Add CMAKE ASM workaround for newer clang

Author: am11

eng/native/configurecompiler.cmake

@@ -787,6 +787,13 @@ if (CLR_CMAKE_HOST_WIN32)
     endif()
 
 elseif (NOT CLR_CMAKE_HOST_BROWSER)
+    # This is a workaround for upstream issue: https://gitlab.kitware.com/cmake/cmake/-/issues/22995.
+    #
+    # In Clang.cmake, the decision to use single or double hyphen for target and gcc-toolchain is made
+    # based on CMAKE_${LANG}_COMPILE_OPTIONS_EXTERNAL_TOOLCHAIN, but CMAKE_ASM_COMPILER_VERSION is empty
+    # so it picks up single hyphen options, which new clang versions don't recognize.
+    set (CMAKE_ASM_COMPILER_VERSION "${CMAKE_C_COMPILER_VERSION}")
+
     enable_language(ASM)
 
 endif(CLR_CMAKE_HOST_WIN32)

eng/native/ijw/IJW.cmake

@@ -32,7 +32,7 @@ if (CLR_CMAKE_HOST_WIN32)
   endfunction()
 
   # 4365 - signed/unsigned mismatch
-  # 4679 - Could not import member. This is an issue with IJW and static abstract methods in interfaces. 
+  # 4679 - Could not import member. This is an issue with IJW and static abstract methods in interfaces.
   add_compile_options(/wd4365 /wd4679)
 
   # IJW

eng/native/init-os-and-arch.sh

@@ -68,11 +68,11 @@ case "$CPUName" in
 
     s390x)
         arch=s390x
-	;;
+        ;;
 
     ppc64le)
-	arch=ppc64le
-	;;
+        arch=ppc64le
+        ;;
     *)
         echo "Unknown CPU $CPUName detected!"
         exit 1