sci-libs/rocFFT: FFT implementation for ROCm.

Closes: https://github.com/gentoo/gentoo/pull/19146
Bug: https://bugs.gentoo.org/650804
Bug: https://github.com/gentoo/gentoo/pull/10724
Suggested-by: Yiyang Wu <xgreenlandforwyy@gmail.com>
Suggested-by: Wilfried Holzke <gentoo@holzke.net>
Package-Manager: Portage-3.0.12, Repoman-3.0.1
Signed-off-by: Benda Xu <heroxbd@gentoo.org>

sci-libs/rocFFT/Manifest

@@ -0,0 +1 @@
+DIST rocFFT-4.0.0.tar.gz 772176 BLAKE2B f08db9487449e707ba814a66d23992f68c140017a38f72ee45b3b224fc3e46abd40b976aef645f4432601265b38cff8939456981c686360eba135349b5d28fb5 SHA512 db9a6b49162dfb7924aa5f5dc8d42c92a5a741e03c3c0b4ece2cfb72de7506a345f3d28d31a3d7755cfe78078c448c9f952ca671e472335a4301de8702916176

sci-libs/rocFFT/metadata.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+  <maintainer type="project">
+    <email>sci@gentoo.org</email>
+    <name>Gentoo Science Project</name>
+  </maintainer>
+  <maintainer type="person">
+    <email>candrews@gentoo.org</email>
+    <name>Craig Andrews</name>
+  </maintainer>
+  <maintainer type="person">
+    <email>gentoo@holzke.net</email>
+    <name>Wilfried Holzke</name>
+  </maintainer>
+  <upstream>
+    <remote-id type="github">ROCmSoftwarePlatform/rocFFT</remote-id>
+  </upstream>
+</pkgmetadata>

sci-libs/rocFFT/rocFFT-4.0.0-r1.ebuild

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+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit cmake flag-o-matic check-reqs
+
+DESCRIPTION="Next generation FFT implementation for ROCm"
+HOMEPAGE="https://github.com/ROCmSoftwarePlatform/rocFFT"
+SRC_URI="https://github.com/ROCmSoftwarePlatform/rocFFT/archive/rocm-${PV}.tar.gz -> rocFFT-${PV}.tar.gz"
+
+LICENSE="MIT"
+KEYWORDS="~amd64"
+SLOT="0"
+
+RDEPEND="=dev-util/hip-$(ver_cut 1-2)*"
+DEPEND="${RDEPEND}"
+
+CHECKREQS_MEMORY="28G"
+
+S="${WORKDIR}/rocFFT-rocm-${PV}"
+
+src_prepare() {
+	sed -e "s/PREFIX rocfft//" \
+		-e "/rocm_install_symlink_subdir/d" \
+		-e "/<INSTALL_INTERFACE/s,include,include/rocFFT," \
+		-i library/src/CMakeLists.txt || die
+
+	sed -e "/rocm_install_symlink_subdir/d" \
+		-e "$!N;s:PREFIX\n  rocfft:# PREFIX rocfft\n:;P;D" \
+		-i library/src/device/CMakeLists.txt || die
+
+	eapply_user
+	cmake_src_prepare
+}
+
+src_configure() {
+	# Grant access to the device
+	addwrite /dev/kfd
+	addpredict /dev/dri/
+
+	# Compiler to use
+	export CXX=hipcc
+
+	local mycmakeargs=(
+		-Wno-dev
+		-DCMAKE_INSTALL_INCLUDEDIR="include/rocFFT/"
+	)
+
+	cmake_src_configure
+}