Re: git: 84bf2bbbecc3 - main - stand: constrain zlib/gzip CFLAGS better

From: Tijl Coosemans <tijl_at_FreeBSD.org>
Date: Wed, 20 Jul 2022 17:57:55 UTC
On Wed, 20 Jul 2022 20:44:22 +0300 Toomas Soome <tsoome@me.com> wrote:
> On 20. Jul 2022, at 20:24, Dmitry Chagin <dchagin@heemeyer.club> wrote:
>> On Fri, Jul 08, 2022 at 05:50:05PM +0000, Warner Losh wrote:  
>>> The branch main has been updated by imp:
>>>
>>> URL: https://cgit.FreeBSD.org/src/commit/?id=84bf2bbbecc369cea6095bed7a738674b27f8d13
>>>
>>> commit 84bf2bbbecc369cea6095bed7a738674b27f8d13
>>> Author:     Warner Losh <imp@FreeBSD.org>
>>> AuthorDate: 2022-07-08 16:29:25 +0000
>>> Commit:     Warner Losh <imp@FreeBSD.org>
>>> CommitDate: 2022-07-08 17:47:37 +0000
>>>
>>>    stand: constrain zlib/gzip CFLAGS better
>>>
>>>    Define ZLIB_CFLAGS and use it only for the sources that are in ZLIB or
>>>    that include it.
>>>
>>>    Sponsored by:           Netflix
>>> ---
>>> stand/libsa/Makefile | 13 +++++++------
>>> 1 file changed, 7 insertions(+), 6 deletions(-)
>>>
>>> diff --git a/stand/libsa/Makefile b/stand/libsa/Makefile
>>> index b5d800c26295..09637bd5e9d4 100644
>>> --- a/stand/libsa/Makefile
>>> +++ b/stand/libsa/Makefile
>>> @@ -96,9 +96,11 @@ SRCS+=${i}
>>>
>>> # decompression functionality from zlib
>>> .PATH: ${SRCTOP}/sys/contrib/zlib
>>> -CFLAGS+=-DHAVE_MEMCPY -I${SRCTOP}/sys/contrib/zlib
>>> -SRCS+=	adler32.c crc32.c
>>> -SRCS+=	infback.c inffast.c inflate.c inftrees.c zutil.c
>>> +ZLIB_CFLAGS=-DHAVE_MEMCPY -I${SRCTOP}/sys/contrib/zlib
>>> +.for i in adler32.c crc32.c infback.c inffast.c inflate.c inftrees.c zutil.c
>>> +CFLAGS.${i}+=${ZLIB_CFLAGS}
>>> +SRCS+=	${i}
>>> +.endfor
>>>
>>> # lz4 decompression functionality
>>> .PATH: ${SRCTOP}/sys/cddl/contrib/opensolaris/common/lz4
>>> @@ -168,9 +170,8 @@ SRCS+=	time.c
>>> .PATH: ${SRCTOP}/sys/ufs/ffs
>>> SRCS+=ffs_subr.c ffs_tables.c
>>>
>>> -CFLAGS.dosfs.c+= -I${LDRSRC}
>>> -CFLAGS.tftp.c+= -I${LDRSRC}
>>> -CFLAGS.ufs.c+= -I${LDRSRC}
>> ^^^^^^^^^^^^ is this correct? at least it breaks builds with
>> WITHOUT_LOADER_ZFS and WITHOUT_BOOT probably, see PR/260083
>>
>
> No, it is not correct.

There's a similar change in eaf7aabddcde.

>>> +CFLAGS.gzipfs.c+= ${ZLIB_CFLAGS}
>>> +CFLAGS.pkgfs.c+= ${ZLIB_CFLAGS}
>>> CFLAGS.bzipfs.c+= -I${SRCTOP}/contrib/bzip2  -DBZ_NO_STDIO -DBZ_NO_COMPRESS
>>>
>>> # explicit_bzero and calculate_crc32c