dev-libs/mpc: Sync with Gentoo

It's from Gentoo commit 7a92b7f2e5fdea74f1c9d269c7017dbcd268e9b2.

Author: krnowak

sdk_container/src/third_party/portage-stable/dev-libs/mpc/Manifest

@@ -1 +1 @@
-DIST mpc-1.2.1.tar.gz 838731 BLAKE2B 9cd03c6a71839e4cdb3c1f18d718cc4d3097c3f8ec307a5c756bd5df27c68aa013755156b3b156efee1acabfee2269602c6a3a358092ef0d522271c9c56c133d SHA512 3279f813ab37f47fdcc800e4ac5f306417d07f539593ca715876e43e04896e1d5bceccfb288ef2908a3f24b760747d0dbd0392a24b9b341bc3e12082e5c836ee
+DIST mpc-1.3.1.tar.gz 773573 BLAKE2B 76434e6f8830af3571836d51576bfebbc9701e9bbb5c4686f134081cd96cd90ae02f7ff42bf9e3957c7a7ba92b6b2d9cdabe18f0269271147521cd7f6a2d551c SHA512 4bab4ef6076f8c5dfdc99d810b51108ced61ea2942ba0c1c932d624360a5473df20d32b300fc76f2ba4aa2a97e1f275c9fd494a1ba9f07c4cb2ad7ceaeb1ae97

sdk_container/src/third_party/portage-stable/dev-libs/mpc/mpc-1.2.1.ebuild

@@ -0,0 +1,37 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit multilib-minimal
+
+DESCRIPTION="A library for multiprecision complex arithmetic with exact rounding"
+HOMEPAGE="https://www.multiprecision.org/mpc/ https://gitlab.inria.fr/mpc/mpc"
+
+if [[ ${PV} == *_rc* ]] ; then
+	SRC_URI="https://www.multiprecision.org/downloads/${P/_}.tar.gz"
+	S="${WORKDIR}"/${PN}-$(ver_cut 1-3)
+else
+	SRC_URI="mirror://gnu/${PN}/${P}.tar.gz"
+
+	KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
+fi
+
+LICENSE="LGPL-3+ FDL-1.3+"
+SLOT="0/3" # libmpc.so.3
+IUSE="static-libs"
+
+DEPEND="
+	>=dev-libs/gmp-5.0.0:=[${MULTILIB_USEDEP},static-libs?]
+	>=dev-libs/mpfr-4.1.0:=[${MULTILIB_USEDEP},static-libs?]
+"
+RDEPEND="${DEPEND}"
+
+multilib_src_configure() {
+	ECONF_SOURCE="${S}" econf $(use_enable static-libs static)
+}
+
+multilib_src_install_all() {
+	einstalldocs
+	find "${ED}" -name '*.la' -delete || die
+}