config.substitutions.append( ('%clang', ' ' + config.clang + ' ') )
config.substitutions.append( ('%test_debuginfo', ' ' + config.llvm_src_root + '/utils/test_debuginfo.pl ') )
config.substitutions.append( ('%itanium_abi_triple', makeItaniumABITriple(config.target_triple)) )
+config.substitutions.append( ('%itanium_abi_host_triple', makeItaniumABITriple(config.host_triple)) )
config.substitutions.append( ('%ms_abi_triple', makeMSABITriple(config.target_triple)) )
# FIXME: Find nicer way to prohibit this.