Index: tools/boost-build64.bat
===================================================================
diff -u -N -ra4635addad389b9e117679437a3e1b64a739ea96 -r3d5880c6661c3ed500e0c1c739a923ae9ede0364
--- tools/boost-build64.bat	(.../boost-build64.bat)	(revision a4635addad389b9e117679437a3e1b64a739ea96)
+++ tools/boost-build64.bat	(.../boost-build64.bat)	(revision 3d5880c6661c3ed500e0c1c739a923ae9ede0364)
@@ -1,11 +1,14 @@
 rem This scripts updates the environment (that needs to be previously set up for building with vcvarsall)
-rem so that the boost will build with xp compatibility in VS2013.
+rem so that the boost will build with xp compatibility in VS2017.
 rem Execute this script in the boost directory.
+setlocal
 
 set INCLUDE=%ProgramFiles(x86)%\Microsoft SDKs\Windows\7.1A\Include;%INCLUDE%
 set PATH=%ProgramFiles(x86)%\Microsoft SDKs\Windows\7.1A\Bin;%PATH%
 set CL=/D_USING_V110_SDK71_;%CL%
 set LIB=%ProgramFiles(x86)%\Microsoft SDKs\Windows\7.1A\Lib\x64;%LIB%
 set LINK=/SUBSYSTEM:CONSOLE,5.02 %LINK%
 
-b2 -j 4 --toolset=msvc-12.0 --link=static --threading=multi --runtime-link=shared address-model=64 define=_BIND_TO_CURRENT_VCLIBS_VERSION define=BOOST_USE_WINAPI_VERSION=0x0501 --build-type=complete --stagedir=lib-12.0\x64 stage
+b2 -j 8 --toolset=msvc-14.1 --link=static --threading=multi --runtime-link=shared address-model=64 define=_BIND_TO_CURRENT_VCLIBS_VERSION define=BOOST_USE_WINAPI_VERSION=0x0501 --build-type=complete cxxflags="/Zc:threadSafeInit-" --stagedir=lib-14.1\x64 stage
+
+rmdir /S /Q bin.v2