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Ignore sparse error about stat.h on el8.

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On el8, sparse is at 0.6.4 in epel-release, but it fails with:
```
[SP src/util.c]
src/util.c: note: in included file (through /usr/include/sys/stat.h):
/usr/include/bits/statx.h:30:6: error: not a function <noident>
/usr/include/bits/statx.h:30:6: error: bad constant expression type
```

This is due to us needing O_DIRECT from <fcntl.h>, so we set _GNU_SOURCE
before including it, but this causes (through _USE_GNU in sys/stat.h)
statx.h to be included, and that has __has_include, and sparse is too
dumb to understand it.

Just shut it up.

Signed-off-by: Auke Kok <auke.kok@versity.com>
This commit is contained in:
Auke Kok
2025-06-12 15:19:39 -04:00
committed by Chris Kirby
parent 3f786596e0
commit 70bd936213
1 changed files with 5 additions and 0 deletions
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5
utils/sparse.sh
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@@ -22,6 +22,11 @@ RE="$RE|warning: memset with byte count of 4194304"
# some sparse versions don't know about some builtins
RE="$RE|error: undefined identifier '__builtin_fpclassify'"
# on el8, sparse can't handle __has_include for some reason when _GNU_SOURCE
# is defined, and we need that for O_DIRECT.
RE="$RE|note: in included file .through /usr/include/sys/stat.h.:"
RE="$RE|/usr/include/bits/statx.h:30:6: error: "
#
# don't filter out 'too many errors' here, it can signify that
# sparse doesn't understand something and is throwing a *ton*