win32: use zlib, bzip2, and freetype from python tarball

CMakeLists.txt

@@ -182,14 +182,6 @@ if (WIN32)
     find_program(NMAKE_PATH nmake)
     mark_as_advanced(DEVENV_PATH NMAKE_PATH)
   endif()
-  # Freetype uses its own build system on win32...
-  find_program(FTJAM_EXECUTABLE jam)
-  mark_as_advanced(FTJAM_EXECUTABLE)
-  if (freetype_ENABLED)
-    if (NOT FTJAM_EXECUTABLE)
-      message(FATAL_ERROR "FreeType's 'jam' build tool not found! Download it from http://sourceforge.net/projects/freetype/files/ftjam/2.5.2/ and set FTJAM_EXECUTABLE appropriately.")
-    endif()
-  endif()
 endif()
 #-----------------------------------------------------------------------------
 include (CMBModules)

Projects/win32/bzip2.cmake

+add_external_dummy_project(bzip2
+  DEPENDS python)

Projects/win32/freetype-build.cmake

-set(ENV{JAM_TOOLSET} VISUALC)
-execute_process(COMMAND ${FTJAM_EXECUTABLE}
-                WORKING_DIRECTORY ${WORKING_DIRECTORY}
-                OUTPUT_VARIABLE output
-                ERROR_VARIABLE error
-                RESULT_VARIABLE rv)
-
-if(NOT ${rv} EQUAL 0)
-  message(FATAL_ERROR "Error building freetype!\n${output}\n${error}")
-endif()

Projects/win32/freetype-install.cmake

-execute_process(COMMAND "${CMAKE_COMMAND}" -E copy_if_different
-  "${SOURCE_DIR}/objs/freetype.lib"
-  "${INSTALL_DIR}/lib/freetype.lib"
-)
-execute_process(COMMAND "${CMAKE_COMMAND}" -E copy_directory
-  "${SOURCE_DIR}/include"
-  "${INSTALL_DIR}/include/freetype2"
-)

Projects/win32/freetype.cmake

-add_external_project(
-  freetype
-  DEPENDS zlib
-  CONFIGURE_COMMAND ""
-  BUILD_IN_SOURCE 1
-  BUILD_COMMAND
-    ${CMAKE_COMMAND}
-      -DFTJAM_EXECUTABLE:PATH=${FTJAM_EXECUTABLE}
-      -DWORKING_DIRECTORY:PATH=<SOURCE_DIR>
-      -P ${SuperBuild_PROJECTS_DIR}/win32/freetype-build.cmake
-  INSTALL_COMMAND
-    ${CMAKE_COMMAND}
-      -DSOURCE_DIR:PATH=<SOURCE_DIR>
-      -DINSTALL_DIR:PATH=<INSTALL_DIR>
-      -P ${SuperBuild_PROJECTS_DIR}/win32/freetype-install.cmake
-)
+add_external_dummy_project(freetype
+  DEPENDS python)

Projects/win32/zlib.cmake

+add_external_dummy_project(zlib
+  DEPENDS python)