llvm-core/polly: Add 24.0.0_pre20260916 snapshot

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

llvm-core/polly/Manifest

@@ -1,3 +1,4 @@
+DIST llvm-project-02bd47db9d3c4313fe1b5054ed8a1a081f1b7f78.tar.gz 317069647 BLAKE2B 02c38822ff7b312014da03ec45146cc9b24d040c2b11631023b77dd1ad3ab1ebc9d8fd1dccf35ed682a78a39726d97c04e132b6a25a6a9aa8455d7b73ff0d169 SHA512 3cd7d8088958c5bcdc20f8288452060dfade7e2f4d3350e7073678c87b97a9a74907dc89b44cf5ad272600704c5002f4b76d7988283ddfce234bc8a5b40212db
 DIST llvm-project-0bf3638ddfe6e8bb3b79ebe8c2a918384a5df612.tar.gz 278258416 BLAKE2B 85007e0dfc4d5908c2fb0863923ef86e6a6c0d4302da6cbefd97097d6c19066234ca76a06af1c404aab7c3fe85ba6d9ac08aca5343b5f24fc3727dde1de2245e SHA512 91c6bab8974b95725cb70d2e3bef5abc5358e6836fe00c6348d4a886914b424fb49e9b0a85cf67af7b3a8f0c863d33d22fe74fffc63da813d7d63e3e0e32cf85
 DIST llvm-project-20.1.8.src.tar.xz 147242952 BLAKE2B 7657ac0b26acc5affb1bfc91b912ade3191c5d77f3979d5a80d5f6ce52f56a7d1c448bd257398390bf10838f02faa6f3ece37a7327cced69d165ec2e2e699316 SHA512 f330e72e6a1da468569049437cc0ba7a41abb816ccece7367189344f7ebfef730f4788ac7af2bef0aa8a49341c15ab1d31e941ffa782f264d11fe0dc05470773
 DIST llvm-project-20.1.8.src.tar.xz.sig 566 BLAKE2B 85beedfcff1195a974fab2c667b9efd4b715b3480c1b44b1b887fe32c69f72aca0d3b8fb276c03b6cc5a866622f669047aeee5ccb976640b4008ccd31dce77a4 SHA512 d74369bdb4d1b82775161ea53c9c5f3a23ce810f4df5ff617123023f9d8ce720e7d6ecc9e17f8ebd39fd9e7a9de79560abdf2ffe73bcb907a43148d43665d619

llvm-core/polly/polly-24.0.0_pre20260916.ebuild

@@ -0,0 +1,59 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{12..14} )
+
+inherit cmake llvm.org python-any-r1
+
+DESCRIPTION="Polyhedral optimizations for LLVM"
+HOMEPAGE="https://polly.llvm.org/"
+
+LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA"
+# vendored isl (fork?)
+LICENSE+=" MIT"
+SLOT="${LLVM_MAJOR}/${LLVM_SOABI}"
+IUSE="+debug test"
+RESTRICT="!test? ( test )"
+
+DEPEND="
+	~llvm-core/llvm-${PV}:${LLVM_MAJOR}=[debug=]
+"
+RDEPEND="
+	${DEPEND}
+"
+BDEPEND="
+	test? (
+		$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]')
+	)
+"
+
+LLVM_COMPONENTS=( polly cmake )
+llvm.org_set_globals
+
+python_check_deps() {
+	python_has_version "dev-python/lit[${PYTHON_USEDEP}]"
+}
+
+pkg_setup() {
+	use test && python-any-r1_pkg_setup
+}
+
+src_configure() {
+	local mycmakeargs=(
+		-DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}"
+		-DLLVM_ROOT="${ESYSROOT}/usr/lib/llvm/${LLVM_MAJOR}"
+	)
+	use test && mycmakeargs+=(
+		-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
+		-DLLVM_LIT_ARGS="$(get_lit_flags)"
+		-DPython3_EXECUTABLE="${PYTHON}"
+	)
+	cmake_src_configure
+}
+
+src_test() {
+	local -x LIT_PRESERVES_TMP=1
+	cmake_build check-polly
+}