id summary reporter owner description type status milestone component version severity resolution keywords cc 2141 "(Windows) in tools/jam/src ""build.bat toolset"" does not recognize toolset" Arnaud Cheritat René Rivera "In a Windows command prompt, when I type build.bat mingw The guy claims I want msvc. Apparently, in the batch file, the subroutine that tries to determine whether a command line option is of the form ""--option"" fails. I had to tweak the batch file to enforce BOOST_JAM_TOOLSET=%1 This had the drawback of forcing me to remove %args% on the very last instruction of the batch file. Then bjam.exe was build. gcc (GCC) 3.4.5 (mingw special)[[BR]] OS: Windows Vista Family Premium 32bits SP1[[BR]] Processor: AMD Athlon 64 X2 4000+, but you probably don't care.[[BR]]" Bugs closed Boost.Jam 3.1.17 bjam Boost.Jam 3.1.16 Problem fixed building bjam windows