index d598c31..6680b2b 100644
--- CMakeLists.txt.orig
+++ CMakeLists.txt
@@ -84,7 +84,7 @@
 if (CMAKE_SYSTEM_PROCESSOR MATCHES "arm.*")
     if (USE_NEON)
-        set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mcpu=cortex-a7 -mfloat-abi=hard -mfpu=neon-vfpv4")
+        set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mcpu=apple-m1")
         add_definitions (-DHAVE_NEON)
     endif()
 endif()
 
@@ -276,7 +276,7 @@
     OUTPUT_STRIP_TRAILING_WHITESPACE
   )
-else()
+elseif(NOT DEFINED GIT_COMMIT_HASH)
   set(GIT_COMMIT_HASH "unknown")
 endif()
 add_definitions("-DGIT_COMMIT_HASH=\"${GIT_COMMIT_HASH}\"")

--- src/CMakeLists.txt.orig
+++ src/CMakeLists.txt
@@ -18,12 +18,12 @@ endif()
 
 configure_file (config.h.in config.h)
 include_directories (
+    "${CMAKE_SOURCE_DIR}/include"
     ${FAAD2_INCLUDE_DIRS}
     ${AO_INCLUDE_DIRS}
     ${RTL_SDR_INCLUDE_DIRS}
     ${FFTW3F_INCLUDE_DIRS}
     "${CMAKE_CURRENT_BINARY_DIR}"
-    "${CMAKE_SOURCE_DIR}/include"
 )
 link_directories (
     ${FAAD2_LIBRARY_DIRS}