dev-ml/llvm: Add 23.1.0_pre20260724

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

dev-ml/llvm/Manifest

@@ -12,4 +12,5 @@ DIST llvm-project-21.1.8.src.tar.xz.sig 119 BLAKE2B cffc1825f5778a3e3c128ec3e856
 DIST llvm-project-22.1.8.src.tar.xz 167061596 BLAKE2B 092204f62e0f0364a041c737eb2c25fd073cb5689663d6ccd5a9e4e1743d6d80822360d59b64bff7b4d7872a68a79e899bf2f75f384e55c7d313a79243576f03 SHA512 2615b20ba08534f83ab8ecc7b5ba43b5f1dfcf9cdb2534a32fcdbf0ccdd9a008b46276e45ef26ed9377f65b5e4ae89ea798f3863fd034484b5715140f3a7b35c
 DIST llvm-project-22.1.8.src.tar.xz.sig 119 BLAKE2B 2ce93472036e68782252991e4a8bdbeeec8706a56022220083a38a42ef18714a7894c41aaa04dc0d03f18601d8bfc1a5a030ed0ef0f0d64a662eae9843a4b362 SHA512 99a457b5b1fb409a5fe72b59ebd4ddae5cade3e5f2493e33b44d4f4b4625f7a1743f80106efb1134668842b15ea3400ce2c29263bec8ff986e05040910125e15
 DIST llvm-project-43ccdbc84774da0ae4cb5131f2245a9633d977b9.tar.gz 276747748 BLAKE2B 874e5d95e8f3a8401ec989f093095be6203fa77c9729ef66981a13cbff91e6937a9925257f051650c820ea82f6ab8c03884a5a3599e2b450bed11b95c54cc440 SHA512 a84e2f97abc92bdf4da8a00cc89f22d28adef44b316f02992708ee2ebb78f0d4ce38254389a1408caa4b0846134af47ca4bccbfe987f014fefe439495bed3848
+DIST llvm-project-bb9934d4dfef9033ded36d26827dbb6d3ac1dd92.tar.gz 277566365 BLAKE2B 401320655d19b3d430d15a48e2daf1f00567ef87fd2d1f86c3d505a1b2f5920db6cbfa620bf1b0561cd318d6046830d5b19fe0e7b58647863372c6c96526526c SHA512 354b901ca80227abe6b0514eeba437f237ea2658dd1927bb6e1d3b0b298bdb0dfdb7855c0f359eea4977dd344f6d0f6d1ce486ea0100d4a5615a9139ef198fca
 DIST llvm-project-ce6af707aac85db6e176ad0faa3bfe608e1a68f5.tar.gz 277486383 BLAKE2B 03b4df53f1605e4cbe2a8b23a875b78f1336c5b0212d5e9591bf8f898abf0d947f8ff4551b2c9c0044fa18da1dd98e4ded4fe6ce7cb56df17e6cf9c1912afafe SHA512 5be1db6b9cabeed3b7db4c94c7dc06b5fac0dd5f4225a8dd06792494a0ca1dce45959b03e342edf2bce076fd19de81aa6f1451eda09047532e61546cf1f8d283

dev-ml/llvm/llvm-23.1.0_pre20260724.ebuild

@@ -0,0 +1,107 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{11..14} )
+inherit cmake llvm.org llvm-utils python-any-r1
+
+DESCRIPTION="OCaml bindings for LLVM"
+HOMEPAGE="https://llvm.org/"
+
+LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA"
+SLOT="0/${PV}"
+IUSE="+debug test"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	>=dev-lang/ocaml-4.00.0:0=
+	dev-ml/ocaml-ctypes:=
+	~llvm-core/llvm-${PV}:=[debug?]
+	!llvm-core/llvm[ocaml(-)]
+"
+
+DEPEND="
+	${RDEPEND}
+"
+BDEPEND="
+	${PYTHON_DEPS}
+	dev-lang/perl
+	dev-ml/findlib
+"
+
+LLVM_COMPONENTS=( llvm cmake libc third-party )
+LLVM_USE_TARGETS=llvm
+llvm.org_set_globals
+
+src_configure() {
+	llvm_prepend_path "${LLVM_MAJOR}"
+
+	local libdir=$(get_libdir)
+	local mycmakeargs=(
+		-DLLVM_LIBDIR_SUFFIX=${libdir#lib}
+
+		-DBUILD_SHARED_LIBS=OFF
+		-DLLVM_BUILD_LLVM_DYLIB=ON
+		-DLLVM_LINK_LLVM_DYLIB=ON
+		-DLLVM_OCAML_OUT_OF_TREE=ON
+
+		# cheap hack: LLVM combines both anyway, and the only difference
+		# is that the former list is explicitly verified at cmake time
+		-DLLVM_TARGETS_TO_BUILD=""
+		-DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD="${LLVM_TARGETS// /;}"
+		-DLLVM_BUILD_TESTS=$(usex test)
+
+		# disable various irrelevant deps and settings
+		-DLLVM_ENABLE_FFI=OFF
+		-DLLVM_ENABLE_TERMINFO=OFF
+		-DHAVE_HISTEDIT_H=NO
+		-DLLVM_ENABLE_ASSERTIONS=$(usex debug)
+		-DLLVM_ENABLE_EH=ON
+		-DLLVM_ENABLE_RTTI=ON
+
+		-DLLVM_HOST_TRIPLE="${CHOST}"
+
+		-DPython3_EXECUTABLE="${PYTHON}"
+
+		# TODO: ocamldoc
+	)
+
+	use test && mycmakeargs+=(
+		-DLLVM_LIT_ARGS="$(get_lit_flags)"
+	)
+
+	# LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844
+	# also: custom rules for OCaml do not work for CPPFLAGS
+	use debug || local -x CFLAGS="${CFLAGS} -DNDEBUG"
+	cmake_src_configure
+
+	local llvm_libdir=$(llvm-config --libdir)
+	# an ugly hack; TODO: figure out a way to pass -L to ocaml...
+	cd "${BUILD_DIR}/${libdir}" || die
+	ln -s "${llvm_libdir}"/*.so . || die
+
+	if use test; then
+		local llvm_bindir=$(llvm-config --bindir)
+		# Force using system-installed tools.
+		sed -i -e "/llvm_tools_dir/s@\".*\"@\"${llvm_bindir}\"@" \
+			"${BUILD_DIR}"/test/lit.site.cfg.py || die
+	fi
+}
+
+src_compile() {
+	cmake_build ocaml_all
+}
+
+src_test() {
+	# respect TMPDIR!
+	local -x LIT_PRESERVES_TMP=1
+	cmake_build check-llvm-bindings-ocaml
+}
+
+src_install() {
+	DESTDIR="${D}" \
+	cmake -P "${BUILD_DIR}"/bindings/ocaml/cmake_install.cmake || die
+
+	dodoc bindings/ocaml/README.txt
+}