I am getting following warning when I try to compile using Borland toolset: ...boost\tools/build\v1\borland-tools.jam:182: in include-tools warning: unknown rule W32_GETREG ...boost\tools/build\v1\boost-base.jam:760: in relevant-features ...boost\tools/build\v1\boost-base.jam:828: in select-properties ...boost\tools/build\v1\boost-base.jam:799: in variant ...boost\tools/build\v1\features.jam:179: in boost-build ...boost\boost-build.jam:16: in module scope ...boost\tools/build\v1\borland-tools.jam:182: in include-tools (actually repeated multiple times) any suggestions? Gennadiy