# Copyright 2012-2016 The Meson development team # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # http://www.apache.org/licenses/LICENSE-2.0 # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. import os, pickle, re import textwrap from .. import build from .. import dependencies from .. import mesonlib from .. import mlog import json import subprocess from ..mesonlib import MesonException, OrderedSet from ..mesonlib import classify_unity_sources from ..mesonlib import File from ..compilers import CompilerArgs, VisualStudioCCompiler from collections import OrderedDict import shlex from functools import lru_cache class CleanTrees: ''' Directories outputted by custom targets that have to be manually cleaned because on Linux `ninja clean` only deletes empty directories. ''' def __init__(self, build_dir, trees): self.build_dir = build_dir self.trees = trees class InstallData: def __init__(self, source_dir, build_dir, prefix, strip_bin, install_umask, mesonintrospect): self.source_dir = source_dir self.build_dir = build_dir self.prefix = prefix self.strip_bin = strip_bin self.install_umask = install_umask self.targets = [] self.headers = [] self.man = [] self.data = [] self.po_package_name = '' self.po = [] self.install_scripts = [] self.install_subdirs = [] self.mesonintrospect = mesonintrospect class TargetInstallData: def __init__(self, fname, outdir, aliases, strip, install_name_mappings, install_rpath, install_mode, optional=False): self.fname = fname self.outdir = outdir self.aliases = aliases self.strip = strip self.install_name_mappings = install_name_mappings self.install_rpath = install_rpath self.install_mode = install_mode self.optional = optional class ExecutableSerialisation: def __init__(self, name, fname, cmd_args, env, is_cross, exe_wrapper, workdir, extra_paths, capture): self.name = name self.fname = fname self.cmd_args = cmd_args self.env = env self.is_cross = is_cross if exe_wrapper is not None: assert(isinstance(exe_wrapper, dependencies.ExternalProgram)) self.exe_runner = exe_wrapper self.workdir = workdir self.extra_paths = extra_paths self.capture = capture class TestSerialisation: def __init__(self, name, project, suite, fname, is_cross_built, exe_wrapper, is_parallel, cmd_args, env, should_fail, timeout, workdir, extra_paths): self.name = name self.project_name = project self.suite = suite self.fname = fname self.is_cross_built = is_cross_built if exe_wrapper is not None: assert(isinstance(exe_wrapper, dependencies.ExternalProgram)) self.exe_runner = exe_wrapper self.is_parallel = is_parallel self.cmd_args = cmd_args self.env = env self.should_fail = should_fail self.timeout = timeout self.workdir = workdir self.extra_paths = extra_paths class OptionProxy: def __init__(self, name, value): self.name = name self.value = value class OptionOverrideProxy: '''Mimic an option list but transparently override selected option values.''' def __init__(self, overrides, *options): self.overrides = overrides self.options = options def __getitem__(self, option_name): for opts in self.options: if option_name in opts: return self._get_override(option_name, opts[option_name]) raise KeyError('Option not found', option_name) def _get_override(self, option_name, base_opt): if option_name in self.overrides: return OptionProxy(base_opt.name, base_opt.validate_value(self.overrides[option_name])) return base_opt def get_backend_from_name(backend, build): if backend == 'ninja': from . import ninjabackend return ninjabackend.NinjaBackend(build) elif backend == 'vs': from . import vs2010backend return vs2010backend.autodetect_vs_version(build) elif backend == 'vs2010': from . import vs2010backend return vs2010backend.Vs2010Backend(build) elif backend == 'vs2015': from . import vs2015backend return vs2015backend.Vs2015Backend(build) elif backend == 'vs2017': from . import vs2017backend return vs2017backend.Vs2017Backend(build) elif backend == 'xcode': from . import xcodebackend return xcodebackend.XCodeBackend(build) return None # This class contains the basic functionality that is needed by all backends. # Feel free to move stuff in and out of it as you see fit. class Backend: def __init__(self, build): # Make it possible to construct a dummy backend # This is used for introspection without a build directory if build is None: return self.build = build self.environment = build.environment self.processed_targets = {} self.build_dir = self.environment.get_build_dir() self.source_dir = self.environment.get_source_dir() self.build_to_src = mesonlib.relpath(self.environment.get_source_dir(), self.environment.get_build_dir()) def get_target_filename(self, t): if isinstance(t, build.CustomTarget): if len(t.get_outputs()) != 1: mlog.warning('custom_target {!r} has more than one output! ' 'Using the first one.'.format(t.name)) filename = t.get_outputs()[0] else: assert(isinstance(t, build.BuildTarget)) filename = t.get_filename() return os.path.join(self.get_target_dir(t), filename) def get_target_filename_abs(self, target): return os.path.join(self.environment.get_build_dir(), self.get_target_filename(target)) def get_builtin_options_for_target(self, target): return OptionOverrideProxy(target.option_overrides, self.environment.coredata.builtins) def get_base_options_for_target(self, target): return OptionOverrideProxy(target.option_overrides, self.environment.coredata.builtins, self.environment.coredata.base_options) def get_compiler_options_for_target(self, target): return OptionOverrideProxy(target.option_overrides, # no code depends on builtins for now self.environment.coredata.compiler_options) def get_option_for_target(self, option_name, target): if option_name in target.option_overrides: override = target.option_overrides[option_name] return self.environment.coredata.validate_option_value(option_name, override) return self.environment.coredata.get_builtin_option(option_name) def get_target_filename_for_linking(self, target): # On some platforms (msvc for instance), the file that is used for # dynamic linking is not the same as the dynamic library itself. This # file is called an import library, and we want to link against that. # On all other platforms, we link to the library directly. if isinstance(target, build.SharedLibrary): link_lib = target.get_import_filename() or target.get_filename() return os.path.join(self.get_target_dir(target), link_lib) elif isinstance(target, build.StaticLibrary): return os.path.join(self.get_target_dir(target), target.get_filename()) elif isinstance(target, build.Executable): if target.import_filename: return os.path.join(self.get_target_dir(target), target.get_import_filename()) else: return None raise AssertionError('BUG: Tried to link to {!r} which is not linkable'.format(target)) def get_target_dir(self, target): if self.environment.coredata.get_builtin_option('layout') == 'mirror': dirname = target.get_subdir() else: dirname = 'meson-out' return dirname def get_target_dir_relative_to(self, t, o): '''Get a target dir relative to another target's directory''' target_dir = os.path.join(self.environment.get_build_dir(), self.get_target_dir(t)) othert_dir = os.path.join(self.environment.get_build_dir(), self.get_target_dir(o)) return os.path.relpath(target_dir, othert_dir) def get_target_source_dir(self, target): # if target dir is empty, avoid extraneous trailing / from os.path.join() target_dir = self.get_target_dir(target) if target_dir: return os.path.join(self.build_to_src, target_dir) return self.build_to_src def get_target_private_dir(self, target): return os.path.join(self.get_target_dir(target), target.get_id()) def get_target_private_dir_abs(self, target): return os.path.join(self.environment.get_build_dir(), self.get_target_private_dir(target)) @lru_cache(maxsize=None) def get_target_generated_dir(self, target, gensrc, src): """ Takes a BuildTarget, a generator source (CustomTarget or GeneratedList), and a generated source filename. Returns the full path of the generated source relative to the build root """ # CustomTarget generators output to the build dir of the CustomTarget if isinstance(gensrc, (build.CustomTarget, build.CustomTargetIndex)): return os.path.join(self.get_target_dir(gensrc), src) # GeneratedList generators output to the private build directory of the # target that the GeneratedList is used in return os.path.join(self.get_target_private_dir(target), src) def get_unity_source_file(self, target, suffix): # There is a potential conflict here, but it is unlikely that # anyone both enables unity builds and has a file called foo-unity.cpp. osrc = target.name + '-unity.' + suffix return mesonlib.File.from_built_file(self.get_target_private_dir(target), osrc) def generate_unity_files(self, target, unity_src): abs_files = [] result = [] compsrcs = classify_unity_sources(target.compilers.values(), unity_src) def init_language_file(suffix): unity_src = self.get_unity_source_file(target, suffix) outfileabs = unity_src.absolute_path(self.environment.get_source_dir(), self.environment.get_build_dir()) outfileabs_tmp = outfileabs + '.tmp' abs_files.append(outfileabs) outfileabs_tmp_dir = os.path.dirname(outfileabs_tmp) if not os.path.exists(outfileabs_tmp_dir): os.makedirs(outfileabs_tmp_dir) result.append(unity_src) return open(outfileabs_tmp, 'w') # For each language, generate a unity source file and return the list for comp, srcs in compsrcs.items(): with init_language_file(comp.get_default_suffix()) as ofile: for src in srcs: ofile.write('#include<%s>\n' % src) [mesonlib.replace_if_different(x, x + '.tmp') for x in abs_files] return result def relpath(self, todir, fromdir): return os.path.relpath(os.path.join('dummyprefixdir', todir), os.path.join('dummyprefixdir', fromdir)) def flatten_object_list(self, target, proj_dir_to_build_root=''): return self._flatten_object_list(target, target.get_objects(), proj_dir_to_build_root) def _flatten_object_list(self, target, objects, proj_dir_to_build_root): obj_list = [] for obj in objects: if isinstance(obj, str): o = os.path.join(proj_dir_to_build_root, self.build_to_src, target.get_subdir(), obj) obj_list.append(o) elif isinstance(obj, mesonlib.File): obj_list.append(obj.rel_to_builddir(self.build_to_src)) elif isinstance(obj, build.ExtractedObjects): if obj.recursive: obj_list += self._flatten_object_list(obj.target, obj.objlist, proj_dir_to_build_root) obj_list += self.determine_ext_objs(obj, proj_dir_to_build_root) else: raise MesonException('Unknown data type in object list.') return obj_list def serialize_executable(self, tname, exe, cmd_args, workdir, env={}, extra_paths=None, capture=None): ''' Serialize an executable for running with a generator or a custom target ''' import hashlib if extra_paths is None: # The callee didn't check if we needed extra paths, so check it here if mesonlib.is_windows() or mesonlib.is_cygwin(): extra_paths = self.determine_windows_extra_paths(exe, []) else: extra_paths = [] # Can't just use exe.name here; it will likely be run more than once if isinstance(exe, (dependencies.ExternalProgram, build.BuildTarget, build.CustomTarget)): basename = exe.name else: basename = os.path.basename(exe) # Take a digest of the cmd args, env, workdir, and capture. This avoids # collisions and also makes the name deterministic over regenerations # which avoids a rebuild by Ninja because the cmdline stays the same. data = bytes(str(sorted(env.items())) + str(cmd_args) + str(workdir) + str(capture), encoding='utf-8') digest = hashlib.sha1(data).hexdigest() scratch_file = 'meson_exe_{0}_{1}.dat'.format(basename, digest) exe_data = os.path.join(self.environment.get_scratch_dir(), scratch_file) with open(exe_data, 'wb') as f: if isinstance(exe, dependencies.ExternalProgram): exe_cmd = exe.get_command() exe_is_native = True elif isinstance(exe, (build.BuildTarget, build.CustomTarget)): exe_cmd = [self.get_target_filename_abs(exe)] exe_is_native = not exe.is_cross else: exe_cmd = [exe] exe_is_native = True is_cross_built = (not exe_is_native) and \ self.environment.is_cross_build() and \ self.environment.need_exe_wrapper() if is_cross_built: exe_wrapper = self.environment.get_exe_wrapper() if not exe_wrapper.found(): msg = 'The exe_wrapper {!r} defined in the cross file is ' \ 'needed by target {!r}, but was not found. Please ' \ 'check the command and/or add it to PATH.' raise MesonException(msg.format(exe_wrapper.name, tname)) else: exe_wrapper = None es = ExecutableSerialisation(basename, exe_cmd, cmd_args, env, is_cross_built, exe_wrapper, workdir, extra_paths, capture) pickle.dump(es, f) return exe_data def serialize_tests(self): test_data = os.path.join(self.environment.get_scratch_dir(), 'meson_test_setup.dat') with open(test_data, 'wb') as datafile: self.write_test_file(datafile) benchmark_data = os.path.join(self.environment.get_scratch_dir(), 'meson_benchmark_setup.dat') with open(benchmark_data, 'wb') as datafile: self.write_benchmark_file(datafile) return test_data, benchmark_data def determine_linker_and_stdlib_args(self, target): ''' If we're building a static library, there is only one static linker. Otherwise, we query the target for the dynamic linker. ''' if isinstance(target, build.StaticLibrary): if target.is_cross: return self.build.static_cross_linker, [] else: return self.build.static_linker, [] l, stdlib_args = target.get_clink_dynamic_linker_and_stdlibs() return l, stdlib_args @staticmethod def _libdir_is_system(libdir, compilers, env): libdir = os.path.normpath(libdir) for cc in compilers.values(): if libdir in cc.get_library_dirs(env): return True return False def rpaths_for_bundled_shared_libraries(self, target, exclude_system=True): paths = [] for dep in target.external_deps: if not isinstance(dep, (dependencies.ExternalLibrary, dependencies.PkgConfigDependency)): continue la = dep.link_args if len(la) != 1 or not os.path.isabs(la[0]): continue # The only link argument is an absolute path to a library file. libpath = la[0] libdir = os.path.dirname(libpath) if exclude_system and self._libdir_is_system(libdir, target.compilers, self.environment): # No point in adding system paths. continue # Windows doesn't support rpaths, but we use this function to # emulate rpaths by setting PATH, so also accept DLLs here if os.path.splitext(libpath)[1] not in ['.dll', '.lib', '.so', '.dylib']: continue if libdir.startswith(self.environment.get_source_dir()): rel_to_src = libdir[len(self.environment.get_source_dir()) + 1:] assert not os.path.isabs(rel_to_src), 'rel_to_src: {} is absolute'.format(rel_to_src) paths.append(os.path.join(self.build_to_src, rel_to_src)) else: paths.append(libdir) return paths def determine_rpath_dirs(self, target): if self.environment.coredata.get_builtin_option('layout') == 'mirror': result = target.get_link_dep_subdirs() else: result = OrderedSet() result.add('meson-out') result.update(self.rpaths_for_bundled_shared_libraries(target)) return tuple(result) def object_filename_from_source(self, target, source): assert isinstance(source, mesonlib.File) build_dir = self.environment.get_build_dir() rel_src = source.rel_to_builddir(self.build_to_src) # foo.vala files compile down to foo.c and then foo.c.o, not foo.vala.o if rel_src.endswith(('.vala', '.gs')): # See description in generate_vala_compile for this logic. if source.is_built: if os.path.isabs(rel_src): rel_src = rel_src[len(build_dir) + 1:] rel_src = os.path.relpath(rel_src, self.get_target_private_dir(target)) else: rel_src = os.path.basename(rel_src) # A meson- prefixed directory is reserved; hopefully no-one creates a file name with such a weird prefix. source = 'meson-generated_' + rel_src[:-5] + '.c' elif source.is_built: if os.path.isabs(rel_src): rel_src = rel_src[len(build_dir) + 1:] targetdir = self.get_target_private_dir(target) # A meson- prefixed directory is reserved; hopefully no-one creates a file name with such a weird prefix. source = 'meson-generated_' + os.path.relpath(rel_src, targetdir) else: if os.path.isabs(rel_src): # Not from the source directory; hopefully this doesn't conflict with user's source files. source = os.path.basename(rel_src) else: source = os.path.relpath(os.path.join(build_dir, rel_src), os.path.join(self.environment.get_source_dir(), target.get_subdir())) return source.replace('/', '_').replace('\\', '_') + '.' + self.environment.get_object_suffix() def determine_ext_objs(self, extobj, proj_dir_to_build_root): result = [] # Merge sources and generated sources sources = list(extobj.srclist) for gensrc in extobj.genlist: for s in gensrc.get_outputs(): path = self.get_target_generated_dir(extobj.target, gensrc, s) dirpart, fnamepart = os.path.split(path) sources.append(File(True, dirpart, fnamepart)) # Filter out headers and all non-source files filtered_sources = [] for s in sources: if self.environment.is_source(s) and not self.environment.is_header(s): filtered_sources.append(s) elif self.environment.is_object(s): result.append(s.relative_name()) sources = filtered_sources # extobj could contain only objects and no sources if not sources: return result targetdir = self.get_target_private_dir(extobj.target) # With unity builds, there's just one object that contains all the # sources, and we only support extracting all the objects in this mode, # so just return that. if self.is_unity(extobj.target): compsrcs = classify_unity_sources(extobj.target.compilers.values(), sources) sources = [] for comp in compsrcs.keys(): osrc = self.get_unity_source_file(extobj.target, comp.get_default_suffix()) sources.append(osrc) for osrc in sources: objname = self.object_filename_from_source(extobj.target, osrc) objpath = os.path.join(proj_dir_to_build_root, targetdir, objname) result.append(objpath) return result def get_pch_include_args(self, compiler, target): args = [] pchpath = self.get_target_private_dir(target) includeargs = compiler.get_include_args(pchpath, False) p = target.get_pch(compiler.get_language()) if p: args += compiler.get_pch_use_args(pchpath, p[0]) return includeargs + args @staticmethod def escape_extra_args(compiler, args): # No extra escaping/quoting needed when not running on Windows if not mesonlib.is_windows(): return args extra_args = [] # Compiler-specific escaping is needed for -D args but not for any others if isinstance(compiler, VisualStudioCCompiler): # MSVC needs escaping when a -D argument ends in \ or \" for arg in args: if arg.startswith('-D') or arg.startswith('/D'): # Without extra escaping for these two, the next character # gets eaten if arg.endswith('\\'): arg += '\\' elif arg.endswith('\\"'): arg = arg[:-2] + '\\\\"' extra_args.append(arg) else: # MinGW GCC needs all backslashes in defines to be doubly-escaped # FIXME: Not sure about Cygwin or Clang for arg in args: if arg.startswith('-D') or arg.startswith('/D'): arg = arg.replace('\\', '\\\\') extra_args.append(arg) return extra_args def generate_basic_compiler_args(self, target, compiler, no_warn_args=False): # Create an empty commands list, and start adding arguments from # various sources in the order in which they must override each other # starting from hard-coded defaults followed by build options and so on. commands = CompilerArgs(compiler) copt_proxy = self.get_compiler_options_for_target(target) # First, the trivial ones that are impossible to override. # # Add -nostdinc/-nostdinc++ if needed; can't be overridden commands += self.get_cross_stdlib_args(target, compiler) # Add things like /NOLOGO or -pipe; usually can't be overridden commands += compiler.get_always_args() # Only add warning-flags by default if the buildtype enables it, and if # we weren't explicitly asked to not emit warnings (for Vala, f.ex) if no_warn_args: commands += compiler.get_no_warn_args() elif self.get_option_for_target('buildtype', target) != 'plain': commands += compiler.get_warn_args(self.get_option_for_target('warning_level', target)) # Add -Werror if werror=true is set in the build options set on the # command-line or default_options inside project(). This only sets the # action to be done for warnings if/when they are emitted, so it's ok # to set it after get_no_warn_args() or get_warn_args(). if self.get_option_for_target('werror', target): commands += compiler.get_werror_args() # Add compile args for c_* or cpp_* build options set on the # command-line or default_options inside project(). commands += compiler.get_option_compile_args(copt_proxy) # Add buildtype args: optimization level, debugging, etc. commands += compiler.get_buildtype_args(self.get_option_for_target('buildtype', target)) commands += compiler.get_optimization_args(self.get_option_for_target('optimization', target)) commands += compiler.get_debug_args(self.get_option_for_target('debug', target)) # Add compile args added using add_project_arguments() commands += self.build.get_project_args(compiler, target.subproject, target.is_cross) # Add compile args added using add_global_arguments() # These override per-project arguments commands += self.build.get_global_args(compiler, target.is_cross) if not target.is_cross: # Compile args added from the env: CFLAGS/CXXFLAGS, etc. We want these # to override all the defaults, but not the per-target compile args. commands += self.environment.coredata.get_external_args(compiler.get_language()) # Always set -fPIC for shared libraries if isinstance(target, build.SharedLibrary): commands += compiler.get_pic_args() # Set -fPIC for static libraries by default unless explicitly disabled if isinstance(target, build.StaticLibrary) and target.pic: commands += compiler.get_pic_args() if isinstance(target, build.Executable) and target.pie: commands += compiler.get_pie_args() # Add compile args needed to find external dependencies. Link args are # added while generating the link command. # NOTE: We must preserve the order in which external deps are # specified, so we reverse the list before iterating over it. for dep in reversed(target.get_external_deps()): if not dep.found(): continue if compiler.language == 'vala': if isinstance(dep, dependencies.PkgConfigDependency): if dep.name == 'glib-2.0' and dep.version_reqs is not None: for req in dep.version_reqs: if req.startswith(('>=', '==')): commands += ['--target-glib', req[2:]] break commands += ['--pkg', dep.name] elif isinstance(dep, dependencies.ExternalLibrary): commands += dep.get_link_args('vala') else: commands += dep.get_compile_args() # Qt needs -fPIC for executables # XXX: We should move to -fPIC for all executables if isinstance(target, build.Executable): commands += dep.get_exe_args(compiler) # For 'automagic' deps: Boost and GTest. Also dependency('threads'). # pkg-config puts the thread flags itself via `Cflags:` if dep.need_threads(): commands += compiler.thread_flags(self.environment) elif dep.need_openmp(): commands += compiler.openmp_flags() # Fortran requires extra include directives. if compiler.language == 'fortran': for lt in target.link_targets: priv_dir = self.get_target_private_dir(lt) commands += compiler.get_include_args(priv_dir, False) return commands def build_target_link_arguments(self, compiler, deps): args = [] for d in deps: if not (d.is_linkable_target()): raise RuntimeError('Tried to link with a non-library target "%s".' % d.get_basename()) arg = self.get_target_filename_for_linking(d) if not arg: continue if compiler.get_language() == 'd': arg = '-Wl,' + arg else: arg = compiler.get_linker_lib_prefix() + arg args.append(arg) return args def get_mingw_extra_paths(self, target): paths = OrderedSet() # The cross bindir root = self.environment.properties.host.get_root() if root: paths.add(os.path.join(root, 'bin')) # The toolchain bindir sys_root = self.environment.properties.host.get_sys_root() if sys_root: paths.add(os.path.join(sys_root, 'bin')) # Get program and library dirs from all target compilers if isinstance(target, build.BuildTarget): for cc in target.compilers.values(): paths.update(cc.get_program_dirs(self.environment)) paths.update(cc.get_library_dirs(self.environment)) return list(paths) def determine_windows_extra_paths(self, target, extra_bdeps, is_cross=False): '''On Windows there is no such thing as an rpath. We must determine all locations of DLLs that this exe links to and return them so they can be used in unit tests.''' result = set() prospectives = set() if isinstance(target, build.BuildTarget): prospectives.update(target.get_transitive_link_deps()) # External deps for deppath in self.rpaths_for_bundled_shared_libraries(target, exclude_system=False): result.add(os.path.normpath(os.path.join(self.environment.get_build_dir(), deppath))) for bdep in extra_bdeps: prospectives.update(bdep.get_transitive_link_deps()) # Internal deps for ld in prospectives: if ld == '' or ld == '.': continue dirseg = os.path.join(self.environment.get_build_dir(), self.get_target_dir(ld)) result.add(dirseg) if is_cross: result.update(self.get_mingw_extra_paths(target)) return list(result) def write_benchmark_file(self, datafile): self.write_test_serialisation(self.build.get_benchmarks(), datafile) def write_test_file(self, datafile): self.write_test_serialisation(self.build.get_tests(), datafile) def create_test_serialisation(self, tests): arr = [] for t in tests: exe = t.get_exe() if isinstance(exe, dependencies.ExternalProgram): cmd = exe.get_command() else: cmd = [os.path.join(self.environment.get_build_dir(), self.get_target_filename(t.get_exe()))] is_cross = self.environment.is_cross_build() and \ self.environment.need_exe_wrapper() if isinstance(exe, build.BuildTarget): is_cross = is_cross and exe.is_cross if isinstance(exe, dependencies.ExternalProgram): # E.g. an external verifier or simulator program run on a generated executable. # Can always be run without a wrapper. is_cross = False if is_cross: exe_wrapper = self.environment.get_exe_wrapper() else: exe_wrapper = None if mesonlib.for_windows(is_cross, self.environment) or \ mesonlib.for_cygwin(is_cross, self.environment): extra_bdeps = [] if isinstance(exe, build.CustomTarget): extra_bdeps = exe.get_transitive_build_target_deps() extra_paths = self.determine_windows_extra_paths(exe, extra_bdeps, is_cross) else: extra_paths = [] cmd_args = [] for a in t.cmd_args: if hasattr(a, 'held_object'): a = a.held_object if isinstance(a, build.BuildTarget): extra_paths += self.determine_windows_extra_paths(a, []) if isinstance(a, mesonlib.File): a = os.path.join(self.environment.get_build_dir(), a.rel_to_builddir(self.build_to_src)) cmd_args.append(a) elif isinstance(a, str): cmd_args.append(a) elif isinstance(a, build.Target): cmd_args.append(self.construct_target_rel_path(a, t.workdir)) else: raise MesonException('Bad object in test command.') ts = TestSerialisation(t.get_name(), t.project_name, t.suite, cmd, is_cross, exe_wrapper, t.is_parallel, cmd_args, t.env, t.should_fail, t.timeout, t.workdir, extra_paths) arr.append(ts) return arr def write_test_serialisation(self, tests, datafile): pickle.dump(self.create_test_serialisation(tests), datafile) def construct_target_rel_path(self, a, workdir): if workdir is None: return self.get_target_filename(a) assert(os.path.isabs(workdir)) abs_path = self.get_target_filename_abs(a) return os.path.relpath(abs_path, workdir) def generate_depmf_install(self, d): if self.build.dep_manifest_name is None: return ifilename = os.path.join(self.environment.get_build_dir(), 'depmf.json') ofilename = os.path.join(self.environment.get_prefix(), self.build.dep_manifest_name) mfobj = {'type': 'dependency manifest', 'version': '1.0', 'projects': self.build.dep_manifest} with open(ifilename, 'w') as f: f.write(json.dumps(mfobj)) # Copy file from, to, and with mode unchanged d.data.append([ifilename, ofilename, None]) def get_regen_filelist(self): '''List of all files whose alteration means that the build definition needs to be regenerated.''' deps = [os.path.join(self.build_to_src, df) for df in self.interpreter.get_build_def_files()] if self.environment.is_cross_build(): deps.append(os.path.join(self.build_to_src, self.environment.coredata.cross_file)) deps.append('meson-private/coredata.dat') if os.path.exists(os.path.join(self.environment.get_source_dir(), 'meson_options.txt')): deps.append(os.path.join(self.build_to_src, 'meson_options.txt')) for sp in self.build.subprojects.keys(): fname = os.path.join(self.environment.get_source_dir(), sp, 'meson_options.txt') if os.path.isfile(fname): deps.append(os.path.join(self.build_to_src, sp, 'meson_options.txt')) return deps def exe_object_to_cmd_array(self, exe): if self.environment.is_cross_build() and \ isinstance(exe, build.BuildTarget) and exe.is_cross: if self.environment.exe_wrapper is None and self.environment.need_exe_wrapper(): s = textwrap.dedent(''' Can not use target {} as a generator because it is cross-built and no exe wrapper is defined or needs_exe_wrapper is true. You might want to set it to native instead.'''.format(exe.name)) raise MesonException(s) if isinstance(exe, build.BuildTarget): exe_arr = [os.path.join(self.environment.get_build_dir(), self.get_target_filename(exe))] else: exe_arr = exe.get_command() return exe_arr def replace_extra_args(self, args, genlist): final_args = [] for a in args: if a == '@EXTRA_ARGS@': final_args += genlist.get_extra_args() else: final_args.append(a) return final_args def replace_outputs(self, args, private_dir, output_list): newargs = [] regex = re.compile(r'@OUTPUT(\d+)@') for arg in args: m = regex.search(arg) while m is not None: index = int(m.group(1)) src = '@OUTPUT%d@' % index arg = arg.replace(src, os.path.join(private_dir, output_list[index])) m = regex.search(arg) newargs.append(arg) return newargs def get_build_by_default_targets(self): result = OrderedDict() # Get all build and custom targets that must be built by default for name, t in self.build.get_targets().items(): if t.build_by_default: result[name] = t # Get all targets used as test executables and arguments. These must # also be built by default. XXX: Sometime in the future these should be # built only before running tests. for t in self.build.get_tests(): exe = t.exe if hasattr(exe, 'held_object'): exe = exe.held_object if isinstance(exe, (build.CustomTarget, build.BuildTarget)): result[exe.get_id()] = exe for arg in t.cmd_args: if hasattr(arg, 'held_object'): arg = arg.held_object if not isinstance(arg, (build.CustomTarget, build.BuildTarget)): continue result[arg.get_id()] = arg for dep in t.depends: assert isinstance(dep, (build.CustomTarget, build.BuildTarget)) result[dep.get_id()] = dep return result def get_custom_target_provided_libraries(self, target): libs = [] for t in target.get_generated_sources(): if not isinstance(t, build.CustomTarget): continue for f in t.get_outputs(): if self.environment.is_library(f): libs.append(os.path.join(self.get_target_dir(t), f)) return libs def is_unity(self, target): optval = self.get_option_for_target('unity', target) if optval == 'on' or (optval == 'subprojects' and target.subproject != ''): return True return False def get_custom_target_sources(self, target): ''' Custom target sources can be of various object types; strings, File, BuildTarget, even other CustomTargets. Returns the path to them relative to the build root directory. ''' srcs = [] for i in target.get_sources(): if hasattr(i, 'held_object'): i = i.held_object if isinstance(i, str): fname = [os.path.join(self.build_to_src, target.subdir, i)] elif isinstance(i, build.BuildTarget): fname = [self.get_target_filename(i)] elif isinstance(i, (build.CustomTarget, build.CustomTargetIndex)): fname = [os.path.join(self.get_target_dir(i), p) for p in i.get_outputs()] elif isinstance(i, build.GeneratedList): fname = [os.path.join(self.get_target_private_dir(target), p) for p in i.get_outputs()] else: fname = [i.rel_to_builddir(self.build_to_src)] if target.absolute_paths: fname = [os.path.join(self.environment.get_build_dir(), f) for f in fname] srcs += fname return srcs def get_custom_target_depend_files(self, target, absolute_paths=False): deps = [] for i in target.depend_files: if isinstance(i, mesonlib.File): if absolute_paths: deps.append(i.absolute_path(self.environment.get_source_dir(), self.environment.get_build_dir())) else: deps.append(i.rel_to_builddir(self.build_to_src)) else: if absolute_paths: deps.append(os.path.join(self.environment.get_source_dir(), target.subdir, i)) else: deps.append(os.path.join(self.build_to_src, target.subdir, i)) return deps def eval_custom_target_command(self, target, absolute_outputs=False): # We want the outputs to be absolute only when using the VS backend # XXX: Maybe allow the vs backend to use relative paths too? source_root = self.build_to_src build_root = '.' outdir = self.get_target_dir(target) if absolute_outputs: source_root = self.environment.get_source_dir() build_root = self.environment.get_build_dir() outdir = os.path.join(self.environment.get_build_dir(), outdir) outputs = [] for i in target.get_outputs(): outputs.append(os.path.join(outdir, i)) inputs = self.get_custom_target_sources(target) # Evaluate the command list cmd = [] for i in target.command: if isinstance(i, build.Executable): cmd += self.exe_object_to_cmd_array(i) continue elif isinstance(i, build.CustomTarget): # GIR scanner will attempt to execute this binary but # it assumes that it is in path, so always give it a full path. tmp = i.get_outputs()[0] i = os.path.join(self.get_target_dir(i), tmp) elif isinstance(i, mesonlib.File): i = i.rel_to_builddir(self.build_to_src) if target.absolute_paths: i = os.path.join(self.environment.get_build_dir(), i) # FIXME: str types are blindly added ignoring 'target.absolute_paths' # because we can't know if they refer to a file or just a string elif not isinstance(i, str): err_msg = 'Argument {0} is of unknown type {1}' raise RuntimeError(err_msg.format(str(i), str(type(i)))) elif '@SOURCE_ROOT@' in i: i = i.replace('@SOURCE_ROOT@', source_root) elif '@BUILD_ROOT@' in i: i = i.replace('@BUILD_ROOT@', build_root) elif '@DEPFILE@' in i: if target.depfile is None: msg = 'Custom target {!r} has @DEPFILE@ but no depfile ' \ 'keyword argument.'.format(target.name) raise MesonException(msg) dfilename = os.path.join(outdir, target.depfile) i = i.replace('@DEPFILE@', dfilename) elif '@PRIVATE_OUTDIR_' in i: match = re.search(r'@PRIVATE_OUTDIR_(ABS_)?([^/\s*]*)@', i) if not match: msg = 'Custom target {!r} has an invalid argument {!r}' \ ''.format(target.name, i) raise MesonException(msg) source = match.group(0) if match.group(1) is None and not target.absolute_paths: lead_dir = '' else: lead_dir = self.environment.get_build_dir() i = i.replace(source, os.path.join(lead_dir, outdir)) cmd.append(i) # Substitute the rest of the template strings values = mesonlib.get_filenames_templates_dict(inputs, outputs) cmd = mesonlib.substitute_values(cmd, values) # This should not be necessary but removing it breaks # building GStreamer on Windows. The underlying issue # is problems with quoting backslashes on Windows # which is the seventh circle of hell. The downside is # that this breaks custom targets whose command lines # have backslashes. If you try to fix this be sure to # check that it does not break GST. # # The bug causes file paths such as c:\foo to get escaped # into c:\\foo. # # Unfortunately we have not been able to come up with an # isolated test case for this so unless you manage to come up # with one, the only way is to test the building with Gst's # setup. Note this in your MR or ping us and we will get it # fixed. # # https://github.com/mesonbuild/meson/pull/737 cmd = [i.replace('\\', '/') for i in cmd] return inputs, outputs, cmd def run_postconf_scripts(self): env = {'MESON_SOURCE_ROOT': self.environment.get_source_dir(), 'MESON_BUILD_ROOT': self.environment.get_build_dir(), 'MESONINTROSPECT': ' '.join([shlex.quote(x) for x in self.environment.get_build_command() + ['introspect']]), } child_env = os.environ.copy() child_env.update(env) for s in self.build.postconf_scripts: cmd = s['exe'] + s['args'] subprocess.check_call(cmd, env=child_env) def create_install_data(self): strip_bin = self.environment.binaries.host.lookup_entry('strip') if strip_bin is None: if self.environment.is_cross_build(): mlog.warning('Cross file does not specify strip binary, result will not be stripped.') else: # TODO go through all candidates, like others strip_bin = [self.environment.default_strip[0]] d = InstallData(self.environment.get_source_dir(), self.environment.get_build_dir(), self.environment.get_prefix(), strip_bin, self.environment.coredata.get_builtin_option('install_umask'), self.environment.get_build_command() + ['introspect']) self.generate_depmf_install(d) self.generate_target_install(d) self.generate_header_install(d) self.generate_man_install(d) self.generate_data_install(d) self.generate_custom_install_script(d) self.generate_subdir_install(d) return d def create_install_data_files(self): install_data_file = os.path.join(self.environment.get_scratch_dir(), 'install.dat') with open(install_data_file, 'wb') as ofile: pickle.dump(self.create_install_data(), ofile) def generate_target_install(self, d): for t in self.build.get_targets().values(): if not t.should_install(): continue outdirs, custom_install_dir = t.get_install_dir(self.environment) # Sanity-check the outputs and install_dirs num_outdirs, num_out = len(outdirs), len(t.get_outputs()) if num_outdirs != 1 and num_outdirs != num_out: m = 'Target {!r} has {} outputs: {!r}, but only {} "install_dir"s were found.\n' \ "Pass 'false' for outputs that should not be installed and 'true' for\n" \ 'using the default installation directory for an output.' raise MesonException(m.format(t.name, num_out, t.get_outputs(), num_outdirs)) install_mode = t.get_custom_install_mode() # Install the target output(s) if isinstance(t, build.BuildTarget): should_strip = self.get_option_for_target('strip', t) # Install primary build output (library/executable/jar, etc) # Done separately because of strip/aliases/rpath if outdirs[0] is not False: mappings = t.get_link_deps_mapping(d.prefix, self.environment) i = TargetInstallData(self.get_target_filename(t), outdirs[0], t.get_aliases(), should_strip, mappings, t.install_rpath, install_mode) d.targets.append(i) # On toolchains/platforms that use an import library for # linking (separate from the shared library with all the # code), we need to install that too (dll.a/.lib). if isinstance(t, (build.SharedLibrary, build.SharedModule, build.Executable)) and t.get_import_filename(): if custom_install_dir: # If the DLL is installed into a custom directory, # install the import library into the same place so # it doesn't go into a surprising place implib_install_dir = outdirs[0] else: implib_install_dir = self.environment.get_import_lib_dir() # Install the import library; may not exist for shared modules i = TargetInstallData(self.get_target_filename_for_linking(t), implib_install_dir, {}, False, {}, '', install_mode, optional=isinstance(t, build.SharedModule)) d.targets.append(i) # Install secondary outputs. Only used for Vala right now. if num_outdirs > 1: for output, outdir in zip(t.get_outputs()[1:], outdirs[1:]): # User requested that we not install this output if outdir is False: continue f = os.path.join(self.get_target_dir(t), output) i = TargetInstallData(f, outdir, {}, False, {}, None, install_mode) d.targets.append(i) elif isinstance(t, build.CustomTarget): # If only one install_dir is specified, assume that all # outputs will be installed into it. This is for # backwards-compatibility and because it makes sense to # avoid repetition since this is a common use-case. # # To selectively install only some outputs, pass `false` as # the install_dir for the corresponding output by index if num_outdirs == 1 and num_out > 1: for output in t.get_outputs(): f = os.path.join(self.get_target_dir(t), output) i = TargetInstallData(f, outdirs[0], {}, False, {}, None, install_mode, optional=not t.build_by_default) d.targets.append(i) else: for output, outdir in zip(t.get_outputs(), outdirs): # User requested that we not install this output if outdir is False: continue f = os.path.join(self.get_target_dir(t), output) i = TargetInstallData(f, outdir, {}, False, {}, None, install_mode, optional=not t.build_by_default) d.targets.append(i) def generate_custom_install_script(self, d): result = [] srcdir = self.environment.get_source_dir() builddir = self.environment.get_build_dir() for i in self.build.install_scripts: exe = i['exe'] args = i['args'] fixed_args = [] for a in args: a = a.replace('@SOURCE_ROOT@', srcdir) a = a.replace('@BUILD_ROOT@', builddir) fixed_args.append(a) result.append(build.RunScript(exe, fixed_args)) d.install_scripts = result def generate_header_install(self, d): incroot = self.environment.get_includedir() headers = self.build.get_headers() srcdir = self.environment.get_source_dir() builddir = self.environment.get_build_dir() for h in headers: outdir = h.get_custom_install_dir() if outdir is None: outdir = os.path.join(incroot, h.get_install_subdir()) for f in h.get_sources(): if not isinstance(f, File): msg = 'Invalid header type {!r} can\'t be installed' raise MesonException(msg.format(f)) abspath = f.absolute_path(srcdir, builddir) i = [abspath, outdir, h.get_custom_install_mode()] d.headers.append(i) def generate_man_install(self, d): manroot = self.environment.get_mandir() man = self.build.get_man() for m in man: for f in m.get_sources(): num = f.split('.')[-1] subdir = m.get_custom_install_dir() if subdir is None: subdir = os.path.join(manroot, 'man' + num) srcabs = f.absolute_path(self.environment.get_source_dir(), self.environment.get_build_dir()) dstabs = os.path.join(subdir, os.path.basename(f.fname)) i = [srcabs, dstabs, m.get_custom_install_mode()] d.man.append(i) def generate_data_install(self, d): data = self.build.get_data() srcdir = self.environment.get_source_dir() builddir = self.environment.get_build_dir() for de in data: assert(isinstance(de, build.Data)) subdir = de.install_dir if not subdir: subdir = os.path.join(self.environment.get_datadir(), self.interpreter.build.project_name) for src_file, dst_name in zip(de.sources, de.rename): assert(isinstance(src_file, mesonlib.File)) dst_abs = os.path.join(subdir, dst_name) i = [src_file.absolute_path(srcdir, builddir), dst_abs, de.install_mode] d.data.append(i) def generate_subdir_install(self, d): for sd in self.build.get_install_subdirs(): src_dir = os.path.join(self.environment.get_source_dir(), sd.source_subdir, sd.installable_subdir).rstrip('/') dst_dir = os.path.join(self.environment.get_prefix(), sd.install_dir) if not sd.strip_directory: dst_dir = os.path.join(dst_dir, os.path.basename(src_dir)) d.install_subdirs.append([src_dir, dst_dir, sd.install_mode, sd.exclude]) def get_introspection_data(self, target_id, target): ''' Returns a list of source dicts with the following format for a given target: [ { "language": "", "compiler": ["result", "of", "comp.get_exelist()"], "parameters": ["list", "of", "compiler", "parameters], "sources": ["list", "of", "all", "", "source", "files"], "generated_sources": ["list", "of", "generated", "source", "files"] } ] This is a limited fallback / reference implementation. The backend should override this method. ''' if isinstance(target, (build.CustomTarget, build.BuildTarget)): source_list_raw = target.sources + target.extra_files source_list = [] for j in source_list_raw: if isinstance(j, mesonlib.File): source_list += [j.absolute_path(self.source_dir, self.build_dir)] elif isinstance(j, str): source_list += [os.path.join(self.source_dir, j)] source_list = list(map(lambda x: os.path.normpath(x), source_list)) compiler = [] if isinstance(target, build.CustomTarget): tmp_compiler = target.command if not isinstance(compiler, list): tmp_compiler = [compiler] for j in tmp_compiler: if isinstance(j, mesonlib.File): compiler += [j.absolute_path(self.source_dir, self.build_dir)] elif isinstance(j, str): compiler += [j] elif isinstance(j, (build.BuildTarget, build.CustomTarget)): compiler += j.get_outputs() else: raise RuntimeError('Type "{}" is not supported in get_introspection_data. This is a bug'.format(type(j).__name__)) return [{ 'language': 'unknown', 'compiler': compiler, 'parameters': [], 'sources': source_list, 'generated_sources': [] }] return []