1095 lines
44 KiB
Python
1095 lines
44 KiB
Python
# Copyright (c) 2012 Google Inc. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# Notes:
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#
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# This generates makefiles suitable for inclusion into the Android build system
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# via an Android.mk file. It is based on make.py, the standard makefile
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# generator.
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#
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# The code below generates a separate .mk file for each target, but
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# all are sourced by the top-level GypAndroid.mk. This means that all
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# variables in .mk-files clobber one another, and furthermore that any
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# variables set potentially clash with other Android build system variables.
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# Try to avoid setting global variables where possible.
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import gyp
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import gyp.common
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import gyp.generator.make as make # Reuse global functions from make backend.
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import os
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import re
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import subprocess
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generator_default_variables = {
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'OS': 'android',
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'EXECUTABLE_PREFIX': '',
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'EXECUTABLE_SUFFIX': '',
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'STATIC_LIB_PREFIX': 'lib',
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'SHARED_LIB_PREFIX': 'lib',
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'STATIC_LIB_SUFFIX': '.a',
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'SHARED_LIB_SUFFIX': '.so',
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'INTERMEDIATE_DIR': '$(gyp_intermediate_dir)',
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'SHARED_INTERMEDIATE_DIR': '$(gyp_shared_intermediate_dir)',
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'PRODUCT_DIR': '$(gyp_shared_intermediate_dir)',
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'SHARED_LIB_DIR': '$(builddir)/lib.$(TOOLSET)',
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'LIB_DIR': '$(obj).$(TOOLSET)',
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'RULE_INPUT_ROOT': '%(INPUT_ROOT)s', # This gets expanded by Python.
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'RULE_INPUT_DIRNAME': '%(INPUT_DIRNAME)s', # This gets expanded by Python.
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'RULE_INPUT_PATH': '$(RULE_SOURCES)',
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'RULE_INPUT_EXT': '$(suffix $<)',
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'RULE_INPUT_NAME': '$(notdir $<)',
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'CONFIGURATION_NAME': '$(GYP_CONFIGURATION)',
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}
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# Make supports multiple toolsets
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generator_supports_multiple_toolsets = True
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# Generator-specific gyp specs.
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generator_additional_non_configuration_keys = [
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# Boolean to declare that this target does not want its name mangled.
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'android_unmangled_name',
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# Map of android build system variables to set.
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'aosp_build_settings',
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]
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generator_additional_path_sections = []
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generator_extra_sources_for_rules = []
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ALL_MODULES_FOOTER = """\
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# "gyp_all_modules" is a concatenation of the "gyp_all_modules" targets from
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# all the included sub-makefiles. This is just here to clarify.
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gyp_all_modules:
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"""
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header = """\
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# This file is generated by gyp; do not edit.
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"""
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# Map gyp target types to Android module classes.
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MODULE_CLASSES = {
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'static_library': 'STATIC_LIBRARIES',
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'shared_library': 'SHARED_LIBRARIES',
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'executable': 'EXECUTABLES',
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}
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def IsCPPExtension(ext):
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return make.COMPILABLE_EXTENSIONS.get(ext) == 'cxx'
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def Sourceify(path):
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"""Convert a path to its source directory form. The Android backend does not
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support options.generator_output, so this function is a noop."""
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return path
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# Map from qualified target to path to output.
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# For Android, the target of these maps is a tuple ('static', 'modulename'),
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# ('dynamic', 'modulename'), or ('path', 'some/path') instead of a string,
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# since we link by module.
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target_outputs = {}
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# Map from qualified target to any linkable output. A subset
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# of target_outputs. E.g. when mybinary depends on liba, we want to
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# include liba in the linker line; when otherbinary depends on
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# mybinary, we just want to build mybinary first.
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target_link_deps = {}
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class AndroidMkWriter(object):
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"""AndroidMkWriter packages up the writing of one target-specific Android.mk.
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Its only real entry point is Write(), and is mostly used for namespacing.
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"""
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def __init__(self, android_top_dir):
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self.android_top_dir = android_top_dir
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def Write(self, qualified_target, relative_target, base_path, output_filename,
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spec, configs, part_of_all, write_alias_target, sdk_version):
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"""The main entry point: writes a .mk file for a single target.
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Arguments:
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qualified_target: target we're generating
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relative_target: qualified target name relative to the root
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base_path: path relative to source root we're building in, used to resolve
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target-relative paths
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output_filename: output .mk file name to write
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spec, configs: gyp info
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part_of_all: flag indicating this target is part of 'all'
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write_alias_target: flag indicating whether to create short aliases for
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this target
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sdk_version: what to emit for LOCAL_SDK_VERSION in output
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"""
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gyp.common.EnsureDirExists(output_filename)
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self.fp = open(output_filename, 'w')
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self.fp.write(header)
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self.qualified_target = qualified_target
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self.relative_target = relative_target
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self.path = base_path
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self.target = spec['target_name']
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self.type = spec['type']
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self.toolset = spec['toolset']
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deps, link_deps = self.ComputeDeps(spec)
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# Some of the generation below can add extra output, sources, or
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# link dependencies. All of the out params of the functions that
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# follow use names like extra_foo.
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extra_outputs = []
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extra_sources = []
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self.android_class = MODULE_CLASSES.get(self.type, 'GYP')
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self.android_module = self.ComputeAndroidModule(spec)
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(self.android_stem, self.android_suffix) = self.ComputeOutputParts(spec)
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self.output = self.output_binary = self.ComputeOutput(spec)
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# Standard header.
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self.WriteLn('include $(CLEAR_VARS)\n')
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# Module class and name.
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self.WriteLn('LOCAL_MODULE_CLASS := ' + self.android_class)
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self.WriteLn('LOCAL_MODULE := ' + self.android_module)
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# Only emit LOCAL_MODULE_STEM if it's different to LOCAL_MODULE.
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# The library module classes fail if the stem is set. ComputeOutputParts
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# makes sure that stem == modulename in these cases.
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if self.android_stem != self.android_module:
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self.WriteLn('LOCAL_MODULE_STEM := ' + self.android_stem)
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self.WriteLn('LOCAL_MODULE_SUFFIX := ' + self.android_suffix)
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if self.toolset == 'host':
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self.WriteLn('LOCAL_IS_HOST_MODULE := true')
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self.WriteLn('LOCAL_MULTILIB := $(GYP_HOST_MULTILIB)')
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elif sdk_version > 0:
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self.WriteLn('LOCAL_MODULE_TARGET_ARCH := '
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'$(TARGET_$(GYP_VAR_PREFIX)ARCH)')
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self.WriteLn('LOCAL_SDK_VERSION := %s' % sdk_version)
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# Grab output directories; needed for Actions and Rules.
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if self.toolset == 'host':
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self.WriteLn('gyp_intermediate_dir := '
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'$(call local-intermediates-dir,,$(GYP_HOST_VAR_PREFIX))')
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else:
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self.WriteLn('gyp_intermediate_dir := '
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'$(call local-intermediates-dir,,$(GYP_VAR_PREFIX))')
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self.WriteLn('gyp_shared_intermediate_dir := '
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'$(call intermediates-dir-for,GYP,shared,,,$(GYP_VAR_PREFIX))')
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self.WriteLn()
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# List files this target depends on so that actions/rules/copies/sources
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# can depend on the list.
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# TODO: doesn't pull in things through transitive link deps; needed?
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target_dependencies = [x[1] for x in deps if x[0] == 'path']
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self.WriteLn('# Make sure our deps are built first.')
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self.WriteList(target_dependencies, 'GYP_TARGET_DEPENDENCIES',
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local_pathify=True)
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# Actions must come first, since they can generate more OBJs for use below.
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if 'actions' in spec:
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self.WriteActions(spec['actions'], extra_sources, extra_outputs)
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# Rules must be early like actions.
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if 'rules' in spec:
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self.WriteRules(spec['rules'], extra_sources, extra_outputs)
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if 'copies' in spec:
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self.WriteCopies(spec['copies'], extra_outputs)
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# GYP generated outputs.
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self.WriteList(extra_outputs, 'GYP_GENERATED_OUTPUTS', local_pathify=True)
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# Set LOCAL_ADDITIONAL_DEPENDENCIES so that Android's build rules depend
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# on both our dependency targets and our generated files.
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self.WriteLn('# Make sure our deps and generated files are built first.')
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self.WriteLn('LOCAL_ADDITIONAL_DEPENDENCIES := $(GYP_TARGET_DEPENDENCIES) '
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'$(GYP_GENERATED_OUTPUTS)')
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self.WriteLn()
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# Sources.
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if spec.get('sources', []) or extra_sources:
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self.WriteSources(spec, configs, extra_sources)
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self.WriteTarget(spec, configs, deps, link_deps, part_of_all,
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write_alias_target)
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# Update global list of target outputs, used in dependency tracking.
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target_outputs[qualified_target] = ('path', self.output_binary)
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# Update global list of link dependencies.
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if self.type == 'static_library':
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target_link_deps[qualified_target] = ('static', self.android_module)
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elif self.type == 'shared_library':
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target_link_deps[qualified_target] = ('shared', self.android_module)
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self.fp.close()
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return self.android_module
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def WriteActions(self, actions, extra_sources, extra_outputs):
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"""Write Makefile code for any 'actions' from the gyp input.
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extra_sources: a list that will be filled in with newly generated source
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files, if any
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extra_outputs: a list that will be filled in with any outputs of these
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actions (used to make other pieces dependent on these
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actions)
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"""
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for action in actions:
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name = make.StringToMakefileVariable('%s_%s' % (self.relative_target,
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action['action_name']))
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self.WriteLn('### Rules for action "%s":' % action['action_name'])
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inputs = action['inputs']
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outputs = action['outputs']
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# Build up a list of outputs.
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# Collect the output dirs we'll need.
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dirs = set()
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for out in outputs:
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if not out.startswith('$'):
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print ('WARNING: Action for target "%s" writes output to local path '
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'"%s".' % (self.target, out))
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dir = os.path.split(out)[0]
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if dir:
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dirs.add(dir)
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if int(action.get('process_outputs_as_sources', False)):
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extra_sources += outputs
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# Prepare the actual command.
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command = gyp.common.EncodePOSIXShellList(action['action'])
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if 'message' in action:
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quiet_cmd = 'Gyp action: %s ($@)' % action['message']
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else:
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quiet_cmd = 'Gyp action: %s ($@)' % name
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if len(dirs) > 0:
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command = 'mkdir -p %s' % ' '.join(dirs) + '; ' + command
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cd_action = 'cd $(gyp_local_path)/%s; ' % self.path
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command = cd_action + command
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# The makefile rules are all relative to the top dir, but the gyp actions
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# are defined relative to their containing dir. This replaces the gyp_*
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# variables for the action rule with an absolute version so that the
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# output goes in the right place.
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# Only write the gyp_* rules for the "primary" output (:1);
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# it's superfluous for the "extra outputs", and this avoids accidentally
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# writing duplicate dummy rules for those outputs.
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main_output = make.QuoteSpaces(self.LocalPathify(outputs[0]))
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self.WriteLn('%s: gyp_local_path := $(LOCAL_PATH)' % main_output)
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self.WriteLn('%s: gyp_var_prefix := $(GYP_VAR_PREFIX)' % main_output)
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self.WriteLn('%s: gyp_intermediate_dir := '
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'$(abspath $(gyp_intermediate_dir))' % main_output)
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self.WriteLn('%s: gyp_shared_intermediate_dir := '
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'$(abspath $(gyp_shared_intermediate_dir))' % main_output)
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# Android's envsetup.sh adds a number of directories to the path including
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# the built host binary directory. This causes actions/rules invoked by
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# gyp to sometimes use these instead of system versions, e.g. bison.
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# The built host binaries may not be suitable, and can cause errors.
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# So, we remove them from the PATH using the ANDROID_BUILD_PATHS variable
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# set by envsetup.
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self.WriteLn('%s: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))'
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% main_output)
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# Don't allow spaces in input/output filenames, but make an exception for
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# filenames which start with '$(' since it's okay for there to be spaces
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# inside of make function/macro invocations.
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for input in inputs:
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if not input.startswith('$(') and ' ' in input:
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raise gyp.common.GypError(
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'Action input filename "%s" in target %s contains a space' %
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(input, self.target))
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for output in outputs:
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if not output.startswith('$(') and ' ' in output:
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raise gyp.common.GypError(
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'Action output filename "%s" in target %s contains a space' %
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(output, self.target))
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self.WriteLn('%s: %s $(GYP_TARGET_DEPENDENCIES)' %
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(main_output, ' '.join(map(self.LocalPathify, inputs))))
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self.WriteLn('\t@echo "%s"' % quiet_cmd)
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self.WriteLn('\t$(hide)%s\n' % command)
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for output in outputs[1:]:
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# Make each output depend on the main output, with an empty command
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# to force make to notice that the mtime has changed.
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self.WriteLn('%s: %s ;' % (self.LocalPathify(output), main_output))
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extra_outputs += outputs
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self.WriteLn()
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self.WriteLn()
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def WriteRules(self, rules, extra_sources, extra_outputs):
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"""Write Makefile code for any 'rules' from the gyp input.
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extra_sources: a list that will be filled in with newly generated source
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files, if any
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extra_outputs: a list that will be filled in with any outputs of these
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rules (used to make other pieces dependent on these rules)
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"""
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if len(rules) == 0:
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return
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for rule in rules:
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if len(rule.get('rule_sources', [])) == 0:
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continue
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name = make.StringToMakefileVariable('%s_%s' % (self.relative_target,
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rule['rule_name']))
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self.WriteLn('\n### Generated for rule "%s":' % name)
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self.WriteLn('# "%s":' % rule)
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inputs = rule.get('inputs')
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for rule_source in rule.get('rule_sources', []):
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(rule_source_dirname, rule_source_basename) = os.path.split(rule_source)
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(rule_source_root, rule_source_ext) = \
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os.path.splitext(rule_source_basename)
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outputs = [self.ExpandInputRoot(out, rule_source_root,
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rule_source_dirname)
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for out in rule['outputs']]
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dirs = set()
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for out in outputs:
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if not out.startswith('$'):
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print ('WARNING: Rule for target %s writes output to local path %s'
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% (self.target, out))
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dir = os.path.dirname(out)
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if dir:
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dirs.add(dir)
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extra_outputs += outputs
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if int(rule.get('process_outputs_as_sources', False)):
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extra_sources.extend(outputs)
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components = []
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for component in rule['action']:
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component = self.ExpandInputRoot(component, rule_source_root,
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rule_source_dirname)
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if '$(RULE_SOURCES)' in component:
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component = component.replace('$(RULE_SOURCES)',
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rule_source)
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components.append(component)
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command = gyp.common.EncodePOSIXShellList(components)
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cd_action = 'cd $(gyp_local_path)/%s; ' % self.path
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command = cd_action + command
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if dirs:
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command = 'mkdir -p %s' % ' '.join(dirs) + '; ' + command
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# We set up a rule to build the first output, and then set up
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# a rule for each additional output to depend on the first.
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outputs = map(self.LocalPathify, outputs)
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main_output = outputs[0]
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self.WriteLn('%s: gyp_local_path := $(LOCAL_PATH)' % main_output)
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self.WriteLn('%s: gyp_var_prefix := $(GYP_VAR_PREFIX)' % main_output)
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self.WriteLn('%s: gyp_intermediate_dir := '
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'$(abspath $(gyp_intermediate_dir))' % main_output)
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self.WriteLn('%s: gyp_shared_intermediate_dir := '
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'$(abspath $(gyp_shared_intermediate_dir))' % main_output)
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# See explanation in WriteActions.
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self.WriteLn('%s: export PATH := '
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'$(subst $(ANDROID_BUILD_PATHS),,$(PATH))' % main_output)
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main_output_deps = self.LocalPathify(rule_source)
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if inputs:
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main_output_deps += ' '
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main_output_deps += ' '.join([self.LocalPathify(f) for f in inputs])
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self.WriteLn('%s: %s $(GYP_TARGET_DEPENDENCIES)' %
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(main_output, main_output_deps))
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self.WriteLn('\t%s\n' % command)
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for output in outputs[1:]:
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# Make each output depend on the main output, with an empty command
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# to force make to notice that the mtime has changed.
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self.WriteLn('%s: %s ;' % (output, main_output))
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self.WriteLn()
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self.WriteLn()
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def WriteCopies(self, copies, extra_outputs):
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"""Write Makefile code for any 'copies' from the gyp input.
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extra_outputs: a list that will be filled in with any outputs of this action
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(used to make other pieces dependent on this action)
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"""
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self.WriteLn('### Generated for copy rule.')
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variable = make.StringToMakefileVariable(self.relative_target + '_copies')
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outputs = []
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for copy in copies:
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for path in copy['files']:
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# The Android build system does not allow generation of files into the
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# source tree. The destination should start with a variable, which will
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# typically be $(gyp_intermediate_dir) or
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# $(gyp_shared_intermediate_dir). Note that we can't use an assertion
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# because some of the gyp tests depend on this.
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if not copy['destination'].startswith('$'):
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print ('WARNING: Copy rule for target %s writes output to '
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'local path %s' % (self.target, copy['destination']))
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# LocalPathify() calls normpath, stripping trailing slashes.
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path = Sourceify(self.LocalPathify(path))
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filename = os.path.split(path)[1]
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output = Sourceify(self.LocalPathify(os.path.join(copy['destination'],
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filename)))
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self.WriteLn('%s: %s $(GYP_TARGET_DEPENDENCIES) | $(ACP)' %
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(output, path))
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self.WriteLn('\t@echo Copying: $@')
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self.WriteLn('\t$(hide) mkdir -p $(dir $@)')
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self.WriteLn('\t$(hide) $(ACP) -rpf $< $@')
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self.WriteLn()
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outputs.append(output)
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self.WriteLn('%s = %s' % (variable,
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' '.join(map(make.QuoteSpaces, outputs))))
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extra_outputs.append('$(%s)' % variable)
|
|
self.WriteLn()
|
|
|
|
|
|
def WriteSourceFlags(self, spec, configs):
|
|
"""Write out the flags and include paths used to compile source files for
|
|
the current target.
|
|
|
|
Args:
|
|
spec, configs: input from gyp.
|
|
"""
|
|
for configname, config in sorted(configs.iteritems()):
|
|
extracted_includes = []
|
|
|
|
self.WriteLn('\n# Flags passed to both C and C++ files.')
|
|
cflags, includes_from_cflags = self.ExtractIncludesFromCFlags(
|
|
config.get('cflags', []) + config.get('cflags_c', []))
|
|
extracted_includes.extend(includes_from_cflags)
|
|
self.WriteList(cflags, 'MY_CFLAGS_%s' % configname)
|
|
|
|
self.WriteList(config.get('defines'), 'MY_DEFS_%s' % configname,
|
|
prefix='-D', quoter=make.EscapeCppDefine)
|
|
|
|
self.WriteLn('\n# Include paths placed before CFLAGS/CPPFLAGS')
|
|
includes = list(config.get('include_dirs', []))
|
|
includes.extend(extracted_includes)
|
|
includes = map(Sourceify, map(self.LocalPathify, includes))
|
|
includes = self.NormalizeIncludePaths(includes)
|
|
self.WriteList(includes, 'LOCAL_C_INCLUDES_%s' % configname)
|
|
|
|
self.WriteLn('\n# Flags passed to only C++ (and not C) files.')
|
|
self.WriteList(config.get('cflags_cc'), 'LOCAL_CPPFLAGS_%s' % configname)
|
|
|
|
self.WriteLn('\nLOCAL_CFLAGS := $(MY_CFLAGS_$(GYP_CONFIGURATION)) '
|
|
'$(MY_DEFS_$(GYP_CONFIGURATION))')
|
|
# Undefine ANDROID for host modules
|
|
# TODO: the source code should not use macro ANDROID to tell if it's host
|
|
# or target module.
|
|
if self.toolset == 'host':
|
|
self.WriteLn('# Undefine ANDROID for host modules')
|
|
self.WriteLn('LOCAL_CFLAGS += -UANDROID')
|
|
self.WriteLn('LOCAL_C_INCLUDES := $(GYP_COPIED_SOURCE_ORIGIN_DIRS) '
|
|
'$(LOCAL_C_INCLUDES_$(GYP_CONFIGURATION))')
|
|
self.WriteLn('LOCAL_CPPFLAGS := $(LOCAL_CPPFLAGS_$(GYP_CONFIGURATION))')
|
|
# Android uses separate flags for assembly file invocations, but gyp expects
|
|
# the same CFLAGS to be applied:
|
|
self.WriteLn('LOCAL_ASFLAGS := $(LOCAL_CFLAGS)')
|
|
|
|
|
|
def WriteSources(self, spec, configs, extra_sources):
|
|
"""Write Makefile code for any 'sources' from the gyp input.
|
|
These are source files necessary to build the current target.
|
|
We need to handle shared_intermediate directory source files as
|
|
a special case by copying them to the intermediate directory and
|
|
treating them as a genereated sources. Otherwise the Android build
|
|
rules won't pick them up.
|
|
|
|
Args:
|
|
spec, configs: input from gyp.
|
|
extra_sources: Sources generated from Actions or Rules.
|
|
"""
|
|
sources = filter(make.Compilable, spec.get('sources', []))
|
|
generated_not_sources = [x for x in extra_sources if not make.Compilable(x)]
|
|
extra_sources = filter(make.Compilable, extra_sources)
|
|
|
|
# Determine and output the C++ extension used by these sources.
|
|
# We simply find the first C++ file and use that extension.
|
|
all_sources = sources + extra_sources
|
|
local_cpp_extension = '.cpp'
|
|
for source in all_sources:
|
|
(root, ext) = os.path.splitext(source)
|
|
if IsCPPExtension(ext):
|
|
local_cpp_extension = ext
|
|
break
|
|
if local_cpp_extension != '.cpp':
|
|
self.WriteLn('LOCAL_CPP_EXTENSION := %s' % local_cpp_extension)
|
|
|
|
# We need to move any non-generated sources that are coming from the
|
|
# shared intermediate directory out of LOCAL_SRC_FILES and put them
|
|
# into LOCAL_GENERATED_SOURCES. We also need to move over any C++ files
|
|
# that don't match our local_cpp_extension, since Android will only
|
|
# generate Makefile rules for a single LOCAL_CPP_EXTENSION.
|
|
local_files = []
|
|
for source in sources:
|
|
(root, ext) = os.path.splitext(source)
|
|
if '$(gyp_shared_intermediate_dir)' in source:
|
|
extra_sources.append(source)
|
|
elif '$(gyp_intermediate_dir)' in source:
|
|
extra_sources.append(source)
|
|
elif IsCPPExtension(ext) and ext != local_cpp_extension:
|
|
extra_sources.append(source)
|
|
else:
|
|
local_files.append(os.path.normpath(os.path.join(self.path, source)))
|
|
|
|
# For any generated source, if it is coming from the shared intermediate
|
|
# directory then we add a Make rule to copy them to the local intermediate
|
|
# directory first. This is because the Android LOCAL_GENERATED_SOURCES
|
|
# must be in the local module intermediate directory for the compile rules
|
|
# to work properly. If the file has the wrong C++ extension, then we add
|
|
# a rule to copy that to intermediates and use the new version.
|
|
final_generated_sources = []
|
|
# If a source file gets copied, we still need to add the orginal source
|
|
# directory as header search path, for GCC searches headers in the
|
|
# directory that contains the source file by default.
|
|
origin_src_dirs = []
|
|
for source in extra_sources:
|
|
local_file = source
|
|
if not '$(gyp_intermediate_dir)/' in local_file:
|
|
basename = os.path.basename(local_file)
|
|
local_file = '$(gyp_intermediate_dir)/' + basename
|
|
(root, ext) = os.path.splitext(local_file)
|
|
if IsCPPExtension(ext) and ext != local_cpp_extension:
|
|
local_file = root + local_cpp_extension
|
|
if local_file != source:
|
|
self.WriteLn('%s: %s' % (local_file, self.LocalPathify(source)))
|
|
self.WriteLn('\tmkdir -p $(@D); cp $< $@')
|
|
origin_src_dirs.append(os.path.dirname(source))
|
|
final_generated_sources.append(local_file)
|
|
|
|
# We add back in all of the non-compilable stuff to make sure that the
|
|
# make rules have dependencies on them.
|
|
final_generated_sources.extend(generated_not_sources)
|
|
self.WriteList(final_generated_sources, 'LOCAL_GENERATED_SOURCES')
|
|
|
|
origin_src_dirs = gyp.common.uniquer(origin_src_dirs)
|
|
origin_src_dirs = map(Sourceify, map(self.LocalPathify, origin_src_dirs))
|
|
self.WriteList(origin_src_dirs, 'GYP_COPIED_SOURCE_ORIGIN_DIRS')
|
|
|
|
self.WriteList(local_files, 'LOCAL_SRC_FILES')
|
|
|
|
# Write out the flags used to compile the source; this must be done last
|
|
# so that GYP_COPIED_SOURCE_ORIGIN_DIRS can be used as an include path.
|
|
self.WriteSourceFlags(spec, configs)
|
|
|
|
|
|
def ComputeAndroidModule(self, spec):
|
|
"""Return the Android module name used for a gyp spec.
|
|
|
|
We use the complete qualified target name to avoid collisions between
|
|
duplicate targets in different directories. We also add a suffix to
|
|
distinguish gyp-generated module names.
|
|
"""
|
|
|
|
if int(spec.get('android_unmangled_name', 0)):
|
|
assert self.type != 'shared_library' or self.target.startswith('lib')
|
|
return self.target
|
|
|
|
if self.type == 'shared_library':
|
|
# For reasons of convention, the Android build system requires that all
|
|
# shared library modules are named 'libfoo' when generating -l flags.
|
|
prefix = 'lib_'
|
|
else:
|
|
prefix = ''
|
|
|
|
if spec['toolset'] == 'host':
|
|
suffix = '_$(TARGET_$(GYP_VAR_PREFIX)ARCH)_host_gyp'
|
|
else:
|
|
suffix = '_gyp'
|
|
|
|
if self.path:
|
|
middle = make.StringToMakefileVariable('%s_%s' % (self.path, self.target))
|
|
else:
|
|
middle = make.StringToMakefileVariable(self.target)
|
|
|
|
return ''.join([prefix, middle, suffix])
|
|
|
|
|
|
def ComputeOutputParts(self, spec):
|
|
"""Return the 'output basename' of a gyp spec, split into filename + ext.
|
|
|
|
Android libraries must be named the same thing as their module name,
|
|
otherwise the linker can't find them, so product_name and so on must be
|
|
ignored if we are building a library, and the "lib" prepending is
|
|
not done for Android.
|
|
"""
|
|
assert self.type != 'loadable_module' # TODO: not supported?
|
|
|
|
target = spec['target_name']
|
|
target_prefix = ''
|
|
target_ext = ''
|
|
if self.type == 'static_library':
|
|
target = self.ComputeAndroidModule(spec)
|
|
target_ext = '.a'
|
|
elif self.type == 'shared_library':
|
|
target = self.ComputeAndroidModule(spec)
|
|
target_ext = '.so'
|
|
elif self.type == 'none':
|
|
target_ext = '.stamp'
|
|
elif self.type != 'executable':
|
|
print ("ERROR: What output file should be generated?",
|
|
"type", self.type, "target", target)
|
|
|
|
if self.type != 'static_library' and self.type != 'shared_library':
|
|
target_prefix = spec.get('product_prefix', target_prefix)
|
|
target = spec.get('product_name', target)
|
|
product_ext = spec.get('product_extension')
|
|
if product_ext:
|
|
target_ext = '.' + product_ext
|
|
|
|
target_stem = target_prefix + target
|
|
return (target_stem, target_ext)
|
|
|
|
|
|
def ComputeOutputBasename(self, spec):
|
|
"""Return the 'output basename' of a gyp spec.
|
|
|
|
E.g., the loadable module 'foobar' in directory 'baz' will produce
|
|
'libfoobar.so'
|
|
"""
|
|
return ''.join(self.ComputeOutputParts(spec))
|
|
|
|
|
|
def ComputeOutput(self, spec):
|
|
"""Return the 'output' (full output path) of a gyp spec.
|
|
|
|
E.g., the loadable module 'foobar' in directory 'baz' will produce
|
|
'$(obj)/baz/libfoobar.so'
|
|
"""
|
|
if self.type == 'executable':
|
|
# We install host executables into shared_intermediate_dir so they can be
|
|
# run by gyp rules that refer to PRODUCT_DIR.
|
|
path = '$(gyp_shared_intermediate_dir)'
|
|
elif self.type == 'shared_library':
|
|
if self.toolset == 'host':
|
|
path = '$($(GYP_HOST_VAR_PREFIX)HOST_OUT_INTERMEDIATE_LIBRARIES)'
|
|
else:
|
|
path = '$($(GYP_VAR_PREFIX)TARGET_OUT_INTERMEDIATE_LIBRARIES)'
|
|
else:
|
|
# Other targets just get built into their intermediate dir.
|
|
if self.toolset == 'host':
|
|
path = ('$(call intermediates-dir-for,%s,%s,true,,'
|
|
'$(GYP_HOST_VAR_PREFIX))' % (self.android_class,
|
|
self.android_module))
|
|
else:
|
|
path = ('$(call intermediates-dir-for,%s,%s,,,$(GYP_VAR_PREFIX))'
|
|
% (self.android_class, self.android_module))
|
|
|
|
assert spec.get('product_dir') is None # TODO: not supported?
|
|
return os.path.join(path, self.ComputeOutputBasename(spec))
|
|
|
|
def NormalizeIncludePaths(self, include_paths):
|
|
""" Normalize include_paths.
|
|
Convert absolute paths to relative to the Android top directory.
|
|
|
|
Args:
|
|
include_paths: A list of unprocessed include paths.
|
|
Returns:
|
|
A list of normalized include paths.
|
|
"""
|
|
normalized = []
|
|
for path in include_paths:
|
|
if path[0] == '/':
|
|
path = gyp.common.RelativePath(path, self.android_top_dir)
|
|
normalized.append(path)
|
|
return normalized
|
|
|
|
def ExtractIncludesFromCFlags(self, cflags):
|
|
"""Extract includes "-I..." out from cflags
|
|
|
|
Args:
|
|
cflags: A list of compiler flags, which may be mixed with "-I.."
|
|
Returns:
|
|
A tuple of lists: (clean_clfags, include_paths). "-I.." is trimmed.
|
|
"""
|
|
clean_cflags = []
|
|
include_paths = []
|
|
for flag in cflags:
|
|
if flag.startswith('-I'):
|
|
include_paths.append(flag[2:])
|
|
else:
|
|
clean_cflags.append(flag)
|
|
|
|
return (clean_cflags, include_paths)
|
|
|
|
def FilterLibraries(self, libraries):
|
|
"""Filter the 'libraries' key to separate things that shouldn't be ldflags.
|
|
|
|
Library entries that look like filenames should be converted to android
|
|
module names instead of being passed to the linker as flags.
|
|
|
|
Args:
|
|
libraries: the value of spec.get('libraries')
|
|
Returns:
|
|
A tuple (static_lib_modules, dynamic_lib_modules, ldflags)
|
|
"""
|
|
static_lib_modules = []
|
|
dynamic_lib_modules = []
|
|
ldflags = []
|
|
for libs in libraries:
|
|
# Libs can have multiple words.
|
|
for lib in libs.split():
|
|
# Filter the system libraries, which are added by default by the Android
|
|
# build system.
|
|
if (lib == '-lc' or lib == '-lstdc++' or lib == '-lm' or
|
|
lib.endswith('libgcc.a')):
|
|
continue
|
|
match = re.search(r'([^/]+)\.a$', lib)
|
|
if match:
|
|
static_lib_modules.append(match.group(1))
|
|
continue
|
|
match = re.search(r'([^/]+)\.so$', lib)
|
|
if match:
|
|
dynamic_lib_modules.append(match.group(1))
|
|
continue
|
|
if lib.startswith('-l'):
|
|
ldflags.append(lib)
|
|
return (static_lib_modules, dynamic_lib_modules, ldflags)
|
|
|
|
|
|
def ComputeDeps(self, spec):
|
|
"""Compute the dependencies of a gyp spec.
|
|
|
|
Returns a tuple (deps, link_deps), where each is a list of
|
|
filenames that will need to be put in front of make for either
|
|
building (deps) or linking (link_deps).
|
|
"""
|
|
deps = []
|
|
link_deps = []
|
|
if 'dependencies' in spec:
|
|
deps.extend([target_outputs[dep] for dep in spec['dependencies']
|
|
if target_outputs[dep]])
|
|
for dep in spec['dependencies']:
|
|
if dep in target_link_deps:
|
|
link_deps.append(target_link_deps[dep])
|
|
deps.extend(link_deps)
|
|
return (gyp.common.uniquer(deps), gyp.common.uniquer(link_deps))
|
|
|
|
|
|
def WriteTargetFlags(self, spec, configs, link_deps):
|
|
"""Write Makefile code to specify the link flags and library dependencies.
|
|
|
|
spec, configs: input from gyp.
|
|
link_deps: link dependency list; see ComputeDeps()
|
|
"""
|
|
# Libraries (i.e. -lfoo)
|
|
# These must be included even for static libraries as some of them provide
|
|
# implicit include paths through the build system.
|
|
libraries = gyp.common.uniquer(spec.get('libraries', []))
|
|
static_libs, dynamic_libs, ldflags_libs = self.FilterLibraries(libraries)
|
|
|
|
if self.type != 'static_library':
|
|
for configname, config in sorted(configs.iteritems()):
|
|
ldflags = list(config.get('ldflags', []))
|
|
self.WriteLn('')
|
|
self.WriteList(ldflags, 'LOCAL_LDFLAGS_%s' % configname)
|
|
self.WriteList(ldflags_libs, 'LOCAL_GYP_LIBS')
|
|
self.WriteLn('LOCAL_LDFLAGS := $(LOCAL_LDFLAGS_$(GYP_CONFIGURATION)) '
|
|
'$(LOCAL_GYP_LIBS)')
|
|
|
|
# Link dependencies (i.e. other gyp targets this target depends on)
|
|
# These need not be included for static libraries as within the gyp build
|
|
# we do not use the implicit include path mechanism.
|
|
if self.type != 'static_library':
|
|
static_link_deps = [x[1] for x in link_deps if x[0] == 'static']
|
|
shared_link_deps = [x[1] for x in link_deps if x[0] == 'shared']
|
|
else:
|
|
static_link_deps = []
|
|
shared_link_deps = []
|
|
|
|
# Only write the lists if they are non-empty.
|
|
if static_libs or static_link_deps:
|
|
self.WriteLn('')
|
|
self.WriteList(static_libs + static_link_deps,
|
|
'LOCAL_STATIC_LIBRARIES')
|
|
self.WriteLn('# Enable grouping to fix circular references')
|
|
self.WriteLn('LOCAL_GROUP_STATIC_LIBRARIES := true')
|
|
if dynamic_libs or shared_link_deps:
|
|
self.WriteLn('')
|
|
self.WriteList(dynamic_libs + shared_link_deps,
|
|
'LOCAL_SHARED_LIBRARIES')
|
|
|
|
|
|
def WriteTarget(self, spec, configs, deps, link_deps, part_of_all,
|
|
write_alias_target):
|
|
"""Write Makefile code to produce the final target of the gyp spec.
|
|
|
|
spec, configs: input from gyp.
|
|
deps, link_deps: dependency lists; see ComputeDeps()
|
|
part_of_all: flag indicating this target is part of 'all'
|
|
write_alias_target: flag indicating whether to create short aliases for this
|
|
target
|
|
"""
|
|
self.WriteLn('### Rules for final target.')
|
|
|
|
if self.type != 'none':
|
|
self.WriteTargetFlags(spec, configs, link_deps)
|
|
|
|
settings = spec.get('aosp_build_settings', {})
|
|
if settings:
|
|
self.WriteLn('### Set directly by aosp_build_settings.')
|
|
for k, v in settings.iteritems():
|
|
if isinstance(v, list):
|
|
self.WriteList(v, k)
|
|
else:
|
|
self.WriteLn('%s := %s' % (k, make.QuoteIfNecessary(v)))
|
|
self.WriteLn('')
|
|
|
|
# Add to the set of targets which represent the gyp 'all' target. We use the
|
|
# name 'gyp_all_modules' as the Android build system doesn't allow the use
|
|
# of the Make target 'all' and because 'all_modules' is the equivalent of
|
|
# the Make target 'all' on Android.
|
|
if part_of_all and write_alias_target:
|
|
self.WriteLn('# Add target alias to "gyp_all_modules" target.')
|
|
self.WriteLn('.PHONY: gyp_all_modules')
|
|
self.WriteLn('gyp_all_modules: %s' % self.android_module)
|
|
self.WriteLn('')
|
|
|
|
# Add an alias from the gyp target name to the Android module name. This
|
|
# simplifies manual builds of the target, and is required by the test
|
|
# framework.
|
|
if self.target != self.android_module and write_alias_target:
|
|
self.WriteLn('# Alias gyp target name.')
|
|
self.WriteLn('.PHONY: %s' % self.target)
|
|
self.WriteLn('%s: %s' % (self.target, self.android_module))
|
|
self.WriteLn('')
|
|
|
|
# Add the command to trigger build of the target type depending
|
|
# on the toolset. Ex: BUILD_STATIC_LIBRARY vs. BUILD_HOST_STATIC_LIBRARY
|
|
# NOTE: This has to come last!
|
|
modifier = ''
|
|
if self.toolset == 'host':
|
|
modifier = 'HOST_'
|
|
if self.type == 'static_library':
|
|
self.WriteLn('include $(BUILD_%sSTATIC_LIBRARY)' % modifier)
|
|
elif self.type == 'shared_library':
|
|
self.WriteLn('LOCAL_PRELINK_MODULE := false')
|
|
self.WriteLn('include $(BUILD_%sSHARED_LIBRARY)' % modifier)
|
|
elif self.type == 'executable':
|
|
self.WriteLn('LOCAL_CXX_STL := libc++_static')
|
|
# Executables are for build and test purposes only, so they're installed
|
|
# to a directory that doesn't get included in the system image.
|
|
self.WriteLn('LOCAL_MODULE_PATH := $(gyp_shared_intermediate_dir)')
|
|
self.WriteLn('include $(BUILD_%sEXECUTABLE)' % modifier)
|
|
else:
|
|
self.WriteLn('LOCAL_MODULE_PATH := $(PRODUCT_OUT)/gyp_stamp')
|
|
self.WriteLn('LOCAL_UNINSTALLABLE_MODULE := true')
|
|
if self.toolset == 'target':
|
|
self.WriteLn('LOCAL_2ND_ARCH_VAR_PREFIX := $(GYP_VAR_PREFIX)')
|
|
else:
|
|
self.WriteLn('LOCAL_2ND_ARCH_VAR_PREFIX := $(GYP_HOST_VAR_PREFIX)')
|
|
self.WriteLn()
|
|
self.WriteLn('include $(BUILD_SYSTEM)/base_rules.mk')
|
|
self.WriteLn()
|
|
self.WriteLn('$(LOCAL_BUILT_MODULE): $(LOCAL_ADDITIONAL_DEPENDENCIES)')
|
|
self.WriteLn('\t$(hide) echo "Gyp timestamp: $@"')
|
|
self.WriteLn('\t$(hide) mkdir -p $(dir $@)')
|
|
self.WriteLn('\t$(hide) touch $@')
|
|
self.WriteLn()
|
|
self.WriteLn('LOCAL_2ND_ARCH_VAR_PREFIX :=')
|
|
|
|
|
|
def WriteList(self, value_list, variable=None, prefix='',
|
|
quoter=make.QuoteIfNecessary, local_pathify=False):
|
|
"""Write a variable definition that is a list of values.
|
|
|
|
E.g. WriteList(['a','b'], 'foo', prefix='blah') writes out
|
|
foo = blaha blahb
|
|
but in a pretty-printed style.
|
|
"""
|
|
values = ''
|
|
if value_list:
|
|
value_list = [quoter(prefix + l) for l in value_list]
|
|
if local_pathify:
|
|
value_list = [self.LocalPathify(l) for l in value_list]
|
|
values = ' \\\n\t' + ' \\\n\t'.join(value_list)
|
|
self.fp.write('%s :=%s\n\n' % (variable, values))
|
|
|
|
|
|
def WriteLn(self, text=''):
|
|
self.fp.write(text + '\n')
|
|
|
|
|
|
def LocalPathify(self, path):
|
|
"""Convert a subdirectory-relative path into a normalized path which starts
|
|
with the make variable $(LOCAL_PATH) (i.e. the top of the project tree).
|
|
Absolute paths, or paths that contain variables, are just normalized."""
|
|
if '$(' in path or os.path.isabs(path):
|
|
# path is not a file in the project tree in this case, but calling
|
|
# normpath is still important for trimming trailing slashes.
|
|
return os.path.normpath(path)
|
|
local_path = os.path.join('$(LOCAL_PATH)', self.path, path)
|
|
local_path = os.path.normpath(local_path)
|
|
# Check that normalizing the path didn't ../ itself out of $(LOCAL_PATH)
|
|
# - i.e. that the resulting path is still inside the project tree. The
|
|
# path may legitimately have ended up containing just $(LOCAL_PATH), though,
|
|
# so we don't look for a slash.
|
|
assert local_path.startswith('$(LOCAL_PATH)'), (
|
|
'Path %s attempts to escape from gyp path %s !)' % (path, self.path))
|
|
return local_path
|
|
|
|
|
|
def ExpandInputRoot(self, template, expansion, dirname):
|
|
if '%(INPUT_ROOT)s' not in template and '%(INPUT_DIRNAME)s' not in template:
|
|
return template
|
|
path = template % {
|
|
'INPUT_ROOT': expansion,
|
|
'INPUT_DIRNAME': dirname,
|
|
}
|
|
return os.path.normpath(path)
|
|
|
|
|
|
def PerformBuild(data, configurations, params):
|
|
# The android backend only supports the default configuration.
|
|
options = params['options']
|
|
makefile = os.path.abspath(os.path.join(options.toplevel_dir,
|
|
'GypAndroid.mk'))
|
|
env = dict(os.environ)
|
|
env['ONE_SHOT_MAKEFILE'] = makefile
|
|
arguments = ['make', '-C', os.environ['ANDROID_BUILD_TOP'], 'gyp_all_modules']
|
|
print 'Building: %s' % arguments
|
|
subprocess.check_call(arguments, env=env)
|
|
|
|
|
|
def GenerateOutput(target_list, target_dicts, data, params):
|
|
options = params['options']
|
|
generator_flags = params.get('generator_flags', {})
|
|
builddir_name = generator_flags.get('output_dir', 'out')
|
|
limit_to_target_all = generator_flags.get('limit_to_target_all', False)
|
|
write_alias_targets = generator_flags.get('write_alias_targets', True)
|
|
sdk_version = generator_flags.get('aosp_sdk_version', 0)
|
|
android_top_dir = os.environ.get('ANDROID_BUILD_TOP')
|
|
assert android_top_dir, '$ANDROID_BUILD_TOP not set; you need to run lunch.'
|
|
|
|
def CalculateMakefilePath(build_file, base_name):
|
|
"""Determine where to write a Makefile for a given gyp file."""
|
|
# Paths in gyp files are relative to the .gyp file, but we want
|
|
# paths relative to the source root for the master makefile. Grab
|
|
# the path of the .gyp file as the base to relativize against.
|
|
# E.g. "foo/bar" when we're constructing targets for "foo/bar/baz.gyp".
|
|
base_path = gyp.common.RelativePath(os.path.dirname(build_file),
|
|
options.depth)
|
|
# We write the file in the base_path directory.
|
|
output_file = os.path.join(options.depth, base_path, base_name)
|
|
assert not options.generator_output, (
|
|
'The Android backend does not support options.generator_output.')
|
|
base_path = gyp.common.RelativePath(os.path.dirname(build_file),
|
|
options.toplevel_dir)
|
|
return base_path, output_file
|
|
|
|
# TODO: search for the first non-'Default' target. This can go
|
|
# away when we add verification that all targets have the
|
|
# necessary configurations.
|
|
default_configuration = None
|
|
toolsets = set([target_dicts[target]['toolset'] for target in target_list])
|
|
for target in target_list:
|
|
spec = target_dicts[target]
|
|
if spec['default_configuration'] != 'Default':
|
|
default_configuration = spec['default_configuration']
|
|
break
|
|
if not default_configuration:
|
|
default_configuration = 'Default'
|
|
|
|
srcdir = '.'
|
|
makefile_name = 'GypAndroid' + options.suffix + '.mk'
|
|
makefile_path = os.path.join(options.toplevel_dir, makefile_name)
|
|
assert not options.generator_output, (
|
|
'The Android backend does not support options.generator_output.')
|
|
gyp.common.EnsureDirExists(makefile_path)
|
|
root_makefile = open(makefile_path, 'w')
|
|
|
|
root_makefile.write(header)
|
|
|
|
# We set LOCAL_PATH just once, here, to the top of the project tree. This
|
|
# allows all the other paths we use to be relative to the Android.mk file,
|
|
# as the Android build system expects.
|
|
root_makefile.write('\nLOCAL_PATH := $(call my-dir)\n')
|
|
|
|
# Find the list of targets that derive from the gyp file(s) being built.
|
|
needed_targets = set()
|
|
for build_file in params['build_files']:
|
|
for target in gyp.common.AllTargets(target_list, target_dicts, build_file):
|
|
needed_targets.add(target)
|
|
|
|
build_files = set()
|
|
include_list = set()
|
|
android_modules = {}
|
|
for qualified_target in target_list:
|
|
build_file, target, toolset = gyp.common.ParseQualifiedTarget(
|
|
qualified_target)
|
|
relative_build_file = gyp.common.RelativePath(build_file,
|
|
options.toplevel_dir)
|
|
build_files.add(relative_build_file)
|
|
included_files = data[build_file]['included_files']
|
|
for included_file in included_files:
|
|
# The included_files entries are relative to the dir of the build file
|
|
# that included them, so we have to undo that and then make them relative
|
|
# to the root dir.
|
|
relative_include_file = gyp.common.RelativePath(
|
|
gyp.common.UnrelativePath(included_file, build_file),
|
|
options.toplevel_dir)
|
|
abs_include_file = os.path.abspath(relative_include_file)
|
|
# If the include file is from the ~/.gyp dir, we should use absolute path
|
|
# so that relocating the src dir doesn't break the path.
|
|
if (params['home_dot_gyp'] and
|
|
abs_include_file.startswith(params['home_dot_gyp'])):
|
|
build_files.add(abs_include_file)
|
|
else:
|
|
build_files.add(relative_include_file)
|
|
|
|
base_path, output_file = CalculateMakefilePath(build_file,
|
|
target + '.' + toolset + options.suffix + '.mk')
|
|
|
|
spec = target_dicts[qualified_target]
|
|
configs = spec['configurations']
|
|
|
|
part_of_all = qualified_target in needed_targets
|
|
if limit_to_target_all and not part_of_all:
|
|
continue
|
|
|
|
relative_target = gyp.common.QualifiedTarget(relative_build_file, target,
|
|
toolset)
|
|
writer = AndroidMkWriter(android_top_dir)
|
|
android_module = writer.Write(qualified_target, relative_target, base_path,
|
|
output_file, spec, configs,
|
|
part_of_all=part_of_all,
|
|
write_alias_target=write_alias_targets,
|
|
sdk_version=sdk_version)
|
|
if android_module in android_modules:
|
|
print ('ERROR: Android module names must be unique. The following '
|
|
'targets both generate Android module name %s.\n %s\n %s' %
|
|
(android_module, android_modules[android_module],
|
|
qualified_target))
|
|
return
|
|
android_modules[android_module] = qualified_target
|
|
|
|
# Our root_makefile lives at the source root. Compute the relative path
|
|
# from there to the output_file for including.
|
|
mkfile_rel_path = gyp.common.RelativePath(output_file,
|
|
os.path.dirname(makefile_path))
|
|
include_list.add(mkfile_rel_path)
|
|
|
|
root_makefile.write('GYP_CONFIGURATION ?= %s\n' % default_configuration)
|
|
root_makefile.write('GYP_VAR_PREFIX ?=\n')
|
|
root_makefile.write('GYP_HOST_VAR_PREFIX ?=\n')
|
|
root_makefile.write('GYP_HOST_MULTILIB ?= first\n')
|
|
|
|
# Write out the sorted list of includes.
|
|
root_makefile.write('\n')
|
|
for include_file in sorted(include_list):
|
|
root_makefile.write('include $(LOCAL_PATH)/' + include_file + '\n')
|
|
root_makefile.write('\n')
|
|
|
|
if write_alias_targets:
|
|
root_makefile.write(ALL_MODULES_FOOTER)
|
|
|
|
root_makefile.close()
|