I've found ExtUtils::Embed's output is affected by arg. sequence:

C:\>perl -MExtUtils::Embed -e"ldopts" -e"ccopts"
Set up gcc environment - 3.4.5 (mingw-vista special r3)
 -DNDEBUG -DWIN32 -D_CONSOLE -DNO_STRICT -DHAVE_DES_FCRYPT -DUSE_SITEC
+USTOMIZE -
DPERL_IMPLICIT_CONTEXT -DPERL_IMPLICIT_SYS -DUSE_PERLIO -D_USE_32BIT_T
+IME_T -DPE
RL_MSVCRT_READFIX -DHASATTRIBUTE -fno-strict-aliasing -mms-bitfields  
+-I"C:\Perl
\lib\CORE"


C:\>perl -MExtUtils::Embed -e"ccopts" -e"ldopts"
Set up gcc environment - 3.4.5 (mingw-vista special r3)
  -L"C:\Perl\lib\CORE"  C:\Perl\lib\CORE\perl512.lib C:\Perl\site\lib\
+auto\MinGW
\lib\libkernel32.a C:\Perl\site\lib\auto\MinGW\lib\libuser32.a C:\Perl
+\site\lib\
auto\MinGW\lib\libgdi32.a C:\Perl\site\lib\auto\MinGW\lib\libwinspool.
+a C:\Perl\
site\lib\auto\MinGW\lib\libcomdlg32.a C:\Perl\site\lib\auto\MinGW\lib\
+libadvapi3
2.a C:\Perl\site\lib\auto\MinGW\lib\libshell32.a C:\Perl\site\lib\auto
+\MinGW\lib
\libole32.a C:\Perl\site\lib\auto\MinGW\lib\liboleaut32.a C:\Perl\site
+\lib\auto\
MinGW\lib\libnetapi32.a C:\Perl\site\lib\auto\MinGW\lib\libuuid.a C:\P
+erl\site\l
ib\auto\MinGW\lib\libws2_32.a C:\Perl\site\lib\auto\MinGW\lib\libmpr.a
+ C:\Perl\s
ite\lib\auto\MinGW\lib\libwinmm.a C:\Perl\site\lib\auto\MinGW\lib\libv
+ersion.a C
:\Perl\site\lib\auto\MinGW\lib\libodbc32.a C:\Perl\site\lib\auto\MinGW
+\lib\libod
bccp32.a C:\Perl\site\lib\auto\MinGW\lib\libcomctl32.a C:\Perl\site\li
+b\auto\Min
GW\lib\libmsvcrt.a
 -DNDEBUG -DWIN32 -D_CONSOLE -DNO_STRICT -DHAVE_DES_FCRYPT -DUSE_SITEC
+USTOMIZE -
DPERL_IMPLICIT_CONTEXT -DPERL_IMPLICIT_SYS -DUSE_PERLIO -D_USE_32BIT_T
+IME_T -DPE
RL_MSVCRT_READFIX -DHASATTRIBUTE -fno-strict-aliasing -mms-bitfields  
+-I"C:\Perl
\lib\CORE"
[download]

as above, if you put ldopts before ccopts, perl will omit it silently. Is it a bug or feature? it's really a pitfall to me tho ;)

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