blitzkost perl 5.12 make failure

cc -c -o src/pmc/bkmarshal.o -I/Users/adrian/Development/Perl6/rakudo/parrot_install/include/2.3.0-devel -I/Users/adrian/Development/Perl6/rakudo/parrot_install/include/2.3.0-devel/pmc -fno-common -no-cpp-precomp  -pipe -fstack-protector -I/usr/local/include -I/opt/local/include -pipe -fno-common  -DHASATTRIBUTE_CONST  -DHASATTRIBUTE_DEPRECATED  -DHASATTRIBUTE_MALLOC  -DHASATTRIBUTE_NONNULL  -DHASATTRIBUTE_NORETURN  -DHASATTRIBUTE_PURE  -DHASATTRIBUTE_UNUSED  -DHASATTRIBUTE_WARN_UNUSED_RESULT  -DDISABLE_GC_DEBUG=1 -DNDEBUG -DHAS_GETTEXT    -falign-functions=16 -fvisibility=hidden -funit-at-a-time -maccumulate-outgoing-args -W -Wall -Waggregate-return -Wcast-align -Wcast-qual -Wchar-subscripts -Wcomment -Wdisabled-optimization -Wdiv-by-zero -Wendif-labels -Wextra -Wformat -Wformat-extra-args -Wformat-nonliteral -Wformat-security -Wformat-y2k -Wimplicit -Wimport -Winit-self -Winline -Winvalid-pch -Wmissing-braces -Wmissing-field-initializers -Wno-missing-format-attribute -Wmissing-include-dirs -Wmultichar -Wpacked -Wparentheses -Wpointer-arith -Wpointer-sign -Wreturn-type -Wsequence-point -Wno-shadow -Wsign-compare -Wstrict-aliasing -Wstrict-aliasing=2 -Wswitch -Wswitch-default -Wtrigraphs -Wundef -Wno-unused -Wunknown-pragmas -Wvariadic-macros -Wwrite-strings -Wbad-function-cast -Wc++-compat -Wdeclaration-after-statement -Werror=declaration-after-statement -Wimplicit-function-declaration -Wimplicit-int -Wmain -Wmissing-declarations -Wmissing-prototypes -Wnested-externs -Wnonnull -Wold-style-definition -Wstrict-prototypes  -DHAVE_COMPUTED_GOTO   -fno-common -DPERL_DARWIN -no-cpp-precomp -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include -I/opt/local/include  -I/usr/local/lib/perl5/5.12.0/darwin-2level/CORE  src/pmc/bkmarshal.c
In file included from /usr/local/lib/perl5/5.12.0/darwin-2level/CORE/perl.h:2429,
                 from src/pmc/blizkost.h:51,
                 from src/pmc/bkmarshal.c:25:
/usr/local/lib/perl5/5.12.0/darwin-2level/CORE/handy.h:108:1: warning: "bool" redefined
In file included from /usr/include/dlfcn.h:40,
                 from /Users/adrian/Development/Perl6/rakudo/parrot_install/include/2.3.0-devel/parrot/feature.h:52,
                 from /Users/adrian/Development/Perl6/rakudo/parrot_install/include/2.3.0-devel/parrot/config.h:174,
                 from /Users/adrian/Development/Perl6/rakudo/parrot_install/include/2.3.0-devel/parrot/parrot.h:31,
                 from src/pmc/bkmarshal.c:21:
/usr/lib/gcc/i686-apple-darwin10/4.2.1/include/stdbool.h:36:1: warning: this is the location of the previous definition
src/pmc/bkmarshal.c:271: warning: initialization from incompatible pointer type
src/pmc/bkmarshal.c: In function ‘blizkost_callable_trampoline’:
src/pmc/bkmarshal.c:321: error: ‘my_perl’ undeclared (first use in this function)
src/pmc/bkmarshal.c:321: error: (Each undeclared identifier is reported only once
src/pmc/bkmarshal.c:321: error: for each function it appears in.)
make: *** [src/pmc/bkmarshal.o] Error 1