--- cmake/platform.cmake.orig	2021-02-26 17:13:42 UTC
+++ cmake/platform.cmake
@@ -128,7 +128,7 @@ elseif(UNIX OR MINGW)
                  set(DEF_ARCH_OPT_FLAGS "-O3")
              endif()
              # For native compilation tune for the host processor
-             if (CMAKE_SYSTEM_PROCESSOR STREQUAL CMAKE_HOST_SYSTEM_PROCESSOR)
+             if (FALSE AND CMAKE_SYSTEM_PROCESSOR STREQUAL CMAKE_HOST_SYSTEM_PROCESSOR)
                  append(DEF_ARCH_OPT_FLAGS "-mcpu=native")
              endif()
         elseif(DNNL_TARGET_ARCH STREQUAL "PPC64")
@@ -136,7 +136,7 @@ elseif(UNIX OR MINGW)
                  set(DEF_ARCH_OPT_FLAGS "-O3")
              endif()
              # For native compilation tune for the host processor
-             if (CMAKE_SYSTEM_PROCESSOR STREQUAL CMAKE_HOST_SYSTEM_PROCESSOR)
+             if (FALSE AND CMAKE_SYSTEM_PROCESSOR STREQUAL CMAKE_HOST_SYSTEM_PROCESSOR)
                  append(DEF_ARCH_OPT_FLAGS "-mcpu=native")
              endif()
         elseif(DNNL_TARGET_ARCH STREQUAL "S390X")
@@ -144,10 +144,10 @@ elseif(UNIX OR MINGW)
                  set(DEF_ARCH_OPT_FLAGS "-O3")
              endif()
              # For native compilation tune for the host processor
-             if (CMAKE_SYSTEM_PROCESSOR STREQUAL CMAKE_HOST_SYSTEM_PROCESSOR)
+             if (FALSE AND CMAKE_SYSTEM_PROCESSOR STREQUAL CMAKE_HOST_SYSTEM_PROCESSOR)
                  append(DEF_ARCH_OPT_FLAGS "-march=native")
              endif()
-        elseif(DNNL_TARGET_ARCH STREQUAL "X64")
+        elseif(FALSE AND DNNL_TARGET_ARCH STREQUAL "X64")
              set(DEF_ARCH_OPT_FLAGS "-msse4.1")
         endif()
         # Clang cannot vectorize some loops with #pragma omp simd and gets
@@ -225,7 +225,7 @@ elseif(UNIX OR MINGW)
              endif()
              # In GCC, -ftree-vectorize is turned on under -O3 since 2007.
              # For native compilation tune for the host processor
-             if (CMAKE_SYSTEM_PROCESSOR STREQUAL CMAKE_HOST_SYSTEM_PROCESSOR)
+             if (FALSE AND CMAKE_SYSTEM_PROCESSOR STREQUAL CMAKE_HOST_SYSTEM_PROCESSOR)
                  append(DEF_ARCH_OPT_FLAGS "-mcpu=native")
              endif()
         elseif(DNNL_TARGET_ARCH STREQUAL "S390X")
@@ -234,10 +234,10 @@ elseif(UNIX OR MINGW)
              endif()
              # In GCC, -ftree-vectorize is turned on under -O3 since 2007.
              # For native compilation tune for the host processor
-             if (CMAKE_SYSTEM_PROCESSOR STREQUAL CMAKE_HOST_SYSTEM_PROCESSOR)
+             if (FALSE AND CMAKE_SYSTEM_PROCESSOR STREQUAL CMAKE_HOST_SYSTEM_PROCESSOR)
                  append(DEF_ARCH_OPT_FLAGS "-march=native")
              endif()
-        elseif(DNNL_TARGET_ARCH STREQUAL "X64")
+        elseif(FALSE AND DNNL_TARGET_ARCH STREQUAL "X64")
              set(DEF_ARCH_OPT_FLAGS "-msse4.1")
         endif()
         # suppress warning on assumptions made regarding overflow (#146)