diff --git a/3rdparty/dtl/CMakeLists.txt b/3rdparty/dtl/CMakeLists.txt
new file mode 100644
index 0000000000..d1c5f4c003
--- /dev/null
+++ b/3rdparty/dtl/CMakeLists.txt
@@ -0,0 +1,23 @@
+cmake_minimum_required(VERSION 3.1)
+
+set(LYX_IPO_SUPPORTED FALSE)
+if (POLICY CMP0069)
+  cmake_policy(SET CMP0069 NEW)
+  if (LYX_USE_IPO MATCHES "ON")
+    set(LYX_IPO_SUPPORTED YES)
+  endif()
+endif()
+if (POLICY CMP0075)
+  cmake_policy(SET CMP0075 NEW)
+endif()
+
+set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS ON)
+
+project(dt2dv C)
+
+if (WIN32)
+  #set_source_files_properties(dt2dv.c dv2dt.c PROPERTIES LANGUAGE C COMPILE_FLAGS _CRT_SECURE_NO_WARNINGS)
+endif()
+add_executable(dt2dv dt2dv.c)
+add_executable(dv2dt dv2dt.c)
+install(TARGETS dv2dt dt2dv DESTINATION ${LYX_UTILITIES_INSTALL_PATH})
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 72a8cd7215..cf1c930cc7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -151,6 +151,7 @@ LYX_COMBO(USE_IPO           "Interprocedural optimization" OFF AUTO ON)
 #LYX_OPTION(3RDPARTY_BUILD   "Build 3rdparty libs" OFF ALL)
 LYX_OPTION(DISABLE_CALLSTACK_PRINTING "do not print a callstack when crashing" OFF ALL)
 LYX_OPTION(EXTERNAL_Z       "OFF := Build 3rdparty lib zlib" ON ALL)
+LYX_OPTION(EXTERNAL_DTL     "OFF := Build 3rdparty commands dt2dv and dv2dt" ON ALL)
 LYX_OPTION(EXTERNAL_ICONV   "OFF := Build 3rdparty lib iconvlib" ON ALL)
 LYX_OPTION(EXTERNAL_HUNSPELL "OFF := Build 3rdparty lib hunspelllib" ON ALL)
 LYX_COMBO(EXTERNAL_MYTHES   "OFF := Build 3rdparty lib mytheslib" AUTO OFF ON)
@@ -880,6 +881,10 @@ else()
   add_subdirectory(3rdparty/zlib)
 endif()
 
+if(NOT LYX_EXTERNAL_DTL)
+  add_subdirectory(3rdparty/dtl)
+endif()
+
 if(LYX_USE_STD_REGEX)
   # Set only include path.
   # Use internal boost, which is known to exist