diff --git a/sys-cluster/evpath/Manifest b/sys-cluster/evpath/Manifest
new file mode 100644
index 0000000000..72570f4c98
--- /dev/null
+++ b/sys-cluster/evpath/Manifest
@@ -0,0 +1 @@
+DIST evpath-4.5.0.gh.tar.gz 806308 BLAKE2B b69683c165aba2f15c6839adb6357a93e3588cf7ebe48f60062bab43b7f614102af72803ea650b1f7b979a3fa11734f98621e5e11e4f968c2dc3a2bd1511f14e SHA512 e5c7d2a7beda731db39f99fe0e0f3b6d96b0c9442edf523de51a0369f3aa6fb01cb97c52c6f8752a7a18b855793b7138d9aea7d12120a60a7dc6f9f65eb70190
diff --git a/sys-cluster/evpath/evpath-4.5.0.ebuild b/sys-cluster/evpath/evpath-4.5.0.ebuild
new file mode 100644
index 0000000000..dab57e8d6d
--- /dev/null
+++ b/sys-cluster/evpath/evpath-4.5.0.ebuild
@@ -0,0 +1,53 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit cmake
+
+DESCRIPTION="EVpath is an event transport middleware layer"
+HOMEPAGE="https://github.com/GTkorvo/evpath"
+SRC_URI="https://github.com/GTKorvo/${PN}/archive/refs/tags/v${PV}.tar.gz -> ${P}.gh.tar.gz"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE="enet infiniband libfabric test udt4" # nvml nnti
+
+RDEPEND="
+	dev-libs/atl
+	dev-libs/dill
+	dev-libs/ffs
+
+	enet? ( net-libs/enet )
+	infiniband? ( sys-block/libfabric )
+	libfabric? ( sys-block/libfabric )
+	udt4? ( net-libs/udt:4 )
+"
+DEPEND="${RDEPEND}"
+
+RESTRICT="!test? ( test )"
+PATCHES=( "${FILESDIR}/${P}-find-udt.patch" )
+
+src_configure() {
+	local mycmakeargs=(
+		-DBUILD_SHARED_LIBS=ON
+		-DEVPATH_INSTALL_HEADERS=ON
+		-DEVPATH_INSTALL_PKGCONFIG=ON
+		-DEVPATH_QUIET=OFF
+		-DEVPATH_USE_NNTI=OFF
+		-DEVPATH_USE_NVML=OFF
+
+		-DBUILD_TESTING=$(usex test)
+		-DEVPATH_USE_ENET=$(usex enet)
+		-DEVPATH_USE_IBVERBS=$(usex infiniband)
+		-DEVPATH_USE_LIBFABRIC=$(usex libfabric)
+		-DEVPATH_USE_UDT4=$(usex udt4)
+	)
+#		-DEVPATH_USE_ZPL_ENET=$(usex enet)
+	cmake_src_configure
+}
+
+src_install() {
+	cmake_src_install
+}
diff --git a/sys-cluster/evpath/files/evpath-4.5.0-find-udt.patch b/sys-cluster/evpath/files/evpath-4.5.0-find-udt.patch
new file mode 100644
index 0000000000..768ebe4110
--- /dev/null
+++ b/sys-cluster/evpath/files/evpath-4.5.0-find-udt.patch
@@ -0,0 +1,36 @@
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -296,7 +296,8 @@
+ if(DEFINED EVPATH_USE_UDT4)
+   option(EVPATH_USE_UDT4 "Build the udt4 transport" "${EVPATH_USE_UDT4}")
+   if(EVPATH_USE_UDT4)
+-    find_package(udt4 4.11 REQUIRED)
++    find_package(PkgConfig REQUIRED)
++    pkg_check_modules(UDT4 REQUIRED udt)
+   endif()
+ else()
+   find_package(udt4 4.11)
+@@ -309,17 +310,18 @@
+   set(RUN_UDT4_TESTS FALSE)   # DON'T TEST.  UDT4 NOT USEFUL
+   if(EVPATH_TRANSPORT_MODULES)
+     add_library(cmudt4 MODULE cmudt4.cpp ip_config.c)
++    target_include_directories(cmudt4 PRIVATE ${UDT4_INCLUDE_DIRS})
+     set_target_properties(cmudt4 PROPERTIES
+       OUTPUT_NAME ${EVPATH_LIBRARY_PREFIX}cmudt4)
+ 
+-    target_link_libraries(cmudt4 evpath udt4::udt4)
++    target_link_libraries(cmudt4 evpath ${UDT4_LIBRARIES})
+     list(APPEND EVPATH_TRANSPORT_TARGETS cmudt4)
+   else()
+     target_sources(EVPath PRIVATE cmudt4.cpp)
+-    target_link_libraries(EVPath PRIVATE udt4::udt4)
+-    _pkg_get_target_prefix(udt4::udt4 udt4_PREFIX)
+-    list(APPEND _pkg_config_pfxs "${udt4_PREFIX}")
+-    list(APPEND _pkg_config_private_reqs "udt4 >= ${udt4_VERSION}")
++    target_link_libraries(EVPath PRIVATE ${UDT4_LIBRARIES})
++    target_include_directories(EVPath PRIVATE ${UDT4_INCLUDE_DIRS})
++    list(APPEND _pkg_config_pfxs "${UDT4_PREFIX}")
++    list(APPEND _pkg_config_private_reqs "udt >= ${UDT4_VERSION}")
+   endif()
+ endif()
+ 
diff --git a/sys-cluster/evpath/metadata.xml b/sys-cluster/evpath/metadata.xml
new file mode 100644
index 0000000000..6a87daee79
--- /dev/null
+++ b/sys-cluster/evpath/metadata.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+  <maintainer type="person">
+    <email>lssndrbarbieri@gmail.com</email>
+    <name>Alessandro Barbieri</name>
+  </maintainer>
+  <upstream>
+    <bugs-to>https://github.com/GTKorvo/evpath/issues</bugs-to>
+    <remote-id type="github">GTKorvo/evpath</remote-id>
+  </upstream>
+  <use>
+    <flag name="enet">Build the enet transport</flag>
+    <flag name="infiniband">Build the ibverbs transport</flag>
+    <flag name="libfabric">Build the libfabric transport</flag>
+    <flag name="udt4">Build the udt4 transport</flag>
+  </use>
+</pkgmetadata>