Lindley M French wrote:

...

It does not seem you have tried *exactly* what Steven has suggested.

Ah! Yes, when I do this:

bjam.exe debug runtime-link=static link=static --with-program_options

it at least appears to be *trying* to do the right thing. Still no joy on the burn, though.

...patience... ...found 523 targets... ...updating 26 targets... common.mkdir bin.v2\libs\program_options\build\msvc-8.0\release\link-static\runtime-link-static common.mkdir bin.v2\libs\program_options\build\msvc-8.0\release\link-static\runtime-link-static\threading-multi compile-c-c++

bin.v2\libs\program_options\build\msvc-8.0\release\link-static\runtime-link-static\threading-multi\cmdline.obj

cmdline.cpp libs\program_options\src\cmdline.cpp(272) : warning C4800: 'int' : forcing value to bool 'true' or 'false' (performance warning) compile-c-c++

bin.v2\libs\program_options\build\msvc-8.0\release\link-static\runtime-link-static\threading-multi\config_file.obj

config_file.cpp compile-c-c++

bin.v2\libs\program_options\build\msvc-8.0\release\link-static\runtime-link-static\threading-multi\options_description.obj

options_description.cpp compile-c-c++

bin.v2\libs\program_options\build\msvc-8.0\release\link-static\runtime-link-static\threading-multi\parsers.obj

parsers.cpp compile-c-c++

bin.v2\libs\program_options\build\msvc-8.0\release\link-static\runtime-link-static\threading-multi\variables_map.obj

variables_map.cpp compile-c-c++

bin.v2\libs\program_options\build\msvc-8.0\release\link-static\runtime-link-static\threading-multi\value_semantic.obj

value_semantic.cpp compile-c-c++

bin.v2\libs\program_options\build\msvc-8.0\release\link-static\runtime-link-static\threading-multi\positional_options.obj

positional_options.cpp compile-c-c++

bin.v2\libs\program_options\build\msvc-8.0\release\link-static\runtime-link-static\threading-multi\utf8_codecvt_facet.obj

utf8_codecvt_facet.cpp compile-c-c++

bin.v2\libs\program_options\build\msvc-8.0\release\link-static\runtime-link-static\threading-multi\convert.obj

convert.cpp compile-c-c++

bin.v2\libs\program_options\build\msvc-8.0\release\link-static\runtime-link-static\threading-multi\winmain.obj

winmain.cpp failed to write output file 'bin.v2\libs\program_options\build\msvc-8.0\release\link-static\runtime-link-static\threading-multi\libboost_program_optio ns-vc80-mt-s-1_39.lib.rsp'!

What could cause this? All the other builds have worked fine, and I'm not low on drive space or anything.

Maybe you run into path limits on Windows? Try passing --abbreviate-paths. - Volodya