Add arm64 support to CMake build (#64)

This is pretty speculative, I just copied the `SwiftSupport.cmake` from swift-argument-parser which seems to have support for arm64.
apple · Jul 30, 2021 · 0959ba7 · 0959ba7
1 parent 3426dba
commit 0959ba7
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/cmake/modules/SwiftSupport.cmake b/cmake/modules/SwiftSupport.cmake
@@ -17,8 +17,12 @@ See https://swift.org/LICENSE.txt for license information
 function(get_swift_host_arch result_var_name)
  if("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "x86_64")
  set("${result_var_name}" "x86_64" PARENT_SCOPE)
- elseif("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "aarch64")
- set("${result_var_name}" "aarch64" PARENT_SCOPE)
+ elseif ("${CMAKE_SYSTEM_PROCESSOR}" MATCHES "AArch64|arm64")
+ if(CMAKE_SYSTEM_NAME MATCHES Darwin)
+ set("${result_var_name}" "arm64" PARENT_SCOPE)
+ else()
+ set("${result_var_name}" "aarch64" PARENT_SCOPE)
+ endif()
  elseif("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "ppc64")
  set("${result_var_name}" "powerpc64" PARENT_SCOPE)
  elseif("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "ppc64le")