dev-ml/mirage-flow: initial import

Signed-off-by: Alessandro Barbieri <lssndrbarbieri@gmail.com>

dev-ml/mirage-flow/Manifest

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+DIST mirage-flow-3.0.0.tar.gz 11463 BLAKE2B 7d2060516b9de854567818dd1ab037d0b90d8e405a7e33ef6eca4ef6dba0c1d5520ce45083d1a7b245e04b5a697622bd53e4cf3a6bbc65ad6a31197b44178aa6 SHA512 0397bf5a1bea5ae91c498fe0a56f5b5e863b59709938bca91ae75c998435a221199ffb9a26ab06bf238fce0a34e06a3c3f3794bca5ad9d95114eca03b5ff7e8c

dev-ml/mirage-flow/metadata.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+   <maintainer type="person">
+        <email>lssndrbarbieri@gmail.com</email>
+        <name>Alessandro Barbieri</name>
+    </maintainer>
+   <upstream>
+        <remote-id type="github">mirage/mirage-flow</remote-id>
+    </upstream>
+    <use>
+        <flag name="combinators">Flow implementations and combinators for MirageOS specialized to lwt</flag>
+        <flag name="unix">Flow implementations and combinators for MirageOS on Unix</flag>
+    </use>
+</pkgmetadata>

dev-ml/mirage-flow/mirage-flow-3.0.0.ebuild

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+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit dune multiprocessing
+
+DESCRIPTION="Flow implementations for Mirage"
+HOMEPAGE="https://github.com/mirage/mirage-flow"
+SRC_URI="https://github.com/mirage/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="ISC"
+SLOT="0/${PV}"
+KEYWORDS="~amd64"
+IUSE="combinators ocamlopt test unix"
+
+RDEPEND="
+	combinators? ( dev-ml/mirage-clock )
+	dev-ml/cstruct
+	dev-ml/fmt
+	dev-ml/logs
+	dev-ml/lwt
+"
+DEPEND="
+	${RDEPEND}
+	test? ( dev-ml/alcotest )
+"
+
+REQUIRED_USE="test? ( combinators unix )"
+RESTRICT="!test? ( test )"
+
+src_compile() {
+	local pkgs="mirage-flow"
+	for u in combinators unix ; do
+		if use ${u} ; then
+			pkgs="${pkgs},mirage-flow-${u}"
+		fi
+	done
+	dune build --only-packages "${pkgs}" -j $(makeopts_jobs) --profile release || die
+}
+
+src_install() {
+	dune_src_install mirage-flow
+	use combinators && dune_src_install mirage-flow-combinators
+	use unix && dune_src_install mirage-flow-unix
+}