I just got through compiling and installing user-land using gcc 3.3 from 
pkgsrc.  It compiles (and runs) with just a couple of minor blemishes 
during compilation (listed below).  Now on to xsrc...

Thanks everyone,

Sverre

Sources from 2003-05-31.  i386

/etc/mk.conf:

OBJMACHINE=yes
MKOBJDIRS=yes
TOOLDIR=/usr/tools.i386
USETOOLS_GCC=no
USE_GCC3=yes
CC=/usr/pkg/gcc-3.3/bin/cc
CPP=/usr/pkg/gcc-3.3/bin/cpp
CXX=/usr/pkg/gcc-3.3/bin/c++
MKGCC=no

Errors during compilation:

gcc3.3 chokes on /usr/src/gnu/dist/toolchain/gcc/longlong.h

Fix: Skip compiling gcc by adding MKGCC=no to /etc/mk.conf

/usr/src-current/gnu/dist/toolchain/binutils/readelf.c: In function 
`dump_ia64_unwind':
/usr/src-current/gnu/dist/toolchain/binutils/readelf.c:3846: warning: 
integer constant is too large for "long" type
...

Fix: Turn off -Werror

addftinfo.o: In function `convert_font(font_params const&, __sFILE*, 
__sFILE*)': addftinfo.o(.text+0x689): undefined reference to 
`_Unwind_Resume'
(plus several more like this in groff)

Fix: add -lgcc_s

/usr/src-current/dist/smbfs/lib/smb/mbuf.c: In function `mb_put_uint8':
/usr/src-current/dist/smbfs/lib/smb/mbuf.c:229: warning: dereferencing 
type-punned pointer will break strict-aliasing rules
...

Fix: Turn off -Werror

/usr/src-current/dist/smbfs/lib/smb/nbns_rq.c: In function 
`nbns_rq_prepare':
/usr/src-current/dist/smbfs/lib/smb/nbns_rq.c:244: warning: 
dereferencing type-punned pointer will break strict-aliasing rules

/usr/src-current/usr.bin/less/less/tags.c:69: warning: type-punning to 
incomplete type might break strict-aliasing rules
...

Fix: Turn off -Werror

/usr/src-current/sys/arch/i386/stand/lib/comio_direct.c:114:15: extra 
tokens at end of #undef directive

Fix: remove extra tokens

/usr/src-current/sys/arch/i386/stand/boot/boot2.c: In function `boot2':
/usr/src-current/sys/arch/i386/stand/boot/boot2.c:266: warning: 
operation on `currname' may be undefined

Fix: Turn off -Werror

/usr/src-current/sys/arch/i386/stand/lib/crt/dos/doscommain.c: In 
function `doscommain':
/usr/src-current/sys/arch/i386/stand/lib/crt/dos/doscommain.c:109: 
warning: deprecated use of label at end of compound statement

Fix: Turn off -Werror

/usr/src-current/sys/arch/i386/i386/svr4_machdep.c: In function 
`svr4_fasttrap':
/usr/src-current/sys/arch/i386/i386/svr4_machdep.c:580: warning: 
dereferencing type-punned pointer will break strict-aliasing rules
...

Fix: Turn off -Werror

/usr/src-current/regress/usr.bin/rtld/testlib/construct.cc:5:20: 
iostream: No such file or directory

Fix: Run make in testlib