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Re: readline-8.0-alpha: Makefile.in: don't forget to create pkgconfigdir

From: gabriele balducci
Subject: Re: readline-8.0-alpha: Makefile.in: don't forget to create pkgconfigdir
Date: Fri, 25 May 2018 04:05:54 +0200

> >> Thanks for the report. I think a better fix is to not to attempt to
> >> install readline.pc if $(pkgconfigdir) is missing.
> > 
> > Why not? If you are doing an install into DESTDIR for the purpose of
> > bundling a pre-built binary for a distro, then $(pkgconfigdir) will be
> > missing, because the ONLY things living in DESTDIR are what the package
> > itself installs.  When DESTDIR is empty, you're right that either
> > $(pkgconfigdir) is likely to already exist, or that the user is not using
> > pkg-config; but even that's a risky assumption (when bootstrapping a
> > system, readline might be installed prior to pkg-config, and we shouldn't
> > require the user to run 'make install' a second time just to install the
> > pieces that weren't installed the first time).
> Good point about $(DESTDIR). I don't quite buy the bootstrapping argument.

Actually, I don't use DESTDIR, but my situation is equivalent: I use
stow (https://www.gnu.org/software/stow/). Which means: I install every
version of every package under a brand new directory tree (eg
--prefix=/opt/stow.d/versions/readline-8.0-alpha/) and stow creates links from
the package specific installation tree to "legacy" system directories
(/usr/bin /usr/lib /usr/lib/pkgconfig  etc.): so, also in my case the
pkgconfig dir doesn't exist at install time, but I definitely want to
create it and to install readline.pc


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