diff -ru boost_1_50_0_beta1.org/tools/build/v2/tools/msvc.jam boost_1_50_0_beta1/tools/build/v2/tools/msvc.jam
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853 | 853 | # 'x86' when running 32-bit Windows, no matter which processor is |
854 | 854 | # used, and 'AMD64' on 64-bit windows on x86 (either AMD64 or EM64T) |
855 | 855 | # Windows. |
| 856 | # PROCESSOR_ARCHITEW6432 is set when running a 64-bit Windows, but |
| 857 | # the shell is 32-bit. |
856 | 858 | # |
857 | 859 | if [ MATCH ^(AMD64) : [ os.environ PROCESSOR_ARCHITECTURE ] ] |
| 860 | || [ MATCH ^(AMD64) : [ os.environ PROCESSOR_ARCHITEW6432 ] ] |
858 | 861 | { |
859 | 862 | default-global-setup-options-amd64 = amd64 ; |
860 | 863 | } |