Update cmake generator to handle Skia Android build.

pylib/gyp/generator/cmake.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.
 
 """cmake output module
 
 This module is under development and should be considered experimental.
 
 This module produces cmake (2.8.8+) input as its output. One CMakeLists.txt is
 created for each configuration.
@@ skipping 132 matching lines @@
   output.write(source_name)
   output.write(' PROPERTIES ')
   output.write(property_name)
   output.write(' "')
   for value in values:
     output.write(CMakeStringEscape(value))
     output.write(sep)
   output.write('")\n')
 
 
-def SetFilesProperty(output, source_names, property_name, values, sep):
+def SetFilesProperty(output, variable, property_name, values, sep):
   """Given a set of source files, sets the given property on them."""
-  output.write('set_source_files_properties(\n')
-  for source_name in source_names:
-    output.write('  ')
-    output.write(source_name)
-    output.write('\n')
-  output.write(' PROPERTIES\n  ')
+  output.write('set_source_files_properties(')
+  WriteVariable(output, variable)
+  output.write(' PROPERTIES ')
   output.write(property_name)
   output.write(' "')
   for value in values:
     output.write(CMakeStringEscape(value))
     output.write(sep)
-  output.write('"\n)\n')
+  output.write('")\n')
 
 
 def SetTargetProperty(output, target_name, property_name, values, sep=''):
   """Given a target, sets the given property."""
   output.write('set_target_properties(')
   output.write(target_name)
   output.write(' PROPERTIES ')
   output.write(property_name)
   output.write(' "')
   for value in values:
@@ skipping 52 matching lines @@
   'shared_library': CMakeTargetType('add_library', 'SHARED', 'LIBRARY'),
   'loadable_module': CMakeTargetType('add_library', 'MODULE', 'LIBRARY'),
   'none': CMakeTargetType('add_custom_target', 'SOURCES', None),
 }
 
 
 def StringToCMakeTargetName(a):
   """Converts the given string 'a' to a valid CMake target name.
 
   All invalid characters are replaced by '_'.
-  Invalid for cmake: ' ', '/', '(', ')'
+  Invalid for cmake: ' ', '/', '(', ')', '"'
   Invalid for make: ':'
   Invalid for unknown reasons but cause failures: '.'
   """
-  return a.translate(string.maketrans(' /():.', '______'))
+  return a.translate(string.maketrans(' /():."', '_______'))
 
 
 def WriteActions(target_name, actions, extra_sources, extra_deps,
                  path_to_gyp, output):
   """Write CMake for the 'actions' in the target.
 
   Args:
     target_name: the name of the CMake target being generated.
     actions: the Gyp 'actions' dict for this target.
     extra_sources: [(<cmake_src>, <src>)] to append with generated source files.
@@ skipping 227 matching lines @@
   for copy in copies:
     files = copy['files']
     destination = copy['destination']
     for src in files:
       path = os.path.normpath(src)
       basename = os.path.split(path)[1]
       dst = os.path.join(destination, basename)
 
       copy = file_copy if os.path.basename(src) else dir_copy
 
-      copy.cmake_inputs.append(NormjoinPath(path_to_gyp, src))
+      copy.cmake_inputs.append(NormjoinPathForceCMakeSource(path_to_gyp, src))
       copy.cmake_outputs.append(NormjoinPathForceCMakeSource(path_to_gyp, dst))
       copy.gyp_inputs.append(src)
       copy.gyp_outputs.append(dst)
 
   for copy in (file_copy, dir_copy):
     if copy.cmake_inputs:
       copy.inputs_name = copy_name + '__input' + copy.ext
       SetVariableList(output, copy.inputs_name, copy.cmake_inputs)
 
       copy.outputs_name = copy_name + '__output' + copy.ext
@@ skipping 131 matching lines @@
 
   path_from_cmakelists_to_gyp = build_to_gyp
 
   spec = target_dicts.get(qualified_target, {})
   config = spec.get('configurations', {}).get(config_to_use, {})
 
   target_name = spec.get('target_name', '<missing target name>')
   target_type = spec.get('type', '<missing target type>')
   target_toolset = spec.get('toolset')
 
+  cmake_target_type = cmake_target_type_from_gyp_target_type.get(target_type)
+  if cmake_target_type is None:
+    print ('Target %s has unknown target type %s, skipping.' %
+          (        target_name,               target_type  ) )
+    return
+
   SetVariable(output, 'TARGET', target_name)
   SetVariable(output, 'TOOLSET', target_toolset)
 
   cmake_target_name = namer.CreateCMakeTargetName(qualified_target)
 
   extra_sources = []
   extra_deps = []
 
   # Actions must come first, since they can generate more OBJs for use below.
   if 'actions' in spec:
     WriteActions(cmake_target_name, spec['actions'], extra_sources, extra_deps,
                  path_from_cmakelists_to_gyp, output)
 
   # Rules must be early like actions.
   if 'rules' in spec:
     WriteRules(cmake_target_name, spec['rules'], extra_sources, extra_deps,
                path_from_cmakelists_to_gyp, output)
 
   # Copies
   if 'copies' in spec:
     WriteCopies(cmake_target_name, spec['copies'], extra_deps,
                 path_from_cmakelists_to_gyp, output)
 
   # Target and sources
   srcs = spec.get('sources', [])
 
   # Gyp separates the sheep from the goats based on file extensions.
-  def partition(l, p):
-    return reduce(lambda x, e: x[not p(e)].append(e) or x, l, ([], []))
-  compilable_srcs, other_srcs = partition(srcs, Compilable)
+  # A full separation is done here because of flag handing (see below).
+  s_sources = []
+  c_sources = []
+  cxx_sources = []
+  linkable_sources = []
+  other_sources = []
+  for src in srcs:
+    _, ext = os.path.splitext(src)
+    src_type = COMPILABLE_EXTENSIONS.get(ext, None)
+    src_norm_path = NormjoinPath(path_from_cmakelists_to_gyp, src);
+
+    if src_type == 's':
+      s_sources.append(src_norm_path)
+    elif src_type == 'cc':
+      c_sources.append(src_norm_path)
+    elif src_type == 'cxx':
+      cxx_sources.append(src_norm_path)
+    elif Linkable(ext):
+      linkable_sources.append(src_norm_path)
+    else:
+      other_sources.append(src_norm_path)
+
+  for extra_source in extra_sources:
+    src, real_source = extra_source
+    _, ext = os.path.splitext(real_source)
+    src_type = COMPILABLE_EXTENSIONS.get(ext, None)
+
+    if src_type == 's':
+      s_sources.append(src)
+    elif src_type == 'cc':
+      c_sources.append(src)
+    elif src_type == 'cxx':
+      cxx_sources.append(src)
+    elif Linkable(ext):
+      linkable_sources.append(src)
+    else:
+      other_sources.append(src)
+
+  s_sources_name = None
+  if s_sources:
+    s_sources_name = cmake_target_name + '__asm_srcs'
+    SetVariableList(output, s_sources_name, s_sources)
+
+  c_sources_name = None
+  if c_sources:
+    c_sources_name = cmake_target_name + '__c_srcs'
+    SetVariableList(output, c_sources_name, c_sources)
+
+  cxx_sources_name = None
+  if cxx_sources:
+    cxx_sources_name = cmake_target_name + '__cxx_srcs'
+    SetVariableList(output, cxx_sources_name, cxx_sources)
+
+  linkable_sources_name = None
+  if linkable_sources:
+    linkable_sources_name = cmake_target_name + '__linkable_srcs'
+    SetVariableList(output, linkable_sources_name, linkable_sources)
+
+  other_sources_name = None
+  if other_sources:
+    other_sources_name = cmake_target_name + '__other_srcs'
+    SetVariableList(output, other_sources_name, other_sources)
 
   # CMake gets upset when executable targets provide no sources.
-  if target_type == 'executable' and not compilable_srcs and not extra_sources:
-    print ('Executable %s has no complilable sources, treating as "none".' %
-                       target_name                                         )
-    target_type = 'none'
+  # http://www.cmake.org/pipermail/cmake/2010-July/038461.html
+  dummy_sources_name = None
+  has_sources = (s_sources_name or
+                 c_sources_name or
+                 cxx_sources_name or
+                 linkable_sources_name or
+                 other_sources_name)
+  if target_type == 'executable' and not has_sources:
+    dummy_sources_name = cmake_target_name + '__dummy_srcs'
+    SetVariable(output, dummy_sources_name,
+                "${obj}.${TOOLSET}/${TARGET}/genc/dummy.c")
+    output.write('if(NOT EXISTS "')
+    WriteVariable(output, dummy_sources_name)
+    output.write('")\n')
+    output.write('  file(WRITE "')
+    WriteVariable(output, dummy_sources_name)
+    output.write('" "")\n')
+    output.write("endif()\n")
 
-  cmake_target_type = cmake_target_type_from_gyp_target_type.get(target_type)
-  if cmake_target_type is None:
-    print ('Target %s has unknown target type %s, skipping.' %
-          (        target_name,               target_type  ) )
-    return
-
-  other_srcs_name = None
-  if other_srcs:
-    other_srcs_name = cmake_target_name + '__other_srcs'
-    SetVariableList(output, other_srcs_name,
-        [NormjoinPath(path_from_cmakelists_to_gyp, src) for src in other_srcs])
 
   # CMake is opposed to setting linker directories and considers the practice
   # of setting linker directories dangerous. Instead, it favors the use of
   # find_library and passing absolute paths to target_link_libraries.
   # However, CMake does provide the command link_directories, which adds
   # link directories to targets defined after it is called.
   # As a result, link_directories must come before the target definition.
   # CMake unfortunately has no means of removing entries from LINK_DIRECTORIES.
   library_dirs = config.get('library_dirs')
   if library_dirs is not None:
     output.write('link_directories(')
     for library_dir in library_dirs:
       output.write(' ')
       output.write(NormjoinPath(path_from_cmakelists_to_gyp, library_dir))
       output.write('\n')
     output.write(')\n')
 
   output.write(cmake_target_type.command)
   output.write('(')
   output.write(cmake_target_name)
 
   if cmake_target_type.modifier is not None:
     output.write(' ')
     output.write(cmake_target_type.modifier)
 
-  if other_srcs_name:
-    WriteVariable(output, other_srcs_name, ' ')
-
-  output.write('\n')
-
-  for src in compilable_srcs:
-    output.write('  ')
-    output.write(NormjoinPath(path_from_cmakelists_to_gyp, src))
-    output.write('\n')
-  for extra_source in extra_sources:
-    output.write('  ')
-    src, _ = extra_source
-    output.write(NormjoinPath(path_from_cmakelists_to_gyp, src))
-    output.write('\n')
+  if s_sources_name:
+    WriteVariable(output, s_sources_name, ' ')
+  if c_sources_name:
+    WriteVariable(output, c_sources_name, ' ')
+  if cxx_sources_name:
+    WriteVariable(output, cxx_sources_name, ' ')
+  if linkable_sources_name:
+    WriteVariable(output, linkable_sources_name, ' ')
+  if other_sources_name:
+    WriteVariable(output, other_sources_name, ' ')
+  if dummy_sources_name:
+    WriteVariable(output, dummy_sources_name, ' ')
 
   output.write(')\n')
 
+  # Let CMake know if the 'all' target should depend on this target.
+  exclude_from_all = ('TRUE' if qualified_target not in all_qualified_targets
+                             else 'FALSE')
+  SetTargetProperty(output, cmake_target_name,
+                      'EXCLUDE_FROM_ALL', exclude_from_all)
+  for extra_target_name in extra_deps:
+    SetTargetProperty(output, extra_target_name,
+                        'EXCLUDE_FROM_ALL', exclude_from_all)
+
   # Output name and location.
   if target_type != 'none':
+    # Link as 'C' if there are no other files
+    if not c_sources and not cxx_sources:
+      SetTargetProperty(output, cmake_target_name, 'LINKER_LANGUAGE', ['C'])
+
     # Mark uncompiled sources as uncompiled.
-    if other_srcs_name:
+    if other_sources_name:
       output.write('set_source_files_properties(')
-      WriteVariable(output, other_srcs_name, '')
+      WriteVariable(output, other_sources_name, '')
       output.write(' PROPERTIES HEADER_FILE_ONLY "TRUE")\n')
 
+    # Mark object sources as linkable.
+    if linkable_sources_name:
+      output.write('set_source_files_properties(')
+      WriteVariable(output, other_sources_name, '')
+      output.write(' PROPERTIES EXTERNAL_OBJECT "TRUE")\n')
+
     # Output directory
     target_output_directory = spec.get('product_dir')
     if target_output_directory is None:
       if target_type in ('executable', 'loadable_module'):
         target_output_directory = generator_default_variables['PRODUCT_DIR']
       elif target_type == 'shared_library':
         target_output_directory = '${builddir}/lib.${TOOLSET}'
       elif spec.get('standalone_static_library', False):
         target_output_directory = generator_default_variables['PRODUCT_DIR']
       else:
@@ skipping 46 matching lines @@
                         cmake_target_type.property_modifier + '_OUTPUT_NAME',
                         product_name)
     SetTargetProperty(output, cmake_target_name, 'SUFFIX', product_ext)
 
     # Make the output of this target referenceable as a source.
     cmake_target_output_basename = product_prefix + product_name + product_ext
     cmake_target_output = os.path.join(cmake_target_output_directory,
                                        cmake_target_output_basename)
     SetFileProperty(output, cmake_target_output, 'GENERATED', ['TRUE'], '')
 
-  # Let CMake know if the 'all' target should depend on this target.
-  exclude_from_all = ('TRUE' if qualified_target not in all_qualified_targets
-                             else 'FALSE')
-  SetTargetProperty(output, cmake_target_name,
-                      'EXCLUDE_FROM_ALL', exclude_from_all)
-  for extra_target_name in extra_deps:
-    SetTargetProperty(output, extra_target_name,
-                        'EXCLUDE_FROM_ALL', exclude_from_all)
+    # Includes
+    includes = config.get('include_dirs')
+    if includes:
+      # This (target include directories) is what requires CMake 2.8.8
+      includes_name = cmake_target_name + '__include_dirs'
+      SetVariableList(output, includes_name,
+          [NormjoinPathForceCMakeSource(path_from_cmakelists_to_gyp, include)
+           for include in includes])
+      output.write('set_property(TARGET ')
+      output.write(cmake_target_name)
+      output.write(' APPEND PROPERTY INCLUDE_DIRECTORIES ')
+      WriteVariable(output, includes_name, '')
+      output.write(')\n')
 
-  # Includes
-  includes = config.get('include_dirs')
-  if includes:
-    # This (target include directories) is what requires CMake 2.8.8
-    includes_name = cmake_target_name + '__include_dirs'
-    SetVariableList(output, includes_name,
-        [NormjoinPathForceCMakeSource(path_from_cmakelists_to_gyp, include)
-         for include in includes])
-    output.write('set_property(TARGET ')
-    output.write(cmake_target_name)
-    output.write(' APPEND PROPERTY INCLUDE_DIRECTORIES ')
-    WriteVariable(output, includes_name, '')
-    output.write(')\n')
+    # Defines
+    defines = config.get('defines')
+    if defines is not None:
+      SetTargetProperty(output,
+                          cmake_target_name,
+                          'COMPILE_DEFINITIONS',
+                          defines,
+                          ';')
 
-  # Defines
-  defines = config.get('defines')
-  if defines is not None:
-    SetTargetProperty(output,
-                        cmake_target_name,
-                        'COMPILE_DEFINITIONS',
-                        defines,
-                        ';')
+    # Compile Flags - http://www.cmake.org/Bug/view.php?id=6493
+    # CMake currently does not have target C and CXX flags.
+    # So, instead of doing...
 
-  # Compile Flags - http://www.cmake.org/Bug/view.php?id=6493
-  # CMake currently does not have target C and CXX flags.
-  # So, instead of doing...
+    # cflags_c = config.get('cflags_c')
+    # if cflags_c is not None:
+    #   SetTargetProperty(output, cmake_target_name,
+    #                       'C_COMPILE_FLAGS', cflags_c, ' ')
 
-  # cflags_c = config.get('cflags_c')
-  # if cflags_c is not None:
-  #   SetTargetProperty(output, cmake_target_name,
-  #                       'C_COMPILE_FLAGS', cflags_c, ' ')
+    # cflags_cc = config.get('cflags_cc')
+    # if cflags_cc is not None:
+    #   SetTargetProperty(output, cmake_target_name,
+    #                       'CXX_COMPILE_FLAGS', cflags_cc, ' ')
 
-  # cflags_cc = config.get('cflags_cc')
-  # if cflags_cc is not None:
-  #   SetTargetProperty(output, cmake_target_name,
-  #                       'CXX_COMPILE_FLAGS', cflags_cc, ' ')
+    # Instead we must...
+    cflags = config.get('cflags', [])
+    cflags_c = config.get('cflags_c', [])
+    cflags_cxx = config.get('cflags_cc', [])
+    if (not cflags_c or not c_sources) and (not cflags_cxx or not cxx_sources):
+      SetTargetProperty(output, cmake_target_name, 'COMPILE_FLAGS', cflags, ' ')
 
-  # Instead we must...
-  s_sources = []
-  c_sources = []
-  cxx_sources = []
-  for src in srcs:
-    _, ext = os.path.splitext(src)
-    src_type = COMPILABLE_EXTENSIONS.get(ext, None)
-
-    if src_type == 's':
-      s_sources.append(NormjoinPath(path_from_cmakelists_to_gyp, src))
-
-    if src_type == 'cc':
-      c_sources.append(NormjoinPath(path_from_cmakelists_to_gyp, src))
-
-    if src_type == 'cxx':
-      cxx_sources.append(NormjoinPath(path_from_cmakelists_to_gyp, src))
-
-  for extra_source in extra_sources:
-    src, real_source = extra_source
-    _, ext = os.path.splitext(real_source)
-    src_type = COMPILABLE_EXTENSIONS.get(ext, None)
-
-    if src_type == 's':
-      s_sources.append(NormjoinPath(path_from_cmakelists_to_gyp, src))
-
-    if src_type == 'cc':
-      c_sources.append(NormjoinPath(path_from_cmakelists_to_gyp, src))
-
-    if src_type == 'cxx':
-      cxx_sources.append(NormjoinPath(path_from_cmakelists_to_gyp, src))
-
-  cflags = config.get('cflags', [])
-  cflags_c = config.get('cflags_c', [])
-  cflags_cxx = config.get('cflags_cc', [])
-  if c_sources and not (s_sources or cxx_sources):
-    flags = []
-    flags.extend(cflags)
-    flags.extend(cflags_c)
-    SetTargetProperty(output, cmake_target_name, 'COMPILE_FLAGS', flags, ' ')
-
-  elif cxx_sources and not (s_sources or c_sources):
-    flags = []
-    flags.extend(cflags)
-    flags.extend(cflags_cxx)
-    SetTargetProperty(output, cmake_target_name, 'COMPILE_FLAGS', flags, ' ')
-
-  else:
-    if s_sources and cflags:
-      SetFilesProperty(output, s_sources, 'COMPILE_FLAGS', cflags, ' ')
-
-    if c_sources and (cflags or cflags_c):
+    elif c_sources and not (s_sources or cxx_sources):
       flags = []
       flags.extend(cflags)
       flags.extend(cflags_c)
-      SetFilesProperty(output, c_sources, 'COMPILE_FLAGS', flags, ' ')
+      SetTargetProperty(output, cmake_target_name, 'COMPILE_FLAGS', flags, ' ')
 
-    if cxx_sources and (cflags or cflags_cxx):
+    elif cxx_sources and not (s_sources or c_sources):
       flags = []
       flags.extend(cflags)
       flags.extend(cflags_cxx)
-      SetFilesProperty(output, cxx_sources, 'COMPILE_FLAGS', flags, ' ')
+      SetTargetProperty(output, cmake_target_name, 'COMPILE_FLAGS', flags, ' ')
 
-  # Have assembly link as c if there are no other files
-  if not c_sources and not cxx_sources and s_sources:
-    SetTargetProperty(output, cmake_target_name, 'LINKER_LANGUAGE', ['C'])
+    else:
+      # TODO: This is broken, one cannot generally set properties on files,
+      # as other targets may require different properties on the same files.
+      if s_sources and cflags:
+        SetFilesProperty(output, s_sources_name, 'COMPILE_FLAGS', cflags, ' ')
 
-  # Linker flags
-  ldflags = config.get('ldflags')
-  if ldflags is not None:
-    SetTargetProperty(output, cmake_target_name, 'LINK_FLAGS', ldflags, ' ')
+      if c_sources and (cflags or cflags_c):
+        flags = []
+        flags.extend(cflags)
+        flags.extend(cflags_c)
+        SetFilesProperty(output, c_sources_name, 'COMPILE_FLAGS', flags, ' ')
+
+      if cxx_sources and (cflags or cflags_cxx):
+        flags = []
+        flags.extend(cflags)
+        flags.extend(cflags_cxx)
+        SetFilesProperty(output, cxx_sources_name, 'COMPILE_FLAGS', flags, ' ')
+
+    # Linker flags
+    ldflags = config.get('ldflags')
+    if ldflags is not None:
+      SetTargetProperty(output, cmake_target_name, 'LINK_FLAGS', ldflags, ' ')
 
   # Note on Dependencies and Libraries:
   # CMake wants to handle link order, resolving the link line up front.
   # Gyp does not retain or enforce specifying enough information to do so.
   # So do as other gyp generators and use --start-group and --end-group.
   # Give CMake as little information as possible so that it doesn't mess it up.
 
   # Dependencies
   rawDeps = spec.get('dependencies', [])
 
@@ skipping 100 matching lines @@
 
   toplevel_build = os.path.join(options.toplevel_dir, build_dir)
 
   output_file = os.path.join(toplevel_build, 'CMakeLists.txt')
   gyp.common.EnsureDirExists(output_file)
 
   output = open(output_file, 'w')
   output.write('cmake_minimum_required(VERSION 2.8.8 FATAL_ERROR)\n')
   output.write('cmake_policy(VERSION 2.8.8)\n')
 
-  _, project_target, _ = gyp.common.ParseQualifiedTarget(target_list[-1])
+  gyp_file, project_target, _ = gyp.common.ParseQualifiedTarget(target_list[-1])
   output.write('project(')
   output.write(project_target)
   output.write(')\n')
 
   SetVariable(output, 'configuration', config_to_use)
 
+  ar = None
+  cc = None
+  cxx = None
+
+  make_global_settings = data[gyp_file].get('make_global_settings', [])
+  build_to_top = gyp.common.InvertRelativePath(build_dir,
+                                               options.toplevel_dir)
+  for key, value in make_global_settings:
+    if key == 'AR':
+      ar = os.path.join(build_to_top, value)
+    if key == 'CC':
+      cc = os.path.join(build_to_top, value)
+    if key == 'CXX':
+      cxx = os.path.join(build_to_top, value)
+
+  ar = gyp.common.GetEnvironFallback(['AR_target', 'AR'], ar)
+  cc = gyp.common.GetEnvironFallback(['CC_target', 'CC'], cc)
+  cxx = gyp.common.GetEnvironFallback(['CXX_target', 'CXX'], cxx)
+
+  if ar:
+    SetVariable(output, 'CMAKE_AR', ar)
+  if cc:
+    SetVariable(output, 'CMAKE_C_COMPILER', cc)
+  if cxx:
+    SetVariable(output, 'CMAKE_CXX_COMPILER', cxx)
+
   # The following appears to be as-yet undocumented.
   # http://public.kitware.com/Bug/view.php?id=8392
   output.write('enable_language(ASM)\n')
   # ASM-ATT does not support .S files.
   # output.write('enable_language(ASM-ATT)\n')
 
+  if cc:
+    SetVariable(output, 'CMAKE_ASM_COMPILER', cc)
+
   SetVariable(output, 'builddir', '${CMAKE_BINARY_DIR}')
   SetVariable(output, 'obj', '${builddir}/obj')
   output.write('\n')
 
   # TODO: Undocumented/unsupported (the CMake Java generator depends on it).
   # CMake by default names the object resulting from foo.c to be foo.c.o.
   # Gyp traditionally names the object resulting from foo.c foo.o.
   # This should be irrelevant, but some targets extract .o files from .a
   # and depend on the name of the extracted .o files.
   output.write('set(CMAKE_C_OUTPUT_EXTENSION_REPLACE 1)\n')
   output.write('set(CMAKE_CXX_OUTPUT_EXTENSION_REPLACE 1)\n')
   output.write('\n')
 
+  # Force ninja to use rsp files. Otherwise link and ar lines can get too long,
+  # resulting in 'Argument list too long' errors.
+  output.write('set(CMAKE_NINJA_FORCE_RESPONSE_FILE 1)\n')
+  output.write('\n')
+
   namer = CMakeNamer(target_list)
 
   # The list of targets upon which the 'all' target should depend.
   # CMake has it's own implicit 'all' target, one is not created explicitly.
   all_qualified_targets = set()
   for build_file in params['build_files']:
     for qualified_target in gyp.common.AllTargets(target_list,
                                                   target_dicts,
                                                   os.path.normpath(build_file)):
       all_qualified_targets.add(qualified_target)
@@ skipping 55 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)