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Subject[PATCH v2 3/4] docs: kernel_feat.py: add build dependencies
Date
Ensure that the feature files will be regenerated if any
changes happen at the Documentation/features files that were
processed by gen_feat.pl.

Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
---

To avoid mailbombing on a large number of people, only mailing lists were C/C on the cover.
See [PATCH v2 0/4] at: https://lore.kernel.org/all/cover.1648216561.git.mchehab@kernel.org/

Documentation/sphinx/kernel_feat.py | 20 ++++++++++++++++++--
1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/Documentation/sphinx/kernel_feat.py b/Documentation/sphinx/kernel_feat.py
index 8138d69a6987..6b40ac1806bb 100644
--- a/Documentation/sphinx/kernel_feat.py
+++ b/Documentation/sphinx/kernel_feat.py
@@ -33,6 +33,7 @@ u"""

import codecs
import os
+import re
import subprocess
import sys

@@ -82,7 +83,7 @@ class KernelFeat(Directive):

env = doc.settings.env
cwd = path.dirname(doc.current_source)
- cmd = "get_feat.pl rest --dir "
+ cmd = "get_feat.pl rest --enable-fname --dir "
cmd += self.arguments[0]

if len(self.arguments) > 1:
@@ -102,7 +103,22 @@ class KernelFeat(Directive):
shell_env["srctree"] = srctree

lines = self.runCmd(cmd, shell=True, cwd=cwd, env=shell_env)
- nodeList = self.nestedParse(lines, fname)
+
+ line_regex = re.compile("^#define FILE (\S+)$")
+
+ out_lines = ""
+
+ for line in lines.split("\n"):
+ match = line_regex.search(line)
+ if match:
+ fname = match.group(1)
+
+ # Add the file to Sphinx build dependencies
+ env.note_dependency(os.path.abspath(fname))
+ else:
+ out_lines += line + "\n"
+
+ nodeList = self.nestedParse(out_lines, fname)
return nodeList

def runCmd(self, cmd, **kwargs):
--
2.35.1
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