VS: Remove support for "free" version 2003 tools

Several more recent Visual Studio Express editions are now available and
they support debug builds.  Simplify our VS platform files by removing
support for these old tools.  If anyone still uses them we can restore
support with a more modern way to test for them.

Modules/CMakeTestForFreeVC.cxx

@@ -1,3 +0,0 @@
-#include<iostream>
-
-int main(){return 0;}

Modules/Platform/Windows-cl.cmake

@@ -30,8 +30,6 @@ set(CMAKE_COMPILE_RESOURCE "rc <FLAGS> /fo<OBJECT> <SOURCE>")
 
 # for nmake we need to compute some information about the compiler
 # that is being used.
-# the compiler may be free command line, 6, 7, or 71, and
-# each have properties that must be determined.
 # to avoid running these tests with each cmake run, the
 # test results are saved in CMakeCPlatform.cmake, a file
 # that is automatically copied into try_compile directories
@@ -96,34 +94,6 @@ if(CMAKE_GENERATOR MATCHES "Makefiles" OR CMAKE_GENERATOR MATCHES "Ninja")
         "Determining the version of compiler failed with the following output:\n"
         "${CMAKE_COMPILER_OUTPUT}\n\n")
     endif()
-    # try to figure out if we are running the free command line
-    # tools from Microsoft.  These tools do not provide debug libraries,
-    # so the link flags used have to be different.
-    make_directory("${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp2")
-    set(testForFreeVCFile
-      "${CMAKE_ROOT}/Modules/CMakeTestForFreeVC.cxx")
-    string(REGEX REPLACE "/" "\\\\" testForFreeVCFile "${testForFreeVCFile}")
-    message(STATUS "Check if this is a free VC compiler")
-    exec_program(${CMAKE_TEST_COMPILER} ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp2
-      ARGS /nologo /MD /EHsc
-      \"${testForFreeVCFile}\"
-      OUTPUT_VARIABLE CMAKE_COMPILER_OUTPUT
-      RETURN_VALUE CMAKE_COMPILER_RETURN
-      )
-    if(CMAKE_COMPILER_RETURN)
-      file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
-        "Determining if this is a free VC compiler failed with the following output:\n"
-        "${CMAKE_COMPILER_OUTPUT}\n\n")
-      message(STATUS "Check if this is a free VC compiler - yes")
-      set(CMAKE_USING_VC_FREE_TOOLS 1)
-    else()
-      file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
-        "Determining if this is a free VC compiler passed with the following output:\n"
-        "${CMAKE_COMPILER_OUTPUT}\n\n")
-      message(STATUS "Check if this is a free VC compiler - no")
-      set(CMAKE_USING_VC_FREE_TOOLS 0)
-    endif()
-    make_directory("${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp3")
   endif()
 endif()
 
@@ -166,32 +136,17 @@ if(MSVC_VERSION GREATER 1310)
   set (CMAKE_C_STANDARD_LIBRARIES_INIT "kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib ")
   set (CMAKE_EXE_LINKER_FLAGS_INIT "${CMAKE_EXE_LINKER_FLAGS_INIT}")
 else()
-  if(CMAKE_USING_VC_FREE_TOOLS)
-    message(STATUS "Using FREE VC TOOLS, NO DEBUG available")
-    set(CMAKE_BUILD_TYPE_INIT Release)
-    set (CMAKE_CXX_FLAGS_INIT "/DWIN32 /D_WINDOWS /W3 /Zm1000 /GX /GR")
-    set (CMAKE_CXX_FLAGS_DEBUG_INIT "/D_DEBUG /MTd /Zi  /Ob0 /Od /GZ")
-    set (CMAKE_CXX_FLAGS_MINSIZEREL_INIT "/MT /O1 /Ob1 /D NDEBUG")
-    set (CMAKE_CXX_FLAGS_RELEASE_INIT "/MT /O2 /Ob2 /D NDEBUG")
-    set (CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT "/MT /Zi /O2 /Ob1 /D NDEBUG")
-    set (CMAKE_C_FLAGS_INIT "/DWIN32 /D_WINDOWS /W3 /Zm1000")
-    set (CMAKE_C_FLAGS_DEBUG_INIT "/D_DEBUG /MTd /Zi  /Ob0 /Od /GZ")
-    set (CMAKE_C_FLAGS_MINSIZEREL_INIT "/MT /O1 /Ob1 /D NDEBUG")
-    set (CMAKE_C_FLAGS_RELEASE_INIT "/MT /O2 /Ob2 /D NDEBUG")
-    set (CMAKE_C_FLAGS_RELWITHDEBINFO_INIT "/MT /Zi /O2 /Ob1 /D NDEBUG")
-  else()
-    set(CMAKE_BUILD_TYPE_INIT Debug)
-    set (CMAKE_CXX_FLAGS_INIT "/DWIN32 /D_WINDOWS /W3 /Zm1000 /GX /GR")
-    set (CMAKE_CXX_FLAGS_DEBUG_INIT "/D_DEBUG /MDd /Zi  /Ob0 /Od /GZ")
-    set (CMAKE_CXX_FLAGS_MINSIZEREL_INIT "/MD /O1 /Ob1 /D NDEBUG")
-    set (CMAKE_CXX_FLAGS_RELEASE_INIT "/MD /O2 /Ob2 /D NDEBUG")
-    set (CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT "/MD /Zi /O2 /Ob1 /D NDEBUG")
-    set (CMAKE_C_FLAGS_INIT "/DWIN32 /D_WINDOWS /W3 /Zm1000")
-    set (CMAKE_C_FLAGS_DEBUG_INIT "/D_DEBUG /MDd /Zi /Ob0 /Od /GZ")
-    set (CMAKE_C_FLAGS_MINSIZEREL_INIT "/MD /O1 /Ob1 /D NDEBUG")
-    set (CMAKE_C_FLAGS_RELEASE_INIT "/MD /O2 /Ob2 /D NDEBUG")
-    set (CMAKE_C_FLAGS_RELWITHDEBINFO_INIT "/MD /Zi /O2 /Ob1 /D NDEBUG")
-  endif()
+  set(CMAKE_BUILD_TYPE_INIT Debug)
+  set (CMAKE_CXX_FLAGS_INIT "/DWIN32 /D_WINDOWS /W3 /Zm1000 /GX /GR")
+  set (CMAKE_CXX_FLAGS_DEBUG_INIT "/D_DEBUG /MDd /Zi  /Ob0 /Od /GZ")
+  set (CMAKE_CXX_FLAGS_MINSIZEREL_INIT "/MD /O1 /Ob1 /D NDEBUG")
+  set (CMAKE_CXX_FLAGS_RELEASE_INIT "/MD /O2 /Ob2 /D NDEBUG")
+  set (CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT "/MD /Zi /O2 /Ob1 /D NDEBUG")
+  set (CMAKE_C_FLAGS_INIT "/DWIN32 /D_WINDOWS /W3 /Zm1000")
+  set (CMAKE_C_FLAGS_DEBUG_INIT "/D_DEBUG /MDd /Zi /Ob0 /Od /GZ")
+  set (CMAKE_C_FLAGS_MINSIZEREL_INIT "/MD /O1 /Ob1 /D NDEBUG")
+  set (CMAKE_C_FLAGS_RELEASE_INIT "/MD /O2 /Ob2 /D NDEBUG")
+  set (CMAKE_C_FLAGS_RELWITHDEBINFO_INIT "/MD /Zi /O2 /Ob1 /D NDEBUG")
   set (CMAKE_C_STANDARD_LIBRARIES_INIT "kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib")
 endif()
 

Modules/Platform/Windows-cl.cmake.in

@@ -1,7 +1,6 @@
 set(CMAKE_VC_COMPILER_TESTS_RUN 1)
 set(CMAKE_COMPILER_SUPPORTS_PDBTYPE @CMAKE_COMPILER_SUPPORTS_PDBTYPE@)
 set(CMAKE_COMPILER_2005 @CMAKE_COMPILER_2005@)
-set(CMAKE_USING_VC_FREE_TOOLS @CMAKE_USING_VC_FREE_TOOLS@)
 set(CMAKE_CL_64 @CMAKE_CL_64@)
 set(MSVC60 @MSVC60@)
 set(MSVC70 @MSVC70@)

Source/cmDocumentVariables.cxx

@@ -382,12 +382,6 @@ void cmDocumentVariables::DefineVariables(cmake* cm)
      "This is the list of libraries that are linked "
      "into all executables and libraries.",false,
      "Variables that Provide Information");
-  cm->DefineProperty
-    ("CMAKE_USING_VC_FREE_TOOLS", cmProperty::VARIABLE,
-     "True if free visual studio tools being used.",
-     "This is set to true if the compiler is Visual "
-     "Studio free tools.",false,
-     "Variables that Provide Information");
   cm->DefineProperty
     ("CMAKE_VERBOSE_MAKEFILE", cmProperty::VARIABLE,
      "Create verbose makefiles if on.",