removed msvc compilation support

cmake/boost.cmake

@@ -87,55 +87,6 @@ if (UNIX OR MINGW)
     libboost_serialization${BOOST_LIB_EXTRA}.a
     libboost_thread${BOOST_LIB_EXTRA}.a
   )
-elseif(MSVC)
-  set (BOOST_COMMON_ARGS 
-      --with-date_time
-      --with-regex
-      --with-serialization
-      --with-system
-      --with-filesystem
-      --prefix=${EXTERNAL_BUILD_ROOT}
-      runtime-link=shared
-      threading=multi
-      address-model=${BOOST_ADDRESS_MODEL}
-      architecture=x86
-      toolset=${BOOST_MSVC_TOOLSET}
-      variant=${CMAKE_BUILD_TYPE_LOWER}
-      -sZLIB_BINARY=zlibstatic${DEBUG_EXTRA}
-      -sZLIB_LIBPATH="${EXTERNAL_BUILD_ROOT}/lib"
-      -sZLIB_INCLUDE="${EXTERNAL_BUILD_ROOT}/include"
-  )
-
-  ExternalProject_Add(boost_project
-    DOWNLOAD_NO_PROGRESS 1
-    URL ${BOOST_DOWNLOAD_URL}
-    PREFIX ${BOOST_BUILD_ROOT}
-    BUILD_IN_SOURCE 1
-    CONFIGURE_COMMAND
-      bootstrap.bat
-      --with-date_time
-      --with-regex
-      --with-system
-      --with-serialization
-      --with-filesystem
-    BUILD_COMMAND
-      b2.exe
-      ${BOOST_COMMON_ARGS}
-    INSTALL_COMMAND
-      b2.exe
-      install
-      ${BOOST_COMMON_ARGS}
-  )
-
-  set(BOOST_ROOT ${BOOST_BUILD_ROOT}/src/boost_project)
-  set(Boost_INCLUDE_DIR ${EXTERNAL_BUILD_ROOT}/include/boost-${BOOST_VERSION_DLL})
-  set(Boost_LIBRARIES
-    ${EXTERNAL_BUILD_ROOT}/lib/libboost_date_time-vc${BOOST_MSVC_TOOLSET_DLL}-mt-${BOOST_DEBUG_EXTRA}${BOOST_DLL_ARCH}-${BOOST_VERSION_DLL}.lib
-    ${EXTERNAL_BUILD_ROOT}/lib/libboost_filesystem-vc${BOOST_MSVC_TOOLSET_DLL}-mt-${BOOST_DEBUG_EXTRA}${BOOST_DLL_ARCH}-${BOOST_VERSION_DLL}.lib
-    ${EXTERNAL_BUILD_ROOT}/lib/libboost_regex-vc${BOOST_MSVC_TOOLSET_DLL}-mt-${BOOST_DEBUG_EXTRA}${BOOST_DLL_ARCH}-${BOOST_VERSION_DLL}.lib
-    ${EXTERNAL_BUILD_ROOT}/lib/libboost_serialization-vc${BOOST_MSVC_TOOLSET_DLL}-mt-${BOOST_DEBUG_EXTRA}${BOOST_DLL_ARCH}-${BOOST_VERSION_DLL}.lib
-    ${EXTERNAL_BUILD_ROOT}/lib/libboost_system-vc${BOOST_MSVC_TOOLSET_DLL}-mt-${BOOST_DEBUG_EXTRA}${BOOST_DLL_ARCH}-${BOOST_VERSION_DLL}.lib
-  )
 endif()
 
 add_dependencies(boost_project zlib_project)