How do I specify that I want to build 64-bit binaries when I run bootstrap and then invoke b2?  I had a linker error saying, “1>libboost_thread-vc141-mt-gd-1_64.lib(thread.obj) : fatal error LNK1112: module machine type 'X86' conflicts with target machine type 'x64'” when I tried to build an ISAPI extension DLL with Wt (just a simple app using the same code as in the “Hello world” example).  [Note: I’m just trying out the wtispai.lib/wisapid.lib connector libraries to see how to use them.]


Any help would be appreciated.  Thanks in advance.


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