On 2019-09-30 12:57 -0500, Bruce Dubbs via blfs-dev wrote:
> On 9/30/19 12:40 PM, Xi Ruoyao via blfs-dev wrote:
> > On 2019-09-30 12:37 -0500, Bruce Dubbs via blfs-dev wrote:
> > > On 9/30/19 12:25 PM, Xi Ruoyao via blfs-dev wrote:
> > > > On 2019-09-30 19:22 +0200, Thomas Trepl via blfs-dev wrote:
> > > > > Hi all,
> > > > >
> > > > > so far i have built a nice Xfce system avoiding python2, gtk2 and
> > > > > rustc at all and Xfce-4.14 builds/runs fine without gtk2. For librsvg
> > > > > i use the old non-rust version 2.40.20 which still works pretty well -
> > > > > ok, i know, thats not really the way to go but building gigabytes of
> > > > > compiler stuff just for one lib?
> > > > >
> > > > > But now, for firefox it seems that there's no way around. All of
> > > > > browsers have downsides (epihani needs webkitgtk needs gtk2, falcon
> > > > > needs Python2, seamonkey needs gtk2, firefox needs rustc,gtk2). All i
> > > > > need is a good browser so unfortunatly i need to "die some kind of
> > > > > death".
> > > > >
> > > > > Well i started to fool around with rust and tried to package using the
> > > > > DESTDIR mechanism.
> > > > >
> > > > > In rusts config file the prefix is specified
> > > > >
> > > > > [install]
> > > > > prefix = "/opt/rustc-1.35.0"
> > > > >
> > > > > and according to the instructions we create that dir upfront. Since
> > > > > book also uses DESTDIR strategy I thought "ah, its easy, just put my
> > > > > DESTDIR there instead of $pwd/install" and left out the creation of
> > > > > the /opt/rustc-1.35.0 out because i do not install in "real"
> > > > > locations.
> > > > >
> > > > > Badly enough, install failed with an error message like "/opt/rustc-
> > > > > 1.35.0 cannot be canonicalized" or such.
> > > > >
> > > > > After a few re-runs of building rustc (much fun it is to wait and do
> > > > > it again because of a typo in the build script...) I ended up with
> > > > > creating the $prefix dir on the build machine even DESTDIR install
> > > > > puts the files somewhere else.
> > > > > Looking at Arch's instructions, they do pretty much same but their
> > > > > $prefix is "/usr" which obviously already exists on building machine.
> > > > >
> > > > > Have you ever tried to install rust via DESTDIR and if yes, did you
> > > > > see same issue and if yes, how did you work around?
> > > >
> > > > Yes. I had to "mkdir /opt/rustc-{version}".
> > >
> > > Why not just use the instructions in the book?
> > >
> > > From the note in the book:
> > >
> > > "Unusually, a DESTDIR-style method is being used to install this
> > > package. This is because running the install as root not only downloads
> > > all of the cargo files again (to /root/.cargo), it then spends a very
> > > long time recompiling. Using this method saves a lot of time, at the
> > > cost of extra disk space."
> > >
> > >
> > > DESTDIR=${PWD}/install python3 ./x.py install
> >
> > The error message "/opt/rustc-1.35.0 cannot be canonicalized" shows up HERE,
> > before the "cp" command creating /opt/rustc-1.35.0.
> >
> > > sudo chown -R root:root install
> > > sudo cp -a install/* /
>
> Right, The book explicitly says:
>
> To install into the /opt directory, remove the symlink and create a
> new directory (i.e. with a different name if trying a modified build).
> As the root user:
>
> mkdir /opt/rustc-1.35.0
> ln -svfin rustc-1.35.0 /opt/rustc
>
> FBBG
>
> -- Bruce
Oh, I didn't read carefully. Sorry for that :(.
--
Xi Ruoyao <[email protected]>
School of Aerospace Science and Technology, Xidian University
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