llvm-core/libclc: Add 23.0.0_pre20260512 snapshot

Signed-off-by: Michał Górny <mgorny@gentoo.org>

llvm-core/libclc/Manifest

@@ -13,3 +13,4 @@ DIST llvm-project-21.1.8.src.tar.xz 158958576 BLAKE2B 0d3d4ee920f8e5db50e9815261
 DIST llvm-project-21.1.8.src.tar.xz.sig 119 BLAKE2B cffc1825f5778a3e3c128ec3e856ff6ee50687319d621cdf42e895abf67e05cc51cb7493308e2b506ab60dbdbaca7aa75eb9f78d91d42c81f9682a36f4042e9d SHA512 10f58eff58ed6e701d0f123b15e68c82ab8cbdf99b1c86c0d83e3b8553e90ea51055e30327e8e442ded57c8f503e2a2de9ee075e9c28b5ba815a0f8922f8671c
 DIST llvm-project-22.1.5.src.tar.xz 167058820 BLAKE2B b0d4bc4db8d03a2201620dec0fcf5c946d86ac152c0feef4252e211eec4542e2fc849e2bafc8bcb57982959d005d70e9a7bd81296fed04f819b7de3f2fc15c43 SHA512 68de113906ec0c843a9346ecd06bff352146869f1f28b5600ff907125d77202692b6f68bd169bcd74ae5b82e0ad5548ea99c2405540abea36880d80e373744ff
 DIST llvm-project-22.1.5.src.tar.xz.sig 119 BLAKE2B c756bb5d4ebc9fc3b61115495c75574312ad287dc4bdfc8408da7dcfc781f26c5804d8a4a46af32ad809db80a154aff6cad308742e1e04ca4a93249d6f1a55b4 SHA512 36baf347f79c26705136a7d342e8ee0a8a42939bb1db2d9ce91666b1edbbb04194ff63bc41899e4498cd819e6c2bd6944ea68d972e074e113f48d08e6544c368
+DIST llvm-project-8789401c6f0b2c53ba348860c1b0c5df1fa40c8c.tar.gz 271359638 BLAKE2B 31d1c91b535f129cac4b1da7ce2e6f0765231ebe6a5b1cb83f00d56d68820cdd029f7d2fdf602148e37bc9a22d99b71e25284eab74b8d52fa87ed4636712171f SHA512 4ca908b0b5d7ae9a2b334d033d2c11b557dcc3305b9107017965ae612716beade09a0c73e1a5f5eab1c9794728558d4a981715bb9b01d5ba2c2c5c6c53d1a9b6

llvm-core/libclc/libclc-23.0.0_pre20260512.ebuild

@@ -0,0 +1,86 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+LLVM_COMPAT=( 23 )
+PYTHON_COMPAT=( python3_{11..14} )
+inherit cmake llvm.org llvm-r1 multibuild python-any-r1
+
+DESCRIPTION="OpenCL C library"
+HOMEPAGE="https://libclc.llvm.org/"
+
+LICENSE="Apache-2.0-with-LLVM-exceptions || ( MIT BSD )"
+SLOT="0"
+IUSE="+spirv test video_cards_nvidia video_cards_radeonsi"
+RESTRICT="!test? ( test )"
+
+BDEPEND="
+	${PYTHON_DEPS}
+	$(llvm_gen_dep '
+		llvm-core/clang:${LLVM_SLOT}
+	')
+	spirv? (
+		>=dev-util/spirv-llvm-translator-23:*
+	)
+	test? (
+		$(python_gen_any_dep '
+			dev-python/lit[${PYTHON_USEDEP}]
+		')
+	)
+"
+
+LLVM_COMPONENTS=( libclc )
+llvm.org_set_globals
+
+pkg_setup() {
+	llvm-r1_pkg_setup
+	python-any-r1_pkg_setup
+}
+
+src_configure() {
+	MULTIBUILD_VARIANTS=()
+
+	use spirv && MULTIBUILD_VARIANTS+=(
+		"spirv-mesa-mesa3d"
+		"spirv64-mesa-mesa3d"
+		"spirv64-unknown-vulkan"  # formerly clspv
+	)
+	use video_cards_nvidia && MULTIBUILD_VARIANTS+=(
+		"nvptx64-nvidia-cuda"
+	)
+	use video_cards_radeonsi && MULTIBUILD_VARIANTS+=(
+		"amdgcn-amd-amdhsa-llvm"
+	)
+
+	multibuild_foreach_variant my_configure
+}
+
+my_configure() {
+	local mycmakeargs=(
+		-DCMAKE_CLC_COMPILER="$(type -P clang-${LLVM_MAJOR})"
+		-DLLVM_DEFAULT_TARGET_TRIPLE="${MULTIBUILD_VARIANT}"
+		-DLLVM_INCLUDE_TESTS="$(usex test)"
+	)
+
+	use test && mycmakeargs+=(
+		-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
+		-DLLVM_LIT_ARGS="$(get_lit_flags)"
+	)
+
+	cmake_src_configure
+}
+
+src_compile() {
+	multibuild_foreach_variant cmake_src_compile
+}
+
+src_test() {
+	# respect TMPDIR!
+	local -x LIT_PRESERVES_TMP=1
+	multibuild_foreach_variant cmake_build check-libclc
+}
+
+src_install() {
+	multibuild_foreach_variant cmake_src_install
+}