dev-ml/llvm-ocaml: Add 20.0.0_pre20240910 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 a1930a7c39a5..f76a426aa2cc 100644
--- a/dev-ml/llvm-ocaml/Manifest
+++ b/dev-ml/llvm-ocaml/Manifest
@@ -9,3 +9,4 @@ DIST llvm-project-18.1.8.src.tar.xz.sig 566 BLAKE2B 6ab0efc5b38d4483f4e32e8b8577
 DIST llvm-project-19.1.0-rc4.src.tar.xz 141255904 BLAKE2B c693dc94aeb4b59ad4a05a426037075449535c398cbc1ae9b4371d42ea0962b267a3be8af93f4fe47b21c11964fbea6e8eb662225e6f79b20bbc35e706588435 SHA512 826978a596b26040124f2ceba858f91031f78faca22f32de2eea1a4d299a849dcb1fffdfb01601adc39d733dd0cdee43b21af05159d45dcebc842f6b6b540ba8
 DIST llvm-project-19.1.0-rc4.src.tar.xz.sig 438 BLAKE2B aef02737285d2faa1b21cec1a32fff6e776ac4bb5c4fd6f26d3d1a9b9244ed1fc0a1eb786a444a6549dda8683485f67964b4d4e48393e1780e7938ee0d94348a SHA512 5b9dcbf232229fdd87824bc87d0ad4ebd54127c9288708fb3304166422d378b77a843d7c5d8258850a0de59310c24e65042d636a5314e2af8513627a43bdb6e8
 DIST llvm-project-5500e21942f7047344b6fee62d3e08c0ba2f9182.tar.gz 219148250 BLAKE2B 61880a13086c46ac9a9f8326b1e007146afb1662a0a223703fe36a91da230d5708b368f1177e76ac13c1e5a30f620c4ce6346484a0a67a0f011a816bba4d13f9 SHA512 a6d4fcae960b450be2abd2da485cea638b73290b17ceeabf560651d614f55925f86ee6f76a116262d8a1ff70ba699468cb4cf4c32015e26540ba6e47c58db1b7
+DIST llvm-project-bece0d7517bd0a036dc8a319514e4a8a5c497dee.tar.gz 218241938 BLAKE2B 7ac08a21ab2899823683dc700bd2f6226e22653f5be553fe0278868f9fa0d8946fabe6aae40f68cfd14e019b1a3795affb64bf41ebcc949394b73a90e7cd019c SHA512 8893512dcbc1171d2c91aeb0aa9e5fd424474c4d6b5215fb1a078dc8757ab2d404b55ed90709e09368e0794c8306f489be8339d5c502dd6c2ef1852e24636e85
diff --git a/dev-ml/llvm-ocaml/llvm-ocaml-20.0.0_pre20240910.ebuild b/dev-ml/llvm-ocaml/llvm-ocaml-20.0.0_pre20240910.ebuild
new file mode 100644
index 000000000000..36b3716c0372
--- /dev/null
+++ b/dev-ml/llvm-ocaml/llvm-ocaml-20.0.0_pre20240910.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
+}