Re: [gentoo-dev] New eclass: oasis.eclass for oasis-based ocaml packages.

[Alexis Ballier]

On Fri, 23 Mar 2012 16:41:35 -0400
Alexandre Rostovtsev <tetromino@g.o> wrote:

> On Fri, Mar 23, 2012 at 4:24 PM, Alexis Ballier <aballier@g.o>
> wrote:
> > On Fri, 23 Mar 2012 23:11:46 +0300
> > Sergei Trofimovich <slyfox@g.o> wrote:
> >> > oasis_src_configure() {
> >> >     ocaml setup.ml -configure \
> >> >             --prefix usr \
> >> >             --libdir /usr/$(get_libdir) \
> >> >             --docdir /usr/share/doc/${PF}/html \
> >> >             --destdir "${D}" \
> >> >             $(oasis_use_enable debug debug) \
> >> >             $(oasis_use_enable ocamlopt is_native) \
> >> >             ${oasis_configure_opts} \
> >> >             || die
> >> > }
> >>
> >> This configure hates gentoo prefix, right?
> >> Might worth sprinkling "${EPREFIX}" around absolute paths.
> >>
> >
> > well, this will imply not supporting eapi2, i can live with it
> >
> > however, usually, i prefer prefix guys that need it to submit
> > patches instead of trying to support it without testing.
> > eg: shall it be EPREFIX before the /usr's?shall it be ED instead of
> > D? both ?
>
> You probably want ${EPREFIX} in front of every /usr passed to
> configure. In other words,
>
> ocaml setup.ml -configure --prefix "${EPREFIX}/usr" --libdir
> "${EPREFIX}/blah" --docdir "${EPREFIX}/blargh" etc.
>
> However, destdir should still be ${D}. That way, in src_install() your
> package's files will be copied to ${D}${EPREFIX}/usr, better known as
> ${ED}usr.

will do that since it doesnt hurt, but it'll require testing anyway.
thanks for the explanations, but then beware of the findlib_src_preinst
call in src_install, which sets a variable so that findlib installs
stuff in $D; if at some point this will be changed to $ED for some
reason then oasis+findlib packages may go in a double prefix...