From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Ergus Newsgroups: gmane.emacs.devel Subject: Re: [PATCH] Re: etags name collision. 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List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:288251 Archived-At: On Mon, Apr 11, 2022 at 11:04:56PM +0200, Ulrich Mueller wrote: >>>>>> On Mon, 11 Apr 2022, Ergus wrote: > >>>> +AC_ARG_WITH([ctags], >>>> + [AS_HELP_STRING([--with-ctags], >>>> + [rely on System ctags; this is the default if Universal ctags or >>>> + Exuberant ctags is installed])], >>>> + [], >>>> + [with_ctags=$with_features >>>> + if test "$with_ctags" = yes; then >>>> + (ctags --version | grep "GNU Emacs") 2>/dev/null || with_ctags=no >>> >>> Shouldn't this use the actual name under which Emacs will install ctags? >>> That is, respect AC_ARG_PROGRAM? >>> >> Not needed, if it uses a different name there is no collision, so the >> test is not needed. > >If universal ctags is installed as "ctags", above test would detect that >the installed version is not Emacs ctags. So, installation of ctags by >Emacs would be suppressed, even if it was under a different name. > >Or am I missing something here? > But that's exactly the idea... to do what we do with movemail... >> The option --with-ctags means rely on System ctags. I don't think you >> need anything new. > >Universal ctags isn't more "system" than Emacs. They're both packages. >(Again, this is from a distro point of view.) > emacs's ctags is not a package but just an executable inside another package.