dev-ml/llvm-ocaml: Add 20.0.0_pre20241009 snapshot

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

2 files changed, 108 insertions, 0 deletions

diff --git a/dev-ml/llvm-ocaml/Manifest b/dev-ml/llvm-ocaml/Manifest
index 313d6bb898a9..840b7c21a102 100644
--- a/dev-ml/llvm-ocaml/Manifest
+++ b/dev-ml/llvm-ocaml/Manifest
@@ -10,3 +10,4 @@ DIST llvm-project-19.1.1.src.tar.xz 141244648 BLAKE2B 7c9250f99c8e5ae2097e89269e
 DIST llvm-project-19.1.1.src.tar.xz.sig 438 BLAKE2B 6967194abf6939291abc716f862a46ea7c5e195b98eebc26928a57dbd5034f82a8ecb5b7cc1b7c2428168309308b19df1c7db828703e80d3f7bf578e3542874d SHA512 07bb7bffb2b035417d702ca47be9d5759250f1a2cd57606855027d458ceb972a293b45d3d93bcda195588986acbb5eace60524f4aecdc0da7aeb3a8414c37c31
 DIST llvm-project-b837c9e289dab93c7f8a06876e3f70b6864f40ab.tar.gz 219631219 BLAKE2B d8a5d7de537ad91e94fc85dc0f624eba92f31cab2a345706250a66ad424fff151d5b86c430d993a35fd938095774411080cee4cab47a8258af348743dc145b56 SHA512 fe23f72b73553e3755af335a2a2a2225eafdcf2ed93191c9f4ac7bcf7b5b5391f73c2dccbb082279e0c7389a8f12b889a8d061389785cf9219ca861a8d4b41cc
 DIST llvm-project-cde7b30268a85a3e7900a31534a97e7eb4de9236.tar.gz 219048549 BLAKE2B 53bdfea814b2cdf60bfdd27f6135b9f9d5156bdc78d22a361214399c5101b6fafaaefb9109377c1d977c67ebcb1feed69d6aaee0f2e38881480d68ac8be9b3d9 SHA512 0def6da5c2443753f37ba40a893b41dd5c7676b7be57102a5a6e820fe4fe235cad1da9a1c0eff1abc4c4ed5cc188522cae23afeddeee1876ea8ffde5c4f33b9f
+DIST llvm-project-fb2960aad93f6c02e0ea8de0568c0aef8896eee8.tar.gz 219704020 BLAKE2B 91f7226d7c6dcfa82c6b892ec0a80b47b5abd435c39996d8a6e0611355d434a86eb42bd5dce849dcc9a2f0ed2ae9844e5672f45283984ad10c7c12c62c82d47b SHA512 f0b56a4ab532aaf4bb841aac4e2faf63f213f3cd71d24555b46805406502805e6cc46cb0aae0fbf5f49ddec99da801ab8e54410a9bd8a7bcb0e9fb13619c30bf
diff --git a/dev-ml/llvm-ocaml/llvm-ocaml-20.0.0_pre20241009.ebuild b/dev-ml/llvm-ocaml/llvm-ocaml-20.0.0_pre20241009.ebuild
new file mode 100644
index 000000000000..36b3716c0372
--- /dev/null
+++ b/dev-ml/llvm-ocaml/llvm-ocaml-20.0.0_pre20241009.ebuild
@@ -0,0 +1,107 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..13} )
+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/${PV}"
+IUSE="+debug test"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	>=dev-lang/ocaml-4.00.0:0=
+	dev-ml/ocaml-ctypes:=
+	~sys-devel/llvm-${PV}:=[debug?]
+	!sys-devel/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
+}