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diff --git a/engine/SCons/Tool/wix.py b/engine/SCons/Tool/wix.py
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+"""SCons.Tool.wix
+
+Tool-specific initialization for wix, the Windows Installer XML Tool.
+
+There normally shouldn't be any need to import this module directly.
+It will usually be imported through the generic SCons.Tool.Tool()
+selection method.
+"""
+
+#
+# Copyright (c) 2001 - 2014 The SCons Foundation
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "src/engine/SCons/Tool/wix.py 2014/09/27 12:51:43 garyo"
+
+import SCons.Builder
+import SCons.Action
+import os
+
+def generate(env):
+ """Add Builders and construction variables for WiX to an Environment."""
+ if not exists(env):
+ return
+
+ env['WIXCANDLEFLAGS'] = ['-nologo']
+ env['WIXCANDLEINCLUDE'] = []
+ env['WIXCANDLECOM'] = '$WIXCANDLE $WIXCANDLEFLAGS -I $WIXCANDLEINCLUDE -o ${TARGET} ${SOURCE}'
+
+ env['WIXLIGHTFLAGS'].append( '-nologo' )
+ env['WIXLIGHTCOM'] = "$WIXLIGHT $WIXLIGHTFLAGS -out ${TARGET} ${SOURCES}"
+ env['WIXSRCSUF'] = '.wxs'
+ env['WIXOBJSUF'] = '.wixobj'
+
+ object_builder = SCons.Builder.Builder(
+ action = '$WIXCANDLECOM',
+ suffix = '$WIXOBJSUF',
+ src_suffix = '$WIXSRCSUF')
+
+ linker_builder = SCons.Builder.Builder(
+ action = '$WIXLIGHTCOM',
+ src_suffix = '$WIXOBJSUF',
+ src_builder = object_builder)
+
+ env['BUILDERS']['WiX'] = linker_builder
+
+def exists(env):
+ env['WIXCANDLE'] = 'candle.exe'
+ env['WIXLIGHT'] = 'light.exe'
+
+ # try to find the candle.exe and light.exe tools and
+ # add the install directory to light libpath.
+ for path in os.environ['PATH'].split(os.pathsep):
+ if not path:
+ continue
+
+ # workaround for some weird python win32 bug.
+ if path[0] == '"' and path[-1:]=='"':
+ path = path[1:-1]
+
+ # normalize the path
+ path = os.path.normpath(path)
+
+ # search for the tools in the PATH environment variable
+ try:
+ files = os.listdir(path)
+ if env['WIXCANDLE'] in files and env['WIXLIGHT'] in files:
+ env.PrependENVPath('PATH', path)
+ # include appropriate flags if running WiX 2.0
+ if 'wixui.wixlib' in files and 'WixUI_en-us.wxl' in files:
+ env['WIXLIGHTFLAGS'] = [ os.path.join( path, 'wixui.wixlib' ),
+ '-loc',
+ os.path.join( path, 'WixUI_en-us.wxl' ) ]
+ else:
+ env['WIXLIGHTFLAGS'] = []
+ return 1
+ except OSError:
+ pass # ignore this, could be a stale PATH entry.
+
+ return None
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4: