diff --git a/Modules/CMakeDetermineASMCompiler.cmake b/Modules/CMakeDetermineASMCompiler.cmake
index 45dea8f788..dbc41c8c76 100644
--- a/Modules/CMakeDetermineASMCompiler.cmake
+++ b/Modules/CMakeDetermineASMCompiler.cmake
@@ -58,6 +58,14 @@ if(NOT CMAKE_ASM${ASM_DIALECT}_COMPILER_ID)
   set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_GNU "--version")
   set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_GNU "(GNU assembler)|(GCC)|(Free Software Foundation)")
 
+  list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS Clang )
+  set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_Clang "--version")
+  set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_Clang "(clang version)")
+
+  list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS AppleClang )
+  set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_AppleClang "--version")
+  set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_AppleClang "(Apple LLVM version)")
+
   list(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS HP )
   set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_HP "-V")
   set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_HP "HP C")