2 files changed, 98 insertions, 0 deletions
diff --git a/dev-lang/ispc/Manifest b/dev-lang/ispc/Manifest
index 1e1a8eb3cb09..0c35d129a29f 100644
--- a/dev-lang/ispc/Manifest
+++ b/dev-lang/ispc/Manifest
@@ -1,2 +1,3 @@
 DIST ispc-1.28.0.gh.tar.gz 20019120 BLAKE2B 8ec8d9663646b111649cab9c68955ae2e1fcb1a7964dc49681d921d1d0b7eb92b125a439ada181a43b341a99b531f1f525b34fc4dc1a9e3a0fb1b9aa927bbb8a SHA512 693549c635116ae6a4c9d0419869da1c69590d043c151111c0381e16a491a5c5477f040ff8fbffac8bc286f11eee27eda53b748b642eac3921aa3877ed4229b6
 DIST ispc-1.28.2.gh.tar.gz 20021526 BLAKE2B 21012907bfd5f41c4bb4d2ae776a19ebf535615c9bc3af6db48ff61d39ff65ec26367cbf7ffca33ce64ee8d938d9617e1174f0fd8de400fa6d5f7642a98f0d9f SHA512 5fe5e7aff95c5e6805c6f0999659fec2cbae5fc187d75de22a069a3338f28b93fbc5d5c58edf4850e1741afa1cdf62b1aab877f1dbfafc81380fc85242cc0590
+DIST ispc-1.29.0.gh.tar.gz 20083746 BLAKE2B b83d6b92549e87765c796223119d688e268b6f078644ba3086f3a80766a5aeb4d781dbcd9649d945b31a72a9c8486de9555c7bd42fcbd990d83c5f9c3cc383b6 SHA512 f9f13c007433269b8a5a1ec520149eb10d14845126829fdf849539f182fb75d31eb8da667fe932b5b985fcae7e802d52e308b64b62d1dae9c7e179b16dc6339c
diff --git a/dev-lang/ispc/ispc-1.29.0.ebuild b/dev-lang/ispc/ispc-1.29.0.ebuild
new file mode 100644
index 000000000000..15ad86546076
--- /dev/null
+++ b/dev-lang/ispc/ispc-1.29.0.ebuild
@@ -0,0 +1,97 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+LLVM_COMPAT=( {18..21} )
+PYTHON_COMPAT=( python3_{11..14} )
+
+inherit cmake dot-a llvm-r1 multiprocessing python-any-r1 toolchain-funcs
+
+DESCRIPTION="Intel SPMD Program Compiler"
+HOMEPAGE="
+	https://ispc.github.io/
+	https://github.com/ispc/ispc/
+"
+SRC_URI="
+	https://github.com/ispc/ispc/archive/v${PV}.tar.gz
+		-> ${P}.gh.tar.gz
+"
+
+LICENSE="BSD BSD-2 UoI-NCSA"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc64 ~x86"
+IUSE="examples gpu openmp test"
+RESTRICT="!test? ( test )"
+
+DEPEND="
+	$(llvm_gen_dep '
+		llvm-core/clang:${LLVM_SLOT}
+	')
+	sys-libs/ncurses:=
+	gpu? ( dev-libs/level-zero:= )
+	!openmp? ( dev-cpp/tbb:= )
+"
+RDEPEND="
+	${DEPEND}
+"
+BDEPEND="
+	app-alternatives/yacc
+	app-alternatives/lex
+	${PYTHON_DEPS}
+"
+
+pkg_pretend() {
+	[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp
+}
+
+pkg_setup() {
+	[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp
+	llvm-r1_pkg_setup
+	python-any-r1_pkg_setup
+}
+
+src_prepare() {
+	# do not require bundled gtest
+	mkdir -p ispcrt/tests/vendor/google/googletest || die
+	cat > ispcrt/tests/vendor/google/googletest/CMakeLists.txt <<-EOF || die
+		find_package(GTest)
+	EOF
+	# remove hacks that break unbundling
+	sed -i -e '/gmock/d' -e '/install/,$d' ispcrt/tests/CMakeLists.txt || die
+
+	cmake_src_prepare
+}
+
+src_configure() {
+	lto-guarantee-fat
+	local mycmakeargs=(
+		-DARM_ENABLED=$(usex arm)
+		-DCMAKE_SKIP_RPATH=ON
+		-DISPC_INCLUDE_EXAMPLES=OFF
+		-DISPC_INCLUDE_TESTS=$(usex test)
+		-DISPC_INCLUDE_UTILS=OFF
+		-DISPCRT_BUILD_GPU=$(usex gpu)
+		-DISPCRT_BUILD_TASK_MODEL=$(usex openmp OpenMP TBB)
+		# prevent it from trying to find the git repo
+		-DGIT_BINARY=GIT_BINARY-NOTFOUND
+	)
+	cmake_src_configure
+}
+
+src_test() {
+	# Inject path to prevent using system ispc
+	local -x PATH="${BUILD_DIR}/bin:${PATH}"
+	"${EPYTHON}" ./scripts/run_tests.py "-j$(makeopts_jobs)" -v ||
+		die "Testing failed under ${EPYTHON}"
+}
+
+src_install() {
+	cmake_src_install
+	strip-lto-bytecode
+
+	if use examples; then
+		docompress -x /usr/share/doc/${PF}/examples
+		dodoc -r examples
+	fi
+}