diff -Naur external_dpcpp.orig/sycl/source/CMakeLists.txt external_dpcpp/sycl/source/CMakeLists.txt
--- external_dpcpp.orig/sycl/source/CMakeLists.txt      2022-05-20 04:19:45.067771362 +0000
+++ external_dpcpp/sycl/source/CMakeLists.txt   2022-05-20 04:21:49.708025048 +0000
@@ -66,10 +66,10 @@
     target_compile_options(${LIB_OBJ_NAME} PUBLIC
                            -fvisibility=hidden -fvisibility-inlines-hidden)
     set(linker_script "${CMAKE_CURRENT_SOURCE_DIR}/ld-version-script.txt")
-    set(abi_linker_script "${CMAKE_CURRENT_SOURCE_DIR}/abi_replacements_linux.txt")
-    target_link_libraries(
-      ${LIB_NAME} PRIVATE "-Wl,${abi_linker_script}")
-    set_target_properties(${LIB_NAME} PROPERTIES LINK_DEPENDS ${abi_linker_script})
+#    set(abi_linker_script "${CMAKE_CURRENT_SOURCE_DIR}/abi_replacements_linux.txt")
+#    target_link_libraries(
+#      ${LIB_NAME} PRIVATE "-Wl,${abi_linker_script}")
+#    set_target_properties(${LIB_NAME} PROPERTIES LINK_DEPENDS ${abi_linker_script})
     target_link_libraries(
         ${LIB_NAME} PRIVATE "-Wl,--version-script=${linker_script}")
     set_target_properties(${LIB_NAME} PROPERTIES LINK_DEPENDS ${linker_script})
diff -Naur llvm-sycl-nightly-20220501.orig\opencl/CMakeLists.txt llvm-sycl-nightly-20220501\opencl/CMakeLists.txt
--- llvm-sycl-nightly-20220501.orig/opencl/CMakeLists.txt       2022-04-29 13:47:11 -0600
+++ llvm-sycl-nightly-20220501/opencl/CMakeLists.txt    2022-05-21 15:25:06 -0600
@@ -11,6 +11,11 @@
   )
 endif()

+# Blender code below is determined to use FetchContent_Declare
+# temporarily allow it (but feed it our downloaded tarball
+# in the OpenCL_HEADERS variable
+set(FETCHCONTENT_FULLY_DISCONNECTED OFF)
+
 # Repo URLs

 set(OCL_HEADERS_REPO
@@ -77,5 +82,6 @@

 FetchContent_MakeAvailable(ocl-icd)
 add_library(OpenCL-ICD ALIAS OpenCL)
+set(FETCHCONTENT_FULLY_DISCONNECTED ON)

 add_subdirectory(opencl-aot)
diff -Naur llvm-sycl-nightly-20220208.orig/libdevice/cmake/modules/SYCLLibdevice.cmake llvm-sycl-nightly-20220208/libdevice/cmake/modules/SYCLLibdevice.cmake
--- llvm-sycl-nightly-20220208.orig/libdevice/cmake/modules/SYCLLibdevice.cmake	2022-02-08 09:17:24 -0700
+++ llvm-sycl-nightly-20220208/libdevice/cmake/modules/SYCLLibdevice.cmake	2022-05-24 11:35:51 -0600
@@ -36,7 +36,9 @@
 add_custom_target(libsycldevice-obj)
 add_custom_target(libsycldevice-spv)
 
-add_custom_target(libsycldevice DEPENDS
+# Blender: add ALL here otherwise this target will not build
+# and cause an error due to missing files during the install phase.
+add_custom_target(libsycldevice ALL DEPENDS
   libsycldevice-obj
   libsycldevice-spv)