Re: [gentoo-user] Clang has gone walkabout

[Simon Thelen]

On 17-04-10 at 20:48, Andrew Lowe wrote:
> On 10/04/17 18:57, J. Roeleveld wrote:
> > On April 10, 2017 12:41:54 PM GMT+02:00, Andrew Lowe <agl@×××××××.au> wrote:
> >> On 10/04/17 18:08, Neil Bothwick wrote:
> >>> On Mon, 10 Apr 2017 17:13:28 +0800, Andrew Lowe wrote:
> >>>
> >>>> 	Do we have any clang users out there? I've had clang installed
> >>>> on my machine for ages and a simple "clang test.c" will result in an
> >>>> executable. I can even nearly build my whole machine using clang, so
> >>>> its up and running. I've now just updated clang, from a working
> >> 3.9.1
> >>>> to a 4.0.0-r1 and clang has now disappeared. If I type in "clang
> >>>> --version", I get "command not found". "whereis clang" only gives me
> >>>> the library dir. Doing "ls -la /usr/bin/cla*" gives me "No such file
> >> or
> >>>> directory"
> >>>
> >>> Try "qlist clang" so see what is installed, "qlist clang | grep bin/"
> >>> should find the executables.
> >>>
> >>> qlist is part of portage-utils, which you probably already have.
> >>>
> >>>
> >>
> >> 	Done as requested. There are 41 files found with clang in their name
> >> and they are all on the dir:
> >>
> >> 	/usr/lib/llvm/4/bin/
> >>
> >> 	I'm no whiz bang sys-admin but that doesn't seem right to me. There is
> >>
> >> clang and clang++ and a whole lot of stuff sym linked to provide all
> >> the
> >> various permutations and combinations of names in there. But there is
> >> nothing in my path that points to that dir. I'll have to have a look at
> >>
> >> the ebuild to see if a symlink or something is not being applied.
> >>
> >> 	Any other thoughts appreciated,
> >>
> >> 		Andrew
> >
> > Try those and see if they respond correctly.
> > If yes, add that dir to your PATH.
> >
> > --
> > Joost
> >
>
> 	They work as expected and I can add the dir to the path with no
> problems, I'm more concerned about why I have add the path - is the
> ebuild screwed up in some way?
>
> 	What is the portage/ebuild doco like? Is it well documented or are
> there gaping holes that lead to frustration - my level of understanding
> of coding is 25 years of C/C++ coding on CAD systems & engineering
> applications and even though I run a Gentoo box as my default machine,
> I've never had the need to get into bash scripting - but might.
>
> 	Andrew
>

Try running `env-update && source /etc/profile'. Your path should be
extended by /etc/profile.env which is generated from /etc/env.d/10llvm-9995.

-- 
Simon Thelen