docs: Set minimal gtags / GNU GLOBAL version to 6.6.5

Kernel build now uses the gtags "-C (--directory)" option, available
since GNU GLOBAL v6.6.5.  Update the documentation accordingly.

Signed-off-by: Ahmed S. Darwish <darwi@linutronix.de>
Cc: <stable@vger.kernel.org>
Link: https://lists.gnu.org/archive/html/info-global/2020-09/msg00000.html
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Ahmed S. Darwish 2023-05-15 19:32:17 +02:00 committed by Masahiro Yamada
parent e1b37563ca
commit b230235b38
1 changed files with 7 additions and 0 deletions

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@ -60,6 +60,7 @@ openssl & libcrypto 1.0.0 openssl version
bc 1.06.95 bc --version
Sphinx\ [#f1]_ 1.7 sphinx-build --version
cpio any cpio --version
gtags (optional) 6.6.5 gtags --version
====================== =============== ========================================
.. [#f1] Sphinx is needed only to build the Kernel documentation
@ -174,6 +175,12 @@ You will need openssl to build kernels 3.7 and higher if module signing is
enabled. You will also need openssl development packages to build kernels 4.3
and higher.
gtags / GNU GLOBAL (optional)
-----------------------------
The kernel build requires GNU GLOBAL version 6.6.5 or later to generate
tag files through ``make gtags``. This is due to its use of the gtags
``-C (--directory)`` flag.
System utilities
****************