Merge topic 'AddASM_NASMSupport'

e0b6016 Some more fixes for nasm support, from Etienne (#10069)
d25c2eb Use CMAKE_ASM_NASM_FLAGS for nasm instead of FLAGS
e614e9b Add support for yasm, a nasm compatible assembler
79dd9be We already have 2010, fix copyright year.
ffeca06 Add missing copyright headers
7b337ac Improve misleading comments.
e1fc9b9 Add support for nasm assembler, patch by Peter Collingbourne (see #10069)

Modules/CMakeASM_NASMInformation.cmake

@@ -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 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()
+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)

Modules/CMakeDetermineASM_NASMCompiler.cmake

@@ -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)

Modules/CMakeTestASM-ATTCompiler.cmake

@@ -13,10 +13,10 @@
 #  License text for the above reference.)
 
 # This file is used by EnableLanguage in cmGlobalGenerator to
-# determine that that selected ASM-ATT compiler can actually compile
+# determine that the selected ASM-ATT "compiler" works.
-# and link the most basic of programs.   If not, a fatal error
+# For assembler this can only check whether the compiler has been found,
-# is set and cmake stops processing commands and will not generate
+# because otherwise there would have to be a separate assembler source file
-# any makefiles or projects.
+# for each assembler on every architecture.
 
 SET(ASM_DIALECT "-ATT")
 INCLUDE(CMakeTestASMCompiler)

Modules/CMakeTestASMCompiler.cmake

@@ -13,10 +13,11 @@
 #  License text for the above reference.)
 
 # This file is used by EnableLanguage in cmGlobalGenerator to
-# determine that that selected ASM compiler can actually compile
+# determine that the selected ASM compiler works.
-# and link the most basic of programs.   If not, a fatal error
+# For assembler this can only check whether the compiler has been found,
-# is set and cmake stops processing commands and will not generate
+# because otherwise there would have to be a separate assembler source file
-# any makefiles or projects.
+# for each assembler on every architecture.
+
 IF(CMAKE_ASM${ASM_DIALECT}_COMPILER)
   SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_WORKS 1 CACHE INTERNAL "")
 ELSE(CMAKE_ASM${ASM_DIALECT}_COMPILER)

Modules/CMakeTestASM_MASMCompiler.cmake

@@ -13,10 +13,10 @@
 #  License text for the above reference.)
 
 # This file is used by EnableLanguage in cmGlobalGenerator to
-# determine that the selected ASM_MASM "compiler" (should be masm or masm64) 
+# determine that the selected ASM_MASM "compiler" (should be masm or masm64)
-# can actually "compile" and link the most basic of programs.   If not, a 
+# works. For assembler this can only check whether the compiler has been found,
-# fatal error is set and cmake stops processing commands and will not generate
+# because otherwise there would have to be a separate assembler source file
-# any makefiles or projects.
+# for each assembler on every architecture.
 
 SET(ASM_DIALECT "_MASM")
 INCLUDE(CMakeTestASMCompiler)

Modules/CMakeTestASM_NASMCompiler.cmake

@@ -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)