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From: Jonathan Nieder <jrnieder@gmail.com>
To: Junio C Hamano <gitster@pobox.com>
Cc: Matthieu Moy <Matthieu.Moy@grenoble-inp.fr>,
	git@vger.kernel.org, Fredrik Kuivinen <frekui@gmail.com>,
	Johannes Schindelin <johannes.schindelin@gmx.de>
Subject: Re: [RFC/PATCH] Avoid TAGS/tags warning from GNU Make
Date: Sat, 4 Sep 2010 11:34:07 -0500	[thread overview]
Message-ID: <20100904163407.GA31513@burratino> (raw)
In-Reply-To: <7v8w3hxz81.fsf@alter.siamese.dyndns.org>

Junio C Hamano wrote:

> +++ b/Makefile
> @@ -390,6 +390,8 @@ SCRIPTS = $(patsubst %.sh,%,$(SCRIPT_SH)) \
>  	  $(patsubst %.py,%,$(SCRIPT_PYTHON)) \
>  	  git-instaweb
>  
> +ETAGS_TARGET = TAGS
[...]
> @@ -1954,9 +1957,9 @@ info:
>  pdf:
>  	$(MAKE) -C Documentation pdf
>  
> -TAGS:
> -	$(RM) TAGS
> -	$(FIND) . -name '*.[hcS]' -print | xargs etags -a
> +$(ETAGS_TARGET):
> +	$(RM) $(ETAGS_TARGET)
> +	$(FIND) . -name '*.[hcS]' -print | xargs etags -a -o $(ETAGS_TARGET)

Nice.

> @@ -2252,7 +2255,7 @@ endif
>  
>  .PHONY: all install clean strip
>  .PHONY: shell_compatibility_test please_set_SHELL_PATH_to_a_more_modern_shell
> -.PHONY: FORCE TAGS tags cscope
> +.PHONY: FORCE cscope

make: `tags' is up to date.

How about something like this squashed in or on top?

-- 8< --
Subject: Makefile: regenerate editor tag files when asked

tags and TAGS depend on all source files, but it is easier to teach
the Makefile to regenerate them every time the user asks than to
declare that.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
---
 Makefile |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 52252d4..205fe58 100644
--- a/Makefile
+++ b/Makefile
@@ -1955,11 +1955,11 @@ info:
 pdf:
 	$(MAKE) -C Documentation pdf
 
-$(ETAGS_TARGET):
+$(ETAGS_TARGET): FORCE
 	$(RM) $(ETAGS_TARGET)
 	$(FIND) . -name '*.[hcS]' -print | xargs etags -a -o $(ETAGS_TARGET)
 
-tags:
+tags: FORCE
 	$(RM) tags
 	$(FIND) . -name '*.[hcS]' -print | xargs ctags -a
 
-- 
1.7.2.3

      reply	other threads:[~2010-09-04 16:36 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-04  9:03 [RFC/PATCH] Avoid TAGS/tags warning from GNU Make Jonathan Nieder
2010-09-04  9:41 ` Matthieu Moy
2010-09-04 16:14   ` Junio C Hamano
2010-09-04 16:34     ` Jonathan Nieder [this message]

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