New compile warnings

I am seeing the following compile warnings in CVS. I am using for perl:
Summary of my perl5 (5.0 patchlevel 5 subversion 3) configuration:

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gmake[2]: Leaving directory `/usr/var/local/src/gen/pgsql/CURRENT/pgsql/src/test/regress'
gmake[1]: Leaving directory `/usr/var/local/src/gen/pgsql/CURRENT/pgsql/src/test'
plperl.c:948: warning: `ret_hv' might be used uninitialized in this function
plperl.c:949: warning: `ret_av' might be used uninitialized in this function
/usr/libdata/perl5/5.00503/i386-bsdos/CORE/patchlevel.h:41: warning: `local_patches' defined but not used
ppport.h:564: warning: `sv_2pv_nolen' defined but not used
/usr/libdata/perl5/5.00503/i386-bsdos/CORE/patchlevel.h:41: warning: `local_patches' defined but not used
ppport.h:564: warning: `sv_2pv_nolen' defined but not used
SPI.c:25: warning: no previous prototype for `XS__elog'
SPI.c:40: warning: no previous prototype for `XS__DEBUG'
SPI.c:55: warning: no previous prototype for `XS__LOG'
SPI.c:70: warning: no previous prototype for `XS__INFO'
SPI.c:85: warning: no previous prototype for `XS__NOTICE'
SPI.c:100: warning: no previous prototype for `XS__WARNING'
SPI.c:115: warning: no previous prototype for `XS__ERROR'
SPI.c:130: warning: no previous prototype for `XS__spi_exec_query'
SPI.c:157: warning: no previous prototype for `boot_SPI'
SPI.c:158: warning: unused variable `items'
/usr/libdata/perl5/5.00503/i386-bsdos/CORE/patchlevel.h:41: warning: `local_patches' defined but not used
ppport.h:564: warning: `sv_2pv_nolen' defined but not used

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