b2 --build-dir="D:boost1.51.0boost" toolset=gcc variant=release link=static threading=multi  runtime-link=static --build-type=complete

D:/boost/1.51.0/src/tools/build/v2/buildgenerators.jam:1085: in ensure-type from module generators
error: target { simple_event_log.mc. } has no type
D:/boost/1.51.0/src/tools/build/v2/buildgenerators.jam:1319: in generators.construct from module generators
D:/boost/1.51.0/src/tools/build/v2/buildtargets.jam:1495: in construct from module object(typed-target)@491
D:/boost/1.51.0/src/tools/build/v2/buildtargets.jam:1298: in object(typed-target)@491.generate from module object(typed-target)@491
D:/boost/1.51.0/src/tools/build/v2/buildtargets.jam:732: in generate-really from module object(main-target)@1871

D:/boost/1.51.0/src/tools/build/v2/buildtargets.jam:704: in object(main-target)@1871.generate from module object(main-target)@1871
D:/boost/1.51.0/src/tools/build/v2/buildtargets.jam:258: in object(project-target)@474.generate from module object(project-target)@474
D:/boost/1.51.0/src/tools/build/v2/buildtargets.jam:848: in targets.generate-from-reference from module targets D:/boost/1.51.0/src/tools/build/v2/buildtargets.jam:1217: in generate-dependencies from module object(install-target-class)@96
D:/boost/1.51.0/src/tools/build/v2/buildtargets.jam:1269: in object(install-target-class)@96.generate from module object(install-target-class)@96
D:/boost/1.51.0/src/tools/build/v2/buildtargets.jam:732: in generate-really from module object(main-target)@930 D:/boost/1.51.0/src/tools/build/v2/buildtargets.jam:704: in object(main-target)@930.generate from module object(main-target)@930
D:/boost/1.51.0/src/tools/build/v2/buildtargets.jam:848: in targets.generate-from-reference from module targets D:/boost/1.51.0/src/tools/build/v2/buildtargets.jam:1217: in generate-dependencies from module object(top-level-target)@103
D:/boost/1.51.0/src/tools/build/v2/buildtargets.jam:1269: in alias-target-class.generate from module object(top-level-target)@103
D:/boost/1.51.0/srcboostcpp.jam:391: in build-multiple from module object(top-level-target)@103
D:/boost/1.51.0/srcboostcpp.jam:376: in object(top-level-target)@103.generate from module object(top-level-target)@103
D:/boost/1.51.0/src/tools/build/v2/buildtargets.jam:732: in generate-really from module object(main-target)@934 D:/boost/1.51.0/src/tools/build/v2/buildtargets.jam:704: in object(main-target)@934.generate from module object(main-target)@934
D:/boost/1.51.0/src/tools/build/v2/buildtargets.jam:848: in targets.generate-from-reference from module targets D:/boost/1.51.0/src/tools/build/v2/buildtargets.jam:1217: in generate-dependencies from module object(top-level-target)@104
D:/boost/1.51.0/src/tools/build/v2/buildtargets.jam:1269: in alias-target-class.generate from module object(top-level-target)@104
D:/boost/1.51.0/srcboostcpp.jam:391: in build-multiple from module object(top-level-target)@104
D:/boost/1.51.0/srcboostcpp.jam:376: in object(top-level-target)@104.generate from module object(top-level-target)@104
D:/boost/1.51.0/src/tools/build/v2/buildtargets.jam:732: in generate-really from module object(main-target)@935 D:/boost/1.51.0/src/tools/build/v2/buildtargets.jam:704: in object(main-target)@935.generate from module object(main-target)@935
D:/boost/1.51.0/src/tools/build/v2/buildtargets.jam:258: in object(project-target)@42.generate from module object(project-target)@42
D:/boost/1.51.0/src/tools/build/v2build-system.jam:736: in load from module build-system
D:boost1.51.0srctoolsbuildv2/kernelmodules.jam:283: in import from module modules
D:boost1.51.0srctoolsbuildv2/kernel/bootstrap.jam:142: in boost-build from module
D:boost1.51.0srcboost-build.jam:17: in module scope from module

import common ;
import generators ;
import feature : feature get-values ;
import toolset : flags ;
import type ;
import rc ;

feature.feature mc-compiler : mc windmc : propagated ;
feature.set-default mc-compiler : mc ;

rule init ( )
{
}

type.register MC : mc ;


# Command line options
feature mc-input-encoding : ansi unicode : free ;
feature mc-output-encoding : unicode ansi : free ;
feature mc-set-customer-bit : no yes : free ;

flags mc.compile MCFLAGS <mc-input-encoding>ansi : -a ;
flags mc.compile MCFLAGS <mc-input-encoding>unicode : -u ;
flags mc.compile MCFLAGS <mc-output-encoding>ansi : -A ;
flags mc.compile MCFLAGS <mc-output-encoding>unicode : -U ;
flags mc.compile MCFLAGS <mc-set-customer-bit>no : ;
flags mc.compile MCFLAGS <mc-set-customer-bit>yes : -c ;

generators.register-standard mc.compile.mc : MC : H RC : <mc-compiler>mc ;
generators.register-standard mc.compile.windmc : MC : H RC : <mc-compiler>windmc ;

actions compile.mc
{
    mc $(MCFLAGS) -h "$(<[1]:DW)" -r "$(<[2]:DW)" "$(>:W)"
}

actions compile.windmc
{
    windmc $(MCFLAGS) -h "$(<[1]:DW)" -r "$(<[2]:DW)" "$(>:W)"
}

b2 toolset=gcc --build-type=complete threading=multi architecture=x86 address-model=32 --with-log define=BOOST_LOG_USE_CHAR --stagedir=.