sci-libs/kissfft: add cmake patch

Also:
- update EAPI 7 -> 8
- add python12 support

Signed-off-by: David Roman <davidroman96@gmail.com>
Signed-off-by: Yixun Lan <dlan@gentoo.org>

3 files changed, 94 insertions, 4 deletions

diff --git a/sci-libs/kissfft/files/kissfft-131.1.0-cmake.patch b/sci-libs/kissfft/files/kissfft-131.1.0-cmake.patch
new file mode 100644
index 000000000000..a3cb3e468e17
--- /dev/null
+++ b/sci-libs/kissfft/files/kissfft-131.1.0-cmake.patch
@@ -0,0 +1,26 @@
+diff --git a/kissfft-config.cmake.in b/kissfft-config.cmake.in
+index cd7139a..7d6c7a2 100644
+--- a/kissfft-config.cmake.in
++++ b/kissfft-config.cmake.in
+@@ -66,14 +66,19 @@ foreach(_kissfft_datatype simd int16 int32 float double)
+ endforeach()
+ 
+ if(_kissfft_datatype_detected)
+-    if(NOT TARGET kissfft::kissfft-${_kissfft_datatype_detected})
+-        message(FATAL_ERROR "kissfft with datatype=${_kissfft_datatype_detected} is not installed")
++    if(TARGET kissfft::kissfft-${_kissfft_datatype_detected}-openmp)
++	set(_kissfft_openmp_detected "-openmp")
+     endif()
++
++    if(NOT TARGET kissfft::kissfft-${_kissfft_datatype_detected}${_kissfft_openmp_detected})
++        message(FATAL_ERROR "kissfft with datatype=${_kissfft_datatype_detected}${_kissfft_openmp_detected} is not installed")
++    endif()
++
+     if(TARGET kissfft::kissfft)
+         message(SEND_ERROR "kissfft::kissfft already exists. You cannot use 2 find_package's with datatype that are visible to eachother.")
+     else()
+         add_library(kissfft::kissfft INTERFACE IMPORTED)
+-        set_property(TARGET kissfft::kissfft PROPERTY INTERFACE_LINK_LIBRARIES kissfft::kissfft-${_kissfft_datatype_detected})
++        set_property(TARGET kissfft::kissfft PROPERTY INTERFACE_LINK_LIBRARIES kissfft::kissfft-${_kissfft_datatype_detected}${_kissfft_openmp_detected})
+     endif()
+ endif()
diff --git a/sci-libs/kissfft/kissfft-131.1.0-r1.ebuild b/sci-libs/kissfft/kissfft-131.1.0-r1.ebuild
new file mode 100644
index 000000000000..14e039c7eec1
--- /dev/null
+++ b/sci-libs/kissfft/kissfft-131.1.0-r1.ebuild
@@ -0,0 +1,63 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{9..12} )
+
+inherit cmake python-any-r1 toolchain-funcs
+
+DESCRIPTION="A Fast Fourier Transform (FFT) library that tries to Keep it Simple, Stupid"
+HOMEPAGE="https://github.com/mborgerding/kissfft"
+
+if [[ ${PV} == *9999 ]] ; then
+	EGIT_REPO_URI="https://github.com/mborgerding/kissfft"
+	inherit git-r3
+else
+	SRC_URI="https://github.com/mborgerding/kissfft/archive/${PV}.tar.gz -> ${P}.tar.gz"
+	KEYWORDS="~amd64 ~arm ~arm64 ~riscv ~x86"
+fi
+
+LICENSE="BSD"
+SLOT="0"
+IUSE="alloca cpu_flags_x86_sse openmp test tools"
+RESTRICT="!test? ( test )"
+
+DEPEND="
+	test? (
+		sci-libs/fftw:3.0
+		$(python_gen_any_dep '
+			dev-python/numpy[${PYTHON_USEDEP}]
+		')
+	)
+"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-131.1.0-cross.patch
+	"${FILESDIR}"/${PN}-131.1.0-cmake.patch
+)
+
+python_check_deps() {
+	python_has_version -d "dev-python/numpy[${PYTHON_USEDEP}]"
+}
+
+pkg_pretend() {
+	[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp
+}
+
+pkg_setup() {
+	use test && python-any-r1_pkg_setup
+	[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp
+}
+
+src_configure() {
+	local mycmakeargs=(
+		-DKISSFFT_OPENMP=$(usex openmp 1 0)
+		-DKISSFFT_TEST=$(usex test)
+		-DKISSFFT_TOOLS=$(usex tools)
+		-DKISSFFT_USE_ALLOCA=$(usex alloca)
+		-DKISSFFT_DATATYPE=$(usex cpu_flags_x86_sse simd float)
+	)
+
+	cmake_src_configure
+}
diff --git a/sci-libs/kissfft/kissfft-9999.ebuild b/sci-libs/kissfft/kissfft-9999.ebuild
index 238fe43ab8ee..14e039c7eec1 100644
--- a/sci-libs/kissfft/kissfft-9999.ebuild
+++ b/sci-libs/kissfft/kissfft-9999.ebuild
@@ -1,9 +1,9 @@
-# Copyright 1999-2023 Gentoo Authors
+# Copyright 1999-2024 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-EAPI=7
+EAPI=8
 
-PYTHON_COMPAT=( python3_{9..11} )
+PYTHON_COMPAT=( python3_{9..12} )
 
 inherit cmake python-any-r1 toolchain-funcs
 
@@ -15,7 +15,7 @@ if [[ ${PV} == *9999 ]] ; then
 	inherit git-r3
 else
 	SRC_URI="https://github.com/mborgerding/kissfft/archive/${PV}.tar.gz -> ${P}.tar.gz"
-	KEYWORDS="~amd64 ~arm ~arm64 ~x86"
+	KEYWORDS="~amd64 ~arm ~arm64 ~riscv ~x86"
 fi
 
 LICENSE="BSD"
@@ -34,6 +34,7 @@ DEPEND="
 
 PATCHES=(
 	"${FILESDIR}"/${PN}-131.1.0-cross.patch
+	"${FILESDIR}"/${PN}-131.1.0-cmake.patch
 )
 
 python_check_deps() {