dev-libs/libuv: Sync with Gentoo

It's from Gentoo commit 4e65d84678f80c4b477ddc4e42c01f7cd29058ac.

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

@@ -1,2 +1,3 @@
 DIST libuv-1.44.2.tar.gz 1309062 BLAKE2B 883a1fbffcd8f55bf28ea5a79ed18aa3e2f2fac126285e8aca2ef9370eafc62f69f95ddb8bf27d4159e038bfb0a01abafdf0dadbc4309e5d31f0e77057ee84ac SHA512 d21c890787b0b364fafa5fc0cbbff296bc2ca269e1991d2f7f35fcb37b8634da377466f5af5a4245425fcf876ae6870d100ab32b12bce64f8e0b01fd25a1bc83
 DIST libuv-1.45.0.tar.gz 1307245 BLAKE2B fcd9aad052cf641e5e974b1e3c47bef7968474f4b0e38363559719a164867ce6e67630c1d0fd0386da22ba5b82e35c6ca946b7509a8a08f08f972388e70a40b9 SHA512 a156dd0ed06bc7c50515f46ef6e5636d870288636f442ce9ec46716e22fdaa664ce49e432f4737c81e9c6013b34ed150e7420ab9fc316ed23281096954359774
+DIST libuv-1.46.0.tar.gz 1311065 BLAKE2B fd492b6ca873a08ad4df7561b9d83a09d9bd2cbc10c17265c02982a231edb5c6d71698aecc9a14d455ea230f9e791807f42561d8b3c96e37edb4a709860859b0 SHA512 e3a7c10ffd909f9b128fb2316e09b8456e87278107178b49368f31ba30e7f62d64e7eba650cc59ef2d7eb178199c7a2c5b5c99b333849200492235116d7aee7a

sdk_container/src/third_party/portage-stable/dev-libs/libuv/libuv-1.46.0.ebuild

@@ -0,0 +1,53 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit autotools
+
+DESCRIPTION="Cross-platform asychronous I/O"
+HOMEPAGE="https://github.com/libuv/libuv"
+
+if [[ ${PV} = 9999* ]]; then
+	EGIT_REPO_URI="https://github.com/libuv/libuv.git"
+	inherit git-r3
+else
+	SRC_URI="https://github.com/libuv/libuv/archive/v${PV}.tar.gz -> ${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="BSD BSD-2 ISC MIT"
+SLOT="0/1"
+
+BDEPEND="
+	sys-devel/libtool
+	virtual/pkgconfig
+"
+
+src_prepare() {
+	default
+
+	echo "m4_define([UV_EXTRA_AUTOMAKE_FLAGS], [serial-tests])" \
+		> m4/libuv-extra-automake-flags.m4 || die
+
+	if [[ ${CHOST} == *-darwin* && ${CHOST##*darwin} -le 9 ]] ; then
+		eapply "${FILESDIR}"/${PN}-1.41.0-darwin.patch
+	fi
+
+	# Upstream fails to ship a configure script
+	eautoreconf
+}
+
+src_configure() {
+	local myeconfargs=(
+		cc_cv_cflags__g=no
+	)
+
+	econf "${myeconfargs[@]}"
+}
+
+src_install() {
+	default
+
+	find "${ED}" -name '*.la' -delete || die
+}