,
+                   const SourceDir& current_dir_in)
+      : build_settings(build_settings_in),
+        current_dir(current_dir_in) {
+  }
+  bool operator()(const Value& v, LibFile* out, Err* err) const {
+    if (!v.VerifyTypeIs(Value::STRING, err))
+      return false;
+    if (v.string_value().find('/') == std::string::npos) {
+      *out = LibFile(v.string_value());
+    } else {
+      *out = LibFile(current_dir.ResolveRelativeFile(
+          v, err, build_settings->root_path_utf8()));
+    }
+    return !err->has_error();
+  }
+  const BuildSettings* build_settings;
+  const SourceDir& current_dir;
+};
+
 struct RelativeDirConverter {
   RelativeDirConverter(const BuildSettings* build_settings_in,
                        const SourceDir& current_dir_in)
       : build_settings(build_settings_in),
         current_dir(current_dir_in) {
   }
   bool operator()(const Value& v, SourceDir* out, Err* err) const {
     *out = current_dir.ResolveRelativeDir(v, err,
                                           build_settings->root_path_utf8());
     return true;
@@ skipping 54 matching lines @@
 
 bool ExtractListOfRelativeFiles(const BuildSettings* build_settings,
                                 const Value& value,
                                 const SourceDir& current_dir,
                                 std::vector<SourceFile>* files,
                                 Err* err) {
   return ListValueExtractor(value, files, err,
                             RelativeFileConverter(build_settings, current_dir));
 }
 
+bool ExtractListOfLibs(const BuildSettings* build_settings,
+                       const Value& value,
+                       const SourceDir& current_dir,
+                       std::vector<LibFile>* libs,
+                       Err* err) {
+  return ListValueExtractor(value, libs, err,
+                            LibFileConverter(build_settings, current_dir));
+}
+
 bool ExtractListOfRelativeDirs(const BuildSettings* build_settings,
                                const Value& value,
                                const SourceDir& current_dir,
                                std::vector<SourceDir>* dest,
                                Err* err) {
   return ListValueExtractor(value, dest, err,
                             RelativeDirConverter(build_settings, current_dir));
 }
 
 bool ExtractListOfLabels(const Value& value,
@@ skipping 37 matching lines @@
 }
 
 bool ExtractRelativeFile(const BuildSettings* build_settings,
                          const Value& value,
                          const SourceDir& current_dir,
                          SourceFile* file,
                          Err* err) {
   RelativeFileConverter converter(build_settings, current_dir);
   return converter(value, file, err);
 }