dev-libs/protobuf-c: add 1.5.1

Closes: https://bugs.gentoo.org/946366
Signed-off-by: Sam James <sam@gentoo.org>

dev-libs/protobuf-c/Manifest

@@ -1,2 +1,3 @@
 DIST protobuf-c-1.4.1.tar.gz 513596 BLAKE2B b5e87a3154863581b81790a26b6b522c2b3ad138e966053f20c6264b4a7677d6c5bff8e27faa7c6cfa9e982b72b06e2f518a3def9f6db13241c3cb3ee9afc8f6 SHA512 190a4aa5c607853e6bf860b0974deb21e4f7f6209e810251eaca9612b59ea676779b0ca217fb1572914ffb8de3315a7d24f162b14d447ee671a9adc5b1271e41
 DIST protobuf-c-1.5.0.tar.gz 507251 BLAKE2B 7b428655901f4fd74b67b75419552e7c02065a5291aed4dcc1d55b98c986caa9ccf846eb5e98e0954420c3e5bea559b0078843e00daa7b5c63465eec21e28204 SHA512 175c9fc901cab88308730eea982dd62b1e0decdceb80aa53be163f17a440b4acecb834a784beab5cd71186413a322a323f4539758a8727ca51801cf92f9bd3da
+DIST protobuf-c-1.5.1.tar.gz 531693 BLAKE2B f3c8688e6d88999b24c1192a91fd96855233c811c9c87534983cca14d06158cf48f729775c529a182326c97c41184ef86fcc26e9ed706e49cf1e7994ed573b61 SHA512 35d4de5562b79056f46320552a27b8e476b92466d0a2f5c697f41b0e1c437bb0b0819c39f71accf942b74ecfcea64e42e0a1e67792eeff4a7e01fbafd84488b5

dev-libs/protobuf-c/protobuf-c-1.5.1.ebuild

@@ -0,0 +1,54 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+# Check 'next' branch for backports.
+
+inherit autotools multilib-minimal
+
+MY_PV="${PV/_/-}"
+MY_P="${PN}-${MY_PV}"
+
+DESCRIPTION="Protocol Buffers implementation in C"
+HOMEPAGE="https://github.com/protobuf-c/protobuf-c"
+SRC_URI="https://github.com/${PN}/${PN}/releases/download/v${MY_PV}/${MY_P}.tar.gz"
+S="${WORKDIR}/${MY_P}"
+
+LICENSE="BSD-2"
+# Subslot == SONAME version
+SLOT="0/1.0.0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~mips ~ppc64 ~riscv ~sparc ~x86"
+IUSE="static-libs"
+
+BDEPEND="
+	>=dev-libs/protobuf-3:0
+	virtual/pkgconfig
+"
+DEPEND="
+	>=dev-libs/protobuf-3:0=[${MULTILIB_USEDEP}]"
+# NOTE
+# protobuf links to abseil-cpp libraries via it's .pc files.
+# To cause rebuild when the abseil-cpp version changes we add it to RDEPEND only.
+RDEPEND="${DEPEND}
+	dev-cpp/abseil-cpp:=[${MULTILIB_USEDEP}]
+"
+
+src_prepare() {
+	default
+	eautoreconf
+}
+
+multilib_src_configure() {
+	local myeconfargs=(
+		$(use_enable static-libs static)
+		--enable-year2038
+	)
+
+	ECONF_SOURCE="${S}" econf "${myeconfargs[@]}"
+}
+
+multilib_src_install_all() {
+	find "${ED}" -name '*.la' -type f -delete || die
+	einstalldocs
+}