diff --git a/Modules/CMakeASM_NASMInformation.cmake b/Modules/CMakeASM_NASMInformation.cmake
new file mode 100644
index 000000000..2a73acad3
--- /dev/null
+++ b/Modules/CMakeASM_NASMInformation.cmake
@@ -0,0 +1,30 @@
+# support for the nasm assembler
+
+set(CMAKE_ASM_NASM_SOURCE_FILE_EXTENSIONS nasm)
+
+if(WIN32)
+  if(CMAKE_C_SIZEOF_DATA_PTR EQUAL 8)
+    SET(CMAKE_ASM_NASM_OBJECT_FORMAT win64)
+  else()
+    SET(CMAKE_ASM_NASM_OBJECT_FORMAT win32)
+  endif()
+elseif(APPLE)
+  if(CMAKE_C_SIZEOF_DATA_PTR EQUAL 8)
+    SET(CMAKE_ASM_NASM_OBJECT_FORMAT macho64)
+  else()
+    SET(CMAKE_ASM_NASM_OBJECT_FORMAT macho)
+  endif()
+else()
+  if(CMAKE_C_SIZEOF_DATA_PTR EQUAL 8)
+    SET(CMAKE_ASM_NASM_OBJECT_FORMAT elf64)
+  else()
+    SET(CMAKE_ASM_NASM_OBJECT_FORMAT elf)
+  endif()
+endif()
+
+set(CMAKE_ASM_NASM_COMPILE_OBJECT "<CMAKE_ASM_NASM_COMPILER> <FLAGS> -f ${CMAKE_ASM_NASM_OBJECT_FORMAT} -o <OBJECT> <SOURCE>")
+
+# Load the generic ASMInformation file:
+set(ASM_DIALECT "_NASM")
+include(CMakeASMInformation)
+set(ASM_DIALECT)
diff --git a/Modules/CMakeDetermineASM_NASMCompiler.cmake b/Modules/CMakeDetermineASM_NASMCompiler.cmake
new file mode 100644
index 000000000..2c8cda568
--- /dev/null
+++ b/Modules/CMakeDetermineASM_NASMCompiler.cmake
@@ -0,0 +1,13 @@
+# Find the nasm assembler
+
+SET(CMAKE_ASM_NASM_COMPILER_INIT nasm)
+
+IF(NOT CMAKE_ASM_NASM_COMPILER)
+  FIND_PROGRAM(CMAKE_ASM_NASM_COMPILER nasm
+    "$ENV{ProgramFiles}/NASM")
+ENDIF(NOT CMAKE_ASM_NASM_COMPILER)
+
+# Load the generic DetermineASM compiler file with the DIALECT set properly:
+SET(ASM_DIALECT "_NASM")
+INCLUDE(CMakeDetermineASMCompiler)
+SET(ASM_DIALECT)
diff --git a/Modules/CMakeTestASM_NASMCompiler.cmake b/Modules/CMakeTestASM_NASMCompiler.cmake
new file mode 100644
index 000000000..ba0e658be
--- /dev/null
+++ b/Modules/CMakeTestASM_NASMCompiler.cmake
@@ -0,0 +1,9 @@
+# This file is used by EnableLanguage in cmGlobalGenerator to
+# determine that the selected ASM_NASM "compiler" works.
+# For assembler this can only check whether the compiler has been found,
+# because otherwise there would have to be a separate assembler source file
+# for each assembler on every architecture.
+
+SET(ASM_DIALECT "_NASM")
+INCLUDE(CMakeTestASMCompiler)
+SET(ASM_DIALECT)