net-misc/iperf: Sync with Gentoo

It's from Gentoo commit 766abb7fbc774dfed65f6e1b87bc4ca35bccb97a.

sdk_container/src/third_party/portage-stable/net-misc/iperf/Manifest

@@ -2,3 +2,4 @@ DIST iperf-2.0.13.tar.gz 326148 BLAKE2B 2a40aea9e2d7fdc935b91be5e4e586bf68dd2760
 DIST iperf-3.13.tar.gz 648754 BLAKE2B 8b08ae0e67ed066c7dabd115b757fefff03196aa2d732b6d88e20cf82ea3a5431b9be753fcc7b331932a5e59dc3e24ff4b929a7a1af5b500704cdd5094bf6859 SHA512 067147edffa1d7482a9fc5d54638091f8bc099b9c45d9a471f4e33730463548fb2350749620f2ca3ff509cd7a9c4f63bf01f84cab36718edd8784ce7a15ca368
 DIST iperf-3.14.tar.gz 650626 BLAKE2B 3809689964721ec2f58d29985c1767bc12473f9b659fd8bd430adb00558ceda2519276dbc0df5cb9634ef96d3d98708b8413a712cdb372bd34a28a330049349f SHA512 a90fbaddd73e5b721a84cee71cefb63391c13f64107f5785e954e7c44e9a8c5072e402b6fe45434966d3cc58ac97227c608ca9719161fc23459c5e5efcf8232b
 DIST iperf-3.15.tar.gz 649330 BLAKE2B f086d506d1de8e8b333a7ad46a94279aa5b42800ded7cc6724c3400e479a6523b336c74b5956d07117a178b5f89934553535824a05daafcdb2eb8d31754680e1 SHA512 988bc558f40a16c3d94df3956705712829c1c529efd577db16213783846c84bc3edbad19a4d7890b7aba08fbc4e1c6807105df29931e9b45981066b609d87aa2
+DIST iperf-3.16.tar.gz 664751 BLAKE2B 4ca930b58c54d5ae5b0c8b14aca2556224ff2c7b943d32e65486dc2a7e1abd2d26b229e9f759358c326be8754e88a203e11a3ab0f029daa982375a880c3f1cbd SHA512 9ba97e03f17f3b939343b07ed3d508fbf57489e2b984b77a3dc3ada535f981350e56495154bdd108a83b3c507ccbed599b2b7b25de0d1778912d2c01b4ad4e7c

sdk_container/src/third_party/portage-stable/net-misc/iperf/iperf-3.16.ebuild

@@ -0,0 +1,54 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit autotools systemd
+
+DESCRIPTION="A TCP, UDP, and SCTP network bandwidth measurement tool"
+HOMEPAGE="https://github.com/esnet/iperf"
+SRC_URI="https://github.com/esnet/iperf/releases/download/${PV}/${P}.tar.gz"
+S="${WORKDIR}"/${P/_/}
+
+LICENSE="BSD"
+SLOT="3"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos"
+IUSE="sctp"
+
+DEPEND="
+	>=dev-libs/cJSON-1.7.15
+	dev-libs/openssl:=
+	sctp? ( net-misc/lksctp-tools )
+"
+RDEPEND="${DEPEND}"
+BDEPEND="virtual/pkgconfig"
+
+DOCS=( README.md RELNOTES.md )
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-3.10.1-drop-forced-debugging-symbols.patch
+	"${FILESDIR}"/${PN}-3.12-Unbundle-cJSON.patch
+)
+
+src_prepare() {
+	default
+
+	# Drop bundled cjson
+	rm src/cjson.{c,h} || die
+
+	eautoreconf
+}
+
+src_configure() {
+	econf $(use_with sctp)
+}
+
+src_install() {
+	default
+
+	newconfd "${FILESDIR}"/iperf.confd iperf3
+	newinitd "${FILESDIR}"/iperf3.initd iperf3
+	systemd_dounit contrib/iperf3.service
+
+	find "${ED}" -name '*.la' -delete || die
+}