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authorMatthew Wilcox <willy@infradead.org>2017-11-20 10:40:40 -0800
committerJonathan Corbet <corbet@lwn.net>2017-11-20 12:09:11 -0700
commit3a025e1d1c2ea42fa497c9c6b21c284e0f69e28b (patch)
tree82ed4e7dfbd05c14aa0e108e0c3d173504903c86 /scripts/Makefile.build
parente7e61fc0ba7b92153e17f1f707d2b7b3d52c0588 (diff)
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Add optional check for bad kernel-doc comments
Implement a '-none' output mode for kernel-doc which will only output warning messages, and suppresses the warning message about there being no kernel-doc in the file. If the build has requested additional warnings, automatically check all .c files. This patch does not check .h files. Enabling the warning by default would add about 1300 warnings, so it's default off for now. People who care can use this to check they didn't break the docs and maybe we'll get all the warnings fixed and be able to enable this check by default in the future. Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'scripts/Makefile.build')
-rw-r--r--scripts/Makefile.build5
1 files changed, 5 insertions, 0 deletions
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 2e3a10e79ca9..aceac0ba0745 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -108,6 +108,10 @@ ifneq ($(KBUILD_CHECKSRC),0)
endif
endif
+ifneq ($(KBUILD_ENABLE_EXTRA_GCC_CHECKS),)
+ cmd_checkdoc = $(srctree)/scripts/kernel-doc -none $< ;
+endif
+
# Do section mismatch analysis for each module/built-in.o
ifdef CONFIG_DEBUG_SECTION_MISMATCH
cmd_secanalysis = ; scripts/mod/modpost $@
@@ -289,6 +293,7 @@ define rule_cc_o_c
$(call echo-cmd,checksrc) $(cmd_checksrc) \
$(call cmd_and_fixdep,cc_o_c) \
$(cmd_modversions_c) \
+ $(cmd_checkdoc) \
$(call echo-cmd,objtool) $(cmd_objtool) \
$(call echo-cmd,record_mcount) $(cmd_record_mcount)
endef
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