dev-libs/pocketfft: add to tree

Package-Manager: Portage-3.0.30, Repoman-3.0.3
Signed-off-by: Alfredo Tupone <tupone@gentoo.org>

dev-libs/pocketfft/Manifest

@@ -0,0 +1 @@
+DIST pocketfft-2021.11.23.tar.gz 26769 BLAKE2B 80eb02a2a73d46febf562c3c0b7ad86ee5d9f93b41057c99f9f7f767b7cd2e6b7bc3986e67faaca6e69b9d7e2402febb8d427cb8c57badcafcc5ea0dafd04b20 SHA512 d212cfa34ecde2f38b789d218b5ed4fb9069e41f9d35587dd058b8af89cf22e79a1c8f8ddf2d47d794fa23a7e363cb0631b25461ae3fc9fc5d58e1bdf6356600

dev-libs/pocketfft/metadata.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>tupone@gentoo.org</email>
+		<name>Tupone Alfredo</name>
+	</maintainer>
+	<upstream>
+		<remote-id type="github">mreineck/pocketfft</remote-id>
+	</upstream>
+</pkgmetadata>

dev-libs/pocketfft/pocketfft-2021.11.23.ebuild

@@ -0,0 +1,26 @@
+# Copyright 2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+CommitId=daa8bb18327bc5c7d22c69428c25cf5dc64167d3
+
+DESCRIPTION="PocketFFT for C++"
+HOMEPAGE="https://github.com/mreineck/pocketfft/"
+SRC_URI="https://github.com/mreineck/${PN}/archive/${CommitId}.tar.gz
+	-> ${P}.tar.gz"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~amd64"
+
+DEPEND=""
+RDEPEND="${DEPEND}"
+BDEPEND=""
+
+S="${WORKDIR}"/${PN}-${CommitId}
+
+src_install() {
+	doheader pocketfft_hdronly.h
+	default
+}