Re: make_ctags: use -I option to ignore pg_node_attr macro

On Tue, 07 Feb 2023 17:19:37 +0900 (JST)
Tatsuo Ishii <ishii@sraoss.co.jp> wrote:

> >> Since this commit, make_etags has started failing to generate
> >> tags files with the following error messages, on my MacOS.
> >> 
> >> $ src/tools/make_etags
> >> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ctags:
> >> illegal option -- e
> >> usage: ctags [-BFadtuwvx] [-f tagsfile] file ...
> >> sort: No such file or directory
> >> 
> >> 
> >> In my MacOS, non-Exuberant ctags is installed and doesn't support
> >> -e option. But the commit changed make_etags so that it always
> >> calls ctags with -e option via make_ctags. This seems the cause of
> >> the above failure.
> >> 
> >>     IS_EXUBERANT=""
> >>     ctags --version 2>&1 | grep Exuberant && IS_EXUBERANT="Y"
> >> 
> >> make_ctags has the above code and seems to support non-Exuberant
> >> ctags.
> >> If so, we should revert the changes of make_etags by the commit and
> >> make make_etags work with that ctags? Or, we should support
> >> only Exuberant-type ctags (btw, I'm ok with this) and get rid of
> >> something like the above code?
> > 
> > Thanks for the report. I will look into this.
> 
> Previous make_etags relied on etags command:
> 
> #!/bin/sh
> 
> # src/tools/make_etags
> 
> command -v etags >/dev/null || \
>     { echo "'etags' program not found" 1>&2; exit 1; }
> :
> :
> 
> My Mac (M1 Mac running macOS 12.6) does not have etags. Thus before
> the commit make_etags on Mac failed anyway. Do we want make_etags to
> restore the previous behavior? i.e.  'etags' program not found
> 
> >> If so, we should revert the changes of make_etags by the commit and
> >> make make_etags work with that ctags?
> 
> I think ctags on Mac cannot produce tags file for emacs.

Does is make sense to change make_etags as the attached patch does?
This allows make_etags to use etags if Exuberant-type ctags is not
available. This allows users to use make_etags if hey has either
Exuberant-type ctags or etags.

Regards,
Yugo Nagata

> 
> Best reagards,
> --
> Tatsuo Ishii
> SRA OSS LLC
> English: http://www.sraoss.co.jp/index_en/
> Japanese:http://www.sraoss.co.jp


-- 
Yugo NAGATA <nagata@sraoss.co.jp>