dev-lang/ocaml: add 4.12.0

Closes: https://bugs.gentoo.org/772407
Signed-off-by: Sam James <sam@gentoo.org>

2 files changed, 94 insertions, 0 deletions

diff --git a/dev-lang/ocaml/Manifest b/dev-lang/ocaml/Manifest
index e2259b4a03d7..664a32bf678c 100644
--- a/dev-lang/ocaml/Manifest
+++ b/dev-lang/ocaml/Manifest
@@ -2,4 +2,5 @@ DIST ocaml-4.05.0.tar.gz 4431750 BLAKE2B c2ab003a13e0a581ebd0e1c96eeb8a9baea9bfe
 DIST ocaml-4.09.0.tar.gz 4838748 BLAKE2B 80f29d535c64bf2371b480217723ed20b2b21cfd93ce31366a7b91e7ddffdf68db4e88d085288b7e21efee567a13f42ecff24c3a0115507b006acf844239cefd SHA512 dc0271e591bf929b751705835790949a9d741e12d085c8b207c3689b5838a02ea8de80da8b2605d2e6744f2f541b0d1694ffafff9509e99ce01f3a391f6ef2ae
 DIST ocaml-4.10.2.tar.gz 4933135 BLAKE2B ec5e92adb23c28a254247182c79ab555fd82603e02f24799049b8057abf869d18234302408c8ae89b9997a2b210ed6965e45c2c03e4f0cab34262ad3f6ebb528 SHA512 1dd827da07f01e815fd74dd7ee84db0900f24782f8f7fd426e2d71b9fb03c7b8045f22e018120a0446c362315751365d1bd8c1724edef2b182394e76eb0a07b2
 DIST ocaml-4.11.2.tar.gz 5075323 BLAKE2B bdc503d9a8d0e39dd11060febcd0287657b460e50ed81e55578a3e778af990ca5d4ef9011753eee4e1a144da33eb76c95b1672dc99b76e65a2e107eee472fe06 SHA512 03d8a9f6e130142c121ff2eb3d54f584f1e7c8475f066a5803bb0edd2fa172ca06a56a3ec548b225f5c8b12112d7a68511b1e16f3ade075b5f02610d4247bbb3
+DIST ocaml-4.12.0.tar.gz 5179734 BLAKE2B 318be7e306157102d7ad22802db381dfa9c675e43325395695c3564e5ffee87d9b55d1152ea1603edb5ef715a28cbde85d835dbf1b5aface2dc415c67192c208 SHA512 951e44cdda613f9c6c5f988434c84249a2d63ba14e21938a9e74c174ebaf9d81a3160d1e5021d57fcd4882732ae6aefc05239ac38116f39ca83d53879d5d4eaf
 DIST ocaml-patches-9.tar.bz2 1700 BLAKE2B 4e46b8fb490db28f815414e285f54e251394ea53e1d25c529bbea9f03e426fd19132b1e2c7c2be7d14983fceb4cad073d191b001f6da522fee4226371d4a2eca SHA512 cc19f9104fac69aecc5effa8cb772342e1fb61cdcd38ba0176efe04cf3d710b1c56d5178748f3bd29099af91fa684da432a8ef8d42de76dbd1b6954a255ea6c0
diff --git a/dev-lang/ocaml/ocaml-4.12.0.ebuild b/dev-lang/ocaml/ocaml-4.12.0.ebuild
new file mode 100644
index 000000000000..b045e3d11535
--- /dev/null
+++ b/dev-lang/ocaml/ocaml-4.12.0.ebuild
@@ -0,0 +1,93 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit flag-o-matic
+
+HOMEPAGE="https://ocaml.org/"
+SRC_URI="https://github.com/ocaml/ocaml/archive/${PV}.tar.gz -> ${P}.tar.gz"
+DESCRIPTION="Programming language supporting functional, imperative & object-oriented styles"
+
+LICENSE="QPL-1.0 LGPL-2"
+SLOT="0/${PV}"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~sparc-solaris ~x86-solaris"
+IUSE="emacs flambda latex +ocamlopt xemacs"
+
+RDEPEND="sys-libs/binutils-libs:="
+BDEPEND="${RDEPEND}
+	virtual/pkgconfig"
+PDEPEND="emacs? ( app-emacs/ocaml-mode )
+	xemacs? ( app-xemacs/ocaml )"
+
+src_prepare() {
+	default
+
+	# 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
+
+	# Upstream build ignores LDFLAGS in several places.
+	sed -i -e 's/\(^MKDLL=.*\)/\1 $(LDFLAGS)/' \
+		-e 's/\(^OC_CFLAGS=.*\)/\1 $(LDFLAGS)/' \
+		-e 's/\(^OC_LDFLAGS=.*\)/\1 $(LDFLAGS)/' \
+		Makefile.config.in || die "LDFLAGS fix failed"
+}
+
+src_configure() {
+	local opt=(
+		--bindir="${EPREFIX}/usr/bin"
+		--libdir="${EPREFIX}/usr/$(get_libdir)/ocaml"
+		--mandir="${EPREFIX}/usr/share/man"
+		--prefix="${EPREFIX}/usr"
+		$(use_enable flambda)
+	)
+
+	econf "${opt[@]}"
+}
+
+src_compile() {
+	env -u P emake world
+
+	if use ocamlopt ; then
+		env -u P emake opt
+		env -u P emake opt.opt
+	fi
+}
+
+src_test() {
+	emake -j
+
+	# OCaml tests only work when run sequentially
+	if use ocamlopt ; then
+		emake -j1 ocamltest.opt
+	else
+		emake -j1 ocamltest
+		#ewarn "${PN} was built without 'ocamlopt' USE flag; skipping tests."
+	fi
+
+	emake -j1 tests
+}
+
+src_install() {
+	default
+
+	dodir /usr/include
+	# Create symlink for header files
+	dosym "../$(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
+
+	# Install ocaml-rebuild portage set
+	insinto /usr/share/portage/config/sets
+	doins "${FILESDIR}/ocaml.conf"
+}