samba - May 2003 - Compilation warnings for Samba 2.2.8a on Solaris 2.6

I received the following warnings building V2.2.8a on Sun Solaris 2.6, using
gcc V2.7.2.2.  Should I be worried?

Thanks,

M P Shakespeare
BTexact UK

Compiling libsmb/clireadwrite.c
libsmb/clireadwrite.c: In function `cli_issue_read':
libsmb/clireadwrite.c:60: warning: right shift count >= width of type
libsmb/clireadwrite.c:60: warning: right shift count >= width of type
libsmb/clireadwrite.c:60: warning: right shift count >= width of type
libsmb/clireadwrite.c:60: warning: right shift count >= width of type
libsmb/clireadwrite.c: In function `cli_issue_write':
libsmb/clireadwrite.c:288: warning: right shift count >= width of type
libsmb/clireadwrite.c:288: warning: right shift count >= width of type
libsmb/clireadwrite.c:288: warning: right shift count >= width of type
libsmb/clireadwrite.c:288: warning: right shift count >= width of type


Compiling passdb/secrets.c
passdb/secrets.c: In function `secrets_fetch':
passdb/secrets.c:59: warning: assignment discards `const' from pointer
target ty
pe
passdb/secrets.c: In function `secrets_store':
passdb/secrets.c:74: warning: assignment discards `const' from pointer
target ty
pe
passdb/secrets.c:76: warning: assignment discards `const' from pointer
target ty
pe
passdb/secrets.c: In function `secrets_delete':
passdb/secrets.c:89: warning: assignment discards `const' from pointer
target ty
pe


Compiling lib/util_str.c
lib/util_str.c: In function `toktocliplist':
lib/util_str.c:104: warning: assignment discards `const' from pointer target
typ
e       

Compiling tdb/tdbutil.c
tdb/tdbutil.c: In function `tdb_chainlock_with_timeout':
tdb/tdbutil.c:46: warning: passing arg 1 of `tdb_set_lock_alarm' discards
`volat
ile' from pointer target type
tdb/tdbutil.c: In function `tdb_lock_bystring':
tdb/tdbutil.c:73: warning: assignment discards `const' from pointer target
type
tdb/tdbutil.c: In function `tdb_unlock_bystring':
tdb/tdbutil.c:87: warning: assignment discards `const' from pointer target
type
tdb/tdbutil.c: In function `tdb_fetch_int32_byblob':
tdb/tdbutil.c:103: warning: assignment discards `const' from pointer target
type
tdb/tdbutil.c: In function `tdb_store_int32_byblob':
tdb/tdbutil.c:134: warning: assignment discards `const' from pointer target
type
tdb/tdbutil.c: In function `tdb_fetch_uint32_byblob':
tdb/tdbutil.c:162: warning: assignment discards `const' from pointer target
type
tdb/tdbutil.c: In function `tdb_store_uint32_byblob':
tdb/tdbutil.c:194: warning: assignment discards `const' from pointer target
type
tdb/tdbutil.c: In function `tdb_store_by_string':
tdb/tdbutil.c:224: warning: assignment discards `const' from pointer target
type
tdb/tdbutil.c: In function `tdb_fetch_by_string':
tdb/tdbutil.c:242: warning: assignment discards `const' from pointer target
type




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