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356 lines
11 KiB
Python
356 lines
11 KiB
Python
#!/usr/bin/env python
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# encoding: utf-8
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# Ali Sabil, 2007
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# Radosław Szkodziński, 2010
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"""
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At this point, vala is still unstable, so do not expect
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this tool to be too stable either (apis, etc)
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"""
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import re
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from waflib import Build, Context, Errors, Logs, Node, Options, Task, Utils
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from waflib.TaskGen import extension, taskgen_method
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from waflib.Configure import conf
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class valac(Task.Task):
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"""
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Compiles vala files
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"""
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#run_str = "${VALAC} ${VALAFLAGS}" # ideally
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#vars = ['VALAC_VERSION']
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vars = ["VALAC", "VALAC_VERSION", "VALAFLAGS"]
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ext_out = ['.h']
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def run(self):
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cmd = self.env.VALAC + self.env.VALAFLAGS
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resources = getattr(self, 'vala_exclude', [])
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cmd.extend([a.abspath() for a in self.inputs if a not in resources])
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ret = self.exec_command(cmd, cwd=self.vala_dir_node.abspath())
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if ret:
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return ret
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if self.generator.dump_deps_node:
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self.generator.dump_deps_node.write('\n'.join(self.generator.packages))
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return ret
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@taskgen_method
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def init_vala_task(self):
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"""
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Initializes the vala task with the relevant data (acts as a constructor)
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"""
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self.profile = getattr(self, 'profile', 'gobject')
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self.packages = packages = Utils.to_list(getattr(self, 'packages', []))
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self.use = Utils.to_list(getattr(self, 'use', []))
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if packages and not self.use:
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self.use = packages[:] # copy
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if self.profile == 'gobject':
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if not 'GOBJECT' in self.use:
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self.use.append('GOBJECT')
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def addflags(flags):
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self.env.append_value('VALAFLAGS', flags)
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if self.profile:
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addflags('--profile=%s' % self.profile)
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valatask = self.valatask
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# output directory
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if hasattr(self, 'vala_dir'):
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if isinstance(self.vala_dir, str):
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valatask.vala_dir_node = self.path.get_bld().make_node(self.vala_dir)
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try:
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valatask.vala_dir_node.mkdir()
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except OSError:
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raise self.bld.fatal('Cannot create the vala dir %r' % valatask.vala_dir_node)
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else:
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valatask.vala_dir_node = self.vala_dir
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else:
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valatask.vala_dir_node = self.path.get_bld()
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addflags('--directory=%s' % valatask.vala_dir_node.abspath())
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if hasattr(self, 'thread'):
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if self.profile == 'gobject':
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if not 'GTHREAD' in self.use:
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self.use.append('GTHREAD')
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else:
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#Vala doesn't have threading support for dova nor posix
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Logs.warn('Profile %s means no threading support', self.profile)
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self.thread = False
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if self.thread:
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addflags('--thread')
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self.is_lib = 'cprogram' not in self.features
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if self.is_lib:
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addflags('--library=%s' % self.target)
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h_node = valatask.vala_dir_node.find_or_declare('%s.h' % self.target)
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valatask.outputs.append(h_node)
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addflags('--header=%s' % h_node.name)
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valatask.outputs.append(valatask.vala_dir_node.find_or_declare('%s.vapi' % self.target))
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if getattr(self, 'gir', None):
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gir_node = valatask.vala_dir_node.find_or_declare('%s.gir' % self.gir)
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addflags('--gir=%s' % gir_node.name)
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valatask.outputs.append(gir_node)
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self.vala_target_glib = getattr(self, 'vala_target_glib', getattr(Options.options, 'vala_target_glib', None))
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if self.vala_target_glib:
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addflags('--target-glib=%s' % self.vala_target_glib)
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addflags(['--define=%s' % x for x in Utils.to_list(getattr(self, 'vala_defines', []))])
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packages_private = Utils.to_list(getattr(self, 'packages_private', []))
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addflags(['--pkg=%s' % x for x in packages_private])
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def _get_api_version():
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api_version = '1.0'
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if hasattr(Context.g_module, 'API_VERSION'):
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version = Context.g_module.API_VERSION.split(".")
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if version[0] == "0":
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api_version = "0." + version[1]
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else:
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api_version = version[0] + ".0"
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return api_version
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self.includes = Utils.to_list(getattr(self, 'includes', []))
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valatask.install_path = getattr(self, 'install_path', '')
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valatask.vapi_path = getattr(self, 'vapi_path', '${DATAROOTDIR}/vala/vapi')
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valatask.pkg_name = getattr(self, 'pkg_name', self.env.PACKAGE)
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valatask.header_path = getattr(self, 'header_path', '${INCLUDEDIR}/%s-%s' % (valatask.pkg_name, _get_api_version()))
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valatask.install_binding = getattr(self, 'install_binding', True)
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self.vapi_dirs = vapi_dirs = Utils.to_list(getattr(self, 'vapi_dirs', []))
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#includes = []
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if hasattr(self, 'use'):
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local_packages = Utils.to_list(self.use)[:] # make sure to have a copy
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seen = []
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while len(local_packages) > 0:
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package = local_packages.pop()
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if package in seen:
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continue
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seen.append(package)
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# check if the package exists
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try:
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package_obj = self.bld.get_tgen_by_name(package)
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except Errors.WafError:
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continue
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# in practice the other task is already processed
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# but this makes it explicit
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package_obj.post()
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package_name = package_obj.target
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task = getattr(package_obj, 'valatask', None)
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if task:
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for output in task.outputs:
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if output.name == package_name + ".vapi":
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valatask.set_run_after(task)
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if package_name not in packages:
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packages.append(package_name)
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if output.parent not in vapi_dirs:
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vapi_dirs.append(output.parent)
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if output.parent not in self.includes:
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self.includes.append(output.parent)
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if hasattr(package_obj, 'use'):
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lst = self.to_list(package_obj.use)
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lst.reverse()
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local_packages = [pkg for pkg in lst if pkg not in seen] + local_packages
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addflags(['--pkg=%s' % p for p in packages])
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for vapi_dir in vapi_dirs:
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if isinstance(vapi_dir, Node.Node):
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v_node = vapi_dir
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else:
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v_node = self.path.find_dir(vapi_dir)
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if not v_node:
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Logs.warn('Unable to locate Vala API directory: %r', vapi_dir)
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else:
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addflags('--vapidir=%s' % v_node.abspath())
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self.dump_deps_node = None
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if self.is_lib and self.packages:
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self.dump_deps_node = valatask.vala_dir_node.find_or_declare('%s.deps' % self.target)
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valatask.outputs.append(self.dump_deps_node)
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if self.is_lib and valatask.install_binding:
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headers_list = [o for o in valatask.outputs if o.suffix() == ".h"]
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if headers_list:
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self.install_vheader = self.add_install_files(install_to=valatask.header_path, install_from=headers_list)
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vapi_list = [o for o in valatask.outputs if (o.suffix() in (".vapi", ".deps"))]
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if vapi_list:
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self.install_vapi = self.add_install_files(install_to=valatask.vapi_path, install_from=vapi_list)
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gir_list = [o for o in valatask.outputs if o.suffix() == '.gir']
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if gir_list:
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self.install_gir = self.add_install_files(
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install_to=getattr(self, 'gir_path', '${DATAROOTDIR}/gir-1.0'), install_from=gir_list)
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if hasattr(self, 'vala_resources'):
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nodes = self.to_nodes(self.vala_resources)
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valatask.vala_exclude = getattr(valatask, 'vala_exclude', []) + nodes
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valatask.inputs.extend(nodes)
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for x in nodes:
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addflags(['--gresources', x.abspath()])
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@extension('.vala', '.gs')
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def vala_file(self, node):
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"""
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Compile a vala file and bind the task to *self.valatask*. If an existing vala task is already set, add the node
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to its inputs. The typical example is::
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def build(bld):
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bld.program(
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packages = 'gtk+-2.0',
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target = 'vala-gtk-example',
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use = 'GTK GLIB',
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source = 'vala-gtk-example.vala foo.vala',
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vala_defines = ['DEBUG'] # adds --define=<xyz> values to the command-line
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# the following arguments are for libraries
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#gir = 'hello-1.0',
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#gir_path = '/tmp',
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#vapi_path = '/tmp',
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#pkg_name = 'hello'
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# disable installing of gir, vapi and header
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#install_binding = False
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# profile = 'xyz' # adds --profile=<xyz> to enable profiling
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# thread = True, # adds --thread, except if profile is on or not on 'gobject'
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# vala_target_glib = 'xyz' # adds --target-glib=<xyz>, can be given through the command-line option --vala-target-glib=<xyz>
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)
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:param node: vala file
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:type node: :py:class:`waflib.Node.Node`
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"""
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try:
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valatask = self.valatask
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except AttributeError:
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valatask = self.valatask = self.create_task('valac')
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self.init_vala_task()
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valatask.inputs.append(node)
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name = node.name[:node.name.rfind('.')] + '.c'
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c_node = valatask.vala_dir_node.find_or_declare(name)
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valatask.outputs.append(c_node)
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self.source.append(c_node)
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@extension('.vapi')
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def vapi_file(self, node):
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try:
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valatask = self.valatask
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except AttributeError:
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valatask = self.valatask = self.create_task('valac')
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self.init_vala_task()
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valatask.inputs.append(node)
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@conf
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def find_valac(self, valac_name, min_version):
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"""
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Find the valac program, and execute it to store the version
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number in *conf.env.VALAC_VERSION*
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:param valac_name: program name
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:type valac_name: string or list of string
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:param min_version: minimum version acceptable
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:type min_version: tuple of int
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"""
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valac = self.find_program(valac_name, var='VALAC')
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try:
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output = self.cmd_and_log(valac + ['--version'])
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except Errors.WafError:
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valac_version = None
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else:
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ver = re.search(r'\d+.\d+.\d+', output).group().split('.')
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valac_version = tuple([int(x) for x in ver])
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self.msg('Checking for %s version >= %r' % (valac_name, min_version),
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valac_version, valac_version and valac_version >= min_version)
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if valac and valac_version < min_version:
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self.fatal("%s version %r is too old, need >= %r" % (valac_name, valac_version, min_version))
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self.env.VALAC_VERSION = valac_version
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return valac
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@conf
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def check_vala(self, min_version=(0,8,0), branch=None):
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"""
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Check if vala compiler from a given branch exists of at least a given
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version.
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:param min_version: minimum version acceptable (0.8.0)
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:type min_version: tuple
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:param branch: first part of the version number, in case a snapshot is used (0, 8)
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:type branch: tuple of int
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"""
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if self.env.VALA_MINVER:
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min_version = self.env.VALA_MINVER
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if self.env.VALA_MINVER_BRANCH:
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branch = self.env.VALA_MINVER_BRANCH
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if not branch:
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branch = min_version[:2]
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try:
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find_valac(self, 'valac-%d.%d' % (branch[0], branch[1]), min_version)
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except self.errors.ConfigurationError:
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find_valac(self, 'valac', min_version)
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@conf
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def check_vala_deps(self):
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"""
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Load the gobject and gthread packages if they are missing.
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"""
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if not self.env.HAVE_GOBJECT:
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pkg_args = {'package': 'gobject-2.0',
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'uselib_store': 'GOBJECT',
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'args': '--cflags --libs'}
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if getattr(Options.options, 'vala_target_glib', None):
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pkg_args['atleast_version'] = Options.options.vala_target_glib
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self.check_cfg(**pkg_args)
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if not self.env.HAVE_GTHREAD:
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pkg_args = {'package': 'gthread-2.0',
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'uselib_store': 'GTHREAD',
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'args': '--cflags --libs'}
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if getattr(Options.options, 'vala_target_glib', None):
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pkg_args['atleast_version'] = Options.options.vala_target_glib
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self.check_cfg(**pkg_args)
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def configure(self):
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"""
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Use the following to enforce minimum vala version::
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def configure(conf):
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conf.env.VALA_MINVER = (0, 10, 0)
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conf.load('vala')
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"""
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self.load('gnu_dirs')
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self.check_vala_deps()
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self.check_vala()
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self.add_os_flags('VALAFLAGS')
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self.env.append_unique('VALAFLAGS', ['-C'])
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def options(opt):
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"""
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Load the :py:mod:`waflib.Tools.gnu_dirs` tool and add the ``--vala-target-glib`` command-line option
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"""
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opt.load('gnu_dirs')
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valaopts = opt.add_option_group('Vala Compiler Options')
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valaopts.add_option('--vala-target-glib', default=None,
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dest='vala_target_glib', metavar='MAJOR.MINOR',
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help='Target version of glib for Vala GObject code generation')
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