newfs_nandfs compile error 11-STABLE

[Ronald Klop]

On Wed, 05 Apr 2017 12:46:01 +0200, Ronald Klop <ronald-lists at klop.ws>  
wrote:

> Hi,
>
> I'm building 11-STABLE for SHEEVAPLUG on a 12-CURRENT/amd64.
> I get this compile error.
> How can I resolve this without a clean build? I would like to prevent  
> recompiling llvm for 12 hours.
>
> --- newfs_nandfs.o ---
> cc  -O -pipe   -g -MD  -MF.depend.newfs_nandfs.o -MTnewfs_nandfs.o  
> -std=gnu99 -Wsystem-headers -Werror -Wall -Wno-format-y2k -W  
> -Wno-unused-parameter -Wstrict-prototypes -Wmissing-prototypes  
> -Wpointer-arith -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch  
> -Wshadow -Wunused-parameter -Wcast-align -Wchar-subscripts -Winline  
> -Wnested-externs -Wredundant-decls -Wold-style-definition  
> -Wno-pointer-sign -Wmissing-variable-declarations -Wthread-safety  
> -Wno-empty-body -Wno-string-plus-int -Wno-unused-const-variable   
> -Qunused-arguments  -c /usr/src-arm/sbin/newfs_nandfs/newfs_nandfs.c -o  
> newfs_nandfs.o
> /usr/src-arm/sbin/newfs_nandfs/newfs_nandfs.c:543:11: error: taking  
> address of packed member 'f_uuid' of class or structure 'nandfs_fsdata'  
> may result in an unaligned pointer value  
> [-Werror,-Waddress-of-packed-member]
>          uuidgen(&fsdata.f_uuid, 1);
>                   ^~~~~~~~~~~~~
> 1 error generated.
> *** [newfs_nandfs.o] Error code 1
>
> make[4]: stopped in /usr/src-arm/sbin/newfs_nandfs
> 1 error
>
> make[4]: stopped in /usr/src-arm/sbin/newfs_nandfs
> *** [all_subdir_sbin/newfs_nandfs] Error code 2
>
>
> Do I have to clean and rebuild some specific library?
> Or something else?
>
> Regards,
> Ronald.

I cleaned, did rm -r /usr/obj-arm/*, waited for half a day compiling llvm  
and got the same error.
This is while compiling 11-STABLE/arm on 12-CURRENT/amd64.

===> sbin/newfs_nandfs (all)
echo newfs_nandfs.full:  
/usr/obj-arm/arm.arm/usr/src-arm/tmp/usr/lib/libc.a /usr
/obj-arm/arm.arm/usr/src-arm/tmp/usr/lib/libgeom.a >> .depend
cc  -O -pipe   -g -MD  -MF.depend.newfs_nandfs.o -MTnewfs_nandfs.o  
-std=gnu99 -W
system-headers -Werror -Wall -Wno-format-y2k -W -Wno-unused-parameter  
-Wstrict-p
rototypes -Wmissing-prototypes -Wpointer-arith -Wreturn-type -Wcast-qual  
-Wwrite
-strings -Wswitch -Wshadow -Wunused-parameter -Wcast-align  
-Wchar-subscripts -Wi
nline -Wnested-externs -Wredundant-decls -Wold-style-definition  
-Wno-pointer-sig
n -Wmissing-variable-declarations -Wthread-safety -Wno-empty-body  
-Wno-string-pl
us-int -Wno-unused-const-variable  -Qunused-arguments  -c  
/usr/src-arm/sbin/newf
s_nandfs/newfs_nandfs.c -o newfs_nandfs.o
/usr/src-arm/sbin/newfs_nandfs/newfs_nandfs.c:543:11: error: taking  
address of p
acked member 'f_uuid' of class or structure 'nandfs_fsdata' may result in  
an una
ligned pointer value [-Werror,-Waddress-of-packed-member]
         uuidgen(&fsdata.f_uuid, 1);
                  ^~~~~~~~~~~~~
1 error generated.
*** Error code 1


Any ideas?

Ronald.