[Pljava-dev] problem building pl/java in windows vista

first, sorry for my english (im from argentina, dont speak very well)

im trying to build pljava for work with java 1.6 and postgresql 8.4.5.
following several instructions found in internet i did:

- download src of postgresql 8.4.5
- install MinGW/MSYS and compile postgre
- download src of pl/java from cvs (tag java 6)
- compiling java parts of pljava is ok
- compiling c parts (pljava.dll) says:

....
c:/Eric/wsRoca/org.postgresql.pljava/src/C/pljava/Makefile:212: warning:
overriding recipe for target `pljava.dll'
c:/POSTGR~1/8.4/lib/pgxs/src/MAKEFI~1/../../src/Makefile.shlib:422: warning:
ignoring old recipe for target `pljava.dll'
c:/Eric/wsRoca/org.postgresql.pljava/src/C/pljava/Backend.c:48:1: warning:
'Pg_magic_func' redeclared without dllimport attribute: previous dllimport
ignored
c:/Eric/wsRoca/org.postgresql.pljava/src/C/pljava/Backend.c:707:1: warning:
'pg_finfo_javau_call_handler' redeclared without dllimport attribute:
previous dllimport ignored
c:/Eric/wsRoca/org.postgresql.pljava/src/C/pljava/Backend.c:718:1: warning:
'pg_finfo_java_call_handler' redeclared without dllimport attribute:
previous dllimport ignored
c:/Eric/wsRoca/org.postgresql.pljava/src/C/pljava/type/Date.c: In function
'_Date_coerceObject':
c:/Eric/wsRoca/org.postgresql.pljava/src/C/pljava/type/Date.c:43:84:
warning: integer overflow in expression
c:/Eric/wsRoca/org.postgresql.pljava/src/C/pljava/type/Short.c: In function
'_shortArray_coerceObject':
c:/Eric/wsRoca/org.postgresql.pljava/src/C/pljava/type/Short.c:84:4:
warning: passing argument 4 of 'JNI_getIntArrayRegion' from incompatible
pointer type
c:/Eric/wsRoca/org.postgresql.pljava/src/C/include/pljava/JNICalls.h:115:21:
note: expected 'jint *' but argument is of type 'jshort *'

ExecutionPlan.o:ExecutionPlan.c:(.text+0x359): undefined reference to
`_imp__SPI_result'
SPI.o:SPI.c:(.text+0x14): undefined reference to `_imp__SPI_result'
type/Relation.o:Relation.c:(.text+0x2cc): undefined reference to
`_imp__SPI_result'
collect2: ld returned 1 exit status

C:\MinGW\bin\dllwrap.exe: C:\MinGW\bin\gcc exited with status 1
mingw32-make[1]: *** [pljava.dll] Error 1
mingw32-make: *** [c_all] Error 2

Looking the src, i see org.postgresql.pljava\src\C\pljava\SPI.c and
C:\Eric\wsRoca\org.postgresql.pljava\src\C\include\pljava\SPI.h that
aparently extend pgxs\src\backend\executor\spi.c and
pgxs\src\include\executor\spi.h, but looking generated pljava.def i only
see:
....
SPI_initialize @ 449
SPI_releaseSavepoint @ 450
SPI_rollbackSavepoint @ 451
SPI_setSavepoint @ 452
....
(exports from pgxs\src\backend\executor\spi.c are missing)

im not expert of c++, what im doing wrong?
(attach logs from stdout, stderr, and pljava.def)
http://postgresql.1045698.n5.nabble.com/file/n3337664/stdout.log stdout.log
http://postgresql.1045698.n5.nabble.com/file/n3337664/stderr.log stderr.log
http://postgresql.1045698.n5.nabble.com/file/n3337664/pljava.def pljava.def
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