From f6333eb4e788bf70d6455c9004b6b676df62c500 Mon Sep 17 00:00:00 2001
From: John Kacur <jkacur@rogers.com>
Date: Sat, 29 Oct 2005 00:25:13 -0400
Subject: [PATCH] kbuild: Add ctags support for function prototypes and
 external variable declarations

This patch adds function prototypes and external variable declarations
to the set of tag kinds when running ctags. I find this useful when
perusing the kernel. Please apply.

Signed-off-by: John Kacur <jkacur@rogers.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
---
 Makefile | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/Makefile b/Makefile
index 5f685b9891657..ced03463ba5d1 100644
--- a/Makefile
+++ b/Makefile
@@ -1236,8 +1236,10 @@ cscope: FORCE
 quiet_cmd_TAGS = MAKE   $@
 define cmd_TAGS
 	rm -f $@; \
-	ETAGSF=`etags --version | grep -i exuberant >/dev/null && echo "-I __initdata,__exitdata,EXPORT_SYMBOL,EXPORT_SYMBOL_GPL --extra=+f"`; \
-	$(all-sources) | xargs etags $$ETAGSF -a
+	ETAGSF=`etags --version | grep -i exuberant >/dev/null && \
+                echo "-I __initdata,__exitdata,EXPORT_SYMBOL,EXPORT_SYMBOL_GPL \
+                --extra=+f --c-kinds=+px"`; \
+                $(all-sources) | xargs etags $$ETAGSF -a
 endef
 
 TAGS: FORCE
@@ -1247,8 +1249,10 @@ TAGS: FORCE
 quiet_cmd_tags = MAKE   $@
 define cmd_tags
 	rm -f $@; \
-	CTAGSF=`ctags --version | grep -i exuberant >/dev/null && echo "-I __initdata,__exitdata,EXPORT_SYMBOL,EXPORT_SYMBOL_GPL --extra=+f"`; \
-	$(all-sources) | xargs ctags $$CTAGSF -a
+	CTAGSF=`ctags --version | grep -i exuberant >/dev/null && \
+                echo "-I __initdata,__exitdata,EXPORT_SYMBOL,EXPORT_SYMBOL_GPL \
+                --extra=+f --c-kinds=+px"`; \
+                $(all-sources) | xargs ctags $$CTAGSF -a
 endef
 
 tags: FORCE
-- 
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