diff -up shaderc-34c412f21f945f4ef6ed4453f8b5dc4bb9d739e4/CMakeLists.txt.unbundle shaderc-34c412f21f945f4ef6ed4453f8b5dc4bb9d739e4/CMakeLists.txt
--- shaderc-34c412f21f945f4ef6ed4453f8b5dc4bb9d739e4/CMakeLists.txt.unbundle	2019-06-10 00:30:41.954316517 +0200
+++ shaderc-34c412f21f945f4ef6ed4453f8b5dc4bb9d739e4/CMakeLists.txt	2019-06-10 01:10:11.672758769 +0200
@@ -70,7 +70,6 @@ endif(MSVC)
 
 # Configure subdirectories.
 # We depend on these for later projects, so they should come first.
-add_subdirectory(third_party)
 
 if(SHADERC_ENABLE_SPVC)
 add_subdirectory(libshaderc_spvc)
@@ -81,12 +80,6 @@ add_subdirectory(libshaderc)
 add_subdirectory(glslc)
 add_subdirectory(examples)
 
-add_custom_target(build-version
-  ${PYTHON_EXECUTABLE}
-  ${CMAKE_CURRENT_SOURCE_DIR}/utils/update_build_version.py
-  ${shaderc_SOURCE_DIR} ${spirv-tools_SOURCE_DIR} ${glslang_SOURCE_DIR}
-  COMMENT "Update build-version.inc in the Shaderc build directory (if necessary).")
-
 function(define_pkg_config_file NAME LIBS)
   add_custom_target(${NAME}-pkg-config ALL
     COMMAND ${CMAKE_COMMAND}