build: add ARM64 spelling for Windows (apple#148)

Windows uses `ARM64` for the `CMAKE_SYSTEM_PROCESSOR` which does not match the existing spellings. Add the special case for Darwin while in the area.
swift-cloud · Mar 2, 2023 · 80a6e3e · 80a6e3e
1 parent a1b8005
commit 80a6e3e
Showing 1 changed file with 6 additions and 4 deletions.
diff --git a/cmake/modules/SwiftSupport.cmake b/cmake/modules/SwiftSupport.cmake
@@ -22,10 +22,12 @@
 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("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "arm64")
-    set("${result_var_name}" "aarch64" PARENT_SCOPE)
+  elseif("${CMAKE_SYSTEM_PROCESSOR}" MATCHES "AArch64|aarch64|arm64|ARM64")
+    if(CMAKE_SYSTEM_NAME STREQUAL Darwin)
+      set("${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")