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Re: [Qemu-devel] [PATCH] Fix TAGS creation
From: |
Markus Armbruster |
Subject: |
Re: [Qemu-devel] [PATCH] Fix TAGS creation |
Date: |
Thu, 07 Mar 2013 08:29:20 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.1 (gnu/linux) |
David Gibson <address@hidden> writes:
> Currently the Makefile creates TAGS for emacs with the command:
> find "$(SRC_PATH)" -name '*.[hc]' -print0 | xargs -0 etags
> That works only if xargs ends up invoking etags just once. If xargs runs
> etags several times, as it will if there are enough files, then the later
> invocations will overwrite the output from the earlier invocations. This
> patch uses the etags --append option to fix the bug.
>
> Signed-off-by: David Gibson <address@hidden>
> ---
> Makefile | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/Makefile b/Makefile
> index 2262410..bb576da 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -331,7 +331,8 @@ test speed: all
>
> .PHONY: TAGS
> TAGS:
> - find "$(SRC_PATH)" -name '*.[hc]' -print0 | xargs -0 etags
> + rm -f $@
> + find "$(SRC_PATH)" -name '*.[hc]' -print0 | xargs -0 etags --append
>
> cscope:
> rm -f ./cscope.*
Slightly more portable:
find "$(SRC_PATH)" -name '*.[hc]' -exec etags --append {} +