...
C:\strawberry\perl\bin\perl.exe -MExtUtils::Mksymlists \
     -e "Mksymlists('NAME'=>\"Devel::Cover\", 'DLBASE' => 'Cover', 'DL_FUNCS' => {  }, 'FUNCLIST' => [], 'IMPORTS' => {  }, 'DL_VARS' => []);"
dlltool --def Cover.def --output-exp dll.exp
g++ -o blib\arch\auto\Devel\Cover\Cover.dll -Wl,--base-file -Wl,dll.base -mdll -s -L"C:\strawberry\perl\lib\CORE" -L"C:\strawberry\c\lib" Cover.o -Wl,
--image-base,0x31410000  C:\strawberry\perl\lib\CORE\libperl510.a C:\strawberry\c\lib\libmsvcrt.a C:\strawberry\c\lib\libmoldname.a C:\strawberry\c\li
b\libkernel32.a C:\strawberry\c\lib\libuser32.a C:\strawberry\c\lib\libgdi32.a C:\strawberry\c\lib\libwinspool.a C:\strawberry\c\lib\libcomdlg32.a C:\
strawberry\c\lib\libadvapi32.a C:\strawberry\c\lib\libshell32.a C:\strawberry\c\lib\libole32.a C:\strawberry\c\lib\liboleaut32.a C:\strawberry\c\lib\l
ibnetapi32.a C:\strawberry\c\lib\libuuid.a C:\strawberry\c\lib\libws2_32.a C:\strawberry\c\lib\libmpr.a C:\strawberry\c\lib\libwinmm.a C:\strawberry\c
\lib\libversion.a C:\strawberry\c\lib\libodbc32.a C:\strawberry\c\lib\libodbccp32.a dll.exp

Cover.o:Cover.c:(.text+0x1d74): undefined reference to `Perl_pp_nextstate'
Cover.o:Cover.c:(.text+0x1d9e): undefined reference to `Perl_pp_nextstate'
... #additional "undefined reference" messages

collect2: ld returned 1 exit status
dmake.EXE:  Error code 129, while making 'blib\arch\auto\Devel\Cover\Cover.dll'
  PJCJ/Devel-Cover-0.63.tar.gz
  C:\strawberry\c\bin\dmake.EXE -- NOT OK