Commit Graph

313 Commits

Author SHA1 Message Date
Michał Grzelak
7b54d275ef libsa/netif.c: Replace #if with #ifdef
Follow the convention with *_DEBUG macros in stand/libsa/* and replace
"#if" with "#ifdef".

Reviewed by:	kd
Obtained from:	Semihalf
Differential Revision: https://reviews.freebsd.org/D36740
2022-09-29 12:52:02 +02:00
Michał Grzelak
c66c6da4f0 libsa/arp.c: Change printf format string
Change printf format string to avoid compilation failure when
ARP_DEBUG macro is defined.

Reviewed by:	imp
Obtained from:	Semihalf
Differential Revision: https://reviews.freebsd.org/D36735
2022-09-29 12:51:14 +02:00
Michał Grzelak
ee0d06faa0 libsa/rarp.c: Change casted type and printf format
Change the casted type and printf format string to avoid compilation
failure when RARP_DEBUG macro is defined.

Reviewed by:	imp
Obtained from:	Semihalf
Differential Revision: https://reviews.freebsd.org/D36738
2022-09-29 12:51:14 +02:00
Michał Grzelak
1ed7916188 libsa/rarp.c: Change printf format string
Change printf format string to avoid compilation failure when
RARP_DEBUG macro is defined.

Reviewed by:	imp
Obtained from:	Semihalf
Differential Revision: https://reviews.freebsd.org/D36739
2022-09-29 12:51:14 +02:00
Martin Matuska
c7046f76c2 zfs: merge openzfs/zfs@c629f0bf6
Notable upstream pull request merges:
  #13725 Fix BLAKE3 tuneable and module loading on Linux and FreeBSD
  #13756 FreeBSD: Organize sysctls
  #13773 FreeBSD: add kqfilter support for zvol cdev
  #13781 Importing from cachefile can trip assertion
  #13794 Apply arc_shrink_shift to ARC above arc_c_min
  #13798 Improve too large physical ashift handling
  #13799 Revert "Avoid panic with recordsize > 128k, raw sending and
         no large_blocks"
  #13802 Add zfs.sync.snapshot_rename
  #13831 zfs_enter rework
  #13855 zfs recv hangs if max recordsize is less than received
         recordsize

Obtained from:	OpenZFS
OpenZFS commit:	c629f0bf62
2022-09-21 14:17:13 +02:00
Warner Losh
45ad955714 stand: Add driver interface docs
Add some rather bare-bones driver interface docs.

Sponsored by:		Netflix
Suggestions by:		rpokala
Reviewed by:		pauamma
Differential Revision:	https://reviews.freebsd.org/D35912
2022-09-09 17:25:59 -06:00
Michael Gmelin
0eb736c0f6 stand: Unbreak FAT32 in loader
This corrects an issue introduced in b4cb3fe0e3, where a freshly
allocated `DOS_FS` structure would not be initialized properly before
use in `dos_open`.

In case of FAT32 file systems, this would leave `fs->dirents`
uninitialized and - depending on its content and due to checks in
`parsebs` - prevent mounting the file system successfully.

This particularily impacted the EFI loader, as it was sometimes not
able to read files from a FAT32-formatted EFI partition, including
LoaderEnv (`/efi/freebsd/loader.env`).

Accepted by:	imp
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D36482
2022-09-08 02:16:34 +02:00
Kornel Dulęba
66c73af7ea stand: Parse BIOS revision from SMBIOS
Add a smbios.bios.revision kenv, which contains the system BIOS revision
as defined in SMBIOS specification, section 3.3.1.
Since the revision is stored in two separate byte fields,
the smbios_setenv helper can't be used.
Read and construct the kenv manually instead.

Approved by:	mw(mentor)
Sponsored by:	Stormshield
Obtained from:	Semihalf
Differential Revision:	https://reviews.freebsd.org/D36413
2022-09-02 13:10:32 +02:00
Warner Losh
6d645da0d4 stand: Search less agressively for UFS super block
The boot loader should look in the standard places for the UFS
superblock, but not go too far into the speculative realm. Supress
errors about hash being invalid, which will allow us to boot, even when
the superblock looks good, but fails the hash test. This defers any
policy decisions about booting and/or recovery to userland. This also
has the side effect of eliminating some rather spammy messages when UFS
searches devices with filesystems that are not UFS...

Sponsored by:		Netflix
Reviewed by:		mckusick
Differential Revision:	https://reviews.freebsd.org/D36253
2022-08-18 06:41:11 -06:00
Toomas Soome
d98de74405 loader: zfs reader should only store devdesc in f_devdata
Use d_opendata for device specific data.

PR:		265825
Reviewed by:	imp
Differential Revision:	https://reviews.freebsd.org/D36202
2022-08-15 21:07:23 +03:00
Kirk McKusick
e688661642 Move the ability to search for alternate UFS superblocks from fsck_ffs(8)
into ffs_sbsearch() to allow use by other parts of the system.

Historically only fsck_ffs(8), the UFS filesystem checker, had code
to track down and use alternate UFS superblocks. Since fsdb(8) used
much of the fsck_ffs(8) implementation it had some ability to track
down alternate superblocks.

This change extracts the code to track down alternate superblocks
from fsck_ffs(8) and puts it into a new function ffs_sbsearch() in
sys/ufs/ffs/ffs_subr.c. Like ffs_sbget() and ffs_sbput() also found
in ffs_subr.c, these functions can be used directly by the kernel
subsystems. Additionally they are exported to the UFS library,
libufs(8) so that they can be used by user-level programs. The new
functions added to libufs(8) are sbfind(3) that is an alternative
to sbread(3) and sbsearch(3) that is an alternative to sbget(3).
See their manual pages for further details.

The utilities that have been changed to search for superblocks are
dumpfs(8), fsdb(8), ffsinfo(8), and fsck_ffs(8). Also, the prtblknos(8)
tool found in tools/diag/prtblknos searches for superblocks.

The UFS specific mount code uses the superblock search interface
when mounting the root filesystem and when the administrator doing
a mount(8) command specifies the force flag (-f). The standalone UFS
boot code (found in stand/libsa/ufs.c) uses the superblock search
code in the hope of being able to get the system up and running so
that fsck_ffs(8) can be used to get the filesystem cleaned up.

The following utilities have not been changed to search for
superblocks: clri(8), tunefs(8), snapinfo(8), fstyp(8), quot(8),
dump(8), fsirand(8), growfs(8), quotacheck(8), gjournal(8), and
glabel(8). When these utilities fail, they do report the cause of
the failure. The one exception is the tasting code used to try and
figure what a given disk contains. The tasting code will remain
silent so as not to put out a slew of messages as it trying to taste
every new mass storage device that shows up.

Reviewed by: kib
Reviewed by: Warner Losh
Tested by:   Peter Holm
Differential Revision: https://reviews.freebsd.org/D36053
Sponsored by: The FreeBSD Foundation
2022-08-13 12:43:40 -07:00
Warner Losh
4f0c9b76cf stand: Only compile decompression routines
We don't need the compress rotuines, nor zstd_opt.c. Remove them.
Expand the number of places we omit code for IN_LIBSA (which are FreeBSD
specific). Due to the agressive optimization, though, this doesn't
reduce the size of the loader. It does reduce the number of 'false
positives' for places to omit to reduce the size as well as reducing the
build time slightly.

Sponsored by:		Netflix
Reviewed by:		tsoome, delphij
Differential Revision:	https://reviews.freebsd.org/D36145
2022-08-12 21:48:18 -06:00
Warner Losh
1482113008 stand: Compile out the extensive superblock diagnostic messages for BIOS loader
The BIOS loader operates in a very constrained environment. The messages
for the super block integrity tests take up about 12k of space. Compile
them out for the BIOS loader, while leaving it intact for all other
loaders that aren't space constrained. These aren't used in the 'super
tiny' *boot* programs, so no adjustment is needed there.

We reply on the fact that (a) i386 doesn't support 32-bit UEFI booting
and (b) LIBSA_CPUARCH is "i386" when building on both i386 and when
we're building the 32-bit libsa32 library.

This saves about 12k of space for this constrained envrionment and will
take a bit of the pressure off some machines where the loader has grown
too big for their BIOS (see comments in i386/loader/Makefile for
details).

Sponsored by:		Netflix
Reviewed by:		mckusick
Differential Revision:	https://reviews.freebsd.org/D36175
2022-08-12 21:48:17 -06:00
Warner Losh
edb26097cb stand: Replace zfs_fmtdev with generic devformat()
Sponsored by:		Netflix
Differential Revision:	https://reviews.freebsd.org/D35973
2022-08-11 10:27:16 -06:00
Warner Losh
654b7837a6 stand: For zfs, set dv_fmtdev to zfs_fmtdev
Add a generic way to get the string representation of a zfs device / mount.

Sponsored by:		Netflix
Reviewed by:		tsoome (prior version)
Differential Revision:	https://reviews.freebsd.org/D35923
2022-08-11 10:27:16 -06:00
Warner Losh
0b3a4a588f stand: Use devformat instead of disk_devfmt
Use devformat instead of disk_devfmt. This allows us to avoid knowing
the details of the device that's underneath us. Remove disk.h include
and the -I${LDRSRC} from the build of ufs.c since they are no longer
needed.

Sponsored by:		Netflix
Differential Revision:	https://reviews.freebsd.org/D35922
2022-08-11 10:27:16 -06:00
Warner Losh
ec9f3e776f stand: Use devformat rather than disk_devfmt
Fix layering violation and use devformat to get the string
representation of the device to see if we're mounted yet or not. Remove
added include to pickup disk.h.

Sponsored by:		Netflix
Reviewed by:		tsoome (prior version)
Differential Revision:	https://reviews.freebsd.org/D35919
2022-08-11 10:27:16 -06:00
Warner Losh
ad759c7352 stand: Add disk_fmtdev for dv_fmtdev for all the disk devices
All of the archsw fmtdev functions treat DEVT_DISK as a call to
disk_fmtdev. Set all disks' dv_fmtdev to disk_fmtdev so devformat
will return the same thing.

Sponsored by:		Netflix
Reviewed by:		tsoome (prior version)
Differential Revision:	https://reviews.freebsd.org/D35917
2022-08-11 10:27:16 -06:00
Warner Losh
dc472f6702 stand: Add devformat to return formatted string for a device
Use dv_fmtdev to return a formatted string for a device. If this is a
null pointer, return the device name and unit followed by a colon (eg
disk3:).

Sponsored by:		Netflix
Reviewed by:		tsoome (prior version)
Differential Revision:	https://reviews.freebsd.org/D35916
2022-08-11 10:27:16 -06:00
Warner Losh
4d4b1a298c stand: Add dv_devfmt to return a string represenation of the device
Add a new pointer, dv_devfmt, to allow devices to format themselves. We
will use this to simplify many of the fmtdev functions in the tree as
they are all almost the same, or all are isomorphic to each other.

Sponsored by:		Netflix
Reviewed by:		tsoome (prior version)
Differential Revision:	https://reviews.freebsd.org/D35915
2022-08-11 10:27:16 -06:00
Warner Losh
d2d4e1271b stand: Change zfs_fmtdev to take a struct devdesc *
Sponsored by:		Netflix
Differential Revision:	https://reviews.freebsd.org/D35974
2022-08-11 10:27:15 -06:00
Warner Losh
c32dde3166 stand: Change disk_fmtdev to take a struct devdesc *
We do a number of games with ploymorphism for different types struct
*devdesc. Adjust one place that this affects to take the address of the
base class (most others have void * at the moment). This is more type
safe than a bare void *.

Sponsored by:		Netflix
Differential Revision:	https://reviews.freebsd.org/D35914
2022-08-11 10:27:15 -06:00
Warner Losh
f863970a82 stand: Reduce number of files that need -I${LDRSRC}
geliboot.c and geliboot_crypto.c don't need anything from stand/common,
so remove them from the list of things to add it.

Sponsored by:		Netflix
Differential Revision:	https://reviews.freebsd.org/D35921
2022-08-03 11:24:38 -06:00
Warner Losh
4333168b1d stand: Remove unneeded include from geli
bootstrap.h isn't needed at all by geil, so remove it.

Sponsored by:		Netflix
Reviewed by:		tsoome (earlier version)
Differential Revision:	https://reviews.freebsd.org/D35920
2022-08-03 11:24:38 -06:00
Warner Losh
a23c26b2fe stand: use snprintf here
This code was written prior to snprintf being in the then libstand (now
libsa). Since we have it, use it for extra safety. The code already
tries to be safe, but since we have snprintf as well, the added layer of
protection will suffice. The current code reserves 16 bytes (plus a NUL)
at the end for worst case of inet_ntoa, which is still a little
pessimal, but safe from overflow.

Sponsored by:		Netflix
Reviewed by:		tsoome
Differential Revision:	https://reviews.freebsd.org/D35102
2022-08-03 11:24:38 -06:00
Kirk McKusick
b21582ee03 Add a flags parameter to the ffs_sbget() function that reads UFS superblocks.
Rather than trying to shoehorn flags into the requested superblock
address, create a separate flags parameter to the ffs_sbget()
function in sys/ufs/ffs/ffs_subr.c. The ffs_sbget() function is
used both in the kernel and in user-level utilities through export
to the sbget() function in the libufs(3) library (see sbget(3)
for details). The kernel uses ffs_sbget() when mounting UFS
filesystems, in the glabel(8) and gjournal(8) GEOM utilities,
and in the standalone library used when booting the system
from a UFS root filesystem.

The ffs_sbget() function reads the superblock located at the byte
offset specified by its sblockloc parameter. The value UFS_STDSB
may be specified for sblockloc to request that the standard
location for the superblock be read.

The two existing options are now flags:

UFS_NOHASHFAIL will note if the check hash is wrong but will still
   return the superblock. This is used by the bootstrap code to
   give the system a chance to come up so that fsck can be run to
   correct the problem.

UFS_NOMSG indicates that superblock inconsistency error messages
   should not be printed. It is used by programs like fsck that
   want to print their own error message and programs like glabel(8)
   that just want to know if a UFS filesystem exists on a partition.

One additional flag is added:

UFS_NOCSUM causes only the superblock itself to be returned, but does
   not read in any auxiliary data structures like the cylinder group
   summary information. It is used by clients like glabel(8) that
   just want to check for possible filesystem types. Using UFS_NOCSUM
   skips the superblock checks for csum data which allows superblocks
   that have corrupted csum data to be read and used.

The validate_sblock() function checks that the superblock has not
been corrupted in a way that can crash or hang the system. Unless
the UFS_NOMSG flag is specified, it will print out any errors that
it finds. Prior to this commit, validate_sblock() returned as soon
as it found an inconsistency so would print at most one message.
It now does all its checks so when UFS_NOMSG has not been specified
will print out everything that it finds inconsistent.

Sponsored by: The FreeBSD Foundation
2022-07-30 22:51:38 -07:00
Warner Losh
60cb4f9a8e stand: tftp.c doesn't need bootinfo.h
tftp.c includes bootinfo.h, but doesn't need it. Remove it, and remove
the -Istand/common from CFALGS since that's the only reason we had it.

Sponsored by:		Netflix
Reviewed by:		tsoome
Differential Revision:	https://reviews.freebsd.org/D35928
2022-07-27 09:04:13 -06:00
Warner Losh
e98f952c82 stand: Make sure nobody has a NULL pointer for dv_cleanup
dv_cleanup is specified almost everywhere. Use nullsys instead of NULL
to indicate 'do nothing'. Also, be consistent in trailing commas that
were missing before.

Sponsored by:		Netflix
Reviewed by:		tsoome
Differential Revision:	https://reviews.freebsd.org/D35913
2022-07-27 09:04:13 -06:00
Warner Losh
079f02e8c0 stand: Small comment correction
While in theory, once upon a time, dv_type was arch specific, that's
never been the case in FreeBSD (and certaintly isn't in the surviving
drivers). Remove that notation.

Sponsored by:		Netflix
Reviewed by:		tsoome
Differential Revision:	https://reviews.freebsd.org/D35911
2022-07-27 09:04:12 -06:00
Warner Losh
4932a6e41d stand: Create DEV_NAMLEN for the length of a device name
Rather than hard coding 8 for the device name length, create a #define for it.

Sponsored by:		Netflix
Reviewed by:		tsoome
Differential Revision:	https://reviews.freebsd.org/D35910
2022-07-27 09:04:12 -06:00
Warner Losh
16ebddc9a7 stand/zfs: Update comment about blake3_impl_hack.c
Fix a typo by reworking the comment for blake3_impl_hack.c and amplify
the nature of the hack and its temporary reason for existing.

Sponsored by:		Netflix
Reviewed by:		delphij
Differential Revision:	https://reviews.freebsd.org/D35895
2022-07-24 16:53:36 -06:00
Warner Losh
1306a5dc07 stand/libsa: zfs use standard ZFS_EARLY stuff
Now that the minor issues preventing zfs.c from using CFLAGS_EARLY have
been fixed, use that mechanism like everything else that needs the
OpenZFS spl headers. This simplifies things somewhat. Update comments to
document why zfs.c is still special, though in different ways.

Note: We also use the fact that NEED_SOLARIS_BOOLEAN is only defined in
an environment where the solaris compat boolean stuff will be defined
prior to this point (eg, when we're building zfs.c in libsa), but not in
other environments (like when we're building mkimage and stand-alone
boot loaders that don't use libsa). These latter uses should be changed
to use the same ZFS compile env, but aren't as part of this commit.
This has to be done in the same change as the ZFS_EARLY change to not
break zfs.c building for one commit affecting bisectabiltiy.

Sponsored by:		Netflix
Reviewed by:		tsoome, delphij
Differential Revision:	https://reviews.freebsd.org/D35894
2022-07-24 16:53:36 -06:00
Warner Losh
09ace5cefb stand/zfs: Limit flags further for ZFS
Constrain CFLAGS for ZFS: don't add anything globally. Add the includes
to only the files that need them. Add -DHAS_ZSTD_ZFS to zfs.c (which
includes zfsimpl.c which includes zfssubr.c both of which need this
defined). Also add it to efi/boot1/Makefile since zfs_module.c also
includes zfsimple.c.

Sponsored by:		Netflix
Reviewed by:		tsoome
Differential Revision:	https://reviews.freebsd.org/D35887
2022-07-24 16:53:35 -06:00
Warner Losh
b7625c2c2c stand: Use c99 structure initialization for gzipfs_fsops
Sponsored by:		Netflix
2022-07-24 16:53:35 -06:00
Warner Losh
9450d9c4e5 stand: Use c99 structure initialization for splitfs_fsops
Sponsored by:		Netflix
2022-07-24 16:53:35 -06:00
Warner Losh
e7d045aa2b stand: Use c99 structure initialization for pkgfs_fsops
Sponsored by:		Netflix
2022-07-24 16:53:35 -06:00
Warner Losh
90a7e556a4 stand: Use c99 structure initialization for nfs_fsops
Sponsored by:		Netflix
2022-07-24 16:53:35 -06:00
Warner Losh
0ad8a113b7 stand: Use c99 structure initialization for bzipfs_fsops
Sponsored by:		Netflix
2022-07-24 16:53:35 -06:00
Warner Losh
12a41918a2 stand: Use c99 structure initialization for ext2fs_fsops
Sponsored by:		Netflix
2022-07-24 16:53:35 -06:00
John Baldwin
bb7ddd077c stand geli: Restore include path to LDRSRC.
Various GELI sources need bootstrap.h and disk.h. In theory they
shouldn't need anything outside of libsa, but disk.h and bootstrap.h are
currently required.

This fixes the build with MK_LOADER_ZFS=no.

Obtained from: CheriBSD
Fixes: eaf7aabddc stand: geli CFLAGS tightening
Sponsored by: DARPA
Reviewed by: imp
Differential Revision: https://reviews.freebsd.org/D35861
2022-07-22 10:08:46 -06:00
John Baldwin
d1fb0e1dc8 stand libsa: Restore include path to LDRSRC for disk.h for filesystems.
In theory they shouldn't need anything outside of libsa, but disk.h and
bootstrap.h are currently required. Future work wil address this issue.

This fixes the build with MK_LOADER_ZFS=no. ZFS's Makefile.inc adds
these flags globally to CFLAGS when it should not. This masked the
problem because the tools/boot/universe.sh didn't build MK_LOADER_ZFS=no
as part of its regressions. Future work will also fix this.

Obtained from: CheriBSD
Fixes: 84bf2bbbec stand: constrain zlib/gzip CFLAGS better
Sponsored by: DARPA
Reviewed by: imp
Differential Revision: https://reviews.freebsd.org/D35860
2022-07-22 10:08:40 -06:00
Warner Losh
4773d3425e stand: Add comments on ZFS build
Add comments describing the weird nesting things we have to do to live
inside the ZFS world. Also fix a stale comment by moving nvlist.c to an
early user.

Sponsored by:		Netflix
2022-07-08 23:01:59 -06:00
Warner Losh
75ad24775b stand: Add blake3 support to boot loader
Add the necessary glue to get blake3 building for the boot loaded as
well as connected to the ZFS system so it is useful.

On some platforms, we create references to blake3_sse2_impl and
blake3_sse41_impl ops structs to utilize SIMD. These aren't present on
x86 (since we dind't ask for them), but are on aarch64 with no
implementation. Since we don't want SIMD in the boot loader, have these
all return 'unsupported' always. This should be fixed upstream to allow
more flexibility in this selection, but for now we use this hack to not
modify the sys/contrib/openzfs with difficult to maintain hacks while
an upstreamable solution is found.

tsoome@ did the implementation bits in sys/cddl/boot, and I did the
Makefile work and the aweful blake3_impl_hack.c.

Co-author:		tsoome@freebsd.org
Sponsored by:		Netflix
Reviewed by:		kevans (earlier version)
Differential Revision:	https://reviews.freebsd.org/D35750
2022-07-08 22:57:59 -06:00
Warner Losh
df76778ad5 stand: delete zstd_shim.c
We no longer need to use this to get zfs_zstd.c compiling, so delete it.

Sponsored by:		Netflix
Reviewed by:		kevans
Differential Revision:	https://reviews.freebsd.org/D35750
2022-07-08 22:49:56 -06:00
Warner Losh
119c786f7b stand: Compile zfs_zstd.c directly now
Now that we have the ability to work around all the issues that
zstd_stub.c worked around, compile zfs_std.c directly.

Sponsored by:		Netflix
Reviewed by:		kevans
Differential Revision:	https://reviews.freebsd.org/D35750
2022-07-08 22:49:56 -06:00
Warner Losh
b0a337d501 stand: Fix inclusion of sys/blake3.h
sys/blake3.h is not safe to include in a standalone environment. It
assumes, unwisely, that there's only kernel or userland. The userland
choice is bad due to imperfections in how we handle stdlib.h in this
environment (we wind up including the host's stdlib.h, it expects a
standard FreeBSD setup which the gymnastics we've done to create a
OpenSolaris/Illumos-like environment interfere with). Thankfully, in
this case we can just pretend to be the kernel for a little bit by
defining _KERNEL and the undefing it after we exit.

Sponsored by:		Netflix
Reviewed by:		kevans
Differential Revision:	https://reviews.freebsd.org/D35750
2022-07-08 22:49:55 -06:00
Warner Losh
faf25f48d6 stand: Work around upstream issues in the standalone environment
There's a number of issues with including zfs_context.h from a
standalone environment. First, sys/uio_imp.h isn't at all safe for this
environment, so define its guard #defines so that its contents are
skipped. Next, there's a problem including string.h to get the mem*
routines, so just define them here. ZFS_MODULE_PARAM_ARGS isn't defined
properly. I had wanted to define it when I was upstreaming changes to
include/os/freebsd/spl/sys/zfs_context.h, but they ran into resistance
so I'm defining that here now (it is also defined in zstd_shim.c, but
that will disappear once the issues it works around are
cleared). Finally, sys/sysmacros.h has to be included now before
sys/atomic.h, but upstream includes it after so include it here so that
the guards make the out-of-order includes in upstream irrelevant.

Sponsored by:		Netflix
Reviewed by:		kevans
Differential Revision:	https://reviews.freebsd.org/D35750
2022-07-08 22:49:55 -06:00
Warner Losh
87d3aa5397 stand: For ZFS build, add new directory
OpenZFS is based on having a number of layers of include files that
define things and include the next layer. Insert a later at the start
for files in libsa/zfs/spl so we can override issues with upstream
OpenZFS while we work to get the issues corrected upstream.

Sponsored by:		Netflix
Reviewed by:		kevans
Differential Revision:	https://reviews.freebsd.org/D35750
2022-07-08 22:49:55 -06:00
Warner Losh
37dabb06e2 stand: Add comment about CFLAGS pollution
Add a note that veriexec / bearssl builds will pollute the CFLAGS in a
way that's somewhat hard to fix, so I'm just noting it for now.

Sponsored by:		Netflix
2022-07-08 11:47:37 -06:00
Warner Losh
84bf2bbbec 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
2022-07-08 11:47:37 -06:00