1 files changed, 64 insertions, 0 deletions
diff --git a/dev-libs/ncnn/ncnn-20240410.ebuild b/dev-libs/ncnn/ncnn-20240410.ebuild
new file mode 100644
index 000000000000..9e49183c454a
--- /dev/null
+++ b/dev-libs/ncnn/ncnn-20240410.ebuild
@@ -0,0 +1,64 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit cmake toolchain-funcs
+
+DESCRIPTION="High-performance neural network inference framework"
+HOMEPAGE="https://github.com/Tencent/ncnn/"
+SRC_URI="
+	https://github.com/Tencent/ncnn/archive/refs/tags/${PV}.tar.gz
+		-> ${P}.tar.gz
+"
+
+LICENSE="BSD ZLIB"
+SLOT="0/${PV}" # currently has unstable ABI that often requires rebuilds
+KEYWORDS="~amd64 ~x86"
+IUSE="openmp tools +vulkan"
+
+# Need the static library to run tests + skip vulkan / GPU:
+# -DNCNN_BUILD_TESTS=ON -DNCNN_SHARED_LIB=OFF -DNCNN_VULKAN=OFF
+RESTRICT="test"
+
+RDEPEND="
+	tools? (
+		dev-cpp/abseil-cpp:=
+		dev-libs/protobuf:=
+	)
+	vulkan? (
+		dev-util/glslang:=
+		media-libs/vulkan-loader
+	)
+"
+DEPEND="
+	${RDEPEND}
+	vulkan? ( dev-util/vulkan-headers )
+"
+
+DOCS=( README.md docs/. )
+
+pkg_pretend() {
+	[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp
+}
+
+pkg_setup() {
+	[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp
+}
+
+src_configure() {
+	local mycmakeargs=(
+		-DGLSLANG_TARGET_DIR="${ESYSROOT}"/usr/$(get_libdir)/cmake
+		-DNCNN_BUILD_EXAMPLES=no
+		-DNCNN_BUILD_TOOLS=$(usex tools)
+		-DNCNN_OPENMP=$(usex openmp)
+		-DNCNN_PYTHON=no # todo if something needs it
+		-DNCNN_SHARED_LIB=yes
+		-DNCNN_SIMPLEVK=no
+		-DNCNN_SYSTEM_GLSLANG=yes
+		-DNCNN_VERSION=${PV} # avoids libncnn.so.*.%Y%m%d using build date
+		-DNCNN_VULKAN=$(usex vulkan)
+	)
+
+	cmake_src_configure
+}