common.mkdir bin

        mkdir -p "bin"
    
common.mkdir bin/darwin-4.0.1

        mkdir -p "bin/darwin-4.0.1"
    
common.mkdir bin/darwin-4.0.1/debug

        mkdir -p "bin/darwin-4.0.1/debug"
    
common.mkdir bin/darwin-4.0.1/debug/link-static

        mkdir -p "bin/darwin-4.0.1/debug/link-static"
    
darwin.compile.c++ bin/darwin-4.0.1/debug/link-static/c.o

    "g++"  -ftemplate-depth-128 -O0 -fno-inline -Wall -g -no-cpp-precomp -gdwarf-2 -Wno-long-double     -c -o "bin/darwin-4.0.1/debug/link-static/c.o" "c.cpp"

darwin.archive bin/darwin-4.0.1/debug/link-static/libc.a

    "/usr/bin/libtool" -static -o "bin/darwin-4.0.1/debug/link-static/libc.a"    "bin/darwin-4.0.1/debug/link-static/c.o"

darwin.compile.c++ bin/darwin-4.0.1/debug/b.o

    "g++"  -ftemplate-depth-128 -O0 -fno-inline -Wall -g -dynamic -no-cpp-precomp -gdwarf-2 -Wno-long-double -fPIC     -c -o "bin/darwin-4.0.1/debug/b.o" "b.cpp"

darwin.link.dll bin/darwin-4.0.1/debug/libb.dylib

    "g++" -dynamiclib -Wl,-single_module -install_name "libb.dylib"  -o "bin/darwin-4.0.1/debug/libb.dylib" "bin/darwin-4.0.1/debug/b.o"      -headerpad_max_install_names -g 

Undefined symbols:
  "c()", referenced from:
      b()    in b.o
ld: symbol(s) not found
collect2: ld returned 1 exit status
darwin.compile.c++ bin/darwin-4.0.1/debug/a.o

    "g++"  -ftemplate-depth-128 -O0 -fno-inline -Wall -g -dynamic -no-cpp-precomp -gdwarf-2 -Wno-long-double -fPIC     -c -o "bin/darwin-4.0.1/debug/a.o" "a.cpp"

darwin.link.dll bin/darwin-4.0.1/debug/liba.dylib

    "g++" -dynamiclib -Wl,-single_module -install_name "liba.dylib"  -o "bin/darwin-4.0.1/debug/liba.dylib" "bin/darwin-4.0.1/debug/a.o"      -headerpad_max_install_names -g 

Undefined symbols:
  "b()", referenced from:
      a()    in a.o
ld: symbol(s) not found
collect2: ld returned 1 exit status
darwin.compile.c++ bin/darwin-4.0.1/debug/main.o

    "g++"  -ftemplate-depth-128 -O0 -fno-inline -Wall -g -dynamic -no-cpp-precomp -gdwarf-2 -Wno-long-double -fPIC     -c -o "bin/darwin-4.0.1/debug/main.o" "main.cpp"

darwin.compile.c++ bin/darwin-4.0.1/debug/d.o

    "g++"  -ftemplate-depth-128 -O0 -fno-inline -Wall -g -dynamic -no-cpp-precomp -gdwarf-2 -Wno-long-double -fPIC     -c -o "bin/darwin-4.0.1/debug/d.o" "d.cpp"

darwin.link.dll bin/darwin-4.0.1/debug/libd.dylib

    "g++" -dynamiclib -Wl,-single_module -install_name "libd.dylib"  -o "bin/darwin-4.0.1/debug/libd.dylib" "bin/darwin-4.0.1/debug/d.o"      -headerpad_max_install_names -g 

...skipped <pbin/darwin-4.0.1/debug>main for lack of <pbin/darwin-4.0.1/debug>liba.dylib...
...failed updating 2 targets...
failure {{{
"['~/Downloads/boost_1_39_0/tools/build/v2/test/../../../jam/src/bin.macosxx86/bjam', '-sBOOST_BUILD_PATH="~/Downloads/boost_1_39_0/tools/build/v2/test"', '-d+2', 'toolset=darwin', '--test-config="~/Downloads/boost_1_39_0/tools/build/v2/test/test-config.jam"', '--ignore-toolset-requirements']" returned 1
}}}
reason {{{
error returned by bjam
}}}
STDOUT {{{
common.mkdir bin

        mkdir -p "bin"
    
common.mkdir bin/darwin-4.0.1

        mkdir -p "bin/darwin-4.0.1"
    
common.mkdir bin/darwin-4.0.1/debug

        mkdir -p "bin/darwin-4.0.1/debug"
    
common.mkdir bin/darwin-4.0.1/debug/link-static

        mkdir -p "bin/darwin-4.0.1/debug/link-static"
    
darwin.compile.c++ bin/darwin-4.0.1/debug/link-static/c.o

    "g++"  -ftemplate-depth-128 -O0 -fno-inline -Wall -g -no-cpp-precomp -gdwarf-2 -Wno-long-double     -c -o "bin/darwin-4.0.1/debug/link-static/c.o" "c.cpp"

darwin.archive bin/darwin-4.0.1/debug/link-static/libc.a

    "/usr/bin/libtool" -static -o "bin/darwin-4.0.1/debug/link-static/libc.a"    "bin/darwin-4.0.1/debug/link-static/c.o"

darwin.compile.c++ bin/darwin-4.0.1/debug/b.o

    "g++"  -ftemplate-depth-128 -O0 -fno-inline -Wall -g -dynamic -no-cpp-precomp -gdwarf-2 -Wno-long-double -fPIC     -c -o "bin/darwin-4.0.1/debug/b.o" "b.cpp"

darwin.link.dll bin/darwin-4.0.1/debug/libb.dylib

    "g++" -dynamiclib -Wl,-single_module -install_name "libb.dylib"  -o "bin/darwin-4.0.1/debug/libb.dylib" "bin/darwin-4.0.1/debug/b.o"      -headerpad_max_install_names -g 

Undefined symbols:
  "c()", referenced from:
      b()    in b.o
ld: symbol(s) not found
collect2: ld returned 1 exit status
darwin.compile.c++ bin/darwin-4.0.1/debug/a.o

    "g++"  -ftemplate-depth-128 -O0 -fno-inline -Wall -g -dynamic -no-cpp-precomp -gdwarf-2 -Wno-long-double -fPIC     -c -o "bin/darwin-4.0.1/debug/a.o" "a.cpp"

darwin.link.dll bin/darwin-4.0.1/debug/liba.dylib

    "g++" -dynamiclib -Wl,-single_module -install_name "liba.dylib"  -o "bin/darwin-4.0.1/debug/liba.dylib" "bin/darwin-4.0.1/debug/a.o"      -headerpad_max_install_names -g 

Undefined symbols:
  "b()", referenced from:
      a()    in a.o
ld: symbol(s) not found
collect2: ld returned 1 exit status
darwin.compile.c++ bin/darwin-4.0.1/debug/main.o

    "g++"  -ftemplate-depth-128 -O0 -fno-inline -Wall -g -dynamic -no-cpp-precomp -gdwarf-2 -Wno-long-double -fPIC     -c -o "bin/darwin-4.0.1/debug/main.o" "main.cpp"

darwin.compile.c++ bin/darwin-4.0.1/debug/d.o

    "g++"  -ftemplate-depth-128 -O0 -fno-inline -Wall -g -dynamic -no-cpp-precomp -gdwarf-2 -Wno-long-double -fPIC     -c -o "bin/darwin-4.0.1/debug/d.o" "d.cpp"

darwin.link.dll bin/darwin-4.0.1/debug/libd.dylib

    "g++" -dynamiclib -Wl,-single_module -install_name "libd.dylib"  -o "bin/darwin-4.0.1/debug/libd.dylib" "bin/darwin-4.0.1/debug/d.o"      -headerpad_max_install_names -g 

...skipped <pbin/darwin-4.0.1/debug>main for lack of <pbin/darwin-4.0.1/debug>liba.dylib...
...failed updating 2 targets...

}}}
STDERR {{{

}}}
stacktrace {{{
at line 560 of ~/Downloads/boost_1_39_0/tools/build/v2/test/BoostBuild.py (fail_test)
	from line 463 of ~/Downloads/boost_1_39_0/tools/build/v2/test/BoostBuild.py (run_build_system)
	from line 53 of library_order.py (<module>)

}}}