Re: git: eca005d8531f - main - zlib: silence K&R warns

From: Mateusz Guzik <mjguzik_at_gmail.com>
Date: Sun, 12 Feb 2023 21:54:28 UTC
On 2/12/23, Warner Losh <imp@bsdimp.com> wrote:
> On Sun, Feb 12, 2023 at 2:40 PM Mateusz Guzik <mjguzik@gmail.com> wrote:
>
>> On 2/12/23, Jessica Clarke <jrtc27@freebsd.org> wrote:
>> > On 12 Feb 2023, at 21:23, Mateusz Guzik <mjguzik@gmail.com> wrote:
>> >>
>> >> On 2/12/23, Jessica Clarke <jrtc27@freebsd.org> wrote:
>> >>> On 12 Feb 2023, at 21:13, Mateusz Guzik <mjg@FreeBSD.org> wrote:
>> >>>>
>> >>>> The branch main has been updated by mjg:
>> >>>>
>> >>>> URL:
>> >>>>
>> https://cgit.FreeBSD.org/src/commit/?id=eca005d8531fd153f46f941f3101e73cdf181a0b
>> >>>>
>> >>>> commit eca005d8531fd153f46f941f3101e73cdf181a0b
>> >>>> Author:     Mateusz Guzik <mjg@FreeBSD.org>
>> >>>> AuthorDate: 2023-02-12 21:12:34 +0000
>> >>>> Commit:     Mateusz Guzik <mjg@FreeBSD.org>
>> >>>> CommitDate: 2023-02-12 21:12:34 +0000
>> >>>>
>> >>>>   zlib: silence K&R warns
>> >>>>
>> >>>>   Sponsored by:   Rubicon Communications, LLC ("Netgate")
>> >>>> ---
>> >>>> sys/conf/files            | 18 +++++++++++-------
>> >>>> sys/modules/zlib/Makefile |  2 ++
>> >>>> 2 files changed, 13 insertions(+), 7 deletions(-)
>> >>>>
>> >>>> diff --git a/sys/conf/files b/sys/conf/files
>> >>>> index 9171b434a7bf..53f90f7afc22 100644
>> >>>> --- a/sys/conf/files
>> >>>> +++ b/sys/conf/files
>> >>>> @@ -4099,28 +4099,32 @@ libkern/strtouq.c          standard
>> >>>> libkern/strvalid.c         standard
>> >>>> libkern/timingsafe_bcmp.c  standard
>> >>>> contrib/zlib/adler32.c             optional crypto | geom_uzip | \
>> >>>> -  mxge | ddb_ctf | gzio | zfs | zlib
>> >>>> +  mxge | ddb_ctf | gzio | zfs | zlib \
>> >>>> +  compile-with "${NORMAL_C} -Wno-deprecated-non-prototype"
>> >>>
>> >>> This doesn’t exist pre-Clang 15.
>> >>>
>> >>
>> >> this is main-only and it already has llvm15. the build requirement is
>> >> top of the branch, so I don't see a problem.
>> >>
>> >> if you ran into trouble cross-compiling, you should probably update
>> >> that env instead of expecting working around the warn in the tree for
>> >> older compilers
>> >
>> > That is not our policy. Please fix this.
>> >
>>
>> Are you sure about that? I distinctly recall the supported path to get
>> top of the latest stable branch first, from there you should be able
>> to build the toolchain and the kernel.
>>
>> afaics the above change did not affect it
>>
>> If you insist, I can look for the exact paragraph in the docs.
>>
>
> The fix is trivial.
>
> https://reviews.freebsd.org/D38550
>
> Please focus your efforts on commenting on the above and testing it out.
>

there is no warn with it

but where is it stated that a compiler older than the newest in the
tree is supported for kernel builds?

>
>
>> > Jess
>> >
>> >>> Jess
>> >>>
>> >>>> contrib/zlib/compress.c            optional crypto | geom_uzip | \
>> >>>>    mxge | ddb_ctf | gzio | zfs | zlib \
>> >>>> -  compile-with "${NORMAL_C} -Wno-cast-qual"
>> >>>> +  compile-with "${NORMAL_C} -Wno-cast-qual
>> >>>> -Wno-deprecated-non-prototype"
>> >>>> contrib/zlib/crc32.c               optional crypto | geom_uzip | \
>> >>>>    mxge | ddb_ctf | gzio | zfs | zlib \
>> >>>>    compile-with "${NORMAL_C} ${NO_WSTRICT_PROTOTYPES}"
>> >>>> contrib/zlib/deflate.c             optional crypto | geom_uzip | \
>> >>>>    mxge | ddb_ctf | gzio | zfs | zlib \
>> >>>> -  compile-with "${NORMAL_C} -Wno-cast-qual"
>> >>>> +  compile-with "${NORMAL_C} -Wno-cast-qual
>> >>>> -Wno-deprecated-non-prototype"
>> >>>> contrib/zlib/inffast.c             optional crypto | geom_uzip | \
>> >>>> -  mxge | ddb_ctf | gzio | zfs | zlib
>> >>>> +  mxge | ddb_ctf | gzio | zfs | zlib \
>> >>>> +  compile-with "${NORMAL_C} -Wno-deprecated-non-prototype"
>> >>>> contrib/zlib/inflate.c             optional crypto | geom_uzip | \
>> >>>> -  mxge | ddb_ctf | gzio | zfs | zlib
>> >>>> +  mxge | ddb_ctf | gzio | zfs | zlib \
>> >>>> +  compile-with "${NORMAL_C} -Wno-deprecated-non-prototype"
>> >>>> contrib/zlib/inftrees.c            optional crypto | geom_uzip | \
>> >>>> -  mxge | ddb_ctf | gzio | zfs | zlib
>> >>>> +  mxge | ddb_ctf | gzio | zfs | zlib \
>> >>>> +  compile-with "${NORMAL_C} -Wno-deprecated-non-prototype"
>> >>>> contrib/zlib/trees.c               optional crypto | geom_uzip | \
>> >>>>    mxge | ddb_ctf | gzio | zfs | zlib \
>> >>>>    compile-with "${NORMAL_C} ${NO_WSTRICT_PROTOTYPES}"
>> >>>> contrib/zlib/uncompr.c             optional crypto | geom_uzip | \
>> >>>>    mxge | ddb_ctf | gzio | zfs | zlib \
>> >>>> -  compile-with "${NORMAL_C} -Wno-cast-qual"
>> >>>> +  compile-with "${NORMAL_C} -Wno-cast-qual
>> >>>> -Wno-deprecated-non-prototype"
>> >>>> contrib/zlib/zutil.c               optional crypto | geom_uzip | \
>> >>>>    mxge | ddb_ctf | gzio | zfs | zlib \
>> >>>>    compile-with "${NORMAL_C} ${NO_WSTRICT_PROTOTYPES}"
>> >>>> diff --git a/sys/modules/zlib/Makefile b/sys/modules/zlib/Makefile
>> >>>> index 6391255e512b..178d3a3f7ab7 100644
>> >>>> --- a/sys/modules/zlib/Makefile
>> >>>> +++ b/sys/modules/zlib/Makefile
>> >>>> @@ -25,4 +25,6 @@ CWARNFLAGS.crc32.c+=${NO_WSTRICT_PROTOTYPES} #
>> >>>> crc32.c:586
>> >>>> CWARNFLAGS.trees.c+=${NO_WSTRICT_PROTOTYPES} # trees.c:232
>> >>>> CWARNFLAGS.zutil.c+=${NO_WSTRICT_PROTOTYPES} # zutil.c:27,32
>> >>>>
>> >>>> +CWARNFLAGS+=-Wno-deprecated-non-prototype
>> >>>> +
>> >>>> .include <bsd.kmod.mk>
>> >>>
>> >>>
>> >>
>> >>
>> >> --
>> >> Mateusz Guzik <mjguzik gmail.com>
>> >
>> >
>>
>>
>> --
>> Mateusz Guzik <mjguzik gmail.com>
>>
>


-- 
Mateusz Guzik <mjguzik gmail.com>