mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-09-20 15:01:58 +00:00
dde45f75da
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@14139 a592a061-630c-0410-9148-cb99ea01b6c8
374 lines
11 KiB
Python
374 lines
11 KiB
Python
import re
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import os.path
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import SCons.Defaults
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import SCons.Tool
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import SCons.Util
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class ToolQtWarning(SCons.Warnings.Warning):
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pass
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class GeneratedMocFileNotIncluded(ToolQtWarning):
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pass
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class QtdirNotFound(ToolQtWarning):
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pass
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SCons.Warnings.enableWarningClass(ToolQtWarning)
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qrcinclude_re = re.compile(r'<file>([^<]*)</file>', re.M)
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header_extensions = [".h", ".hxx", ".hpp", ".hh"]
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if SCons.Util.case_sensitive_suffixes('.h', '.H'):
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header_extensions.append('.H')
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#cplusplus = __import__('c++', globals(), locals(), ['Scons.Tools'])
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#cxx_suffixes = cplusplus.CXXSuffixes
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cxx_suffixes = [".C", ".c", ".cxx", ".cpp", ".cc"]
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def _checkMocIncluded(target, source, env):
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moc = target[0]
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cpp = source[0]
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# looks like cpp.includes is cleared before the build stage :-(
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# not really sure about the path transformations (moc.cwd? cpp.cwd?) :-/
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path = SCons.Defaults.CScan.path_function(env, moc.cwd)
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includes = SCons.Defaults.CScan(cpp, env, path)
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if not moc in includes:
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SCons.Warnings.warn(
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GeneratedMocFileNotIncluded,
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"Generated moc file '%s' is not included by '%s'" %
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(str(moc), str(cpp)))
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def _find_file(filename, paths, node_factory):
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retval = None
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for dir in paths:
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node = node_factory(filename, dir)
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if node.rexists():
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return node
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return None
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class _Automoc:
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"""
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Callable class, which works as an emitter for Programs, SharedLibraries and
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StaticLibraries.
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"""
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def __init__(self, objBuilderName):
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self.objBuilderName = objBuilderName
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def __call__(self, target, source, env):
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"""
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Smart autoscan function. Gets the list of objects for the Program
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or Lib. Adds objects and builders for the special qt files.
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"""
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try:
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if int(env.subst('$QT_AUTOSCAN')) == 0:
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return target, source
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except ValueError:
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pass
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try:
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debug = int(env.subst('$QT_DEBUG'))
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except ValueError:
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debug = 0
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# some shortcuts used in the scanner
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FS = SCons.Node.FS.default_fs
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splitext = SCons.Util.splitext
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objBuilder = getattr(env, self.objBuilderName)
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# some regular expressions:
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# Q_OBJECT detection
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q_object_search = re.compile(r'[^A-Za-z0-9]Q_OBJECT[^A-Za-z0-9]')
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# cxx and c comment 'eater'
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#comment = re.compile(r'(//.*)|(/\*(([^*])|(\*[^/]))*\*/)')
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# CW: something must be wrong with the regexp. See also bug #998222
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# CURRENTLY THERE IS NO TEST CASE FOR THAT
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# The following is kind of hacky to get builders working properly (FIXME)
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objBuilderEnv = objBuilder.env
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objBuilder.env = env
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mocBuilderEnv = env.Moc4.env
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env.Moc4.env = env
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# make a deep copy for the result; MocH objects will be appended
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out_sources = source[:]
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for obj in source:
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if not obj.has_builder():
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# binary obj file provided
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if debug:
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print "scons: qt: '%s' seems to be a binary. Discarded." % str(obj)
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continue
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cpp = obj.sources[0]
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if not splitext(str(cpp))[1] in cxx_suffixes:
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if debug:
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print "scons: qt: '%s' is no cxx file. Discarded." % str(cpp)
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# c or fortran source
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continue
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#cpp_contents = comment.sub('', cpp.get_contents())
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cpp_contents = cpp.get_contents()
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h=None
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for h_ext in header_extensions:
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# try to find the header file in the corresponding source
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# directory
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hname = splitext(cpp.name)[0] + h_ext
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h = _find_file(hname,
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(cpp.get_dir(),),
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FS.File)
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if h:
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if debug:
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print "scons: qt: Scanning '%s' (header of '%s')" % (str(h), str(cpp))
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#h_contents = comment.sub('', h.get_contents())
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h_contents = h.get_contents()
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break
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if not h and debug:
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print "scons: qt: no header for '%s'." % (str(cpp))
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if h and q_object_search.search(h_contents):
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# h file with the Q_OBJECT macro found -> add moc_cpp
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moc_cpp = env.Moc4(h)
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moc_o = objBuilder(moc_cpp)
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out_sources.append(moc_o)
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#moc_cpp.target_scanner = SCons.Defaults.CScan
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if debug:
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print "scons: qt: found Q_OBJECT macro in '%s', moc'ing to '%s'" % (str(h), str(moc_cpp))
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if cpp and q_object_search.search(cpp_contents):
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# cpp file with Q_OBJECT macro found -> add moc
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# (to be included in cpp)
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moc = env.Moc4(cpp)
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env.Ignore(moc, moc)
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if debug:
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print "scons: qt: found Q_OBJECT macro in '%s', moc'ing to '%s'" % (str(cpp), str(moc))
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#moc.source_scanner = SCons.Defaults.CScan
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# restore the original env attributes (FIXME)
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objBuilder.env = objBuilderEnv
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env.Moc4.env = mocBuilderEnv
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return (target, out_sources)
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AutomocShared = _Automoc('SharedObject')
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AutomocStatic = _Automoc('StaticObject')
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def _detect(env):
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"""Not really safe, but fast method to detect the QT library"""
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QTDIR = env.get('QTDIR',None)
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if QTDIR!=None : return QTDIR
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QTDIR = os.environ.get('QTDIR',None)
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if QTDIR!=None : return QTDIR
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moc = env.WhereIs('moc-qt4') or env.WhereIs('moc')
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if moc:
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SCons.Warnings.warn(
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QtdirNotFound,
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"QTDIR variable is not defined, using moc executable as a hint (QTDIR=%s)" % QTDIR)
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return os.path.dirname(os.path.dirname(moc))
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SCons.Warnings.warn(
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QtdirNotFound,
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"Could not detect qt, using empty QTDIR")
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return None
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def generate(env):
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"""Add Builders and construction variables for qt to an Environment."""
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print "Loading qt4 tool..."
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def locateQt4Command(env, command, qtdir) :
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fullpath1 = os.path.join(qtdir,'bin',command +'-qt4')
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if os.access(fullpath1, os.X_OK) or \
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os.access(fullpath1+".exe", os.X_OK):
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return fullpath1
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fullpath2 = os.path.join(qtdir,'bin',command)
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if os.access(fullpath2, os.X_OK) or \
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os.access(fullpath2+".exe", os.X_OK):
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return fullpath2
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fullpath = env.Detect([command+'-qt4', command])
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if not (fullpath is None) : return fullpath
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raise "Qt4 command '" + command + "' not found. Tried: " + fullpath1 + " and "+ fullpath2
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CLVar = SCons.Util.CLVar
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Action = SCons.Action.Action
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Builder = SCons.Builder.Builder
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splitext = SCons.Util.splitext
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# the basics
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env['QTDIR'] = _detect(env)
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env['QT4_MOC'] = locateQt4Command(env,'moc', env['QTDIR'])
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env['QT4_UIC'] = locateQt4Command(env,'uic', env['QTDIR'])
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env['QT4_RCC'] = locateQt4Command(env,'rcc', env['QTDIR'])
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env['QT4_LUPDATE'] = locateQt4Command(env,'lupdate', env['QTDIR'])
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env['QT4_LRELEASE'] = locateQt4Command(env,'lrelease', env['QTDIR'])
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# Should the qt tool try to figure out, which sources are to be moc'ed ?
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env['QT4_AUTOSCAN'] = 1
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# Some QT specific flags. I don't expect someone wants to
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# manipulate those ...
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env['QT4_UICDECLFLAGS'] = CLVar('')
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env['QT4_MOCFROMHFLAGS'] = CLVar('')
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env['QT4_MOCFROMCXXFLAGS'] = CLVar('-i')
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env['QT4_QRCFLAGS'] = ''
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# suffixes/prefixes for the headers / sources to generate
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env['QT4_MOCHPREFIX'] = ''
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env['QT4_MOCHSUFFIX'] = '$CXXFILESUFFIX'
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env['QT4_MOCCXXPREFIX'] = 'moc_'
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env['QT4_MOCCXXSUFFIX'] = '.moc'
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env['QT4_UISUFFIX'] = '.ui'
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env['QT4_UICDECLPREFIX'] = 'ui_'
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env['QT4_UICDECLSUFFIX'] = '.h'
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env['QT4_QRCSUFFIX'] = '.qrc',
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env['QT4_QRCCXXSUFFIX'] = '$CXXFILESUFFIX'
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env['QT4_QRCCXXPREFIX'] = 'qrc_'
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env['QT4_LIB'] = '' # KLUDGE to avoid linking qt3 library
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# Translation builder
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tsbuilder = Builder(
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action ='$QT4_LUPDATE $SOURCES -ts $TARGETS',
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multi=1
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)
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env.Append( BUILDERS = { 'Ts': tsbuilder } )
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qmbuilder = Builder(
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action =[
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'$QT4_LRELEASE $SOURCE',
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],
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src_suffix = '.ts',
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suffix = '.qm',
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single_source = True
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)
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env.Append( BUILDERS = { 'Qm': qmbuilder } )
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# Resource builder
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def scanResources(node, env, path, arg):
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contents = node.get_contents()
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includes = qrcinclude_re.findall(contents)
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return includes
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qrcscanner = env.Scanner(name = 'qrcfile',
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function = scanResources,
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argument = None,
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skeys = ['.qrc'])
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qrcbuilder = Builder(
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action ='$QT4_RCC $QT4_QRCFLAGS $SOURCE -o $TARGET',
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source_scanner = qrcscanner,
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src_suffix = '$QT4_QRCSUFFIX',
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suffix = '$QT4_QRCCXXSUFFIX',
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prefix = '$QT4_QRCCXXPREFIX',
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single_source = True
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)
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env.Append( BUILDERS = { 'Qrc': qrcbuilder } )
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# Interface builder
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#env['QT4_UIC4COM'] = [
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# CLVar('$QT4_UIC $QT4_UICDECLFLAGS -o ${TARGETS[0]} $SOURCE'),
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# ]
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env['QT4_UIC4COM'] = '$QT4_UIC -o $TARGET $SOURCE'
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uic4builder = Builder(
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action='$QT4_UIC4COM',
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src_suffix='$QT4_UISUFFIX',
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suffix='$QT4_UICDECLSUFFIX',
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#prefix='$QT4_UICDECLPREFIX',
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single_source = True
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)
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env.Append( BUILDERS = { 'Uic4': uic4builder } )
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# Metaobject builder
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env['QT4_MOCFROMHCOM'] = (
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'$QT4_MOC $QT4_MOCFROMHFLAGS -o ${TARGETS[0]} $SOURCE')
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env['QT4_MOCFROMCXXCOM'] = [
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CLVar('$QT4_MOC $QT4_MOCFROMCXXFLAGS -o ${TARGETS[0]} $SOURCE'),
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Action(_checkMocIncluded,None)]
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mocBld = Builder(action={}, prefix={}, suffix={})
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for h in header_extensions:
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mocBld.add_action(h, '$QT4_MOCFROMHCOM')
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mocBld.prefix[h] = '$QT4_MOCHPREFIX'
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mocBld.suffix[h] = '$QT4_MOCHSUFFIX'
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for cxx in cxx_suffixes:
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mocBld.add_action(cxx, '$QT4_MOCFROMCXXCOM')
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mocBld.prefix[cxx] = '$QT4_MOCCXXPREFIX'
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mocBld.suffix[cxx] = '$QT4_MOCCXXSUFFIX'
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env.Append( BUILDERS = { 'Moc4': mocBld } )
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# er... no idea what that was for
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static_obj, shared_obj = SCons.Tool.createObjBuilders(env)
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static_obj.src_builder.append('Uic4')
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shared_obj.src_builder.append('Uic4')
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# We use the emitters of Program / StaticLibrary / SharedLibrary
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# to scan for moc'able files
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# We can't refer to the builders directly, we have to fetch them
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# as Environment attributes because that sets them up to be called
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# correctly later by our emitter.
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env.AppendUnique(PROGEMITTER =[AutomocStatic],
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SHLIBEMITTER=[AutomocShared],
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LIBEMITTER =[AutomocStatic],
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# Of course, we need to link against the qt libraries
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CPPPATH=[os.path.join('$QTDIR', 'include')],
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LIBPATH=[os.path.join('$QTDIR', 'lib')],
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LIBS=['$QT4_LIB'])
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import new
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method = new.instancemethod(enable_modules, env, SCons.Environment)
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env.EnableQt4Modules=method
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def enable_modules(self, modules, debug=False) :
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import sys
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validModules = [
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'QtCore',
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'QtGui',
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'QtOpenGL',
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'Qt3Support',
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# The next modules have not been tested yet so, please
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# maybe they require additional work on non Linux platforms
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'QtSql',
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'QtNetwork',
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'QtSvg',
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'QtTest',
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'QtXml',
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'QtUiTools',
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]
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pclessModules = [
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'QtUiTools',
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'QtUiTools_debug',
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]
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invalidModules=[]
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for module in modules:
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if module not in validModules :
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invalidModules.append(module)
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if invalidModules :
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raise "Modules %s are not Qt4 modules. Valid Qt4 modules are: %s"% \
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(str(invalidModules),str(validModules))
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# TODO: Check whether we should add QT_CORE_LIB, QT_XML_LIB, QT_NETWORK_LIB...
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if 'QtGui' in modules:
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self.AppendUnique(CPPFLAGS='-DQT_GUI_LIB')
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if sys.platform == "linux2" :
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if debug : modules = [module+"_debug" for module in modules]
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for module in modules :
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if module in pclessModules :
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# self.AppendUnique(LIBS=[module])
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self.AppendUnique(LIBPATH=[os.path.join(self["QTDIR"],"lib",module)])
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self.AppendUnique(CPPPATH=[os.path.join(self["QTDIR"],"include","qt4",module)])
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modules.remove(module)
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self.ParseConfig('PKG_CONFIG_PATH=%s/lib pkg-config %s --libs --cflags'%
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(
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self['QTDIR'],
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' '.join(modules)))
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return
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if sys.platform == "win32" :
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if debug : debugSuffix = 'd'
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else : debugSuffix = ''
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self.AppendUnique(LIBS=[lib+'4'+debugSuffix for lib in modules])
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if 'QtOpenGL' in modules:
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self.AppendUnique(LIBS=['opengl32'])
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self.AppendUnique(CPPPATH=[ '$QTDIR/include/'+module
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for module in modules])
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self.AppendUnique(LIBPATH=['$QTDIR/lib'])
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def exists(env):
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return _detect(env)
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