dev-ml/llvm: Add 21.1.5

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

dev-ml/llvm/Manifest

@@ -12,5 +12,7 @@ DIST llvm-project-20.1.8.src.tar.xz 147242952 BLAKE2B 7657ac0b26acc5affb1bfc91b9
 DIST llvm-project-20.1.8.src.tar.xz.sig 566 BLAKE2B 85beedfcff1195a974fab2c667b9efd4b715b3480c1b44b1b887fe32c69f72aca0d3b8fb276c03b6cc5a866622f669047aeee5ccb976640b4008ccd31dce77a4 SHA512 d74369bdb4d1b82775161ea53c9c5f3a23ce810f4df5ff617123023f9d8ce720e7d6ecc9e17f8ebd39fd9e7a9de79560abdf2ffe73bcb907a43148d43665d619
 DIST llvm-project-21.1.4.src.tar.xz 158939036 BLAKE2B b87eff4e3cb881d86aafcfdb46d85344ad6ae92d5c1e72c05282f375b4b11844756d0e6b4d0da5e522a348170a5da9842917737e272b758d8dde7e1fb2bee135 SHA512 a8c0883abe7c5a3e55ca7ed0fd974fae4351184a0b0df18295a982ca8ddb0f8d167353564204ed00f0cd9a1d8baef7074c0b39a99e0b5c52ced6bbee73dde3da
 DIST llvm-project-21.1.4.src.tar.xz.sig 119 BLAKE2B c74a56448ad3e325234fcbe7d62ea888831e1e7696afb5aa5a185ea76a0880abe2d755f9e69a07760bbf9380534c3bb96c920ed6359ffd0f5f51c962d1494dcf SHA512 4812c2e3861aa3b726d842c3ca259b19ef1aa531fed9f6f47099483de91de2b2a165f40d243f6f40f2eea749741d5f8b7090f394399c56db02053f308921077a
+DIST llvm-project-21.1.5.src.tar.xz 158957032 BLAKE2B c056049214b18a17a3fd2dc86ae82121a821841002b8386b1fe35fc34f1f0faeb681f39880814e4a47f976b2744bfd2c4f1316156469c6b6a79c013d200dab30 SHA512 865ad44575c9288f06da8c48acbb60779f6c38aaf2ee85eac2002452f83892b704263f2ef51d3596abf06dccc1559f1d9dcdc89120363efd8ce1b1239ae83f6b
+DIST llvm-project-21.1.5.src.tar.xz.sig 119 BLAKE2B abf014908e981ea358ee38f6d1ef6c745ebbe51011fa7e83a514672bbad152fac92c95dd32a7b52a8d9c2a2a9ea1b44e447bb0bc5953f0f7bbd9ced34aa3c0cc SHA512 4e327c7d60525526ff3ac6ca58f1e753a57f841b88078a9bfe2a2ce91e4a5e17bcc52fd2f27f75801540610c1a56d57a3070243f13ad583e3526901b1f7be4a5
 DIST llvm-project-7631c73850bec991ec9a7c9cca58c275bb0277a4.tar.gz 253713417 BLAKE2B 0126bdf53ffb57ca0fa471c01deb4f0a9f824083c332f72e14ea7dc843cf80e7360aa0bcd8eff22f42f993db2b077c696c25232c1a9d98cfa865d98569398b55 SHA512 58488afe3eb7865f171ac5f692a8c1252bf3d049420a72e72581e5024066b2a4ba2dbfa5c9f06de799ad3e04949997e61c60ee0f89aa6a8642b6d9263c78a144
 DIST llvm-project-c1779f33bdada6e478e882cc23a647ef9abaad96.tar.gz 253250521 BLAKE2B fbd40cb52d56d5a817ff6cb469b9772af4eb358584eed1440c82864923add456961a672784838f510c390680a54c4abc7a33159848a34133f8d23b80b5feb0ef SHA512 01f8944ee6c89fd4a56caab236b302bc6b49b933c968a73edcb00ae2522b884371a05a75dec1321b0efed24e20cde4a58e1697c3c097f26ed0fbd629d8cf561c

dev-ml/llvm/llvm-21.1.5.ebuild

@@ -0,0 +1,108 @@
+# Copyright 1999-2025 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/${PV}"
+KEYWORDS="~amd64 ~arm ~x86"
+IUSE="debug test"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	>=dev-lang/ocaml-4.00.0:0=
+	dev-ml/ocaml-ctypes:=
+	~llvm-core/llvm-${PV}:=[debug?]
+	!llvm-core/llvm[ocaml(-)]
+"
+
+DEPEND="
+	${RDEPEND}
+"
+BDEPEND="
+	${PYTHON_DEPS}
+	dev-lang/perl
+	dev-ml/findlib
+"
+
+LLVM_COMPONENTS=( llvm cmake third-party )
+LLVM_USE_TARGETS=llvm
+llvm.org_set_globals
+
+src_configure() {
+	llvm_prepend_path "${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
+}