Problem Report amd64/78848 "sis driver on FreeBSD 5.x does not work on amd64"

[Stasys Smailys]

John Baldwin wrote:
> On Monday 28 March 2005 04:13 am, Stasys Smailys wrote:
> 
[skipped]
>>/usr/src/lib/libc/i386/sys/_amd64_get_fsbase.c:
>>[...]
>>ret = sysarch(_AMD64_GET_FSBASE, (void *)(&addr64));
>>[...]
>>
>>/usr/src/lib/libc/i386/sys/_amd64_get_gsbase.c:
>>[...]
>>ret = sysarch(_AMD64_GET_GSBASE, (void *)(&addr64));
>>[...]
> 
> 
> addr64 is supposed to be a pointer though, so it really is a pointer to a 
> pointer that's being passed (void **).
> 

Strange. If this is an expected behavior why then I couldn't "make 
buildworld" till I changed (void **) to (void *)?

cc -m32 -march=athlon-xp -msse2 -mfancy-math-387 -DCOMPAT_32BIT 
-I/usr/obj/usr/src/lib32/usr/include  -L/usr/obj/usr/src/lib32/usr/lib32 
  -B/usr/obj/usr/src/lib32/usr/lib32 -O2 -frename-registers -pipe 
-I/usr/src/lib/libc/include -I/usr/src/lib/libc/../../include 
-I/usr/src/lib/libc/i386 -D__DBINTERFACE_PRIVATE 
-I/usr/src/lib/libc/../../contrib/gdtoa -DINET6 
-I/usr/obj/lib32/usr/src/lib/libc -DPOSIX_MISTAKE 
-I/usr/src/lib/libc/locale -DBROKEN_DES -DPORTMAP -DDES_BUILTIN 
-I/usr/src/lib/libc/rpc -DYP -DHESIOD -Wsystem-headers -Werror -Wall 
-Wno-format-y2k -Wno-uninitialized -c 
/usr/src/lib/libc/i386/sys/_amd64_get_fsbase.c
/usr/src/lib/libc/i386/sys/_amd64_get_fsbase.c: In function 
`_amd64_get_fsbase':
/usr/src/lib/libc/i386/sys/_amd64_get_fsbase.c:40: warning: 
dereferencing type-punned pointer will break strict-aliasing rules
*** Error code 1

Stop in /usr/src/lib/libc.
*** Error code 1

Stop in /usr/src/lib.
*** Error code 1

Stop in /usr/src.
*** Error code 1

Stop in /usr/src.
*** Error code 1

Stop in /usr/src.
*** Error code 1

Stop in /usr/src.

Ah, I see now. Because of -Werror, right?

cya