app-misc/ollama: add 0.5.7

Bug: https://bugs.gentoo.org/946268
Signed-off-by: Yahor Berdnikau <egorr.berd@gmail.com>

app-misc/ollama/Manifest

@@ -0,0 +1,2 @@
+DIST ollama-0.5.7-deps.tar.xz 115361652 BLAKE2B 8694b35ef2545481c2e1f6a9d7c462177f25e78aab79288197ec4b33190a905c7e92e54734725cde7f122e1161cbdaf9c72ae40cbeb0b8ee0af9075e3dbb6691 SHA512 d7abe6266120cb9e731e53f6e14e16d8991e76fbab06348de945f53dc407788324b850308e7200616d92dd17a417ad0a2491eddd543bbe2cfee6a66c8ab81840
+DIST ollama-0.5.7.gh.tar.gz 2345089 BLAKE2B 7d5063e9f665ab2a957d449b38017e6a9bb435c938749161c711cfc35d8a0361e7f4db214e0782f3b51c70c909fc5be8b76ca342cda6163b5aca5fdd733c55d9 SHA512 ea8adcec4f8f932c422a400b8cafb4b983bfa0721cd14383ceb8e0a4f588ecd1289d2e1de46a916c1b34d13e5dab2825ef11a37fc3e797345348dea3bd9144fe

app-misc/ollama/ollama-0.5.7.ebuild

@@ -0,0 +1,113 @@
+# Copyright 2024-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+ROCM_VERSION=6.1
+inherit go-module rocm
+
+DESCRIPTION="Get up and running with Llama 3, Mistral, Gemma, and other language models."
+HOMEPAGE="https://ollama.com"
+SRC_URI="https://github.com/ollama/${PN}/archive/refs/tags/v${PV}.tar.gz -> ${P}.gh.tar.gz"
+SRC_URI+=" https://github.com/Tapchicoma/ebuild-deps/raw/refs/heads/main/go-deps/${PN}-${PV}-deps.tar.xz"
+S="${WORKDIR}/${PN}-${PV}"
+LICENSE="MIT"
+SLOT="0"
+
+IUSE="cuda video_cards_amdgpu
+cpu_flags_x86_avx cpu_flags_x86_avx2
+cpu_flags_x86_avx512f cpu_flags_x86_avx512vbmi cpu_flags_x86_avx512_vnni cpu_flags_x86_avx512_bf16
+"
+
+REQUIRED_USE="
+	cpu_flags_x86_avx2? ( cpu_flags_x86_avx )
+	cpu_flags_x86_avx512f? ( cpu_flags_x86_avx2 )
+	cpu_flags_x86_avx512vbmi? ( cpu_flags_x86_avx512f )
+	cpu_flags_x86_avx512_vnni? ( cpu_flags_x86_avx512f )
+	cpu_flags_x86_avx512_bf16? ( cpu_flags_x86_avx512f )
+"
+
+RDEPEND="
+	acct-group/ollama
+	acct-user/ollama
+"
+
+DEPEND="
+	>=dev-lang/go-1.23.4
+	>=dev-build/cmake-3.24
+	>=sys-devel/gcc-11.4.0
+	cuda? ( dev-util/nvidia-cuda-toolkit )
+	video_cards_amdgpu? (
+		sci-libs/hipBLAS[${ROCM_USEDEP}]
+	)
+"
+
+pkg_pretend() {
+	if use video_cards_amdgpu; then
+		ewarn "WARNING: AMD support in this ebuild are experimental"
+		einfo "If you run into issues, especially compiling dev-libs/rocm-opencl-runtime"
+		einfo "you may try the docker image here https://github.com/ROCm/ROCm-docker"
+		einfo "and follow instructions here"
+		einfo "https://rocm.docs.amd.com/projects/install-on-linux/en/latest/how-to/docker.html"
+	fi
+}
+
+src_prepare() {
+	default
+
+	if use video_cards_amdgpu; then
+		# --hip-version gets appended to the compile flags which isn't a known flag.
+		# This causes rocm builds to fail because -Wunused-command-line-argument is turned on.
+		# Use nuclear option to fix this.
+		# Disable -Werror's from go modules.
+		find "${S}" -name ".go" -exec sed -i "s/ -Werror / /g" {} + || die
+	fi
+}
+
+src_compile() {
+	CUSTOM_CPU_FLAGS=""
+	use cpu_flags_x86_avx && CUSTOM_CPU_FLAGS+="avx"
+	use cpu_flags_x86_avx2 && CUSTOM_CPU_FLAGS+=",avx2"
+	use cpu_flags_x86_avx512f && CUSTOM_CPU_FLAGS+=",avx512"
+	use cpu_flags_x86_avx512vbmi && CUSTOM_CPU_FLAGS+=",avx512vbmi"
+	use cpu_flags_x86_avx512_vnni && CUSTOM_CPU_FLAGS+=",avx512vnni"
+	use cpu_flags_x86_avx512_bf16 && CUSTOM_CPU_FLAGS+=",avx512bf16"
+
+	# Build basic ollama executable with cpu features built in
+	export CUSTOM_CPU_FLAGS
+
+	if use video_cards_amdgpu; then
+		export HIP_ARCHS=$(get_amdgpu_flags)
+		export HIP_PATH="/usr"
+	else
+		export OLLAMA_SKIP_ROCM_GENERATE=1
+	fi
+
+	if ! use cuda; then
+		export OLLAMA_SKIP_CUDA_GENERATE=1
+	fi
+	emake dist
+}
+
+src_install() {
+	dobin dist/linux-${ARCH}/bin/ollama
+
+	if [[ -d "dist/linux-${ARCH}/lib/ollama" ]] ; then
+		insinto /usr/lib
+		doins -r dist/linux-${ARCH}/lib/ollama
+	fi
+
+	doinitd "${FILESDIR}"/ollama
+}
+
+pkg_preinst() {
+	keepdir /var/log/ollama
+	fowners ollama:ollama /var/log/ollama
+}
+
+pkg_postinst() {
+	einfo "Quick guide:"
+	einfo "ollama serve"
+	einfo "ollama run llama3:70b"
+	einfo "See available models at https://ollama.com/library"
+}