diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0343801..1f9f49d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -39,6 +39,12 @@ if (WIN32)
 endif()
 
 include_directories(third_party/llvm/include)
+include_directories(third_party/swift/include)
+add_definitions(
+  -DLLVM_DISABLE_ABI_BREAKING_CHECKS_ENFORCING=1
+  -DSWIFT_SUPPORT_OLD_MANGLING=1
+  -DSWIFT_STDLIB_HAS_TYPE_PRINTING=1
+)
 add_executable(demumble
                demumble.cc
                third_party/llvm/lib/Demangle/Demangle.cpp
@@ -47,6 +53,17 @@ add_executable(demumble
                third_party/llvm/lib/Demangle/MicrosoftDemangle.cpp
                third_party/llvm/lib/Demangle/MicrosoftDemangleNodes.cpp
                third_party/llvm/lib/Demangle/RustDemangle.cpp
+               third_party/swift/lib/Demangling/Context.cpp
+               third_party/swift/lib/Demangling/CrashReporter.cpp
+               third_party/swift/lib/Demangling/Demangler.cpp
+               third_party/swift/lib/Demangling/Errors.cpp
+               third_party/swift/lib/Demangling/ManglingUtils.cpp
+               third_party/swift/lib/Demangling/NodeDumper.cpp
+               third_party/swift/lib/Demangling/NodePrinter.cpp
+               third_party/swift/lib/Demangling/OldDemangler.cpp
+               third_party/swift/lib/Demangling/OldRemangler.cpp
+               third_party/swift/lib/Demangling/Punycode.cpp
+               third_party/swift/lib/Demangling/Remangler.cpp
 )
 set_target_properties(demumble PROPERTIES CXX_STANDARD 17
                                           CXX_STANDARD_REQUIRED ON)