2 files changed, 125 insertions, 0 deletions
diff --git a/dev-ml/llvm-ocaml/Manifest b/dev-ml/llvm-ocaml/Manifest
index 3b45de6a465d..1e33a4201860 100644
--- a/dev-ml/llvm-ocaml/Manifest
+++ b/dev-ml/llvm-ocaml/Manifest
@@ -2,3 +2,4 @@ DIST llvmorg-10.0.1.tar.gz 120880730 BLAKE2B 30f19f56c4d1f6abcda5fec76256219d1e3
 DIST llvmorg-11.1.0.tar.gz 122776532 BLAKE2B ca842ff4afff8f44c82b5e7383962a9c45ca1c93b64fa4c6ebcd70a1d3849dbad2b8e4e24fba02d144c6266d7fab3607ebc6999b28c229cb35256cf40f26a985 SHA512 9a8ce022a935eed42fa71a224f2a207122aadcbef58ee855fdb4825f879e7d028e4dcff22c19b9d336db1c8bf63fb84372d44981acf84615f757e54306c92b81
 DIST llvmorg-12.0.1.tar.gz 134259748 BLAKE2B f41de787bc73ff2edfda1b22cc8602be6f65f37dd9e4c8888533cfa8c3ccdcf4f108aaab9de23ab0ab987966eb160f2a553a0bdff99461e71ddd5bfcd086090d SHA512 6eb0dc18e2c25935fabfdfc48b0114be0939158dfdef7b85b395fe2e71042672446af0e68750aae003c9847d10d1f63316fe95d3df738d18f249174292b1b9e1
 DIST llvmorg-13.0.0-rc2.tar.gz 147267736 BLAKE2B 153bf7320f2aa911112d366ffc79f7110cb04f135c2a8b176c263f0a75eb768206d9bd462893d45504b0e58aa9e127fdcafb02300eab1666e4616aa654d457dd SHA512 a01baf3eaa02f02af42bfcf6dcf24f166351bf1c09601495617c81e41def23210573bad40a344270f40c5deb881d06863536abac2a6481930766a6a56335fb44
+DIST llvmorg-13.0.0-rc3.tar.gz 147281901 BLAKE2B 640065a2f32dc48edf084d776cb6b950fae86c2a204999e2eec67f93b57615df40adec19785099b0ef2fe11837c3304794ec3585289a5b5051a557618c63c749 SHA512 1401d5a4d6bb5c930d74b9cfbc8e792872f721aab7d7f0c819e2ba5cf47fb818d160c1f71784fba69827f3c9b7414aa91a585d2b813c1851b4799f9d62cebc46
diff --git a/dev-ml/llvm-ocaml/llvm-ocaml-13.0.0_rc3.ebuild b/dev-ml/llvm-ocaml/llvm-ocaml-13.0.0_rc3.ebuild
new file mode 100644
index 000000000000..d082ba50ed27
--- /dev/null
+++ b/dev-ml/llvm-ocaml/llvm-ocaml-13.0.0_rc3.ebuild
@@ -0,0 +1,124 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{8..10} )
+inherit cmake llvm llvm.org python-any-r1
+
+DESCRIPTION="OCaml bindings for LLVM"
+HOMEPAGE="https://llvm.org/"
+
+# Keep in sync with sys-devel/llvm
+ALL_LLVM_EXPERIMENTAL_TARGETS=( ARC CSKY M68k VE )
+ALL_LLVM_TARGETS=( AArch64 AMDGPU ARM AVR BPF Hexagon Lanai Mips MSP430
+	NVPTX PowerPC RISCV Sparc SystemZ WebAssembly X86 XCore
+	"${ALL_LLVM_EXPERIMENTAL_TARGETS[@]}" )
+ALL_LLVM_TARGETS=( "${ALL_LLVM_TARGETS[@]/#/llvm_targets_}" )
+
+LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA"
+SLOT="0/${PV}"
+KEYWORDS=""
+IUSE="debug test ${ALL_LLVM_TARGETS[*]}"
+REQUIRED_USE="|| ( ${ALL_LLVM_TARGETS[*]} )"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	>=dev-lang/ocaml-4.00.0:0=
+	dev-ml/ocaml-ctypes:=
+	~sys-devel/llvm-${PV}:=[debug?]
+	!sys-devel/llvm[ocaml(-)]"
+for x in "${ALL_LLVM_TARGETS[@]}"; do
+	RDEPEND+="
+		${x}? ( ~sys-devel/llvm-${PV}[${x}] )"
+done
+unset x
+
+DEPEND="${RDEPEND}"
+BDEPEND="
+	dev-lang/perl
+	dev-ml/findlib
+	>=dev-util/cmake-3.16
+	test? ( dev-ml/ounit2 )
+	${PYTHON_DEPS}"
+
+LLVM_COMPONENTS=( llvm )
+llvm.org_set_globals
+
+pkg_setup() {
+	LLVM_MAX_SLOT=${PV%%.*} llvm_pkg_setup
+	python-any-r1_pkg_setup
+}
+
+src_configure() {
+	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="${PYTHON}"
+
+		# disable go bindings
+		-DGO_EXECUTABLE=GO_EXECUTABLE-NOTFOUND
+
+		# TODO: ocamldoc
+	)
+
+	use test && mycmakeargs+=(
+		-DLLVM_LIT_ARGS="$(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
+}