--- a/CMakeLists.txt	2022-05-17 20:26:04.765047673 +0200
+++ b/CMakeLists.txt	2022-05-17 20:27:51.513583722 +0200
@@ -123,7 +123,7 @@
   CACHE PATH "Confu-style dependencies binary directory")
 
 IF(NNPACK_BACKEND STREQUAL "x86-64")
-  IF(NOT DEFINED PYTHON_SIX_SOURCE_DIR)
+  IF(FALSE)
     MESSAGE(STATUS "Downloading six (Python package) to ${CONFU_DEPENDENCIES_SOURCE_DIR}/six (define PYTHON_SIX_SOURCE_DIR to avoid it)")
     CONFIGURE_FILE(cmake/DownloadSix.cmake "${CONFU_DEPENDENCIES_BINARY_DIR}/six-download/CMakeLists.txt")
     EXECUTE_PROCESS(COMMAND "${CMAKE_COMMAND}" -G "${CMAKE_GENERATOR}" .
@@ -133,7 +133,7 @@
     SET(PYTHON_SIX_SOURCE_DIR "${CONFU_DEPENDENCIES_SOURCE_DIR}/six" CACHE STRING "six (Python package) source directory")
   ENDIF()
 
-  IF(NOT DEFINED PYTHON_ENUM_SOURCE_DIR)
+  IF(FALSE)
     IF(${PYTHON_VERSION_STRING} VERSION_LESS 3.4)
       # ---[ Python < 3.4 does not natively support enums, and needs a polyfill
       MESSAGE(STATUS "Downloading enum (Python package) to ${CONFU_DEPENDENCIES_SOURCE_DIR}/enum (define PYTHON_ENUM_SOURCE_DIR to avoid it)")
@@ -148,7 +148,7 @@
     ENDIF()
   ENDIF()
 
-  IF(NOT DEFINED PYTHON_PEACHPY_SOURCE_DIR)
+  IF(FALSE)
     # ---[ PeachPy requires Opcodes for installation
     IF(NOT DEFINED PYTHON_OPCODES_SOURCE_DIR)
       MESSAGE(STATUS "Downloading opcodes (Python package) to ${CONFU_DEPENDENCIES_SOURCE_DIR}/opcodes (define PYTHON_OPCODES_SOURCE_DIR to avoid it)")
@@ -177,7 +177,7 @@
   ENDIF()
 ENDIF()
 
-IF(NOT DEFINED CPUINFO_SOURCE_DIR)
+IF(FALSE)
   MESSAGE(STATUS "Downloading cpuinfo to ${CONFU_DEPENDENCIES_SOURCE_DIR}/cpuinfo (define CPUINFO_SOURCE_DIR to avoid it)")
   CONFIGURE_FILE(cmake/DownloadCpuinfo.cmake "${CONFU_DEPENDENCIES_BINARY_DIR}/cpuinfo-download/CMakeLists.txt")
   EXECUTE_PROCESS(COMMAND "${CMAKE_COMMAND}" -G "${CMAKE_GENERATOR}" .
@@ -187,7 +187,7 @@
   SET(CPUINFO_SOURCE_DIR "${CONFU_DEPENDENCIES_SOURCE_DIR}/cpuinfo" CACHE STRING "cpuinfo source directory")
 ENDIF()
 
-IF(NOT DEFINED FP16_SOURCE_DIR)
+IF(FALSE)
   MESSAGE(STATUS "Downloading FP16 to ${CONFU_DEPENDENCIES_SOURCE_DIR}/fp16 (define FP16_SOURCE_DIR to avoid it)")
   CONFIGURE_FILE(cmake/DownloadFP16.cmake "${CONFU_DEPENDENCIES_BINARY_DIR}/fp16-download/CMakeLists.txt")
   EXECUTE_PROCESS(COMMAND "${CMAKE_COMMAND}" -G "${CMAKE_GENERATOR}" .
@@ -197,7 +197,7 @@
   SET(FP16_SOURCE_DIR "${CONFU_DEPENDENCIES_SOURCE_DIR}/fp16" CACHE STRING "FP16 source directory")
 ENDIF()
 
-IF(NOT DEFINED FXDIV_SOURCE_DIR)
+IF(FALSE)
   MESSAGE(STATUS "Downloading FXdiv to ${CONFU_DEPENDENCIES_SOURCE_DIR}/fxdiv (define FXDIV_SOURCE_DIR to avoid it)")
   CONFIGURE_FILE(cmake/DownloadFXdiv.cmake "${CONFU_DEPENDENCIES_BINARY_DIR}/fxdiv-download/CMakeLists.txt")
   EXECUTE_PROCESS(COMMAND "${CMAKE_COMMAND}" -G "${CMAKE_GENERATOR}" .
@@ -207,7 +207,7 @@
   SET(FXDIV_SOURCE_DIR "${CONFU_DEPENDENCIES_SOURCE_DIR}/fxdiv" CACHE STRING "FXdiv source directory")
 ENDIF()
 
-IF(NOT DEFINED PSIMD_SOURCE_DIR)
+IF(FALSE)
   MESSAGE(STATUS "Downloading PSimd to ${CONFU_DEPENDENCIES_SOURCE_DIR}/psimd (define PSIMD_SOURCE_DIR to avoid it)")
   CONFIGURE_FILE(cmake/DownloadPSimd.cmake "${CONFU_DEPENDENCIES_BINARY_DIR}/psimd-download/CMakeLists.txt")
   EXECUTE_PROCESS(COMMAND "${CMAKE_COMMAND}" -G "${CMAKE_GENERATOR}" .
@@ -217,7 +217,7 @@
   SET(PSIMD_SOURCE_DIR "${CONFU_DEPENDENCIES_SOURCE_DIR}/psimd" CACHE STRING "PSimd source directory")
 ENDIF()
 
-IF(NOT DEFINED PTHREADPOOL_SOURCE_DIR)
+IF(FALSE)
   MESSAGE(STATUS "Downloading pthreadpool to ${CONFU_DEPENDENCIES_SOURCE_DIR}/pthreadpool (define PTHREADPOOL_SOURCE_DIR to avoid it)")
   CONFIGURE_FILE(cmake/DownloadPThreadPool.cmake "${CONFU_DEPENDENCIES_BINARY_DIR}/pthreadpool-download/CMakeLists.txt")
   EXECUTE_PROCESS(COMMAND "${CMAKE_COMMAND}" -G "${CMAKE_GENERATOR}" .
@@ -227,7 +227,7 @@
   SET(PTHREADPOOL_SOURCE_DIR "${CONFU_DEPENDENCIES_SOURCE_DIR}/pthreadpool" CACHE STRING "pthreadpool source directory")
 ENDIF()
 
-IF(NNPACK_BUILD_TESTS AND NOT DEFINED GOOGLETEST_SOURCE_DIR)
+IF(FALSE)
   MESSAGE(STATUS "Downloading Google Test to ${CONFU_DEPENDENCIES_SOURCE_DIR}/googletest (define GOOGLETEST_SOURCE_DIR to avoid it)")
   CONFIGURE_FILE(cmake/DownloadGoogleTest.cmake "${CONFU_DEPENDENCIES_BINARY_DIR}/googletest-download/CMakeLists.txt")
   EXECUTE_PROCESS(COMMAND "${CMAKE_COMMAND}" -G "${CMAKE_GENERATOR}" .
@@ -496,7 +496,7 @@
 TARGET_INCLUDE_DIRECTORIES(nnpack_reference_layers PUBLIC include)
 
 # ---[ Configure cpuinfo
-IF(NOT TARGET cpuinfo)
+IF(FALSE)
   SET(CPUINFO_BUILD_TOOLS OFF CACHE BOOL "")
   SET(CPUINFO_BUILD_UNIT_TESTS OFF CACHE BOOL "")
   SET(CPUINFO_BUILD_MOCK_TESTS OFF CACHE BOOL "")
@@ -508,7 +508,7 @@
 TARGET_LINK_LIBRARIES(nnpack PRIVATE cpuinfo)
 
 # ---[ Configure pthreadpool
-IF(NOT TARGET pthreadpool)
+IF(FALSE)
   SET(PTHREADPOOL_BUILD_TESTS OFF CACHE BOOL "")
   SET(PTHREADPOOL_BUILD_BENCHMARKS OFF CACHE BOOL "")
   ADD_SUBDIRECTORY(
@@ -525,7 +525,7 @@
 TARGET_LINK_LIBRARIES(nnpack_reference_layers PUBLIC pthreadpool)
 
 # ---[ Configure FXdiv
-IF(NOT TARGET fxdiv)
+IF(FALSE)
   SET(FXDIV_BUILD_TESTS OFF CACHE BOOL "")
   SET(FXDIV_BUILD_BENCHMARKS OFF CACHE BOOL "")
   ADD_SUBDIRECTORY(
@@ -532,18 +532,16 @@
     "${FXDIV_SOURCE_DIR}"
     "${CONFU_DEPENDENCIES_BINARY_DIR}/fxdiv")
 ENDIF()
-TARGET_LINK_LIBRARIES(nnpack PRIVATE fxdiv)
 
 # ---[ Configure psimd
-IF(NOT TARGET psimd)
+IF(FALSE)
   ADD_SUBDIRECTORY(
     "${PSIMD_SOURCE_DIR}"
     "${CONFU_DEPENDENCIES_BINARY_DIR}/psimd")
 ENDIF()
-TARGET_LINK_LIBRARIES(nnpack PRIVATE psimd)
 
 # ---[ Configure FP16
-IF(NOT TARGET fp16)
+IF(FALSE)
   SET(FP16_BUILD_TESTS OFF CACHE BOOL "")
   SET(FP16_BUILD_BENCHMARKS OFF CACHE BOOL "")
   ADD_SUBDIRECTORY(
@@ -550,8 +548,6 @@
     "${FP16_SOURCE_DIR}"
     "${CONFU_DEPENDENCIES_BINARY_DIR}/fp16")
 ENDIF()
-TARGET_LINK_LIBRARIES(nnpack PRIVATE fp16)
-TARGET_LINK_LIBRARIES(nnpack_reference_layers PUBLIC fp16)
 
 INSTALL(TARGETS nnpack
     LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
@@ -560,7 +560,7 @@
 
 IF(NNPACK_BUILD_TESTS)
   # ---[ Build google test
-  IF(NOT TARGET gtest)
+  IF(FALSE)
     SET(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
     ADD_SUBDIRECTORY(
       "${GOOGLETEST_SOURCE_DIR}"