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Commit b1663d7e authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab Committed by Jonathan Corbet
Browse files

docs: Kbuild/Makefile: allow check for missing docs at build time 



While this doesn't make sense for production Kernels, in order to
avoid regressions when documents are touched, let's add a
check target at the make file.

Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: default avatarJonathan Corbet <corbet@lwn.net>
parent 3f9564e6

Documentation/Kconfig

0 → 100644
+13 −0
Original line number Diff line number Diff line 
config WARN_MISSING_DOCUMENTS



	bool "Warn if there's a missing documentation file"

	depends on COMPILE_TEST

	help

	   It is not uncommon that a document gets renamed.

	   This option makes the Kernel to check for missing dependencies,

	   warning when something is missing. Works only if the Kernel

	   is built from a git tree.



	   If unsure, select 'N'.

Documentation/Makefile

+5 −0
Original line number Diff line number Diff line
@@ -4,6 +4,11 @@ 


subdir-y := devicetree/bindings/



# Check for broken documentation file references

ifeq ($(CONFIG_WARN_MISSING_DOCUMENTS),y)

$(shell $(srctree)/scripts/documentation-file-ref-check --warn)

endif



# You can set these variables from the command line.

SPHINXBUILD   = sphinx-build

SPHINXOPTS    =

Kconfig

+2 −0
Original line number Diff line number Diff line
@@ -30,3 +30,5 @@ source "crypto/Kconfig" 
source "lib/Kconfig"



source "lib/Kconfig.debug"



source "Documentation/Kconfig"

scripts/documentation-file-ref-check

+9 −0
Original line number Diff line number Diff line
@@ -22,9 +22,16 @@ $scriptname =~ s,.*/([^/]+/),$1,; 
# Parse arguments

my $help = 0;

my $fix = 0;

my $warn = 0;



if (! -d ".git") {

	printf "Warning: can't check if file exists, as this is not a git tree";

	exit 0;

}



GetOptions(

	'fix' => \$fix,

	'warn' => \$warn,

	'h|help|usage' => \$help,

);
@@ -139,6 +146,8 @@ while (<IN>) { 
			if (!($ref =~ m/(scripts|Kconfig|Kbuild)/)) {

				$broken_ref{$ref}++;

			}

		} elsif ($warn) {

			print STDERR "Warning: $f references a file that doesn't exist: $fulref\n";

		} else {

			print STDERR "$f: $fulref\n";

		}