Clang now builds world and kernel, on i386 and amd64

[Pyun YongHyeon]

On Wed, Sep 22, 2010 at 06:47:50PM +0200, Bartosz Stec wrote:
>  On 2010-09-22 12:42, Ren? Ladan wrote:
> >2010/9/22 Dimitry Andric<dim at freebsd.org>:
> >>Hi,
> >>
> >>As of r212979, you should now be able to build world and kernel on i386
> >>and amd64 with clang, without any additional patches!
> >>
> >>To do so, make sure you have updated your installed world to at least
> >>r212904 (which has the most recently imported clang/llvm snapshot), and
> >>put the following in /etc/src.conf:
> >>
> >>.if !defined(CC) || ${CC} == "cc"
> >>CC=clang
> >>.endif
> >>.if !defined(CXX) || ${CXX} == "c++"
> >>CXX=clang++
> >>.endif
> >># Don't die on warnings
> >>NO_WERROR=
> >>WERROR=
> >>
> >
> Just tried it. World has been builded without any problems, but stge 
> kernel module failed to compile:
> 
> ===> stge (all)
> clang -O2 -pipe -march=athlon-xp -fno-strict-aliasing -D_KERNEL 
> -DKLD_MODULE -nostdinc   -DHAVE_KERNEL_OPTION_HEADERS -include 
> /usr/obj/usr/src/sys/ATHLON9/opt_global.h -I. -I@ -I@/contrib/altq 
> -fno-common  -I/usr/obj/usr/src/sys/ATHLON9  -mno-mmx -mno-3dnow 
> -mno-sse -mno-sse2 -mno-sse3 -ffreestanding -fstack-protector 
> -std=iso9899:1999 -fstack-protector -Wall -Wredundant-decls 
> -Wnested-externs -Wstrict-prototypes  -Wmissing-prototypes 
> -Wpointer-arith -Winline -Wcast-qual  -Wundef -Wno-pointer-sign 
> -fformat-extensions -c /usr/src/sys/modules/stge/../../dev/stge/if_stge.c
> /usr/src/sys/modules/stge/../../dev/stge/if_stge.c:1947:5: error: 
> 'break' statement not in loop or switch statement
>                                 break;
>                                 ^
> /usr/src/sys/modules/stge/../../dev/stge/if_stge.c:1953:6: error: 
> 'break' statement not in loop or switch statement
>                                         break
> 

I committed the fix. Sorry for the breakage.