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# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
inherit flag-o-matic toolchain-funcs
PATCHLEVEL="9"
MY_P="${P/_/-}"
DESCRIPTION="Type-inferring functional programming language descended from the ML family"
HOMEPAGE="https://ocaml.org"
SRC_URI="https://github.com/ocaml/ocaml/archive/${PV/_/+}.tar.gz -> ${MY_P}.tar.gz
mirror://gentoo/${PN}-patches-${PATCHLEVEL}.tar.bz2"
LICENSE="QPL-1.0 LGPL-2"
# Everytime ocaml is updated to a new version, everything ocaml must be rebuilt,
# so here we go with the subslot.
SLOT="0/$(ver_cut 1-2)"
KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~sparc-solaris ~x86-solaris"
IUSE="emacs flambda latex ncurses +ocamlopt spacetime X xemacs"
RDEPEND="
sys-libs/binutils-libs:=
ncurses? ( sys-libs/ncurses:0= )
spacetime? ( sys-libs/libunwind:= )
X? ( x11-libs/libX11 )
!dev-ml/num"
BDEPEND="${RDEPEND}
virtual/pkgconfig"
PDEPEND="emacs? ( app-emacs/ocaml-mode )
xemacs? ( app-xemacs/ocaml )"
S="${WORKDIR}/${MY_P}"
PATCHES=(
"${FILESDIR}/${PN}-4.04.2-tinfo.patch" #459512
"${FILESDIR}"/${P}-gcc10.patch
)
pkg_setup() {
# dev-lang/ocaml creates its own objects but calls gcc for linking, which will
# results in relocations if gcc wants to create a PIE executable
if gcc-specs-pie ; then
append-ldflags -nopie
ewarn "Ocaml generates its own native asm, you're using a PIE compiler"
ewarn "We have appended -nopie to ocaml build options"
ewarn "because linking an executable with pie while the objects are not pic will not work"
fi
}
src_prepare() {
EPATCH_SUFFIX="patch" eapply "${WORKDIR}/patches"
cp "${FILESDIR}"/ocaml.conf "${T}" || die
default
}
src_configure() {
export LC_ALL=C
local myconf=""
# Causes build failures because it builds some programs with -pg,
# bug #270920
filter-flags -fomit-frame-pointer
# Bug #285993
filter-mfpmath sse
# Broken until 4.12
# bug #818445
filter-flags '-flto*'
append-flags -fno-strict-aliasing
# -ggdb3 & co makes it behave weirdly, breaks sexplib
replace-flags -ggdb* -ggdb
# OCaml generates textrels on 32-bit arches
# We can't do anything about it, but disabling it means that tests
# for OCaml-based packages won't fail on unexpected output
# bug #773226
if use arm || use ppc || use x86 ; then
append-ldflags "-Wl,-z,notext"
fi
# It doesn't compile on alpha without this LDFLAGS
use alpha && append-ldflags "-Wl,--no-relax"
use ncurses || myconf="${myconf} -no-curses"
use X || myconf="${myconf} -no-graph"
use flambda && myconf="${myconf} -flambda"
use spacetime && myconf="${myconf} -spacetime"
# ocaml uses a home-brewn configure script, preventing it to use econf.
RAW_LDFLAGS="$(raw-ldflags)" ./configure \
--prefix "${EPREFIX}"/usr \
--bindir "${EPREFIX}"/usr/bin \
--target-bindir "${EPREFIX}"/usr/bin \
--libdir "${EPREFIX}"/usr/$(get_libdir)/ocaml \
--mandir "${EPREFIX}"/usr/share/man \
-target "${CHOST}" \
-host "${CBUILD}" \
-cc "$(tc-getCC)" \
-as "$(tc-getAS)" \
-aspp "$(tc-getCC) -c" \
-partialld "$(tc-getLD) -r" \
--with-pthread ${myconf} || die "configure failed!"
# http://caml.inria.fr/mantis/view.php?id=4698
export CCLINKFLAGS="${LDFLAGS}"
}
src_compile() {
emake world
# Native code generation can be disabled now
if use ocamlopt ; then
# bug #279968
emake opt
emake -j1 opt.opt
fi
}
src_test() {
if use ocamlopt ; then
emake -j1 tests
else
ewarn "${PN} was built without 'ocamlopt' USE flag; skipping tests."
fi
}
src_install() {
emake BINDIR="${ED}"/usr/bin \
LIBDIR="${ED}"/usr/$(get_libdir)/ocaml \
MANDIR="${ED}"/usr/share/man \
install
# Symlink the headers to the right place
dodir /usr/include
# Create symlink for header files
dosym "../$(get_libdir)/ocaml/caml" /usr/include/caml
dodoc Changes README.adoc
# Create envd entry for latex input files
if use latex ; then
echo "TEXINPUTS=\"${EPREFIX}/usr/$(get_libdir)/ocaml/ocamldoc:\"" > "${T}"/99ocamldoc || die
doenvd "${T}/99ocamldoc"
fi
sed -i -e "s:lib:$(get_libdir):" "${T}"/ocaml.conf || die
# Install ocaml-rebuild portage set
insinto /usr/share/portage/config/sets
doins "${T}"/ocaml.conf
}
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