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sanity.bbclass: Lower the length of TMPDIR limit to 400

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When TMPDIR has length 410,  bitbake uninative-tarball will fail at
do_populate_sdk with error: Failed to open backup database:
"TMPDIR/work/x86_64-nativesdk-pokysdk-linux/uninative-tarball/1.0/sdk/image/var/lib/dnf/history.sqlite"

sqlite3 has a hardcode max pathname limit 512, refer [1], and there is a
check, refer [2], pathname + 8 > max path name limit(512) is not
allowed.  So the pathname length need to <= 504.  While, length of
"TMPDIR/work/x86_64-nativesdk-pokysdk-linux/uninative-tarball/1.0/sdk/image/var/lib/dnf/history.sqlite"
is 505, so error happened.

We had met similar issue [3], and refer the comments, upstream reject
the change of the hardcode length, see [4][5].

This patch try to improve and workaround this issue by lower max TMPDIR
length to 400, at least for distro name length <=13, the build can
success.

[1] https://github.com/sqlite/sqlite/blob/master/src/os_unix.c#L180
[2] https://github.com/sqlite/sqlite/blob/master/src/pager.c#L4777
[3] https://bugzilla.yoctoproject.org/show_bug.cgi?id=12374
[4] https://sqlite.org/cgi/src/tktview/c060923a5422590b3734
[5] https://sqlite.org/forum/forumpost/0b1b8b5116

(From OE-Core rev: da1c0998bdaf5def7ae94f44a33b9a505edc99c1)

Signed-off-by: Changqing Li <changqing.li@windriver.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Changqing Li 2024-12-30 15:31:00 +08:00 committed by Richard Purdie
parent b1671dac9f
commit b5f2bcd0c1
1 changed files with 2 additions and 2 deletions
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4
meta/classes-global/sanity.bbclass
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@ -760,8 +760,8 @@ def check_sanity_version_change(status, d):
if not oes_bb_conf:
status.addresult('You are not using the OpenEmbedded version of conf/bitbake.conf. This means your environment is misconfigured, in particular check BBPATH.\n')
# The length of TMPDIR can't be longer than 410
status.addresult(check_path_length(tmpdir, "TMPDIR", 410))
# The length of TMPDIR can't be longer than 400
status.addresult(check_path_length(tmpdir, "TMPDIR", 400))
# Check that TMPDIR isn't located on nfs
status.addresult(check_not_nfs(tmpdir, "TMPDIR"))