ninja: Write gypcmd files into the output directory instead of the tree.

pylib/gyp/generator/ninja.py

 # 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.
 
 import copy
 import hashlib
 import json
 import multiprocessing
 import os.path
 import re
@@ skipping 40 matching lines @@
   'RULE_INPUT_DIRNAME': '${dirname}',
   'RULE_INPUT_PATH': '${source}',
   'RULE_INPUT_EXT': '${ext}',
   'RULE_INPUT_NAME': '${name}',
 }
 
 # Placates pylint.
 generator_additional_non_configuration_keys = []
 generator_additional_path_sections = []
 generator_extra_sources_for_rules = []
+generator_file_path = None
 
 # TODO: figure out how to not build extra host objects in the non-cross-compile
 # case when this is enabled, and enable unconditionally.
 generator_supports_multiple_toolsets = (
   os.environ.get('GYP_CROSSCOMPILE') or
   os.environ.get('AR_host') or
   os.environ.get('CC_host') or
   os.environ.get('CXX_host') or
   os.environ.get('AR_target') or
   os.environ.get('CC_target') or
@@ skipping 1380 matching lines @@
     operating_system = flavor
     if flavor == 'android':
       operating_system = 'linux'  # Keep this legacy behavior for now.
     default_variables.setdefault('OS', operating_system)
     default_variables.setdefault('SHARED_LIB_SUFFIX', '.so')
     default_variables.setdefault('SHARED_LIB_DIR',
                                  os.path.join('$!PRODUCT_DIR', 'lib'))
     default_variables.setdefault('LIB_DIR',
                                  os.path.join('$!PRODUCT_DIR', 'obj'))
 
+def ComputeOutputDir(params):
+  """Returns the path from the toplevel_dir to the build output directory."""
+  # generator_dir: relative path from pwd to where make puts build files.
+  # Makes migrating from make to ninja easier, ninja doesn't put anything here.
+  generator_dir = os.path.relpath(params['options'].generator_output or '.')
+
+  # output_dir: relative path from generator_dir to the build directory.
+  output_dir = params.get('generator_flags', {}).get('output_dir', 'out')
+
+  # relative path from source root to our output files.  e.g. "out"

[scottmg, 2013/10/16 23:29:48]

nit; Relative

[Nico, 2013/10/17 00:00:26]

Done.

+  return os.path.normpath(os.path.join(generator_dir, output_dir))
+
+
+def CalculateGeneratorInputInfo(params):
+  # E.g. "out/gypfiles"

[scottmg, 2013/10/16 23:29:48]

docstring

[Nico, 2013/10/17 00:00:26]

Done.

+  qualified_out_dir = os.path.normpath(os.path.join(
+      params['options'].toplevel_dir, ComputeOutputDir(params), 'gypfiles'))
+
+  def gypfile_path(build_file_dir, name):
+    name = os.path.join(qualified_out_dir, build_file_dir, name)
+    if not os.path.isdir(os.path.dirname(name)):
+      os.makedirs(os.path.dirname(name))
+    return name
+
+  global generator_file_path
+  generator_file_path = gypfile_path
+
 
 def OpenOutput(path, mode='w'):
   """Open |path| for writing, creating directories if necessary."""
   try:
     os.makedirs(os.path.dirname(path))
   except OSError:
     pass
   return open(path, mode)
 
 
@@ skipping 130 matching lines @@
                     rspfile_content='$in_newline $libs $ldflags',
                     pool='link_pool')
 
 
 def GenerateOutputForConfig(target_list, target_dicts, data, params,
                             config_name):
   options = params['options']
   flavor = gyp.common.GetFlavor(params)
   generator_flags = params.get('generator_flags', {})
 
-  # generator_dir: relative path from pwd to where make puts build files.
-  # Makes migrating from make to ninja easier, ninja doesn't put anything here.
-  generator_dir = os.path.relpath(params['options'].generator_output or '.')
-
-  # output_dir: relative path from generator_dir to the build directory.
-  output_dir = generator_flags.get('output_dir', 'out')
-
   # build_dir: relative path from source root to our output files.
   # e.g. "out/Debug"
-  build_dir = os.path.normpath(os.path.join(generator_dir,
-                                            output_dir,
-                                            config_name))
+  build_dir = os.path.normpath(
+      os.path.join(ComputeOutputDir(params), config_name))
 
   toplevel_build = os.path.join(options.toplevel_dir, build_dir)
 
   master_ninja = ninja_syntax.Writer(
       OpenOutput(os.path.join(toplevel_build, 'build.ninja')),
       width=120)
 
   # Put build-time support tools in out/{config_name}.
   gyp.common.CopyTool(flavor, toplevel_build)
 
@@ skipping 475 matching lines @@
           arglists.append(
               (target_list, target_dicts, data, params, config_name))
         pool.map(CallGenerateOutputForConfig, arglists)
       except KeyboardInterrupt, e:
         pool.terminate()
         raise e
     else:
       for config_name in config_names:
         GenerateOutputForConfig(target_list, target_dicts, data, params,
                                 config_name)