# Copyright 2013-2017 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. # This file contains the detection logic for external dependencies that # are UI-related. import os import re import shutil import subprocess from collections import OrderedDict from .. import mlog from .. import mesonlib from ..mesonlib import MesonException, Popen_safe, extract_as_list, for_windows from ..environment import detect_cpu from .base import DependencyException, DependencyMethods from .base import ExternalDependency, ExternalProgram from .base import ExtraFrameworkDependency, PkgConfigDependency from .base import ConfigToolDependency class GLDependency(ExternalDependency): def __init__(self, environment, kwargs): super().__init__('gl', environment, None, kwargs) if DependencyMethods.PKGCONFIG in self.methods: try: pcdep = PkgConfigDependency('gl', environment, kwargs) if pcdep.found(): self.type_name = 'pkgconfig' self.is_found = True self.compile_args = pcdep.get_compile_args() self.link_args = pcdep.get_link_args() self.version = pcdep.get_version() return except Exception: pass if DependencyMethods.SYSTEM in self.methods: if mesonlib.is_osx(): self.is_found = True # FIXME: Use AppleFrameworks dependency self.link_args = ['-framework', 'OpenGL'] # FIXME: Detect version using self.compiler self.version = '1' return if mesonlib.is_windows(): self.is_found = True # FIXME: Use self.compiler.find_library() self.link_args = ['-lopengl32'] # FIXME: Detect version using self.compiler self.version = '1' return def get_methods(self): if mesonlib.is_osx() or mesonlib.is_windows(): return [DependencyMethods.PKGCONFIG, DependencyMethods.SYSTEM] else: return [DependencyMethods.PKGCONFIG] class GnuStepDependency(ExternalDependency): def __init__(self, environment, kwargs): super().__init__('gnustep', environment, 'objc', kwargs) self.modules = kwargs.get('modules', []) self.detect() def detect(self): self.confprog = 'gnustep-config' try: gp = Popen_safe([self.confprog, '--help'])[0] except (FileNotFoundError, PermissionError): mlog.log('Dependency GnuStep found:', mlog.red('NO'), '(no gnustep-config)') return if gp.returncode != 0: mlog.log('Dependency GnuStep found:', mlog.red('NO')) return if 'gui' in self.modules: arg = '--gui-libs' else: arg = '--base-libs' fp, flagtxt, flagerr = Popen_safe([self.confprog, '--objc-flags']) if fp.returncode != 0: raise DependencyException('Error getting objc-args: %s %s' % (flagtxt, flagerr)) args = flagtxt.split() self.compile_args = self.filter_args(args) fp, libtxt, liberr = Popen_safe([self.confprog, arg]) if fp.returncode != 0: raise DependencyException('Error getting objc-lib args: %s %s' % (libtxt, liberr)) self.link_args = self.weird_filter(libtxt.split()) self.version = self.detect_version() self.is_found = True mlog.log('Dependency', mlog.bold('GnuStep'), 'found:', mlog.green('YES'), self.version) def weird_filter(self, elems): """When building packages, the output of the enclosing Make is sometimes mixed among the subprocess output. I have no idea why. As a hack filter out everything that is not a flag. """ return [e for e in elems if e.startswith('-')] def filter_args(self, args): """gnustep-config returns a bunch of garbage args such as -O2 and so on. Drop everything that is not needed. """ result = [] for f in args: if f.startswith('-D') \ or f.startswith('-f') \ or f.startswith('-I') \ or f == '-pthread' \ or (f.startswith('-W') and not f == '-Wall'): result.append(f) return result def detect_version(self): gmake = self.get_variable('GNUMAKE') makefile_dir = self.get_variable('GNUSTEP_MAKEFILES') # This Makefile has the GNUStep version set base_make = os.path.join(makefile_dir, 'Additional', 'base.make') # Print the Makefile variable passed as the argument. For instance, if # you run the make target `print-SOME_VARIABLE`, this will print the # value of the variable `SOME_VARIABLE`. printver = "print-%:\n\t@echo '$($*)'" env = os.environ.copy() # See base.make to understand why this is set env['FOUNDATION_LIB'] = 'gnu' p, o, e = Popen_safe([gmake, '-f', '-', '-f', base_make, 'print-GNUSTEP_BASE_VERSION'], env=env, write=printver, stdin=subprocess.PIPE) version = o.strip() if not version: mlog.debug("Couldn't detect GNUStep version, falling back to '1'") # Fallback to setting some 1.x version version = '1' return version def get_variable(self, var): p, o, e = Popen_safe([self.confprog, '--variable=' + var]) if p.returncode != 0 and self.required: raise DependencyException('{!r} for variable {!r} failed to run' ''.format(self.confprog, var)) return o.strip() class QtBaseDependency(ExternalDependency): def __init__(self, name, env, kwargs): super().__init__(name, env, 'cpp', kwargs) self.qtname = name.capitalize() self.qtver = name[-1] if self.qtver == "4": self.qtpkgname = 'Qt' else: self.qtpkgname = self.qtname self.root = '/usr' self.bindir = None mods = kwargs.get('modules', []) if isinstance(mods, str): mods = [mods] if not mods: raise DependencyException('No ' + self.qtname + ' modules specified.') type_text = 'cross' if env.is_cross_build() else 'native' found_msg = '{} {} {{}} dependency (modules: {}) found:' \ ''.format(self.qtname, type_text, ', '.join(mods)) from_text = 'pkg-config' # Keep track of the detection methods used, for logging purposes. methods = [] # Prefer pkg-config, then fallback to `qmake -query` if DependencyMethods.PKGCONFIG in self.methods: self._pkgconfig_detect(mods, kwargs) methods.append('pkgconfig') if not self.is_found and DependencyMethods.QMAKE in self.methods: from_text = self._qmake_detect(mods, kwargs) methods.append('qmake-' + self.name) methods.append('qmake') if not self.is_found: # Reset compile args and link args self.compile_args = [] self.link_args = [] from_text = '(checked {})'.format(mlog.format_list(methods)) self.version = 'none' if self.required: err_msg = '{} {} dependency not found {}' \ ''.format(self.qtname, type_text, from_text) raise DependencyException(err_msg) if not self.silent: mlog.log(found_msg.format(from_text), mlog.red('NO')) return from_text = '`{}`'.format(from_text) if not self.silent: mlog.log(found_msg.format(from_text), mlog.green('YES')) def compilers_detect(self): "Detect Qt (4 or 5) moc, uic, rcc in the specified bindir or in PATH" if self.bindir: moc = ExternalProgram(os.path.join(self.bindir, 'moc'), silent=True) uic = ExternalProgram(os.path.join(self.bindir, 'uic'), silent=True) rcc = ExternalProgram(os.path.join(self.bindir, 'rcc'), silent=True) else: # We don't accept unsuffixed 'moc', 'uic', and 'rcc' because they # are sometimes older, or newer versions. moc = ExternalProgram('moc-' + self.name, silent=True) uic = ExternalProgram('uic-' + self.name, silent=True) rcc = ExternalProgram('rcc-' + self.name, silent=True) return moc, uic, rcc def _pkgconfig_detect(self, mods, kwargs): # We set the value of required to False so that we can try the # qmake-based fallback if pkg-config fails. kwargs['required'] = False modules = OrderedDict() for module in mods: modules[module] = PkgConfigDependency(self.qtpkgname + module, self.env, kwargs) for m in modules.values(): if not m.found(): self.is_found = False return self.compile_args += m.get_compile_args() self.link_args += m.get_link_args() self.is_found = True self.version = m.version # Try to detect moc, uic, rcc if 'Core' in modules: core = modules['Core'] else: corekwargs = {'required': 'false', 'silent': 'true'} core = PkgConfigDependency(self.qtpkgname + 'Core', self.env, corekwargs) # Used by self.compilers_detect() self.bindir = self.get_pkgconfig_host_bins(core) if not self.bindir: # If exec_prefix is not defined, the pkg-config file is broken prefix = core.get_pkgconfig_variable('exec_prefix') if prefix: self.bindir = os.path.join(prefix, 'bin') def _find_qmake(self, qmake): # Even when cross-compiling, if we don't get a cross-info qmake, we # fallback to using the qmake in PATH because that's what we used to do if self.env.is_cross_build(): qmake = self.env.cross_info.config['binaries'].get('qmake', qmake) return ExternalProgram(qmake, silent=True) def _qmake_detect(self, mods, kwargs): for qmake in ('qmake-' + self.name, 'qmake'): self.qmake = self._find_qmake(qmake) if not self.qmake.found(): continue # Check that the qmake is for qt5 pc, stdo = Popen_safe(self.qmake.get_command() + ['-v'])[0:2] if pc.returncode != 0: continue if not 'Qt version ' + self.qtver in stdo: mlog.log('QMake is not for ' + self.qtname) continue # Found qmake for Qt5! break else: # Didn't find qmake :( self.is_found = False return self.version = re.search(self.qtver + '(\.\d+)+', stdo).group(0) # Query library path, header path, and binary path mlog.log("Found qmake:", mlog.bold(self.qmake.get_name()), '(%s)' % self.version) stdo = Popen_safe(self.qmake.get_command() + ['-query'])[1] qvars = {} for line in stdo.split('\n'): line = line.strip() if line == '': continue (k, v) = tuple(line.split(':', 1)) qvars[k] = v if mesonlib.is_osx(): return self._framework_detect(qvars, mods, kwargs) incdir = qvars['QT_INSTALL_HEADERS'] self.compile_args.append('-I' + incdir) libdir = qvars['QT_INSTALL_LIBS'] # Used by self.compilers_detect() self.bindir = self.get_qmake_host_bins(qvars) self.is_found = True for module in mods: mincdir = os.path.join(incdir, 'Qt' + module) self.compile_args.append('-I' + mincdir) if for_windows(self.env.is_cross_build(), self.env): is_debug = self.env.cmd_line_options.buildtype.startswith('debug') dbg = 'd' if is_debug else '' if self.qtver == '4': base_name = 'Qt' + module + dbg + '4' else: base_name = 'Qt5' + module + dbg libfile = os.path.join(libdir, base_name + '.lib') if not os.path.isfile(libfile): # MinGW can link directly to .dll libfile = os.path.join(self.bindir, base_name + '.dll') if not os.path.isfile(libfile): self.is_found = False break else: libfile = os.path.join(libdir, 'lib{}{}.so'.format(self.qtpkgname, module)) if not os.path.isfile(libfile): self.is_found = False break self.link_args.append(libfile) return qmake def _framework_detect(self, qvars, modules, kwargs): libdir = qvars['QT_INSTALL_LIBS'] for m in modules: fname = 'Qt' + m fwdep = ExtraFrameworkDependency(fname, False, libdir, self.env, self.language, kwargs) self.compile_args.append('-F' + libdir) if fwdep.found(): self.is_found = True self.compile_args += fwdep.get_compile_args() self.link_args += fwdep.get_link_args() # Used by self.compilers_detect() self.bindir = self.get_qmake_host_bins(qvars) def get_qmake_host_bins(self, qvars): # Prefer QT_HOST_BINS (qt5, correct for cross and native compiling) # but fall back to QT_INSTALL_BINS (qt4) if 'QT_HOST_BINS' in qvars: return qvars['QT_HOST_BINS'] else: return qvars['QT_INSTALL_BINS'] def get_methods(self): return [DependencyMethods.PKGCONFIG, DependencyMethods.QMAKE] def get_exe_args(self, compiler): # Originally this was -fPIE but nowadays the default # for upstream and distros seems to be -reduce-relocations # which requires -fPIC. This may cause a performance # penalty when using self-built Qt or on platforms # where -fPIC is not required. If this is an issue # for you, patches are welcome. return compiler.get_pic_args() class Qt4Dependency(QtBaseDependency): def __init__(self, env, kwargs): QtBaseDependency.__init__(self, 'qt4', env, kwargs) def get_pkgconfig_host_bins(self, core): # Only return one bins dir, because the tools are generally all in one # directory for Qt4, in Qt5, they must all be in one directory. Return # the first one found among the bin variables, in case one tool is not # configured to be built. applications = ['moc', 'uic', 'rcc', 'lupdate', 'lrelease'] for application in applications: try: return os.path.dirname(core.get_pkgconfig_variable('%s_location' % application)) except MesonException: pass class Qt5Dependency(QtBaseDependency): def __init__(self, env, kwargs): QtBaseDependency.__init__(self, 'qt5', env, kwargs) def get_pkgconfig_host_bins(self, core): return core.get_pkgconfig_variable('host_bins') # There are three different ways of depending on SDL2: # sdl2-config, pkg-config and OSX framework class SDL2Dependency(ExternalDependency): def __init__(self, environment, kwargs): super().__init__('sdl2', environment, None, kwargs) if DependencyMethods.PKGCONFIG in self.methods: try: kwargs['required'] = False pcdep = PkgConfigDependency('sdl2', environment, kwargs) if pcdep.found(): self.type_name = 'pkgconfig' self.is_found = True self.compile_args = pcdep.get_compile_args() self.link_args = pcdep.get_link_args() self.version = pcdep.get_version() return except Exception as e: mlog.debug('SDL 2 not found via pkgconfig. Trying next, error was:', str(e)) if DependencyMethods.SDLCONFIG in self.methods: sdlconf = shutil.which('sdl2-config') if sdlconf: stdo = Popen_safe(['sdl2-config', '--cflags'])[1] self.compile_args = stdo.strip().split() stdo = Popen_safe(['sdl2-config', '--libs'])[1] self.link_args = stdo.strip().split() stdo = Popen_safe(['sdl2-config', '--version'])[1] self.version = stdo.strip() self.is_found = True mlog.log('Dependency', mlog.bold('sdl2'), 'found:', mlog.green('YES'), self.version, '(%s)' % sdlconf) return mlog.debug('Could not find sdl2-config binary, trying next.') if DependencyMethods.EXTRAFRAMEWORK in self.methods: if mesonlib.is_osx(): fwdep = ExtraFrameworkDependency('sdl2', False, None, self.env, self.language, kwargs) if fwdep.found(): self.is_found = True self.compile_args = fwdep.get_compile_args() self.link_args = fwdep.get_link_args() self.version = '2' # FIXME return mlog.log('Dependency', mlog.bold('sdl2'), 'found:', mlog.red('NO')) def get_methods(self): if mesonlib.is_osx(): return [DependencyMethods.PKGCONFIG, DependencyMethods.SDLCONFIG, DependencyMethods.EXTRAFRAMEWORK] else: return [DependencyMethods.PKGCONFIG, DependencyMethods.SDLCONFIG] class WxDependency(ConfigToolDependency): tools = ['wx-config-3.0', 'wx-config'] tool_name = 'wx-config' def __init__(self, environment, kwargs): super().__init__('WxWidgets', environment, None, kwargs) if not self.is_found: return self.requested_modules = self.get_requested(kwargs) # wx-config seems to have a cflags as well but since it requires C++, # this should be good, at least for now. self.compile_args = self.get_config_value(['--cxxflags'], 'compile_args') self.link_args = self.get_config_value(['--libs'], 'link_args') def get_requested(self, kwargs): if 'modules' not in kwargs: return [] candidates = extract_as_list(kwargs, 'modules') for c in candidates: if not isinstance(c, str): raise DependencyException('wxwidgets module argument is not a string') return candidates class VulkanDependency(ExternalDependency): def __init__(self, environment, kwargs): super().__init__('vulkan', environment, None, kwargs) if DependencyMethods.PKGCONFIG in self.methods: try: pcdep = PkgConfigDependency('vulkan', environment, kwargs) if pcdep.found(): self.type_name = 'pkgconfig' self.is_found = True self.compile_args = pcdep.get_compile_args() self.link_args = pcdep.get_link_args() self.version = pcdep.get_version() return except Exception: pass if DependencyMethods.SYSTEM in self.methods: try: self.vulkan_sdk = os.environ['VULKAN_SDK'] if not os.path.isabs(self.vulkan_sdk): raise DependencyException('VULKAN_SDK must be an absolute path.') except KeyError: self.vulkan_sdk = None if self.vulkan_sdk: # TODO: this config might not work on some platforms, fix bugs as reported # we should at least detect other 64-bit platforms (e.g. armv8) lib_name = 'vulkan' if mesonlib.is_windows(): lib_name = 'vulkan-1' lib_dir = 'Lib32' inc_dir = 'Include' if detect_cpu({}) == 'x86_64': lib_dir = 'Lib' else: lib_name = 'vulkan' lib_dir = 'lib' inc_dir = 'include' # make sure header and lib are valid inc_path = os.path.join(self.vulkan_sdk, inc_dir) header = os.path.join(inc_path, 'vulkan', 'vulkan.h') lib_path = os.path.join(self.vulkan_sdk, lib_dir) find_lib = self.compiler.find_library(lib_name, environment, lib_path) if not find_lib: raise DependencyException('VULKAN_SDK point to invalid directory (no lib)') if not os.path.isfile(header): raise DependencyException('VULKAN_SDK point to invalid directory (no include)') self.type_name = 'vulkan_sdk' self.is_found = True self.compile_args.append('-I' + inc_path) self.link_args.append('-L' + lib_path) self.link_args.append('-l' + lib_name) # TODO: find a way to retrieve the version from the sdk? # Usually it is a part of the path to it (but does not have to be) self.version = '1' return else: # simply try to guess it, usually works on linux libs = self.compiler.find_library('vulkan', environment, []) if libs is not None and self.compiler.has_header('vulkan/vulkan.h', '', environment): self.type_name = 'system' self.is_found = True self.version = 1 # TODO for lib in libs: self.link_args.append(lib) return def get_methods(self): return [DependencyMethods.PKGCONFIG, DependencyMethods.SYSTEM]