Update SConscript

src/cpp/SConscript

@@ -16,46 +16,6 @@ cppenv = env.Clone()
 
 headers = cppenv.Glob('*.h*')
 includes = cppenv.Install(os.path.join(cppenv['PREFIX'], "include", "clanglite"), headers)
-
-GchShAction = SCons.Action.Action('$GCHSHCOM', '$GCHSHCOMSTR')
-
-def gen_suffix(env, sources):
-     return sources[0].get_suffix() + env['GCHSUFFIX']
-
-GchShBuilder = SCons.Builder.Builder(action = GchShAction,
-                                     source_scanner = SCons.Scanner.C.CScanner(),
-                                     suffix = gen_suffix)
-
-def shared_pch_emitter(target,source,env):
-     SCons.Defaults.SharedObjectEmitter( target, source, env )
-
-     scanner = SCons.Scanner.C.CScanner()
-     path = scanner.path(env)
-     deps = scanner(source[0], env, path)
-
-     if env.get('GchSh'):
-         if env['GchSh'].path.strip('.gch') in [x.path for x in deps]:
-             env.Depends(target, env['GchSh'])
-     return (target, source)
-
-env.Append(BUILDERS = {
-         'gchsh': env.Builder(
-         action = GchShAction,
-         target_factory = env.fs.File,
-         ),
-         })
-
-bldsh = GchShBuilder
-env['BUILDERS']['GchSh'] = bldsh
-
-env['GCHSHCOM']   = '$CXX -o $TARGET -x c++-header -c $SHCXXFLAGS $_CCCOMCOM $SOURCE'
-env['GCHSUFFIX']  = '.gch'
-
-for suffix in SCons.Util.Split('.c .C .cc .cxx .cpp .c++'):
-    env['BUILDERS']['SharedObject'].add_emitter(suffix, shared_pch_emitter)
-
-env['GchSh'] = env.GchSh(includes)[0]
-
 Alias("cpp", includes)
 Alias("build", includes)