diff -Nru a/Modules/CMakeASM_NASMInformation.cmake b/Modules/CMakeASM_NASMInformation.cmake
--- a/Modules/CMakeASM_NASMInformation.cmake	1970-01-01 01:00:00.000000000 +0100
+++ b/Modules/CMakeASM_NASMInformation.cmake	2010-11-10 10:18:56.000000000 +0100
@@ -0,0 +1,46 @@
+
+#=============================================================================
+# Copyright 2010 Kitware, Inc.
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+# (To distribute this file outside of CMake, substitute the full
+#  License text for the above reference.)
+
+# support for the nasm assembler
+
+set(CMAKE_ASM_NASM_SOURCE_FILE_EXTENSIONS nasm asm)
+
+if(NOT CMAKE_ASM_NASM_OBJECT_FORMAT)
+  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 macho32)
+    endif()
+  else()
+    if(CMAKE_C_SIZEOF_DATA_PTR EQUAL 8)
+      SET(CMAKE_ASM_NASM_OBJECT_FORMAT elf64)
+    else()
+      SET(CMAKE_ASM_NASM_OBJECT_FORMAT elf32)
+    endif()
+  endif()
+endif()
+
+set(CMAKE_ASM_NASM_COMPILE_OBJECT "<CMAKE_ASM_NASM_COMPILER> <FLAGS> -f ${CMAKE_ASM_NASM_OBJECT_FORMAT} -o <OBJECT> <SOURCE>")
+
+# Load the generic ASMInformation file:
+set(ASM_DIALECT "_NASM")
+include(CMakeASMInformation)
+set(ASM_DIALECT)
diff -Nru a/Modules/CMakeDetermineASM_NASMCompiler.cmake b/Modules/CMakeDetermineASM_NASMCompiler.cmake
--- a/Modules/CMakeDetermineASM_NASMCompiler.cmake	1970-01-01 01:00:00.000000000 +0100
+++ b/Modules/CMakeDetermineASM_NASMCompiler.cmake	2010-11-10 10:19:02.000000000 +0100
@@ -0,0 +1,27 @@
+
+#=============================================================================
+# Copyright 2010 Kitware, Inc.
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+# (To distribute this file outside of CMake, substitute the full
+#  License text for the above reference.)
+
+# Find the nasm assembler. yasm (http://www.tortall.net/projects/yasm/) is nasm compatible
+
+SET(CMAKE_ASM_NASM_COMPILER_INIT nasm yasm)
+
+IF(NOT CMAKE_ASM_NASM_COMPILER)
+  FIND_PROGRAM(CMAKE_ASM_NASM_COMPILER nasm
+    "$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 -Nru a/Modules/CMakeTestASM_NASMCompiler.cmake b/Modules/CMakeTestASM_NASMCompiler.cmake
--- a/Modules/CMakeTestASM_NASMCompiler.cmake	1970-01-01 01:00:00.000000000 +0100
+++ b/Modules/CMakeTestASM_NASMCompiler.cmake	2010-11-10 10:19:17.000000000 +0100
@@ -0,0 +1,23 @@
+
+#=============================================================================
+# Copyright 2010 Kitware, Inc.
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+# (To distribute this file outside of CMake, substitute the full
+#  License text for the above reference.)
+
+# 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)