Merge pull request #344 from xhochy/no-march-native-apple

Don't set march=native on Apple Silicon
2020-12-17 14:04:58 -08:00
parent bb386025b5 62b6ccb03e
commit b650aa9021
1 changed files with 5 additions and 2 deletions
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -186,8 +186,11 @@ if(CMAKE_C_COMPILER_ID MATCHES "AppleClang|Clang|GNU|Intel" AND NOT CMAKE_SYSTEM
 endif()

 # Architecture flags
-if(${CMAKE_HOST_SYSTEM_PROCESSOR} MATCHES "arm")
-    list(APPEND mi_cflags -march=native)
+if(${CMAKE_HOST_SYSTEM_PROCESSOR} MATCHES "arm" AND NOT APPLE)
+    check_cxx_compiler_flag(-march=native CXX_SUPPORTS_MARCH_NATIVE)
+    if (CXX_SUPPORTS_MARCH_NATIVE)
+        list(APPEND mi_cflags -march=native)
+    endif()
 endif()

 # extra needed libraries