sci-libs/OpDiLib: new package, add 1.2.1

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

sci-libs/OpDiLib/Manifest

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+DIST OpDiLib-1.2.1.tar.gz 66659 BLAKE2B d34182436d4a70ef18d2e65ffe3f0bc1c3cd86fcf2bf1b3a873421ae76faaaded723395083e14620e30edf6503b0a831878851a20ae981f4dbe2520e17443728 SHA512 8c74a6e9c1364556588e6dd6ca466753820eddc588a0d3fb330943079aee1d5db230942bc00a3f94a022f1a60b3b5a76be880d31517d2ade0b274538324f6c5b

sci-libs/OpDiLib/OpDiLib-1.2.1.ebuild

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+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit toolchain-funcs
+
+DESCRIPTION='Open Multiprocessing Differentiation Library'
+HOMEPAGE="
+	https://github.com/SciCompKL/OpDiLib
+	https://www.scicomp.uni-kl.de/software/opdi/
+"
+SRC_URI="https://github.com/SciCompKL/${PN}/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz"
+
+KEYWORDS="~amd64"
+LICENSE='GPL-3'
+IUSE="examples"
+SLOT="0"
+
+DEPEND="examples? ( sci-libs/CoDiPack )"
+RDEPEND="${DEPEND}"
+
+src_compile() {
+	if use examples; then
+		tc-export CXX
+		"${CXX}" -I/usr/include/codi -I./include --std=c++11 -fopenmp -o macroexample macroexample.cpp || die
+		"${CXX}" -I/usr/include/codi -I./include --std=c++11 -fopenmp -o omptexample omptexample.cpp || die
+	fi
+	return
+}
+
+src_install() {
+	dodoc README.md
+	doheader -r include/*
+	insinto "/usr/share/${PN}"
+	doins -r syntax
+	exeinto "/usr/libexec/${PN}/examples"
+	use examples && doexe {macro,ompt}example
+}

sci-libs/OpDiLib/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">
+		<name>Alessandro Barbieri</name>
+		<email>lssndrbarbieri@gmail.com</email>
+	</maintainer>
+	<upstream>
+		<bugs-to>https://github.com/SciCompKL/OpDiLib/issues</bugs-to>
+		<remote-id type="github">SciCompKL/OpDiLib</remote-id>
+	</upstream>
+</pkgmetadata>