Support building on macOS with M1 chip (#233)

3 years ago · 87333d8284
parent 3dbf3a6ded
commit 87333d8284
1 changed files with 5 additions and 1 deletions
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@ -169,7 +169,11 @@ else()
  set(CMAKE_C_FLAGS_RELEASE "-O3 -Wfatal-errors -fomit-frame-pointer -fno-stack-check -fno-stack-protector") #-fno-inline

  if(BUILD_NATIVE)
-    set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -march=native")
+    if(APPLE AND CMAKE_C_COMPILER_ID MATCHES "Clang" AND CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "arm64")
+      set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -mcpu=native")
+    else()
+      set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -march=native")
+    endif()
  endif()

  set(CMAKE_EXE_LINKER_FLAGS_DEBUG "-O0")