--- CMakeLists.txt
+++ CMakeLists.txt
@@ -93,6 +93,25 @@ IF (NOT WIN32)
   # default
   SET (ARCH "i386")
   SET (LIB_INSTALL_DIR "lib")
+  IF (CMAKE_SYSTEM_PROCESSOR MATCHES "arm*")
+    IF (CMAKE_SIZEOF_VOID_P MATCHES "8")
+      SET (ARCH "aarch64")
+    ELSE (CMAKE_SIZEOF_VOID_P MATCHES "8")
+      SET (ARCH "armhf")
+    ENDIF (CMAKE_SIZEOF_VOID_P MATCHES "8")
+  ELSEIF (CMAKE_SYSTEM_PROCESSOR MATCHES "ppc*" OR CMAKE_SYSTEM_PROCESSOR MATCHES "powerpc*")
+    IF (CMAKE_SIZEOF_VOID_P MATCHES "8")
+      SET (ARCH "ppc64")
+    ELSE (CMAKE_SIZEOF_VOID_P MATCHES "8")
+      SET (ARCH "powerpc")
+    ENDIF (CMAKE_SIZEOF_VOID_P MATCHES "8")
+  ELSE (CMAKE_SYSTEM_PROCESSOR MATCHES "arm*")
+    IF (CMAKE_SIZEOF_VOID_P MATCHES "8")
+      SET (ARCH "x86_64")
+    ELSE (CMAKE_SIZEOF_VOID_P MATCHES "8")
+      SET (ARCH "i386")
+    ENDIF (CMAKE_SIZEOF_VOID_P MATCHES "8")
+  ENDIF (CMAKE_SYSTEM_PROCESSOR MATCHES "arm*")
   IF (EXISTS /etc/debian_version)
     SET (PACKAGE_FORMAT "DEB")
     SET (PACKAGE_DEPS "libc6, libwxgtk3.0-0, wx3.0-i18n, libglu1-mesa (>= 7.0.0), libgl1-mesa-glx (>= 7.0.0), zlib1g, bzip2, libtinyxml2.6.2, libportaudio2")
@@ -1579,7 +1579,7 @@ IF (OPENGL_FOUND)
         ENDIF("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
 
       ELSE ()
-        IF(NOT (ARCH MATCHES "arm64" OR ARCH MATCHES "aarch64"))
+        IF(ARCH MATCHES "armhf")
           set_source_files_properties(src/mipmap/mipmap_neon.c PROPERTIES COMPILE_FLAGS "-mfpu=neon")
         ENDIF()
       ENDIF ()