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Diffstat (limited to 'deps/gyp/pylib/gyp/generator/ninja.py')
| -rw-r--r-- | deps/gyp/pylib/gyp/generator/ninja.py | 2156 |
1 files changed, 2156 insertions, 0 deletions
diff --git a/deps/gyp/pylib/gyp/generator/ninja.py b/deps/gyp/pylib/gyp/generator/ninja.py new file mode 100644 index 0000000000..1ed23f64cc --- /dev/null +++ b/deps/gyp/pylib/gyp/generator/ninja.py @@ -0,0 +1,2156 @@ +# 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 +import signal +import subprocess +import sys +import gyp +import gyp.common +import gyp.msvs_emulation +import gyp.MSVSUtil as MSVSUtil +import gyp.xcode_emulation +from cStringIO import StringIO + +from gyp.common import GetEnvironFallback +import gyp.ninja_syntax as ninja_syntax + +generator_default_variables = { + 'EXECUTABLE_PREFIX': '', + 'EXECUTABLE_SUFFIX': '', + 'STATIC_LIB_PREFIX': 'lib', + 'STATIC_LIB_SUFFIX': '.a', + 'SHARED_LIB_PREFIX': 'lib', + + # Gyp expects the following variables to be expandable by the build + # system to the appropriate locations. Ninja prefers paths to be + # known at gyp time. To resolve this, introduce special + # variables starting with $! and $| (which begin with a $ so gyp knows it + # should be treated specially, but is otherwise an invalid + # ninja/shell variable) that are passed to gyp here but expanded + # before writing out into the target .ninja files; see + # ExpandSpecial. + # $! is used for variables that represent a path and that can only appear at + # the start of a string, while $| is used for variables that can appear + # anywhere in a string. + 'INTERMEDIATE_DIR': '$!INTERMEDIATE_DIR', + 'SHARED_INTERMEDIATE_DIR': '$!PRODUCT_DIR/gen', + 'PRODUCT_DIR': '$!PRODUCT_DIR', + 'CONFIGURATION_NAME': '$|CONFIGURATION_NAME', + + # Special variables that may be used by gyp 'rule' targets. + # We generate definitions for these variables on the fly when processing a + # rule. + 'RULE_INPUT_ROOT': '${root}', + '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_filelist_paths = 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 + os.environ.get('CXX_target')) + + +def StripPrefix(arg, prefix): + if arg.startswith(prefix): + return arg[len(prefix):] + return arg + + +def QuoteShellArgument(arg, flavor): + """Quote a string such that it will be interpreted as a single argument + by the shell.""" + # Rather than attempting to enumerate the bad shell characters, just + # whitelist common OK ones and quote anything else. + if re.match(r'^[a-zA-Z0-9_=.\\/-]+$', arg): + return arg # No quoting necessary. + if flavor == 'win': + return gyp.msvs_emulation.QuoteForRspFile(arg) + return "'" + arg.replace("'", "'" + '"\'"' + "'") + "'" + + +def Define(d, flavor): + """Takes a preprocessor define and returns a -D parameter that's ninja- and + shell-escaped.""" + if flavor == 'win': + # cl.exe replaces literal # characters with = in preprocesor definitions for + # some reason. Octal-encode to work around that. + d = d.replace('#', '\\%03o' % ord('#')) + return QuoteShellArgument(ninja_syntax.escape('-D' + d), flavor) + + +def AddArch(output, arch): + """Adds an arch string to an output path.""" + output, extension = os.path.splitext(output) + return '%s.%s%s' % (output, arch, extension) + + +class Target: + """Target represents the paths used within a single gyp target. + + Conceptually, building a single target A is a series of steps: + + 1) actions/rules/copies generates source/resources/etc. + 2) compiles generates .o files + 3) link generates a binary (library/executable) + 4) bundle merges the above in a mac bundle + + (Any of these steps can be optional.) + + From a build ordering perspective, a dependent target B could just + depend on the last output of this series of steps. + + But some dependent commands sometimes need to reach inside the box. + For example, when linking B it needs to get the path to the static + library generated by A. + + This object stores those paths. To keep things simple, member + variables only store concrete paths to single files, while methods + compute derived values like "the last output of the target". + """ + def __init__(self, type): + # Gyp type ("static_library", etc.) of this target. + self.type = type + # File representing whether any input dependencies necessary for + # dependent actions have completed. + self.preaction_stamp = None + # File representing whether any input dependencies necessary for + # dependent compiles have completed. + self.precompile_stamp = None + # File representing the completion of actions/rules/copies, if any. + self.actions_stamp = None + # Path to the output of the link step, if any. + self.binary = None + # Path to the file representing the completion of building the bundle, + # if any. + self.bundle = None + # On Windows, incremental linking requires linking against all the .objs + # that compose a .lib (rather than the .lib itself). That list is stored + # here. + self.component_objs = None + # Windows only. The import .lib is the output of a build step, but + # because dependents only link against the lib (not both the lib and the + # dll) we keep track of the import library here. + self.import_lib = None + + def Linkable(self): + """Return true if this is a target that can be linked against.""" + return self.type in ('static_library', 'shared_library') + + def UsesToc(self, flavor): + """Return true if the target should produce a restat rule based on a TOC + file.""" + # For bundles, the .TOC should be produced for the binary, not for + # FinalOutput(). But the naive approach would put the TOC file into the + # bundle, so don't do this for bundles for now. + if flavor == 'win' or self.bundle: + return False + return self.type in ('shared_library', 'loadable_module') + + def PreActionInput(self, flavor): + """Return the path, if any, that should be used as a dependency of + any dependent action step.""" + if self.UsesToc(flavor): + return self.FinalOutput() + '.TOC' + return self.FinalOutput() or self.preaction_stamp + + def PreCompileInput(self): + """Return the path, if any, that should be used as a dependency of + any dependent compile step.""" + return self.actions_stamp or self.precompile_stamp + + def FinalOutput(self): + """Return the last output of the target, which depends on all prior + steps.""" + return self.bundle or self.binary or self.actions_stamp + + +# A small discourse on paths as used within the Ninja build: +# All files we produce (both at gyp and at build time) appear in the +# build directory (e.g. out/Debug). +# +# Paths within a given .gyp file are always relative to the directory +# containing the .gyp file. Call these "gyp paths". This includes +# sources as well as the starting directory a given gyp rule/action +# expects to be run from. We call the path from the source root to +# the gyp file the "base directory" within the per-.gyp-file +# NinjaWriter code. +# +# All paths as written into the .ninja files are relative to the build +# directory. Call these paths "ninja paths". +# +# We translate between these two notions of paths with two helper +# functions: +# +# - GypPathToNinja translates a gyp path (i.e. relative to the .gyp file) +# into the equivalent ninja path. +# +# - GypPathToUniqueOutput translates a gyp path into a ninja path to write +# an output file; the result can be namespaced such that it is unique +# to the input file name as well as the output target name. + +class NinjaWriter: + def __init__(self, qualified_target, target_outputs, base_dir, build_dir, + output_file, toplevel_build, output_file_name, flavor, + toplevel_dir=None): + """ + base_dir: path from source root to directory containing this gyp file, + by gyp semantics, all input paths are relative to this + build_dir: path from source root to build output + toplevel_dir: path to the toplevel directory + """ + + self.qualified_target = qualified_target + self.target_outputs = target_outputs + self.base_dir = base_dir + self.build_dir = build_dir + self.ninja = ninja_syntax.Writer(output_file) + self.toplevel_build = toplevel_build + self.output_file_name = output_file_name + + self.flavor = flavor + self.abs_build_dir = None + if toplevel_dir is not None: + self.abs_build_dir = os.path.abspath(os.path.join(toplevel_dir, + build_dir)) + self.obj_ext = '.obj' if flavor == 'win' else '.o' + if flavor == 'win': + # See docstring of msvs_emulation.GenerateEnvironmentFiles(). + self.win_env = {} + for arch in ('x86', 'x64'): + self.win_env[arch] = 'environment.' + arch + + # Relative path from build output dir to base dir. + build_to_top = gyp.common.InvertRelativePath(build_dir, toplevel_dir) + self.build_to_base = os.path.join(build_to_top, base_dir) + # Relative path from base dir to build dir. + base_to_top = gyp.common.InvertRelativePath(base_dir, toplevel_dir) + self.base_to_build = os.path.join(base_to_top, build_dir) + + def ExpandSpecial(self, path, product_dir=None): + """Expand specials like $!PRODUCT_DIR in |path|. + + If |product_dir| is None, assumes the cwd is already the product + dir. Otherwise, |product_dir| is the relative path to the product + dir. + """ + + PRODUCT_DIR = '$!PRODUCT_DIR' + if PRODUCT_DIR in path: + if product_dir: + path = path.replace(PRODUCT_DIR, product_dir) + else: + path = path.replace(PRODUCT_DIR + '/', '') + path = path.replace(PRODUCT_DIR + '\\', '') + path = path.replace(PRODUCT_DIR, '.') + + INTERMEDIATE_DIR = '$!INTERMEDIATE_DIR' + if INTERMEDIATE_DIR in path: + int_dir = self.GypPathToUniqueOutput('gen') + # GypPathToUniqueOutput generates a path relative to the product dir, + # so insert product_dir in front if it is provided. + path = path.replace(INTERMEDIATE_DIR, + os.path.join(product_dir or '', int_dir)) + + CONFIGURATION_NAME = '$|CONFIGURATION_NAME' + path = path.replace(CONFIGURATION_NAME, self.config_name) + + return path + + def ExpandRuleVariables(self, path, root, dirname, source, ext, name): + if self.flavor == 'win': + path = self.msvs_settings.ConvertVSMacros( + path, config=self.config_name) + path = path.replace(generator_default_variables['RULE_INPUT_ROOT'], root) + path = path.replace(generator_default_variables['RULE_INPUT_DIRNAME'], + dirname) + path = path.replace(generator_default_variables['RULE_INPUT_PATH'], source) + path = path.replace(generator_default_variables['RULE_INPUT_EXT'], ext) + path = path.replace(generator_default_variables['RULE_INPUT_NAME'], name) + return path + + def GypPathToNinja(self, path, env=None): + """Translate a gyp path to a ninja path, optionally expanding environment + variable references in |path| with |env|. + + See the above discourse on path conversions.""" + if env: + if self.flavor == 'mac': + path = gyp.xcode_emulation.ExpandEnvVars(path, env) + elif self.flavor == 'win': + path = gyp.msvs_emulation.ExpandMacros(path, env) + if path.startswith('$!'): + expanded = self.ExpandSpecial(path) + if self.flavor == 'win': + expanded = os.path.normpath(expanded) + return expanded + if '$|' in path: + path = self.ExpandSpecial(path) + assert '$' not in path, path + return os.path.normpath(os.path.join(self.build_to_base, path)) + + def GypPathToUniqueOutput(self, path, qualified=True): + """Translate a gyp path to a ninja path for writing output. + + If qualified is True, qualify the resulting filename with the name + of the target. This is necessary when e.g. compiling the same + path twice for two separate output targets. + + See the above discourse on path conversions.""" + + path = self.ExpandSpecial(path) + assert not path.startswith('$'), path + + # Translate the path following this scheme: + # Input: foo/bar.gyp, target targ, references baz/out.o + # Output: obj/foo/baz/targ.out.o (if qualified) + # obj/foo/baz/out.o (otherwise) + # (and obj.host instead of obj for cross-compiles) + # + # Why this scheme and not some other one? + # 1) for a given input, you can compute all derived outputs by matching + # its path, even if the input is brought via a gyp file with '..'. + # 2) simple files like libraries and stamps have a simple filename. + + obj = 'obj' + if self.toolset != 'target': + obj += '.' + self.toolset + + path_dir, path_basename = os.path.split(path) + if qualified: + path_basename = self.name + '.' + path_basename + return os.path.normpath(os.path.join(obj, self.base_dir, path_dir, + path_basename)) + + def WriteCollapsedDependencies(self, name, targets): + """Given a list of targets, return a path for a single file + representing the result of building all the targets or None. + + Uses a stamp file if necessary.""" + + assert targets == filter(None, targets), targets + if len(targets) == 0: + return None + if len(targets) > 1: + stamp = self.GypPathToUniqueOutput(name + '.stamp') + targets = self.ninja.build(stamp, 'stamp', targets) + self.ninja.newline() + return targets[0] + + def _SubninjaNameForArch(self, arch): + output_file_base = os.path.splitext(self.output_file_name)[0] + return '%s.%s.ninja' % (output_file_base, arch) + + def WriteSpec(self, spec, config_name, generator_flags): + """The main entry point for NinjaWriter: write the build rules for a spec. + + Returns a Target object, which represents the output paths for this spec. + Returns None if there are no outputs (e.g. a settings-only 'none' type + target).""" + + self.config_name = config_name + self.name = spec['target_name'] + self.toolset = spec['toolset'] + config = spec['configurations'][config_name] + self.target = Target(spec['type']) + self.is_standalone_static_library = bool( + spec.get('standalone_static_library', 0)) + # Track if this target contains any C++ files, to decide if gcc or g++ + # should be used for linking. + self.uses_cpp = False + + self.is_mac_bundle = gyp.xcode_emulation.IsMacBundle(self.flavor, spec) + self.xcode_settings = self.msvs_settings = None + if self.flavor == 'mac': + self.xcode_settings = gyp.xcode_emulation.XcodeSettings(spec) + if self.flavor == 'win': + self.msvs_settings = gyp.msvs_emulation.MsvsSettings(spec, + generator_flags) + arch = self.msvs_settings.GetArch(config_name) + self.ninja.variable('arch', self.win_env[arch]) + self.ninja.variable('cc', '$cl_' + arch) + self.ninja.variable('cxx', '$cl_' + arch) + + if self.flavor == 'mac': + self.archs = self.xcode_settings.GetActiveArchs(config_name) + if len(self.archs) > 1: + self.arch_subninjas = dict( + (arch, ninja_syntax.Writer( + OpenOutput(os.path.join(self.toplevel_build, + self._SubninjaNameForArch(arch)), + 'w'))) + for arch in self.archs) + + # Compute predepends for all rules. + # actions_depends is the dependencies this target depends on before running + # any of its action/rule/copy steps. + # compile_depends is the dependencies this target depends on before running + # any of its compile steps. + actions_depends = [] + compile_depends = [] + # TODO(evan): it is rather confusing which things are lists and which + # are strings. Fix these. + if 'dependencies' in spec: + for dep in spec['dependencies']: + if dep in self.target_outputs: + target = self.target_outputs[dep] + actions_depends.append(target.PreActionInput(self.flavor)) + compile_depends.append(target.PreCompileInput()) + actions_depends = filter(None, actions_depends) + compile_depends = filter(None, compile_depends) + actions_depends = self.WriteCollapsedDependencies('actions_depends', + actions_depends) + compile_depends = self.WriteCollapsedDependencies('compile_depends', + compile_depends) + self.target.preaction_stamp = actions_depends + self.target.precompile_stamp = compile_depends + + # Write out actions, rules, and copies. These must happen before we + # compile any sources, so compute a list of predependencies for sources + # while we do it. + extra_sources = [] + mac_bundle_depends = [] + self.target.actions_stamp = self.WriteActionsRulesCopies( + spec, extra_sources, actions_depends, mac_bundle_depends) + + # If we have actions/rules/copies, we depend directly on those, but + # otherwise we depend on dependent target's actions/rules/copies etc. + # We never need to explicitly depend on previous target's link steps, + # because no compile ever depends on them. + compile_depends_stamp = (self.target.actions_stamp or compile_depends) + + # Write out the compilation steps, if any. + link_deps = [] + sources = extra_sources + spec.get('sources', []) + if sources: + if self.flavor == 'mac' and len(self.archs) > 1: + # Write subninja file containing compile and link commands scoped to + # a single arch if a fat binary is being built. + for arch in self.archs: + self.ninja.subninja(self._SubninjaNameForArch(arch)) + + pch = None + if self.flavor == 'win': + gyp.msvs_emulation.VerifyMissingSources( + sources, self.abs_build_dir, generator_flags, self.GypPathToNinja) + pch = gyp.msvs_emulation.PrecompiledHeader( + self.msvs_settings, config_name, self.GypPathToNinja, + self.GypPathToUniqueOutput, self.obj_ext) + else: + pch = gyp.xcode_emulation.MacPrefixHeader( + self.xcode_settings, self.GypPathToNinja, + lambda path, lang: self.GypPathToUniqueOutput(path + '-' + lang)) + link_deps = self.WriteSources( + self.ninja, config_name, config, sources, compile_depends_stamp, pch, + spec) + # Some actions/rules output 'sources' that are already object files. + obj_outputs = [f for f in sources if f.endswith(self.obj_ext)] + if obj_outputs: + if self.flavor != 'mac' or len(self.archs) == 1: + link_deps += [self.GypPathToNinja(o) for o in obj_outputs] + else: + print "Warning: Actions/rules writing object files don't work with " \ + "multiarch targets, dropping. (target %s)" % spec['target_name'] + + + if self.flavor == 'win' and self.target.type == 'static_library': + self.target.component_objs = link_deps + + # Write out a link step, if needed. + output = None + is_empty_bundle = not link_deps and not mac_bundle_depends + if link_deps or self.target.actions_stamp or actions_depends: + output = self.WriteTarget(spec, config_name, config, link_deps, + self.target.actions_stamp or actions_depends) + if self.is_mac_bundle: + mac_bundle_depends.append(output) + + # Bundle all of the above together, if needed. + if self.is_mac_bundle: + output = self.WriteMacBundle(spec, mac_bundle_depends, is_empty_bundle) + + if not output: + return None + + assert self.target.FinalOutput(), output + return self.target + + def _WinIdlRule(self, source, prebuild, outputs): + """Handle the implicit VS .idl rule for one source file. Fills |outputs| + with files that are generated.""" + outdir, output, vars, flags = self.msvs_settings.GetIdlBuildData( + source, self.config_name) + outdir = self.GypPathToNinja(outdir) + def fix_path(path, rel=None): + path = os.path.join(outdir, path) + dirname, basename = os.path.split(source) + root, ext = os.path.splitext(basename) + path = self.ExpandRuleVariables( + path, root, dirname, source, ext, basename) + if rel: + path = os.path.relpath(path, rel) + return path + vars = [(name, fix_path(value, outdir)) for name, value in vars] + output = [fix_path(p) for p in output] + vars.append(('outdir', outdir)) + vars.append(('idlflags', flags)) + input = self.GypPathToNinja(source) + self.ninja.build(output, 'idl', input, + variables=vars, order_only=prebuild) + outputs.extend(output) + + def WriteWinIdlFiles(self, spec, prebuild): + """Writes rules to match MSVS's implicit idl handling.""" + assert self.flavor == 'win' + if self.msvs_settings.HasExplicitIdlRules(spec): + return [] + outputs = [] + for source in filter(lambda x: x.endswith('.idl'), spec['sources']): + self._WinIdlRule(source, prebuild, outputs) + return outputs + + def WriteActionsRulesCopies(self, spec, extra_sources, prebuild, + mac_bundle_depends): + """Write out the Actions, Rules, and Copies steps. Return a path + representing the outputs of these steps.""" + outputs = [] + if self.is_mac_bundle: + mac_bundle_resources = spec.get('mac_bundle_resources', [])[:] + else: + mac_bundle_resources = [] + extra_mac_bundle_resources = [] + + if 'actions' in spec: + outputs += self.WriteActions(spec['actions'], extra_sources, prebuild, + extra_mac_bundle_resources) + if 'rules' in spec: + outputs += self.WriteRules(spec['rules'], extra_sources, prebuild, + mac_bundle_resources, + extra_mac_bundle_resources) + if 'copies' in spec: + outputs += self.WriteCopies(spec['copies'], prebuild, mac_bundle_depends) + + if 'sources' in spec and self.flavor == 'win': + outputs += self.WriteWinIdlFiles(spec, prebuild) + + stamp = self.WriteCollapsedDependencies('actions_rules_copies', outputs) + + if self.is_mac_bundle: + self.WriteMacBundleResources( + extra_mac_bundle_resources + mac_bundle_resources, mac_bundle_depends) + self.WriteMacInfoPlist(mac_bundle_depends) + + return stamp + + def GenerateDescription(self, verb, message, fallback): + """Generate and return a description of a build step. + + |verb| is the short summary, e.g. ACTION or RULE. + |message| is a hand-written description, or None if not available. + |fallback| is the gyp-level name of the step, usable as a fallback. + """ + if self.toolset != 'target': + verb += '(%s)' % self.toolset + if message: + return '%s %s' % (verb, self.ExpandSpecial(message)) + else: + return '%s %s: %s' % (verb, self.name, fallback) + + def WriteActions(self, actions, extra_sources, prebuild, + extra_mac_bundle_resources): + # Actions cd into the base directory. + env = self.GetSortedXcodeEnv() + if self.flavor == 'win': + env = self.msvs_settings.GetVSMacroEnv( + '$!PRODUCT_DIR', config=self.config_name) + all_outputs = [] + for action in actions: + # First write out a rule for the action. + name = '%s_%s' % (action['action_name'], + hashlib.md5(self.qualified_target).hexdigest()) + description = self.GenerateDescription('ACTION', + action.get('message', None), + name) + is_cygwin = (self.msvs_settings.IsRuleRunUnderCygwin(action) + if self.flavor == 'win' else False) + args = action['action'] + rule_name, _ = self.WriteNewNinjaRule(name, args, description, + is_cygwin, env=env) + + inputs = [self.GypPathToNinja(i, env) for i in action['inputs']] + if int(action.get('process_outputs_as_sources', False)): + extra_sources += action['outputs'] + if int(action.get('process_outputs_as_mac_bundle_resources', False)): + extra_mac_bundle_resources += action['outputs'] + outputs = [self.GypPathToNinja(o, env) for o in action['outputs']] + + # Then write out an edge using the rule. + self.ninja.build(outputs, rule_name, inputs, + order_only=prebuild) + all_outputs += outputs + + self.ninja.newline() + + return all_outputs + + def WriteRules(self, rules, extra_sources, prebuild, + mac_bundle_resources, extra_mac_bundle_resources): + env = self.GetSortedXcodeEnv() + all_outputs = [] + for rule in rules: + # First write out a rule for the rule action. + name = '%s_%s' % (rule['rule_name'], + hashlib.md5(self.qualified_target).hexdigest()) + # Skip a rule with no action and no inputs. + if 'action' not in rule and not rule.get('rule_sources', []): + continue + args = rule['action'] + description = self.GenerateDescription( + 'RULE', + rule.get('message', None), + ('%s ' + generator_default_variables['RULE_INPUT_PATH']) % name) + is_cygwin = (self.msvs_settings.IsRuleRunUnderCygwin(rule) + if self.flavor == 'win' else False) + rule_name, args = self.WriteNewNinjaRule( + name, args, description, is_cygwin, env=env) + + # TODO: if the command references the outputs directly, we should + # simplify it to just use $out. + + # Rules can potentially make use of some special variables which + # must vary per source file. + # Compute the list of variables we'll need to provide. + special_locals = ('source', 'root', 'dirname', 'ext', 'name') + needed_variables = set(['source']) + for argument in args: + for var in special_locals: + if ('${%s}' % var) in argument: + needed_variables.add(var) + + def cygwin_munge(path): + if is_cygwin: + return path.replace('\\', '/') + return path + + # For each source file, write an edge that generates all the outputs. + for source in rule.get('rule_sources', []): + source = os.path.normpath(source) + dirname, basename = os.path.split(source) + root, ext = os.path.splitext(basename) + + # Gather the list of inputs and outputs, expanding $vars if possible. + outputs = [self.ExpandRuleVariables(o, root, dirname, + source, ext, basename) + for o in rule['outputs']] + inputs = [self.ExpandRuleVariables(i, root, dirname, + source, ext, basename) + for i in rule.get('inputs', [])] + + if int(rule.get('process_outputs_as_sources', False)): + extra_sources += outputs + + was_mac_bundle_resource = source in mac_bundle_resources + if was_mac_bundle_resource or \ + int(rule.get('process_outputs_as_mac_bundle_resources', False)): + extra_mac_bundle_resources += outputs + # Note: This is n_resources * n_outputs_in_rule. Put to-be-removed + # items in a set and remove them all in a single pass if this becomes + # a performance issue. + if was_mac_bundle_resource: + mac_bundle_resources.remove(source) + + extra_bindings = [] + for var in needed_variables: + if var == 'root': + extra_bindings.append(('root', cygwin_munge(root))) + elif var == 'dirname': + # '$dirname' is a parameter to the rule action, which means + # it shouldn't be converted to a Ninja path. But we don't + # want $!PRODUCT_DIR in there either. + dirname_expanded = self.ExpandSpecial(dirname, self.base_to_build) + extra_bindings.append(('dirname', cygwin_munge(dirname_expanded))) + elif var == 'source': + # '$source' is a parameter to the rule action, which means + # it shouldn't be converted to a Ninja path. But we don't + # want $!PRODUCT_DIR in there either. + source_expanded = self.ExpandSpecial(source, self.base_to_build) + extra_bindings.append(('source', cygwin_munge(source_expanded))) + elif var == 'ext': + extra_bindings.append(('ext', ext)) + elif var == 'name': + extra_bindings.append(('name', cygwin_munge(basename))) + else: + assert var == None, repr(var) + + inputs = [self.GypPathToNinja(i, env) for i in inputs] + outputs = [self.GypPathToNinja(o, env) for o in outputs] + extra_bindings.append(('unique_name', + hashlib.md5(outputs[0]).hexdigest())) + self.ninja.build(outputs, rule_name, self.GypPathToNinja(source), + implicit=inputs, + order_only=prebuild, + variables=extra_bindings) + + all_outputs.extend(outputs) + + return all_outputs + + def WriteCopies(self, copies, prebuild, mac_bundle_depends): + outputs = [] + env = self.GetSortedXcodeEnv() + for copy in copies: + for path in copy['files']: + # Normalize the path so trailing slashes don't confuse us. + path = os.path.normpath(path) + basename = os.path.split(path)[1] + src = self.GypPathToNinja(path, env) + dst = self.GypPathToNinja(os.path.join(copy['destination'], basename), + env) + outputs += self.ninja.build(dst, 'copy', src, order_only=prebuild) + if self.is_mac_bundle: + # gyp has mac_bundle_resources to copy things into a bundle's + # Resources folder, but there's no built-in way to copy files to other + # places in the bundle. Hence, some targets use copies for this. Check + # if this file is copied into the current bundle, and if so add it to + # the bundle depends so that dependent targets get rebuilt if the copy + # input changes. + if dst.startswith(self.xcode_settings.GetBundleContentsFolderPath()): + mac_bundle_depends.append(dst) + + return outputs + + def WriteMacBundleResources(self, resources, bundle_depends): + """Writes ninja edges for 'mac_bundle_resources'.""" + for output, res in gyp.xcode_emulation.GetMacBundleResources( + generator_default_variables['PRODUCT_DIR'], + self.xcode_settings, map(self.GypPathToNinja, resources)): + output = self.ExpandSpecial(output) + self.ninja.build(output, 'mac_tool', res, + variables=[('mactool_cmd', 'copy-bundle-resource')]) + bundle_depends.append(output) + + def WriteMacInfoPlist(self, bundle_depends): + """Write build rules for bundle Info.plist files.""" + info_plist, out, defines, extra_env = gyp.xcode_emulation.GetMacInfoPlist( + generator_default_variables['PRODUCT_DIR'], + self.xcode_settings, self.GypPathToNinja) + if not info_plist: + return + out = self.ExpandSpecial(out) + if defines: + # Create an intermediate file to store preprocessed results. + intermediate_plist = self.GypPathToUniqueOutput( + os.path.basename(info_plist)) + defines = ' '.join([Define(d, self.flavor) for d in defines]) + info_plist = self.ninja.build( + intermediate_plist, 'preprocess_infoplist', info_plist, + variables=[('defines',defines)]) + + env = self.GetSortedXcodeEnv(additional_settings=extra_env) + env = self.ComputeExportEnvString(env) + + keys = self.xcode_settings.GetExtraPlistItems(self.config_name) + keys = QuoteShellArgument(json.dumps(keys), self.flavor) + self.ninja.build(out, 'copy_infoplist', info_plist, + variables=[('env', env), ('keys', keys)]) + bundle_depends.append(out) + + def WriteSources(self, ninja_file, config_name, config, sources, predepends, + precompiled_header, spec): + """Write build rules to compile all of |sources|.""" + if self.toolset == 'host': + self.ninja.variable('ar', '$ar_host') + self.ninja.variable('cc', '$cc_host') + self.ninja.variable('cxx', '$cxx_host') + self.ninja.variable('ld', '$ld_host') + self.ninja.variable('ldxx', '$ldxx_host') + + if self.flavor != 'mac' or len(self.archs) == 1: + return self.WriteSourcesForArch( + self.ninja, config_name, config, sources, predepends, + precompiled_header, spec) + else: + return dict((arch, self.WriteSourcesForArch( + self.arch_subninjas[arch], config_name, config, sources, predepends, + precompiled_header, spec, arch=arch)) + for arch in self.archs) + + def WriteSourcesForArch(self, ninja_file, config_name, config, sources, + predepends, precompiled_header, spec, arch=None): + """Write build rules to compile all of |sources|.""" + + extra_defines = [] + if self.flavor == 'mac': + cflags = self.xcode_settings.GetCflags(config_name, arch=arch) + cflags_c = self.xcode_settings.GetCflagsC(config_name) + cflags_cc = self.xcode_settings.GetCflagsCC(config_name) + cflags_objc = ['$cflags_c'] + \ + self.xcode_settings.GetCflagsObjC(config_name) + cflags_objcc = ['$cflags_cc'] + \ + self.xcode_settings.GetCflagsObjCC(config_name) + elif self.flavor == 'win': + cflags = self.msvs_settings.GetCflags(config_name) + cflags_c = self.msvs_settings.GetCflagsC(config_name) + cflags_cc = self.msvs_settings.GetCflagsCC(config_name) + extra_defines = self.msvs_settings.GetComputedDefines(config_name) + # See comment at cc_command for why there's two .pdb files. + pdbpath_c = pdbpath_cc = self.msvs_settings.GetCompilerPdbName( + config_name, self.ExpandSpecial) + if not pdbpath_c: + obj = 'obj' + if self.toolset != 'target': + obj += '.' + self.toolset + pdbpath = os.path.normpath(os.path.join(obj, self.base_dir, self.name)) + pdbpath_c = pdbpath + '.c.pdb' + pdbpath_cc = pdbpath + '.cc.pdb' + self.WriteVariableList(ninja_file, 'pdbname_c', [pdbpath_c]) + self.WriteVariableList(ninja_file, 'pdbname_cc', [pdbpath_cc]) + self.WriteVariableList(ninja_file, 'pchprefix', [self.name]) + else: + cflags = config.get('cflags', []) + cflags_c = config.get('cflags_c', []) + cflags_cc = config.get('cflags_cc', []) + + # Respect environment variables related to build, but target-specific + # flags can still override them. + if self.toolset == 'target': + cflags_c = (os.environ.get('CPPFLAGS', '').split() + + os.environ.get('CFLAGS', '').split() + cflags_c) + cflags_cc = (os.environ.get('CPPFLAGS', '').split() + + os.environ.get('CXXFLAGS', '').split() + cflags_cc) + + defines = config.get('defines', []) + extra_defines + self.WriteVariableList(ninja_file, 'defines', + [Define(d, self.flavor) for d in defines]) + if self.flavor == 'win': + self.WriteVariableList(ninja_file, 'rcflags', + [QuoteShellArgument(self.ExpandSpecial(f), self.flavor) + for f in self.msvs_settings.GetRcflags(config_name, + self.GypPathToNinja)]) + + include_dirs = config.get('include_dirs', []) + env = self.GetSortedXcodeEnv() + if self.flavor == 'win': + env = self.msvs_settings.GetVSMacroEnv('$!PRODUCT_DIR', + config=config_name) + include_dirs = self.msvs_settings.AdjustIncludeDirs(include_dirs, + config_name) + self.WriteVariableList(ninja_file, 'includes', + [QuoteShellArgument('-I' + self.GypPathToNinja(i, env), self.flavor) + for i in include_dirs]) + + pch_commands = precompiled_header.GetPchBuildCommands(arch) + if self.flavor == 'mac': + # Most targets use no precompiled headers, so only write these if needed. + for ext, var in [('c', 'cflags_pch_c'), ('cc', 'cflags_pch_cc'), + ('m', 'cflags_pch_objc'), ('mm', 'cflags_pch_objcc')]: + include = precompiled_header.GetInclude(ext, arch) + if include: ninja_file.variable(var, include) + + self.WriteVariableList(ninja_file, 'cflags', + map(self.ExpandSpecial, cflags)) + self.WriteVariableList(ninja_file, 'cflags_c', + map(self.ExpandSpecial, cflags_c)) + self.WriteVariableList(ninja_file, 'cflags_cc', + map(self.ExpandSpecial, cflags_cc)) + if self.flavor == 'mac': + self.WriteVariableList(ninja_file, 'cflags_objc', + map(self.ExpandSpecial, cflags_objc)) + self.WriteVariableList(ninja_file, 'cflags_objcc', + map(self.ExpandSpecial, cflags_objcc)) + ninja_file.newline() + outputs = [] + has_rc_source = False + for source in sources: + filename, ext = os.path.splitext(source) + ext = ext[1:] + obj_ext = self.obj_ext + if ext in ('cc', 'cpp', 'cxx'): + command = 'cxx' + self.uses_cpp = True + elif ext == 'c' or (ext == 'S' and self.flavor != 'win'): + command = 'cc' + elif ext == 's' and self.flavor != 'win': # Doesn't generate .o.d files. + command = 'cc_s' + elif (self.flavor == 'win' and ext == 'asm' and + self.msvs_settings.GetArch(config_name) == 'x86' and + not self.msvs_settings.HasExplicitAsmRules(spec)): + # Asm files only get auto assembled for x86 (not x64). + command = 'asm' + # Add the _asm suffix as msvs is capable of handling .cc and + # .asm files of the same name without collision. + obj_ext = '_asm.obj' + elif self.flavor == 'mac' and ext == 'm': + command = 'objc' + elif self.flavor == 'mac' and ext == 'mm': + command = 'objcxx' + self.uses_cpp = True + elif self.flavor == 'win' and ext == 'rc': + command = 'rc' + obj_ext = '.res' + has_rc_source = True + else: + # Ignore unhandled extensions. + continue + input = self.GypPathToNinja(source) + output = self.GypPathToUniqueOutput(filename + obj_ext) + if arch is not None: + output = AddArch(output, arch) + implicit = precompiled_header.GetObjDependencies([input], [output], arch) + variables = [] + if self.flavor == 'win': + variables, output, implicit = precompiled_header.GetFlagsModifications( + input, output, implicit, command, cflags_c, cflags_cc, + self.ExpandSpecial) + ninja_file.build(output, command, input, + implicit=[gch for _, _, gch in implicit], + order_only=predepends, variables=variables) + outputs.append(output) + + if has_rc_source: + resource_include_dirs = config.get('resource_include_dirs', include_dirs) + self.WriteVariableList(ninja_file, 'resource_includes', + [QuoteShellArgument('-I' + self.GypPathToNinja(i, env), self.flavor) + for i in resource_include_dirs]) + + self.WritePchTargets(ninja_file, pch_commands) + + ninja_file.newline() + return outputs + + def WritePchTargets(self, ninja_file, pch_commands): + """Writes ninja rules to compile prefix headers.""" + if not pch_commands: + return + + for gch, lang_flag, lang, input in pch_commands: + var_name = { + 'c': 'cflags_pch_c', + 'cc': 'cflags_pch_cc', + 'm': 'cflags_pch_objc', + 'mm': 'cflags_pch_objcc', + }[lang] + + map = { 'c': 'cc', 'cc': 'cxx', 'm': 'objc', 'mm': 'objcxx', } + cmd = map.get(lang) + ninja_file.build(gch, cmd, input, variables=[(var_name, lang_flag)]) + + def WriteLink(self, spec, config_name, config, link_deps): + """Write out a link step. Fills out target.binary. """ + if self.flavor != 'mac' or len(self.archs) == 1: + return self.WriteLinkForArch( + self.ninja, spec, config_name, config, link_deps) + else: + output = self.ComputeOutput(spec) + inputs = [self.WriteLinkForArch(self.arch_subninjas[arch], spec, + config_name, config, link_deps[arch], + arch=arch) + for arch in self.archs] + extra_bindings = [] + if not self.is_mac_bundle: + self.AppendPostbuildVariable(extra_bindings, spec, output, output) + self.ninja.build(output, 'lipo', inputs, variables=extra_bindings) + return output + + def WriteLinkForArch(self, ninja_file, spec, config_name, config, + link_deps, arch=None): + """Write out a link step. Fills out target.binary. """ + command = { + 'executable': 'link', + 'loadable_module': 'solink_module', + 'shared_library': 'solink', + }[spec['type']] + command_suffix = '' + + implicit_deps = set() + solibs = set() + + if 'dependencies' in spec: + # Two kinds of dependencies: + # - Linkable dependencies (like a .a or a .so): add them to the link line. + # - Non-linkable dependencies (like a rule that generates a file + # and writes a stamp file): add them to implicit_deps + extra_link_deps = set() + for dep in spec['dependencies']: + target = self.target_outputs.get(dep) + if not target: + continue + linkable = target.Linkable() + if linkable: + new_deps = [] + if (self.flavor == 'win' and + target.component_objs and + self.msvs_settings.IsUseLibraryDependencyInputs(config_name)): + new_deps = target.component_objs + elif self.flavor == 'win' and target.import_lib: + new_deps = [target.import_lib] + elif target.UsesToc(self.flavor): + solibs.add(target.binary) + implicit_deps.add(target.binary + '.TOC') + else: + new_deps = [target.binary] + for new_dep in new_deps: + if new_dep not in extra_link_deps: + extra_link_deps.add(new_dep) + link_deps.append(new_dep) + + final_output = target.FinalOutput() + if not linkable or final_output != target.binary: + implicit_deps.add(final_output) + + extra_bindings = [] + if self.uses_cpp and self.flavor != 'win': + extra_bindings.append(('ld', '$ldxx')) + + output = self.ComputeOutput(spec, arch) + if arch is None and not self.is_mac_bundle: + self.AppendPostbuildVariable(extra_bindings, spec, output, output) + + is_executable = spec['type'] == 'executable' + # The ldflags config key is not used on mac or win. On those platforms + # linker flags are set via xcode_settings and msvs_settings, respectively. + env_ldflags = os.environ.get('LDFLAGS', '').split() + if self.flavor == 'mac': + ldflags = self.xcode_settings.GetLdflags(config_name, + self.ExpandSpecial(generator_default_variables['PRODUCT_DIR']), + self.GypPathToNinja, arch) + ldflags = env_ldflags + ldflags + elif self.flavor == 'win': + manifest_base_name = self.GypPathToUniqueOutput( + self.ComputeOutputFileName(spec)) + ldflags, intermediate_manifest, manifest_files = \ + self.msvs_settings.GetLdflags(config_name, self.GypPathToNinja, + self.ExpandSpecial, manifest_base_name, + output, is_executable, + self.toplevel_build) + ldflags = env_ldflags + ldflags + self.WriteVariableList(ninja_file, 'manifests', manifest_files) + implicit_deps = implicit_deps.union(manifest_files) + if intermediate_manifest: + self.WriteVariableList( + ninja_file, 'intermediatemanifest', [intermediate_manifest]) + command_suffix = _GetWinLinkRuleNameSuffix( + self.msvs_settings.IsEmbedManifest(config_name)) + def_file = self.msvs_settings.GetDefFile(self.GypPathToNinja) + if def_file: + implicit_deps.add(def_file) + else: + # Respect environment variables related to build, but target-specific + # flags can still override them. + ldflags = env_ldflags + config.get('ldflags', []) + if is_executable and len(solibs): + rpath = 'lib/' + if self.toolset != 'target': + rpath += self.toolset + ldflags.append('-Wl,-rpath=\$$ORIGIN/%s' % rpath) + ldflags.append('-Wl,-rpath-link=%s' % rpath) + self.WriteVariableList(ninja_file, 'ldflags', + gyp.common.uniquer(map(self.ExpandSpecial, ldflags))) + + library_dirs = config.get('library_dirs', []) + if self.flavor == 'win': + library_dirs = [self.msvs_settings.ConvertVSMacros(l, config_name) + for l in library_dirs] + library_dirs = ['/LIBPATH:' + QuoteShellArgument(self.GypPathToNinja(l), + self.flavor) + for l in library_dirs] + else: + library_dirs = [QuoteShellArgument('-L' + self.GypPathToNinja(l), + self.flavor) + for l in library_dirs] + + libraries = gyp.common.uniquer(map(self.ExpandSpecial, + spec.get('libraries', []))) + if self.flavor == 'mac': + libraries = self.xcode_settings.AdjustLibraries(libraries, config_name) + elif self.flavor == 'win': + libraries = self.msvs_settings.AdjustLibraries(libraries) + + self.WriteVariableList(ninja_file, 'libs', library_dirs + libraries) + + linked_binary = output + + if command in ('solink', 'solink_module'): + extra_bindings.append(('soname', os.path.split(output)[1])) + extra_bindings.append(('lib', + gyp.common.EncodePOSIXShellArgument(output))) + if self.flavor == 'win': + extra_bindings.append(('binary', output)) + if '/NOENTRY' not in ldflags: + self.target.import_lib = output + '.lib' + extra_bindings.append(('implibflag', + '/IMPLIB:%s' % self.target.import_lib)) + pdbname = self.msvs_settings.GetPDBName( + config_name, self.ExpandSpecial, output + '.pdb') + output = [output, self.target.import_lib] + if pdbname: + output.append(pdbname) + elif not self.is_mac_bundle: + output = [output, output + '.TOC'] + else: + command = command + '_notoc' + elif self.flavor == 'win': + extra_bindings.append(('binary', output)) + pdbname = self.msvs_settings.GetPDBName( + config_name, self.ExpandSpecial, output + '.pdb') + if pdbname: + output = [output, pdbname] + + + if len(solibs): + extra_bindings.append(('solibs', gyp.common.EncodePOSIXShellList(solibs))) + + ninja_file.build(output, command + command_suffix, link_deps, + implicit=list(implicit_deps), + variables=extra_bindings) + return linked_binary + + def WriteTarget(self, spec, config_name, config, link_deps, compile_deps): + extra_link_deps = any(self.target_outputs.get(dep).Linkable() + for dep in spec.get('dependencies', []) + if dep in self.target_outputs) + if spec['type'] == 'none' or (not link_deps and not extra_link_deps): + # TODO(evan): don't call this function for 'none' target types, as + # it doesn't do anything, and we fake out a 'binary' with a stamp file. + self.target.binary = compile_deps + self.target.type = 'none' + elif spec['type'] == 'static_library': + self.target.binary = self.ComputeOutput(spec) + if (self.flavor not in ('mac', 'openbsd', 'win') and not + self.is_standalone_static_library): + self.ninja.build(self.target.binary, 'alink_thin', link_deps, + order_only=compile_deps) + else: + variables = [] + if self.xcode_settings: + libtool_flags = self.xcode_settings.GetLibtoolflags(config_name) + if libtool_flags: + variables.append(('libtool_flags', libtool_flags)) + if self.msvs_settings: + libflags = self.msvs_settings.GetLibFlags(config_name, + self.GypPathToNinja) + variables.append(('libflags', libflags)) + + if self.flavor != 'mac' or len(self.archs) == 1: + self.AppendPostbuildVariable(variables, spec, + self.target.binary, self.target.binary) + self.ninja.build(self.target.binary, 'alink', link_deps, + order_only=compile_deps, variables=variables) + else: + inputs = [] + for arch in self.archs: + output = self.ComputeOutput(spec, arch) + self.arch_subninjas[arch].build(output, 'alink', link_deps[arch], + order_only=compile_deps, + variables=variables) + inputs.append(output) + # TODO: It's not clear if libtool_flags should be passed to the alink + # call that combines single-arch .a files into a fat .a file. + self.AppendPostbuildVariable(variables, spec, + self.target.binary, self.target.binary) + self.ninja.build(self.target.binary, 'alink', inputs, + # FIXME: test proving order_only=compile_deps isn't + # needed. + variables=variables) + else: + self.target.binary = self.WriteLink(spec, config_name, config, link_deps) + return self.target.binary + + def WriteMacBundle(self, spec, mac_bundle_depends, is_empty): + assert self.is_mac_bundle + package_framework = spec['type'] in ('shared_library', 'loadable_module') + output = self.ComputeMacBundleOutput() + if is_empty: + output += '.stamp' + variables = [] + self.AppendPostbuildVariable(variables, spec, output, self.target.binary, + is_command_start=not package_framework) + if package_framework and not is_empty: + variables.append(('version', self.xcode_settings.GetFrameworkVersion())) + self.ninja.build(output, 'package_framework', mac_bundle_depends, + variables=variables) + else: + self.ninja.build(output, 'stamp', mac_bundle_depends, + variables=variables) + self.target.bundle = output + return output + + def GetSortedXcodeEnv(self, additional_settings=None): + """Returns the variables Xcode would set for build steps.""" + assert self.abs_build_dir + abs_build_dir = self.abs_build_dir + return gyp.xcode_emulation.GetSortedXcodeEnv( + self.xcode_settings, abs_build_dir, + os.path.join(abs_build_dir, self.build_to_base), self.config_name, + additional_settings) + + def GetSortedXcodePostbuildEnv(self): + """Returns the variables Xcode would set for postbuild steps.""" + postbuild_settings = {} + # CHROMIUM_STRIP_SAVE_FILE is a chromium-specific hack. + # TODO(thakis): It would be nice to have some general mechanism instead. + strip_save_file = self.xcode_settings.GetPerTargetSetting( + 'CHROMIUM_STRIP_SAVE_FILE') + if strip_save_file: + postbuild_settings['CHROMIUM_STRIP_SAVE_FILE'] = strip_save_file + return self.GetSortedXcodeEnv(additional_settings=postbuild_settings) + + def AppendPostbuildVariable(self, variables, spec, output, binary, + is_command_start=False): + """Adds a 'postbuild' variable if there is a postbuild for |output|.""" + postbuild = self.GetPostbuildCommand(spec, output, binary, is_command_start) + if postbuild: + variables.append(('postbuilds', postbuild)) + + def GetPostbuildCommand(self, spec, output, output_binary, is_command_start): + """Returns a shell command that runs all the postbuilds, and removes + |output| if any of them fails. If |is_command_start| is False, then the + returned string will start with ' && '.""" + if not self.xcode_settings or spec['type'] == 'none' or not output: + return '' + output = QuoteShellArgument(output, self.flavor) + postbuilds = gyp.xcode_emulation.GetSpecPostbuildCommands(spec, quiet=True) + if output_binary is not None: + postbuilds = self.xcode_settings.AddImplicitPostbuilds( + self.config_name, + os.path.normpath(os.path.join(self.base_to_build, output)), + QuoteShellArgument( + os.path.normpath(os.path.join(self.base_to_build, output_binary)), + self.flavor), + postbuilds, quiet=True) + + if not postbuilds: + return '' + # Postbuilds expect to be run in the gyp file's directory, so insert an + # implicit postbuild to cd to there. + postbuilds.insert(0, gyp.common.EncodePOSIXShellList( + ['cd', self.build_to_base])) + env = self.ComputeExportEnvString(self.GetSortedXcodePostbuildEnv()) + # G will be non-null if any postbuild fails. Run all postbuilds in a + # subshell. + commands = env + ' (' + \ + ' && '.join([ninja_syntax.escape(command) for command in postbuilds]) + command_string = (commands + '); G=$$?; ' + # Remove the final output if any postbuild failed. + '((exit $$G) || rm -rf %s) ' % output + '&& exit $$G)') + if is_command_start: + return '(' + command_string + ' && ' + else: + return '$ && (' + command_string + + def ComputeExportEnvString(self, env): + """Given an environment, returns a string looking like + 'export FOO=foo; export BAR="${FOO} bar;' + that exports |env| to the shell.""" + export_str = [] + for k, v in env: + export_str.append('export %s=%s;' % + (k, ninja_syntax.escape(gyp.common.EncodePOSIXShellArgument(v)))) + return ' '.join(export_str) + + def ComputeMacBundleOutput(self): + """Return the 'output' (full output path) to a bundle output directory.""" + assert self.is_mac_bundle + path = generator_default_variables['PRODUCT_DIR'] + return self.ExpandSpecial( + os.path.join(path, self.xcode_settings.GetWrapperName())) + + def ComputeOutputFileName(self, spec, type=None): + """Compute the filename of the final output for the current target.""" + if not type: + type = spec['type'] + + default_variables = copy.copy(generator_default_variables) + CalculateVariables(default_variables, {'flavor': self.flavor}) + + # Compute filename prefix: the product prefix, or a default for + # the product type. + DEFAULT_PREFIX = { + 'loadable_module': default_variables['SHARED_LIB_PREFIX'], + 'shared_library': default_variables['SHARED_LIB_PREFIX'], + 'static_library': default_variables['STATIC_LIB_PREFIX'], + 'executable': default_variables['EXECUTABLE_PREFIX'], + } + prefix = spec.get('product_prefix', DEFAULT_PREFIX.get(type, '')) + + # Compute filename extension: the product extension, or a default + # for the product type. + DEFAULT_EXTENSION = { + 'loadable_module': default_variables['SHARED_LIB_SUFFIX'], + 'shared_library': default_variables['SHARED_LIB_SUFFIX'], + 'static_library': default_variables['STATIC_LIB_SUFFIX'], + 'executable': default_variables['EXECUTABLE_SUFFIX'], + } + extension = spec.get('product_extension') + if extension: + extension = '.' + extension + else: + extension = DEFAULT_EXTENSION.get(type, '') + + if 'product_name' in spec: + # If we were given an explicit name, use that. + target = spec['product_name'] + else: + # Otherwise, derive a name from the target name. + target = spec['target_name'] + if prefix == 'lib': + # Snip out an extra 'lib' from libs if appropriate. + target = StripPrefix(target, 'lib') + + if type in ('static_library', 'loadable_module', 'shared_library', + 'executable'): + return '%s%s%s' % (prefix, target, extension) + elif type == 'none': + return '%s.stamp' % target + else: + raise Exception('Unhandled output type %s' % type) + + def ComputeOutput(self, spec, arch=None): + """Compute the path for the final output of the spec.""" + type = spec['type'] + + if self.flavor == 'win': + override = self.msvs_settings.GetOutputName(self.config_name, + self.ExpandSpecial) + if override: + return override + + if arch is None and self.flavor == 'mac' and type in ( + 'static_library', 'executable', 'shared_library', 'loadable_module'): + filename = self.xcode_settings.GetExecutablePath() + else: + filename = self.ComputeOutputFileName(spec, type) + + if arch is None and 'product_dir' in spec: + path = os.path.join(spec['product_dir'], filename) + return self.ExpandSpecial(path) + + # Some products go into the output root, libraries go into shared library + # dir, and everything else goes into the normal place. + type_in_output_root = ['executable', 'loadable_module'] + if self.flavor == 'mac' and self.toolset == 'target': + type_in_output_root += ['shared_library', 'static_library'] + elif self.flavor == 'win' and self.toolset == 'target': + type_in_output_root += ['shared_library'] + + if arch is not None: + # Make sure partial executables don't end up in a bundle or the regular + # output directory. + archdir = 'arch' + if self.toolset != 'target': + archdir = os.path.join('arch', '%s' % self.toolset) + return os.path.join(archdir, AddArch(filename, arch)) + elif type in type_in_output_root or self.is_standalone_static_library: + return filename + elif type == 'shared_library': + libdir = 'lib' + if self.toolset != 'target': + libdir = os.path.join('lib', '%s' % self.toolset) + return os.path.join(libdir, filename) + else: + return self.GypPathToUniqueOutput(filename, qualified=False) + + def WriteVariableList(self, ninja_file, var, values): + assert not isinstance(values, str) + if values is None: + values = [] + ninja_file.variable(var, ' '.join(values)) + + def WriteNewNinjaRule(self, name, args, description, is_cygwin, env): + """Write out a new ninja "rule" statement for a given command. + + Returns the name of the new rule, and a copy of |args| with variables + expanded.""" + + if self.flavor == 'win': + args = [self.msvs_settings.ConvertVSMacros( + arg, self.base_to_build, config=self.config_name) + for arg in args] + description = self.msvs_settings.ConvertVSMacros( + description, config=self.config_name) + elif self.flavor == 'mac': + # |env| is an empty list on non-mac. + args = [gyp.xcode_emulation.ExpandEnvVars(arg, env) for arg in args] + description = gyp.xcode_emulation.ExpandEnvVars(description, env) + + # TODO: we shouldn't need to qualify names; we do it because + # currently the ninja rule namespace is global, but it really + # should be scoped to the subninja. + rule_name = self.name + if self.toolset == 'target': + rule_name += '.' + self.toolset + rule_name += '.' + name + rule_name = re.sub('[^a-zA-Z0-9_]', '_', rule_name) + + # Remove variable references, but not if they refer to the magic rule + # variables. This is not quite right, as it also protects these for + # actions, not just for rules where they are valid. Good enough. + protect = [ '${root}', '${dirname}', '${source}', '${ext}', '${name}' ] + protect = '(?!' + '|'.join(map(re.escape, protect)) + ')' + description = re.sub(protect + r'\$', '_', description) + + # gyp dictates that commands are run from the base directory. + # cd into the directory before running, and adjust paths in + # the arguments to point to the proper locations. + rspfile = None + rspfile_content = None + args = [self.ExpandSpecial(arg, self.base_to_build) for arg in args] + if self.flavor == 'win': + rspfile = rule_name + '.$unique_name.rsp' + # The cygwin case handles this inside the bash sub-shell. + run_in = '' if is_cygwin else ' ' + self.build_to_base + if is_cygwin: + rspfile_content = self.msvs_settings.BuildCygwinBashCommandLine( + args, self.build_to_base) + else: + rspfile_content = gyp.msvs_emulation.EncodeRspFileList(args) + command = ('%s gyp-win-tool action-wrapper $arch ' % sys.executable + + rspfile + run_in) + else: + env = self.ComputeExportEnvString(env) + command = gyp.common.EncodePOSIXShellList(args) + command = 'cd %s; ' % self.build_to_base + env + command + + # GYP rules/actions express being no-ops by not touching their outputs. + # Avoid executing downstream dependencies in this case by specifying + # restat=1 to ninja. + self.ninja.rule(rule_name, command, description, restat=True, + rspfile=rspfile, rspfile_content=rspfile_content) + self.ninja.newline() + + return rule_name, args + + +def CalculateVariables(default_variables, params): + """Calculate additional variables for use in the build (called by gyp).""" + global generator_additional_non_configuration_keys + global generator_additional_path_sections + flavor = gyp.common.GetFlavor(params) + if flavor == 'mac': + default_variables.setdefault('OS', 'mac') + default_variables.setdefault('SHARED_LIB_SUFFIX', '.dylib') + default_variables.setdefault('SHARED_LIB_DIR', + generator_default_variables['PRODUCT_DIR']) + default_variables.setdefault('LIB_DIR', + generator_default_variables['PRODUCT_DIR']) + + # Copy additional generator configuration data from Xcode, which is shared + # by the Mac Ninja generator. + import gyp.generator.xcode as xcode_generator + generator_additional_non_configuration_keys = getattr(xcode_generator, + 'generator_additional_non_configuration_keys', []) + generator_additional_path_sections = getattr(xcode_generator, + 'generator_additional_path_sections', []) + global generator_extra_sources_for_rules + generator_extra_sources_for_rules = getattr(xcode_generator, + 'generator_extra_sources_for_rules', []) + elif flavor == 'win': + default_variables.setdefault('OS', 'win') + default_variables['EXECUTABLE_SUFFIX'] = '.exe' + default_variables['STATIC_LIB_PREFIX'] = '' + default_variables['STATIC_LIB_SUFFIX'] = '.lib' + default_variables['SHARED_LIB_PREFIX'] = '' + default_variables['SHARED_LIB_SUFFIX'] = '.dll' + + # Copy additional generator configuration data from VS, which is shared + # by the Windows Ninja generator. + import gyp.generator.msvs as msvs_generator + generator_additional_non_configuration_keys = getattr(msvs_generator, + 'generator_additional_non_configuration_keys', []) + generator_additional_path_sections = getattr(msvs_generator, + 'generator_additional_path_sections', []) + + gyp.msvs_emulation.CalculateCommonVariables(default_variables, params) + else: + 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" + return os.path.normpath(os.path.join(generator_dir, output_dir)) + + +def CalculateGeneratorInputInfo(params): + """Called by __init__ to initialize generator values based on params.""" + # E.g. "out/gypfiles" + toplevel = params['options'].toplevel_dir + qualified_out_dir = os.path.normpath(os.path.join( + toplevel, ComputeOutputDir(params), 'gypfiles')) + + global generator_filelist_paths + generator_filelist_paths = { + 'toplevel': toplevel, + 'qualified_out_dir': qualified_out_dir, + } + + +def OpenOutput(path, mode='w'): + """Open |path| for writing, creating directories if necessary.""" + gyp.common.EnsureDirExists(path) + return open(path, mode) + + +def CommandWithWrapper(cmd, wrappers, prog): + wrapper = wrappers.get(cmd, '') + if wrapper: + return wrapper + ' ' + prog + return prog + + +def GetDefaultConcurrentLinks(): + """Returns a best-guess for a number of concurrent links.""" + if sys.platform in ('win32', 'cygwin'): + import ctypes + + class MEMORYSTATUSEX(ctypes.Structure): + _fields_ = [ + ("dwLength", ctypes.c_ulong), + ("dwMemoryLoad", ctypes.c_ulong), + ("ullTotalPhys", ctypes.c_ulonglong), + ("ullAvailPhys", ctypes.c_ulonglong), + ("ullTotalPageFile", ctypes.c_ulonglong), + ("ullAvailPageFile", ctypes.c_ulonglong), + ("ullTotalVirtual", ctypes.c_ulonglong), + ("ullAvailVirtual", ctypes.c_ulonglong), + ("sullAvailExtendedVirtual", ctypes.c_ulonglong), + ] + + stat = MEMORYSTATUSEX() + stat.dwLength = ctypes.sizeof(stat) + ctypes.windll.kernel32.GlobalMemoryStatusEx(ctypes.byref(stat)) + + mem_limit = max(1, stat.ullTotalPhys / (4 * (2 ** 30))) # total / 4GB + hard_cap = max(1, int(os.getenv('GYP_LINK_CONCURRENCY_MAX', 2**32))) + return min(mem_limit, hard_cap) + elif sys.platform.startswith('linux'): + with open("/proc/meminfo") as meminfo: + memtotal_re = re.compile(r'^MemTotal:\s*(\d*)\s*kB') + for line in meminfo: + match = memtotal_re.match(line) + if not match: + continue + # Allow 8Gb per link on Linux because Gold is quite memory hungry + return max(1, int(match.group(1)) / (8 * (2 ** 20))) + return 1 + elif sys.platform == 'darwin': + try: + avail_bytes = int(subprocess.check_output(['sysctl', '-n', 'hw.memsize'])) + # A static library debug build of Chromium's unit_tests takes ~2.7GB, so + # 4GB per ld process allows for some more bloat. + return max(1, avail_bytes / (4 * (2 ** 30))) # total / 4GB + except: + return 1 + else: + # TODO(scottmg): Implement this for other platforms. + return 1 + + +def _GetWinLinkRuleNameSuffix(embed_manifest): + """Returns the suffix used to select an appropriate linking rule depending on + whether the manifest embedding is enabled.""" + return '_embed' if embed_manifest else '' + + +def _AddWinLinkRules(master_ninja, embed_manifest): + """Adds link rules for Windows platform to |master_ninja|.""" + def FullLinkCommand(ldcmd, out, binary_type): + resource_name = { + 'exe': '1', + 'dll': '2', + }[binary_type] + return '%(python)s gyp-win-tool link-with-manifests $arch %(embed)s ' \ + '%(out)s "%(ldcmd)s" %(resname)s $mt $rc "$intermediatemanifest" ' \ + '$manifests' % { + 'python': sys.executable, + 'out': out, + 'ldcmd': ldcmd, + 'resname': resource_name, + 'embed': embed_manifest } + rule_name_suffix = _GetWinLinkRuleNameSuffix(embed_manifest) + use_separate_mspdbsrv = ( + int(os.environ.get('GYP_USE_SEPARATE_MSPDBSRV', '0')) != 0) + dlldesc = 'LINK%s(DLL) $binary' % rule_name_suffix.upper() + dllcmd = ('%s gyp-win-tool link-wrapper $arch %s ' + '$ld /nologo $implibflag /DLL /OUT:$binary ' + '@$binary.rsp' % (sys.executable, use_separate_mspdbsrv)) + dllcmd = FullLinkCommand(dllcmd, '$binary', 'dll') + master_ninja.rule('solink' + rule_name_suffix, + description=dlldesc, command=dllcmd, + rspfile='$binary.rsp', + rspfile_content='$libs $in_newline $ldflags', + restat=True, + pool='link_pool') + master_ninja.rule('solink_module' + rule_name_suffix, + description=dlldesc, command=dllcmd, + rspfile='$binary.rsp', + rspfile_content='$libs $in_newline $ldflags', + restat=True, + pool='link_pool') + # Note that ldflags goes at the end so that it has the option of + # overriding default settings earlier in the command line. + exe_cmd = ('%s gyp-win-tool link-wrapper $arch %s ' + '$ld /nologo /OUT:$binary @$binary.rsp' % + (sys.executable, use_separate_mspdbsrv)) + exe_cmd = FullLinkCommand(exe_cmd, '$binary', 'exe') + master_ninja.rule('link' + rule_name_suffix, + description='LINK%s $binary' % rule_name_suffix.upper(), + command=exe_cmd, + rspfile='$binary.rsp', + 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', {}) + + # build_dir: relative path from source root to our output files. + # e.g. "out/Debug" + build_dir = os.path.normpath( + os.path.join(ComputeOutputDir(params), config_name)) + + toplevel_build = os.path.join(options.toplevel_dir, build_dir) + + master_ninja_file = OpenOutput(os.path.join(toplevel_build, 'build.ninja')) + master_ninja = ninja_syntax.Writer(master_ninja_file, width=120) + + # Put build-time support tools in out/{config_name}. + gyp.common.CopyTool(flavor, toplevel_build) + + # Grab make settings for CC/CXX. + # The rules are + # - The priority from low to high is gcc/g++, the 'make_global_settings' in + # gyp, the environment variable. + # - If there is no 'make_global_settings' for CC.host/CXX.host or + # 'CC_host'/'CXX_host' enviroment variable, cc_host/cxx_host should be set + # to cc/cxx. + if flavor == 'win': + # Overridden by local arch choice in the use_deps case. + # Chromium's ffmpeg c99conv.py currently looks for a 'cc =' line in + # build.ninja so needs something valid here. http://crbug.com/233985 + cc = 'cl.exe' + cxx = 'cl.exe' + ld = 'link.exe' + ld_host = '$ld' + else: + cc = 'cc' + cxx = 'c++' + ld = '$cc' + ldxx = '$cxx' + ld_host = '$cc_host' + ldxx_host = '$cxx_host' + + cc_host = None + cxx_host = None + cc_host_global_setting = None + cxx_host_global_setting = None + clang_cl = None + + build_file, _, _ = gyp.common.ParseQualifiedTarget(target_list[0]) + make_global_settings = data[build_file].get('make_global_settings', []) + build_to_root = gyp.common.InvertRelativePath(build_dir, + options.toplevel_dir) + wrappers = {} + for key, value in make_global_settings: + if key == 'CC': + cc = os.path.join(build_to_root, value) + if cc.endswith('clang-cl'): + clang_cl = cc + if key == 'CXX': + cxx = os.path.join(build_to_root, value) + if key == 'CC.host': + cc_host = os.path.join(build_to_root, value) + cc_host_global_setting = value + if key == 'CXX.host': + cxx_host = os.path.join(build_to_root, value) + cxx_host_global_setting = value + if key.endswith('_wrapper'): + wrappers[key[:-len('_wrapper')]] = os.path.join(build_to_root, value) + + # Support wrappers from environment variables too. + for key, value in os.environ.iteritems(): + if key.lower().endswith('_wrapper'): + key_prefix = key[:-len('_wrapper')] + key_prefix = re.sub(r'\.HOST$', '.host', key_prefix) + wrappers[key_prefix] = os.path.join(build_to_root, value) + + if flavor == 'win': + cl_paths = gyp.msvs_emulation.GenerateEnvironmentFiles( + toplevel_build, generator_flags, OpenOutput) + for arch, path in cl_paths.iteritems(): + if clang_cl: + # If we have selected clang-cl, use that instead. + path = clang_cl + command = CommandWithWrapper('CC', wrappers, + QuoteShellArgument(path, 'win')) + if clang_cl: + # Use clang-cl to cross-compile for x86 or x86_64. + command += (' -m32' if arch == 'x86' else ' -m64') + master_ninja.variable('cl_' + arch, command) + + cc = GetEnvironFallback(['CC_target', 'CC'], cc) + master_ninja.variable('cc', CommandWithWrapper('CC', wrappers, cc)) + cxx = GetEnvironFallback(['CXX_target', 'CXX'], cxx) + master_ninja.variable('cxx', CommandWithWrapper('CXX', wrappers, cxx)) + + if flavor == 'win': + master_ninja.variable('ld', ld) + master_ninja.variable('idl', 'midl.exe') + master_ninja.variable('ar', 'lib.exe') + master_ninja.variable('rc', 'rc.exe') + master_ninja.variable('asm', 'ml.exe') + master_ninja.variable('mt', 'mt.exe') + else: + master_ninja.variable('ld', CommandWithWrapper('LINK', wrappers, ld)) + master_ninja.variable('ldxx', CommandWithWrapper('LINK', wrappers, ldxx)) + master_ninja.variable('ar', GetEnvironFallback(['AR_target', 'AR'], 'ar')) + + if generator_supports_multiple_toolsets: + if not cc_host: + cc_host = cc + if not cxx_host: + cxx_host = cxx + + master_ninja.variable('ar_host', GetEnvironFallback(['AR_host'], 'ar')) + cc_host = GetEnvironFallback(['CC_host'], cc_host) + cxx_host = GetEnvironFallback(['CXX_host'], cxx_host) + + # The environment variable could be used in 'make_global_settings', like + # ['CC.host', '$(CC)'] or ['CXX.host', '$(CXX)'], transform them here. + if '$(CC)' in cc_host and cc_host_global_setting: + cc_host = cc_host_global_setting.replace('$(CC)', cc) + if '$(CXX)' in cxx_host and cxx_host_global_setting: + cxx_host = cxx_host_global_setting.replace('$(CXX)', cxx) + master_ninja.variable('cc_host', + CommandWithWrapper('CC.host', wrappers, cc_host)) + master_ninja.variable('cxx_host', + CommandWithWrapper('CXX.host', wrappers, cxx_host)) + if flavor == 'win': + master_ninja.variable('ld_host', ld_host) + else: + master_ninja.variable('ld_host', CommandWithWrapper( + 'LINK', wrappers, ld_host)) + master_ninja.variable('ldxx_host', CommandWithWrapper( + 'LINK', wrappers, ldxx_host)) + + master_ninja.newline() + + master_ninja.pool('link_pool', depth=GetDefaultConcurrentLinks()) + master_ninja.newline() + + deps = 'msvc' if flavor == 'win' else 'gcc' + + if flavor != 'win': + master_ninja.rule( + 'cc', + description='CC $out', + command=('$cc -MMD -MF $out.d $defines $includes $cflags $cflags_c ' + '$cflags_pch_c -c $in -o $out'), + depfile='$out.d', + deps=deps) + master_ninja.rule( + 'cc_s', + description='CC $out', + command=('$cc $defines $includes $cflags $cflags_c ' + '$cflags_pch_c -c $in -o $out')) + master_ninja.rule( + 'cxx', + description='CXX $out', + command=('$cxx -MMD -MF $out.d $defines $includes $cflags $cflags_cc ' + '$cflags_pch_cc -c $in -o $out'), + depfile='$out.d', + deps=deps) + else: + # TODO(scottmg) Separate pdb names is a test to see if it works around + # http://crbug.com/142362. It seems there's a race between the creation of + # the .pdb by the precompiled header step for .cc and the compilation of + # .c files. This should be handled by mspdbsrv, but rarely errors out with + # c1xx : fatal error C1033: cannot open program database + # By making the rules target separate pdb files this might be avoided. + cc_command = ('ninja -t msvc -e $arch ' + + '-- ' + '$cc /nologo /showIncludes /FC ' + '@$out.rsp /c $in /Fo$out /Fd$pdbname_c ') + cxx_command = ('ninja -t msvc -e $arch ' + + '-- ' + '$cxx /nologo /showIncludes /FC ' + '@$out.rsp /c $in /Fo$out /Fd$pdbname_cc ') + master_ninja.rule( + 'cc', + description='CC $out', + command=cc_command, + rspfile='$out.rsp', + rspfile_content='$defines $includes $cflags $cflags_c', + deps=deps) + master_ninja.rule( + 'cxx', + description='CXX $out', + command=cxx_command, + rspfile='$out.rsp', + rspfile_content='$defines $includes $cflags $cflags_cc', + deps=deps) + master_ninja.rule( + 'idl', + description='IDL $in', + command=('%s gyp-win-tool midl-wrapper $arch $outdir ' + '$tlb $h $dlldata $iid $proxy $in ' + '$idlflags' % sys.executable)) + master_ninja.rule( + 'rc', + description='RC $in', + # Note: $in must be last otherwise rc.exe complains. + command=('%s gyp-win-tool rc-wrapper ' + '$arch $rc $defines $resource_includes $rcflags /fo$out $in' % + sys.executable)) + master_ninja.rule( + 'asm', + description='ASM $in', + command=('%s gyp-win-tool asm-wrapper ' + '$arch $asm $defines $includes /c /Fo $out $in' % + sys.executable)) + + if flavor != 'mac' and flavor != 'win': + master_ninja.rule( + 'alink', + description='AR $out', + command='rm -f $out && $ar rcs $out $in') + master_ninja.rule( + 'alink_thin', + description='AR $out', + command='rm -f $out && $ar rcsT $out $in') + + # This allows targets that only need to depend on $lib's API to declare an + # order-only dependency on $lib.TOC and avoid relinking such downstream + # dependencies when $lib changes only in non-public ways. + # The resulting string leaves an uninterpolated %{suffix} which + # is used in the final substitution below. + mtime_preserving_solink_base = ( + 'if [ ! -e $lib -o ! -e ${lib}.TOC ]; then ' + '%(solink)s && %(extract_toc)s > ${lib}.TOC; else ' + '%(solink)s && %(extract_toc)s > ${lib}.tmp && ' + 'if ! cmp -s ${lib}.tmp ${lib}.TOC; then mv ${lib}.tmp ${lib}.TOC ; ' + 'fi; fi' + % { 'solink': + '$ld -shared $ldflags -o $lib -Wl,-soname=$soname %(suffix)s', + 'extract_toc': + ('{ readelf -d ${lib} | grep SONAME ; ' + 'nm -gD -f p ${lib} | cut -f1-2 -d\' \'; }')}) + + master_ninja.rule( + 'solink', + description='SOLINK $lib', + restat=True, + command=(mtime_preserving_solink_base % { + 'suffix': '-Wl,--whole-archive $in $solibs -Wl,--no-whole-archive ' + '$libs'}), + pool='link_pool') + master_ninja.rule( + 'solink_module', + description='SOLINK(module) $lib', + restat=True, + command=(mtime_preserving_solink_base % { + 'suffix': '-Wl,--start-group $in $solibs -Wl,--end-group ' + '$libs'}), + pool='link_pool') + master_ninja.rule( + 'link', + description='LINK $out', + command=('$ld $ldflags -o $out ' + '-Wl,--start-group $in $solibs -Wl,--end-group $libs'), + pool='link_pool') + elif flavor == 'win': + master_ninja.rule( + 'alink', + description='LIB $out', + command=('%s gyp-win-tool link-wrapper $arch False ' + '$ar /nologo /ignore:4221 /OUT:$out @$out.rsp' % + sys.executable), + rspfile='$out.rsp', + rspfile_content='$in_newline $libflags') + _AddWinLinkRules(master_ninja, embed_manifest=True) + _AddWinLinkRules(master_ninja, embed_manifest=False) + else: + master_ninja.rule( + 'objc', + description='OBJC $out', + command=('$cc -MMD -MF $out.d $defines $includes $cflags $cflags_objc ' + '$cflags_pch_objc -c $in -o $out'), + depfile='$out.d', + deps=deps) + master_ninja.rule( + 'objcxx', + description='OBJCXX $out', + command=('$cxx -MMD -MF $out.d $defines $includes $cflags $cflags_objcc ' + '$cflags_pch_objcc -c $in -o $out'), + depfile='$out.d', + deps=deps) + master_ninja.rule( + 'alink', + description='LIBTOOL-STATIC $out, POSTBUILDS', + command='rm -f $out && ' + './gyp-mac-tool filter-libtool libtool $libtool_flags ' + '-static -o $out $in' + '$postbuilds') + master_ninja.rule( + 'lipo', + description='LIPO $out, POSTBUILDS', + command='rm -f $out && lipo -create $in -output $out$postbuilds') + + # Record the public interface of $lib in $lib.TOC. See the corresponding + # comment in the posix section above for details. + solink_base = '$ld %(type)s $ldflags -o $lib %(suffix)s' + mtime_preserving_solink_base = ( + 'if [ ! -e $lib -o ! -e ${lib}.TOC ] || ' + # Always force dependent targets to relink if this library + # reexports something. Handling this correctly would require + # recursive TOC dumping but this is rare in practice, so punt. + 'otool -l $lib | grep -q LC_REEXPORT_DYLIB ; then ' + '%(solink)s && %(extract_toc)s > ${lib}.TOC; ' + 'else ' + '%(solink)s && %(extract_toc)s > ${lib}.tmp && ' + 'if ! cmp -s ${lib}.tmp ${lib}.TOC; then ' + 'mv ${lib}.tmp ${lib}.TOC ; ' + 'fi; ' + 'fi' + % { 'solink': solink_base, + 'extract_toc': + '{ otool -l $lib | grep LC_ID_DYLIB -A 5; ' + 'nm -gP $lib | cut -f1-2 -d\' \' | grep -v U$$; true; }'}) + + solink_suffix = '$in $solibs $libs$postbuilds' + master_ninja.rule( + 'solink', + description='SOLINK $lib, POSTBUILDS', + restat=True, + command=mtime_preserving_solink_base % {'suffix': solink_suffix, + 'type': '-shared'}, + pool='link_pool') + master_ninja.rule( + 'solink_notoc', + description='SOLINK $lib, POSTBUILDS', + restat=True, + command=solink_base % {'suffix':solink_suffix, 'type': '-shared'}, + pool='link_pool') + + solink_module_suffix = '$in $solibs $libs$postbuilds' + master_ninja.rule( + 'solink_module', + description='SOLINK(module) $lib, POSTBUILDS', + restat=True, + command=mtime_preserving_solink_base % {'suffix': solink_module_suffix, + 'type': '-bundle'}, + pool='link_pool') + master_ninja.rule( + 'solink_module_notoc', + description='SOLINK(module) $lib, POSTBUILDS', + restat=True, + command=solink_base % {'suffix': solink_module_suffix, 'type': '-bundle'}, + pool='link_pool') + + master_ninja.rule( + 'link', + description='LINK $out, POSTBUILDS', + command=('$ld $ldflags -o $out ' + '$in $solibs $libs$postbuilds'), + pool='link_pool') + master_ninja.rule( + 'preprocess_infoplist', + description='PREPROCESS INFOPLIST $out', + command=('$cc -E -P -Wno-trigraphs -x c $defines $in -o $out && ' + 'plutil -convert xml1 $out $out')) + master_ninja.rule( + 'copy_infoplist', + description='COPY INFOPLIST $in', + command='$env ./gyp-mac-tool copy-info-plist $in $out $keys') + master_ninja.rule( + 'mac_tool', + description='MACTOOL $mactool_cmd $in', + command='$env ./gyp-mac-tool $mactool_cmd $in $out') + master_ninja.rule( + 'package_framework', + description='PACKAGE FRAMEWORK $out, POSTBUILDS', + command='./gyp-mac-tool package-framework $out $version$postbuilds ' + '&& touch $out') + if flavor == 'win': + master_ninja.rule( + 'stamp', + description='STAMP $out', + command='%s gyp-win-tool stamp $out' % sys.executable) + master_ninja.rule( + 'copy', + description='COPY $in $out', + command='%s gyp-win-tool recursive-mirror $in $out' % sys.executable) + else: + master_ninja.rule( + 'stamp', + description='STAMP $out', + command='${postbuilds}touch $out') + master_ninja.rule( + 'copy', + description='COPY $in $out', + command='ln -f $in $out 2>/dev/null || (rm -rf $out && cp -af $in $out)') + master_ninja.newline() + + all_targets = set() + for build_file in params['build_files']: + for target in gyp.common.AllTargets(target_list, + target_dicts, + os.path.normpath(build_file)): + all_targets.add(target) + all_outputs = set() + + # target_outputs is a map from qualified target name to a Target object. + target_outputs = {} + # target_short_names is a map from target short name to a list of Target + # objects. + target_short_names = {} + + for qualified_target in target_list: + # qualified_target is like: third_party/icu/icu.gyp:icui18n#target + build_file, name, toolset = \ + gyp.common.ParseQualifiedTarget(qualified_target) + + this_make_global_settings = data[build_file].get('make_global_settings', []) + assert make_global_settings == this_make_global_settings, ( + "make_global_settings needs to be the same for all targets. %s vs. %s" % + (this_make_global_settings, make_global_settings)) + + spec = target_dicts[qualified_target] + if flavor == 'mac': + gyp.xcode_emulation.MergeGlobalXcodeSettingsToSpec(data[build_file], spec) + + build_file = gyp.common.RelativePath(build_file, options.toplevel_dir) + + base_path = os.path.dirname(build_file) + obj = 'obj' + if toolset != 'target': + obj += '.' + toolset + output_file = os.path.join(obj, base_path, name + '.ninja') + + ninja_output = StringIO() + writer = NinjaWriter(qualified_target, target_outputs, base_path, build_dir, + ninja_output, + toplevel_build, output_file, + flavor, toplevel_dir=options.toplevel_dir) + + target = writer.WriteSpec(spec, config_name, generator_flags) + + if ninja_output.tell() > 0: + # Only create files for ninja files that actually have contents. + with OpenOutput(os.path.join(toplevel_build, output_file)) as ninja_file: + ninja_file.write(ninja_output.getvalue()) + ninja_output.close() + master_ninja.subninja(output_file) + + if target: + if name != target.FinalOutput() and spec['toolset'] == 'target': + target_short_names.setdefault(name, []).append(target) + target_outputs[qualified_target] = target + if qualified_target in all_targets: + all_outputs.add(target.FinalOutput()) + + if target_short_names: + # Write a short name to build this target. This benefits both the + # "build chrome" case as well as the gyp tests, which expect to be + # able to run actions and build libraries by their short name. + master_ninja.newline() + master_ninja.comment('Short names for targets.') + for short_name in target_short_names: + master_ninja.build(short_name, 'phony', [x.FinalOutput() for x in + target_short_names[short_name]]) + + if all_outputs: + master_ninja.newline() + master_ninja.build('all', 'phony', list(all_outputs)) + master_ninja.default(generator_flags.get('default_target', 'all')) + + master_ninja_file.close() + + +def PerformBuild(data, configurations, params): + options = params['options'] + for config in configurations: + builddir = os.path.join(options.toplevel_dir, 'out', config) + arguments = ['ninja', '-C', builddir] + print 'Building [%s]: %s' % (config, arguments) + subprocess.check_call(arguments) + + +def CallGenerateOutputForConfig(arglist): + # Ignore the interrupt signal so that the parent process catches it and + # kills all multiprocessing children. + signal.signal(signal.SIGINT, signal.SIG_IGN) + + (target_list, target_dicts, data, params, config_name) = arglist + GenerateOutputForConfig(target_list, target_dicts, data, params, config_name) + + +def GenerateOutput(target_list, target_dicts, data, params): + # Update target_dicts for iOS device builds. + target_dicts = gyp.xcode_emulation.CloneConfigurationForDeviceAndEmulator( + target_dicts) + + user_config = params.get('generator_flags', {}).get('config', None) + if gyp.common.GetFlavor(params) == 'win': + target_list, target_dicts = MSVSUtil.ShardTargets(target_list, target_dicts) + target_list, target_dicts = MSVSUtil.InsertLargePdbShims( + target_list, target_dicts, generator_default_variables) + + if user_config: + GenerateOutputForConfig(target_list, target_dicts, data, params, + user_config) + else: + config_names = target_dicts[target_list[0]]['configurations'].keys() + if params['parallel']: + try: + pool = multiprocessing.Pool(len(config_names)) + arglists = [] + for config_name in config_names: + 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) |