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diff --git a/sci-mathematics/normaliz/normaliz-3.9.3.ebuild b/sci-mathematics/normaliz/normaliz-3.9.3.ebuild
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@@ -0,0 +1,63 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit toolchain-funcs
+
+DESCRIPTION="Tool for computations in affine monoids and more"
+HOMEPAGE="https://www.normaliz.uni-osnabrueck.de/"
+SRC_URI="https://github.com/Normaliz/Normaliz/releases/download/v${PV}/${P}.tar.gz"
+
+LICENSE="GPL-3"
+SLOT="0/3"
+KEYWORDS="~amd64 ~arm ~riscv ~x86 ~amd64-linux ~x86-linux"
+IUSE="doc extras nauty openmp"
+
+RDEPEND="
+	dev-libs/gmp:=[cxx(+)]
+	nauty? ( sci-mathematics/nauty )
+"
+DEPEND="
+	${RDEPEND}
+	dev-libs/boost
+"
+# Only a boost header is needed -> not RDEPEND
+
+pkg_setup() {
+	use openmp && tc-check-openmp
+}
+
+src_configure() {
+	# flint (and arb, which doesn't make an appearance in ./configure --help)
+	# is somehow connected to e-antic, which we do not yet package. Likewise
+	# we have no packages for cocoalib or hashlibrary.
+	econf \
+		$(use_enable openmp) \
+		$(use_with nauty) \
+		--without-cocoalib \
+		--without-hashlibrary \
+		--without-flint \
+		--without-e-antic \
+		--disable-static
+}
+
+src_compile() {
+	# Clobber the default "AM_LDFLAGS = -Wl,-s" to avoid QA warnings
+	# about pre-stripped binaries.
+	emake AM_LDFLAGS=""
+}
+
+src_install() {
+	default
+
+	use doc && dodoc doc/Normaliz.pdf doc/NmzShortRef.pdf
+	if use extras; then
+		newdoc Singular/normaliz.pdf singular-normaliz.pdf
+		insinto /usr/share/${PN}
+		doins Singular/normaliz.lib
+		doins Macaulay2/Normaliz.m2
+	fi
+
+	find "${ED}" -type f -name "*.la" -delete || die
+}