[head tinderbox] failure on arm/arm
Ruslan Ermilov
ru at freebsd.org
Sun Nov 12 14:00:46 UTC 2006
On Sun, Nov 12, 2006 at 08:39:29AM -0500, FreeBSD Tinderbox wrote:
> >>> stage 4.2: building libraries
> [...]
> cc -O2 -pipe -I/obj/arm/src/lib/libelf -I/src/lib/libelf -DLIBELF_TEST_HOOKS=1 -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 -Wcast-align -Wunused-parameter -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls -c /src/lib/libelf/elf_getident.c
> cc -O2 -pipe -I/obj/arm/src/lib/libelf -I/src/lib/libelf -DLIBELF_TEST_HOOKS=1 -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 -Wcast-align -Wunused-parameter -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls -c /src/lib/libelf/elf_hash.c
> cc -O2 -pipe -I/obj/arm/src/lib/libelf -I/src/lib/libelf -DLIBELF_TEST_HOOKS=1 -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 -Wcast-align -Wunused-parameter -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls -c /src/lib/libelf/elf_kind.c
> cc -O2 -pipe -I/obj/arm/src/lib/libelf -I/src/lib/libelf -DLIBELF_TEST_HOOKS=1 -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 -Wcast-align -Wunused-parameter -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls -c /src/lib/libelf/elf_memory.c
> cc -O2 -pipe -I/obj/arm/src/lib/libelf -I/src/lib/libelf -DLIBELF_TEST_HOOKS=1 -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 -Wcast-align -Wunused-parameter -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls -c /src/lib/libelf/elf_next.c
> cc -O2 -pipe -I/obj/arm/src/lib/libelf -I/src/lib/libelf -DLIBELF_TEST_HOOKS=1 -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 -Wcast-align -Wunused-parameter -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls -c /src/lib/libelf/elf_rand.c
> /src/lib/libelf/elf_rand.c: In function `elf_rand':
> /src/lib/libelf/elf_rand.c:47: warning: cast increases required alignment of target type
> *** Error code 1
>
> Stop in /src/lib/libelf.
> *** Error code 1
>
This looks like a GCC bug to me. The following code snippet,
when compiled on FreeBSD/arm, causes a -Wcast-align warning
which doesn't look right:
%%%
$ cat a.c
struct foo {
char x;
};
struct foo *
bubu(char *s)
{
return (struct foo *)s;
}
$ cc -c -Wcast-align a.c
a.c: In function `bubu':
a.c:9: warning: cast increases required alignment of target type
%%%
(None of other supported architecutes see the issue here.)
Cheers,
--
Ruslan Ermilov
ru at FreeBSD.org
FreeBSD committer
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