D:\Perl\bin\perl.exe D:\Perl\lib\ExtUtils\xsubpp  -typemap D:\Perl\lib\E
xtUtils\typemap  simple.xs > simple.xsc && D:\Perl\bin\perl.exe -MExtUtils::Comm
and -e mv simple.xsc simple.c
Please specify prototyping behavior for simple.xs (see perlxs manual)
        cl -c  -I.  -nologo -GF -W3 -MD -Zi -DNDEBUG -O1 -DWIN32 -D_CONSOLE -DNO
_STRICT -DHAVE_DES_FCRYPT -DNO_HASH_SEED -DUSE_SITECUSTOMIZE -DPRIVLIB_LAST_IN_I
NC -DPERL_IMPLICIT_CONTEXT -DPERL_IMPLICIT_SYS -DUSE_PERLIO -DPERL_MSVCRT_READFI
X -MD -Zi -DNDEBUG -O1    -DVERSION=\"0.01\"  -DXS_VERSION=\"0.01\"  "-ID:\Perl\
lib\CORE"   simple.c
simple.c
        link -out:blib\arch\auto\simple\simple.dll -dll -nologo -nodefaultlib -d
ebug -opt:ref,icf  -libpath:"D:\Perl\lib\CORE"  -machine:x86 simple.obj   D:\Per
l\lib\CORE\perl58.lib oldnames.lib kernel32.lib user32.lib gdi32.lib winspool.li
b  comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib  netapi32.lib uu
id.lib ws2_32.lib mpr.lib winmm.lib  version.lib odbc32.lib odbccp32.lib msvcrt.
lib -def:simple.def
simple.def : error LNK2001: unresolved external symbol boot_simple
simple.def : error LNK2001: unresolved external symbol boot_simple
blib\arch\auto\simple\simple.lib : fatal error LNK1120: 2 unresolved externals
NMAKE : fatal error U1077: '"C:\Program Files\Microsoft Visual Studio 9.0\VC\BIN
\link.EXE"' : return code '0x460'
Stop.