Remove GN GYP generator.

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 448 matching lines @@
     "\n"
     "  This addition happens in a second phase once a target and all of its\n"
     "  dependencies have been resolved. Therefore, a target will not see\n"
     "  these force-added configs in their \"configs\" variable while the\n"
     "  script is running, and then can not be removed. As a result, this\n"
     "  capability should generally only be used to add defines and include\n"
     "  directories necessary to compile a target's headers.\n"
     "\n"
     "  See also \"all_dependent_configs\".\n";
 
-const char kExternal[] = "external";
-const char kExternal_HelpShort[] =
-    "external: [boolean] Declares a target as externally generated.";
-const char kExternal_Help[] =
-    "external: Declares a target as externally generated.\n"
-    "\n"
-    "  External targets are treated like normal targets as far as dependent\n"
-    "  targets are concerned, but do not actually have their .ninja file\n"
-    "  written to disk. This allows them to be generated by an external\n"
-    "  program (e.g. GYP).\n"
-    "\n"
-    "  See also \"gn help gyp\".\n"
-    "\n"
-    "Example:\n"
-    "  static_library(\"foo\") {\n"
-    "    external = true\n"
-    "  }\n";
-
 const char kForwardDependentConfigsFrom[] = "forward_dependent_configs_from";
 const char kForwardDependentConfigsFrom_HelpShort[] =
     "forward_dependent_configs_from: [label list] Forward dependent's configs.";
 const char kForwardDependentConfigsFrom_Help[] =
     "forward_dependent_configs_from\n"
     "\n"
     "  A list of target labels.\n"
     "\n"
     "  Exposes the direct_dependent_configs from a dependent target as\n"
     "  direct_dependent_configs of the current one. Each label in this list\n"
@@ skipping 19 matching lines @@
     "\n"
     "    group(\"frob\") {\n"
     "      if (use_system_frob) {\n"
     "        deps = \":system_frob\"\n"
     "      } else {\n"
     "        deps = \"//third_party/fallback_frob\"\n"
     "      }\n"
     "      forward_dependent_configs_from = deps\n"
     "    }\n";
 
-const char kGypFile[] = "gyp_file";
-const char kGypFile_HelpShort[] =
-    "gyp_file: [file name] Name of GYP file to write to in GYP mode.";
-const char kGypFile_Help[] =
-    "gyp_file: Name of GYP file to write to in GYP mode.\n"
-    "\n"
-    "  See \"gn help gyp\" for an overview of how this works.\n"
-    "\n"
-    "  Tip: If all targets in a given BUILD.gn file should go in the same\n"
-    "  GYP file, just put gyp_file = \"foo\" at the top of the file and\n"
-    "  the variable will be in scope for all targets.\n";
-
-const char kGypHeader[] = "gyp_header";
-const char kGypHeader_HelpShort[] =
-    "gyp_header: [string] Extra stuff to prepend to GYP files.";
-const char kGypHeader_Help[] =
-    "gyp_header: Extra stuff to prepend to GYP files.\n"
-    "\n"
-    "  A Python dictionary string. This will be inserted after the initial\n"
-    "  \"{\" in the GYP file. It is expected this is used to define the\n"
-    "  make_global_settings.\n"
-    "\n"
-    "  This string should end in a comma to keep the python dictionary syntax\n"
-    "  valid when everything is concatenated.\n";
-
 const char kHardDep[] = "hard_dep";
 const char kHardDep_HelpShort[] =
     "hard_dep: [boolean] Indicates a target should be built before dependees.";
 const char kHardDep_Help[] =
     "hard_dep: Indicates a target should be built before dependees.\n"
     "\n"
     "  Ninja's default is to assume that targets can be compiled\n"
     "  independently. This breaks down for generated files that are included\n"
     "  in other targets because Ninja doesn't know to run the generator\n"
     "  before compiling the source file.\n"
@@ skipping 269 matching lines @@
     INSERT_VARIABLE(CflagsC)
     INSERT_VARIABLE(CflagsCC)
     INSERT_VARIABLE(CflagsObjC)
     INSERT_VARIABLE(CflagsObjCC)
     INSERT_VARIABLE(Configs)
     INSERT_VARIABLE(Data)
     INSERT_VARIABLE(Datadeps)
     INSERT_VARIABLE(Depfile)
     INSERT_VARIABLE(Deps)
     INSERT_VARIABLE(DirectDependentConfigs)
-    INSERT_VARIABLE(External)
     INSERT_VARIABLE(ForwardDependentConfigsFrom)
-    INSERT_VARIABLE(GypFile)
-    INSERT_VARIABLE(GypHeader)
     INSERT_VARIABLE(HardDep)
     INSERT_VARIABLE(IncludeDirs)
     INSERT_VARIABLE(Ldflags)
     INSERT_VARIABLE(Libs)
     INSERT_VARIABLE(LibDirs)
     INSERT_VARIABLE(OutputExtension)
     INSERT_VARIABLE(OutputName)
     INSERT_VARIABLE(Outputs)
     INSERT_VARIABLE(Script)
     INSERT_VARIABLE(SourcePrereqs)
     INSERT_VARIABLE(Sources)
   }
   return info_map;
 }
 
 #undef INSERT_VARIABLE
 
 }  // namespace variables