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author | Jacob Kroon <jacob.kroon@gmail.com> | 2019-09-10 15:43:28 +0200 |
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committer | Richard Purdie <richard.purdie@linuxfoundation.org> | 2019-09-10 15:18:06 +0100 |
commit | 4abf4125f0a098e0cb02700c0412be9a83c514c0 (patch) | |
tree | 2ebcdab42b863957da7fb5110571d9cea761ec30 /bitbake/doc/bitbake-user-manual | |
parent | 504fa7ee15817b3b4907c489d5c198bd3ca5435b (diff) | |
download | poky-4abf4125f0a098e0cb02700c0412be9a83c514c0.tar.gz |
bitbake: bitbake-user-manual: key-expansion: Don't refer to overrides
Nowadays bitbake applies overrides dynamically, not at a single
specific point in time during parsing.
(Bitbake rev: 218431b0f7c97764cb2c0b79a3aadfe2007f490b)
Signed-off-by: Jacob Kroon <jacob.kroon@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'bitbake/doc/bitbake-user-manual')
-rw-r--r-- | bitbake/doc/bitbake-user-manual/bitbake-user-manual-metadata.xml | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/bitbake/doc/bitbake-user-manual/bitbake-user-manual-metadata.xml b/bitbake/doc/bitbake-user-manual/bitbake-user-manual-metadata.xml index 6b49d7fa8b..421364c2cf 100644 --- a/bitbake/doc/bitbake-user-manual/bitbake-user-manual-metadata.xml +++ b/bitbake/doc/bitbake-user-manual/bitbake-user-manual-metadata.xml | |||
@@ -799,17 +799,15 @@ | |||
799 | <title>Key Expansion</title> | 799 | <title>Key Expansion</title> |
800 | 800 | ||
801 | <para> | 801 | <para> |
802 | Key expansion happens when the BitBake datastore is finalized | 802 | Key expansion happens when the BitBake datastore is finalized. |
803 | just before BitBake expands overrides. | ||
804 | To better understand this, consider the following example: | 803 | To better understand this, consider the following example: |
805 | <literallayout class='monospaced'> | 804 | <literallayout class='monospaced'> |
806 | A${B} = "X" | 805 | A${B} = "X" |
807 | B = "2" | 806 | B = "2" |
808 | A2 = "Y" | 807 | A2 = "Y" |
809 | </literallayout> | 808 | </literallayout> |
810 | In this case, after all the parsing is complete, and | 809 | In this case, after all the parsing is complete, |
811 | before any overrides are handled, BitBake expands | 810 | BitBake expands <filename>${B}</filename> into "2". |
812 | <filename>${B}</filename> into "2". | ||
813 | This expansion causes <filename>A2</filename>, which was | 811 | This expansion causes <filename>A2</filename>, which was |
814 | set to "Y" before the expansion, to become "X". | 812 | set to "Y" before the expansion, to become "X". |
815 | </para> | 813 | </para> |