Revert r1745: "Add an option to prune targets"

The test does not work on xcode.

BUG=
R=thakis@chromium.org

Review URL: https://codereview.chromium.org/25398003

git-svn-id: http://gyp.googlecode.com/svn/trunk@1746 78cadc50-ecff-11dd-a971-7dbc132099af
diff --git a/pylib/gyp/__init__.py b/pylib/gyp/__init__.py
index 66d5cec..61ce418 100755
--- a/pylib/gyp/__init__.py
+++ b/pylib/gyp/__init__.py
@@ -128,7 +128,7 @@
   # Process the input specific to this generator.
   result = gyp.input.Load(build_files, default_variables, includes[:],
                           depth, generator_input_info, check, circular_check,
-                          params['parallel'], params['root_targets'])
+                          params['parallel'])
   return [generator] + result
 
 def NameValueListToDict(name_value_list):
@@ -337,9 +337,6 @@
   parser.add_option('--toplevel-dir', dest='toplevel_dir', action='store',
                     default=None, metavar='DIR', type='path',
                     help='directory to use as the root of the source tree')
-  parser.add_option('-R', '--root-target', dest='root_targets',
-                    action='append', metavar='TARGET',
-                    help='include only TARGET and its deep dependencies')
 
   options, build_files_arg = parser.parse_args(args)
   build_files = build_files_arg
@@ -509,8 +506,7 @@
               'build_files_arg': build_files_arg,
               'gyp_binary': sys.argv[0],
               'home_dot_gyp': home_dot_gyp,
-              'parallel': options.parallel,
-              'root_targets': options.root_targets}
+              'parallel': options.parallel}
 
     # Start with the default variables from the command line.
     [generator, flat_list, targets, data] = Load(build_files, format,
diff --git a/pylib/gyp/common.py b/pylib/gyp/common.py
index b9d2abe..880bc68 100644
--- a/pylib/gyp/common.py
+++ b/pylib/gyp/common.py
@@ -44,14 +44,6 @@
     e.args = (str(e.args[0]) + ' ' + msg,) + e.args[1:]
 
 
-def FindQualifiedTargets(target, qualified_list):
-  """
-  Given a list of qualified targets, return the qualified targets for the
-  specified |target|.
-  """
-  return [t for t in qualified_list if ParseQualifiedTarget(t)[1] == target]
-
-
 def ParseQualifiedTarget(target):
   # Splits a qualified target into a build file, target name and toolset.
 
diff --git a/pylib/gyp/input.py b/pylib/gyp/input.py
index b151d24..8abfa3d 100644
--- a/pylib/gyp/input.py
+++ b/pylib/gyp/input.py
@@ -2562,26 +2562,6 @@
       TurnIntIntoStrInList(item)
 
 
-def PruneUnwantedTargets(targets, flat_list, dependency_nodes, root_targets):
-  """Return only the targets that are deep dependencies of |root_targets|."""
-  qualified_root_targets = []
-  for target in root_targets:
-    target = target.strip()
-    qualified_targets = gyp.common.FindQualifiedTargets(target, flat_list)
-    if not qualified_targets:
-      raise GypError("Could not find target %s" % target)
-    qualified_root_targets.extend(qualified_targets)
-
-  wanted_targets = {}
-  for target in qualified_root_targets:
-    wanted_targets[target] = targets[target]
-    for dependency in dependency_nodes[target].DeepDependencies():
-      wanted_targets[dependency] = targets[dependency]
-
-  wanted_flat_list = [t for t in flat_list if t in wanted_targets]
-  return wanted_targets, wanted_flat_list
-
-
 def VerifyNoCollidingTargets(targets):
   """Verify that no two targets in the same directory share the same name.
 
@@ -2610,7 +2590,7 @@
 
 
 def Load(build_files, variables, includes, depth, generator_input_info, check,
-         circular_check, parallel, root_targets):
+         circular_check, parallel):
   # Set up path_sections and non_configuration_keys with the default data plus
   # the generator-specifc data.
   global path_sections
@@ -2698,12 +2678,6 @@
 
   [dependency_nodes, flat_list] = BuildDependencyList(targets)
 
-  if root_targets:
-    # Remove, from |targets| and |flat_list|, the targets that are not deep
-    # dependencies of the targets specified in |root_targets|.
-    targets, flat_list = PruneUnwantedTargets(
-        targets, flat_list, dependency_nodes, root_targets)
-
   # Check that no two targets in the same directory have the same name.
   VerifyNoCollidingTargets(flat_list)
 
diff --git a/test/prune_targets/gyptest-prune-targets.py b/test/prune_targets/gyptest-prune-targets.py
deleted file mode 100644
index 6526975..0000000
--- a/test/prune_targets/gyptest-prune-targets.py
+++ /dev/null
@@ -1,55 +0,0 @@
-#!/usr/bin/env python
-
-# Copyright (c) 2013 Google Inc. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-"""
-Verifies --root-target removes the unnecessary targets.
-"""
-
-import TestGyp
-
-test = TestGyp.TestGyp()
-
-# By default, everything will be included.
-test.run_gyp('test1.gyp')
-test.build('test1.gyp', 'lib1')
-test.build('test1.gyp', 'lib2')
-test.build('test1.gyp', 'lib3')
-test.build('test1.gyp', 'lib_indirect')
-test.build('test1.gyp', 'program1')
-test.build('test1.gyp', 'program2')
-test.build('test1.gyp', 'program3')
-
-# With deep dependencies of program1 only.
-test.run_gyp('test1.gyp', '--root-target=program1')
-test.build('test1.gyp', 'lib1')
-test.build('test1.gyp', 'lib2', status=[1,2], stderr=None)
-test.build('test1.gyp', 'lib3', status=[1,2], stderr=None)
-test.build('test1.gyp', 'lib_indirect')
-test.build('test1.gyp', 'program1')
-test.build('test1.gyp', 'program2', status=[1,2], stderr=None)
-test.build('test1.gyp', 'program3', status=[1,2], stderr=None)
-
-# With deep dependencies of program2 only.
-test.run_gyp('test1.gyp', '--root-target=program2')
-test.build('test1.gyp', 'lib1', status=[1,2], stderr=None)
-test.build('test1.gyp', 'lib2')
-test.build('test1.gyp', 'lib3', status=[1,2], stderr=None)
-test.build('test1.gyp', 'lib_indirect')
-test.build('test1.gyp', 'program1', status=[1,2], stderr=None)
-test.build('test1.gyp', 'program2')
-test.build('test1.gyp', 'program3', status=[1,2], stderr=None)
-
-# With deep dependencies of program1 and program2.
-test.run_gyp('test1.gyp', '--root-target=program1', '--root-target=program2')
-test.build('test1.gyp', 'lib1')
-test.build('test1.gyp', 'lib2')
-test.build('test1.gyp', 'lib3', status=[1,2], stderr=None)
-test.build('test1.gyp', 'lib_indirect')
-test.build('test1.gyp', 'program1')
-test.build('test1.gyp', 'program2')
-test.build('test1.gyp', 'program3', status=[1,2], stderr=None)
-
-test.pass_test()
diff --git a/test/prune_targets/lib1.cc b/test/prune_targets/lib1.cc
deleted file mode 100644
index 692b7de..0000000
--- a/test/prune_targets/lib1.cc
+++ /dev/null
@@ -1,6 +0,0 @@
-// Copyright (c) 2013 Google Inc. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-void libfunc1() {
-}
diff --git a/test/prune_targets/lib2.cc b/test/prune_targets/lib2.cc
deleted file mode 100644
index aed394a..0000000
--- a/test/prune_targets/lib2.cc
+++ /dev/null
@@ -1,6 +0,0 @@
-// Copyright (c) 2013 Google Inc. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-void libfunc2() {
-}
diff --git a/test/prune_targets/lib3.cc b/test/prune_targets/lib3.cc
deleted file mode 100644
index af0f717..0000000
--- a/test/prune_targets/lib3.cc
+++ /dev/null
@@ -1,6 +0,0 @@
-// Copyright (c) 2013 Google Inc. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-void libfunc3() {
-}
diff --git a/test/prune_targets/lib_indirect.cc b/test/prune_targets/lib_indirect.cc
deleted file mode 100644
index 92d9ea4..0000000
--- a/test/prune_targets/lib_indirect.cc
+++ /dev/null
@@ -1,6 +0,0 @@
-// Copyright (c) 2013 Google Inc. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-void libfunc_indirect() {
-}
diff --git a/test/prune_targets/program.cc b/test/prune_targets/program.cc
deleted file mode 100644
index c9ac070..0000000
--- a/test/prune_targets/program.cc
+++ /dev/null
@@ -1,7 +0,0 @@
-// Copyright (c) 2013 Google Inc. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-int main() {
-  return 0;
-}
diff --git a/test/prune_targets/test1.gyp b/test/prune_targets/test1.gyp
deleted file mode 100644
index b65ec19..0000000
--- a/test/prune_targets/test1.gyp
+++ /dev/null
@@ -1,26 +0,0 @@
-# Copyright (c) 2013 Google Inc. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-{
-  'targets': [
-    {
-      'target_name': 'program1',
-      'type': 'executable',
-      'sources': [ 'program.cc' ],
-      'dependencies': [ 'test2.gyp:lib1' ],
-    },
-    {
-      'target_name': 'program2',
-      'type': 'executable',
-      'sources': [ 'program.cc' ],
-      'dependencies': [ 'test2.gyp:lib2' ],
-    },
-    {
-      'target_name': 'program3',
-      'type': 'executable',
-      'sources': [ 'program.cc' ],
-      'dependencies': [ 'test2.gyp:lib3' ],
-    },
-  ],
-}
diff --git a/test/prune_targets/test2.gyp b/test/prune_targets/test2.gyp
deleted file mode 100644
index 16f0fd3..0000000
--- a/test/prune_targets/test2.gyp
+++ /dev/null
@@ -1,30 +0,0 @@
-# Copyright (c) 2013 Google Inc. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-{
-  'targets': [
-    {
-      'target_name': 'lib1',
-      'type': 'static_library',
-      'sources': [ 'lib1.cc' ],
-      'dependencies': [ 'lib_indirect' ],
-    },
-    {
-      'target_name': 'lib2',
-      'type': 'static_library',
-      'sources': [ 'lib2.cc' ],
-      'dependencies': [ 'lib_indirect' ],
-    },
-    {
-      'target_name': 'lib3',
-      'type': 'static_library',
-      'sources': [ 'lib3.cc' ],
-    },
-    {
-      'target_name': 'lib_indirect',
-      'type': 'static_library',
-      'sources': [ 'lib_indirect.cc' ],
-    },
-  ],
-}