GN: Return array from pkgconfig wrapper

tools/gn/variables.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/variables.h"
 
 namespace variables {
 
 // Built-in variables ----------------------------------------------------------
 
@@ skipping 225 matching lines @@
     "  \"gn help source_expansion\") to insert the source file names.\n"
     "\n"
     "  See also \"gn help custom\".\n";
 
 const char kCflags[] = "cflags";
 const char kCflags_HelpShort[] =
     "cflags: [string list] Flags passed to all C compiler variants.";
 // Avoid writing long help for each variant.
 #define COMMON_FLAGS_HELP \
     "\n"\
-    "  Flags are never quoted. If your flag includes a string that must be\n"\
-    "  quoted, you must do it yourself. This also means that you can\n"\
-    "  specify more than one flag in a string if necessary (\"--foo --bar\")\n"\
-    "  and have them be seen as separate by the tool.\n"
+    "  Flags will be quoted automatically if they contain a space.\n"
 const char kCommonCflagsHelp[] =
     "cflags*: Flags passed to the C compiler.\n"
     "\n"
     "  A list of strings.\n"
     "\n"
     "  \"cflags\" are passed to all invocations of the C, C++, Objective C,\n"
     "  and Objective C++ compilers.\n"
     "\n"
     "  To target one of these variants individually, use \"cflags_c\",\n"
     "  \"cflags_cc\", \"cflags_objc\", and \"cflags_objcc\", respectively.\n"
@@ skipping 433 matching lines @@
     INSERT_VARIABLE(Script)
     INSERT_VARIABLE(SourcePrereqs)
     INSERT_VARIABLE(Sources)
   }
   return info_map;
 }
 
 #undef INSERT_VARIABLE
 
 }  // namespace variables