llvm-runtimes/flang-rt: Add 22.0.0_pre20251004 snapshot

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

llvm-runtimes/flang-rt/Manifest

@@ -1,3 +1,4 @@
 DIST llvm-project-21.1.2.src.tar.xz 158926856 BLAKE2B 1b5684586297ad637c6da0976854b24d746679e9d125a19e321dc28fa7f83949cc431f4b630e4976496660389e7abac09962c21e45b88dff7d0900ee1bda51d7 SHA512 f810ba8706872257715c05f80c304ceb396cf38b3a8e0bfb50e474e8d0a3417740b9afea170a7c06a33927037753a190471917e83d6740cb18bc50fd50cf4f3d
 DIST llvm-project-21.1.2.src.tar.xz.sig 566 BLAKE2B 6209caf851c681e6f63ed1bd9589ac139c104d6ee21f463aacda472e30a847c32f3bd74a04208af05bb6203d8fa31bdc0028c0e72736a3037940e75eda615415 SHA512 dd8aa57451752a9207c276117a4b8a86f41263ea3ccc4fa198cd40d6fec79acd0ba126c4b84a1acbb52bbb2bce029fbc336deac8131be94747dd04e4a0f69331
 DIST llvm-project-89ed5255b9ee88119e409a6d986eb1ad0e8f08e3.tar.gz 248431210 BLAKE2B b98dfe5ae46190a5a2460c965f0ec51d2f65a9d1d14f82afa19a10f00a2c29520c52309ee66d71efed6361aa675abcc9bd1b5e61e1c3b1aa9bac4984050c2bc2 SHA512 f860f529f4eb67f4a5875d9931accae2f48b88486dd6715a2ca2add7d5aa1541a30e323612394162e65597054d61a879a9ba94e4dbf417c3fb5f8ff069c2d924
+DIST llvm-project-b1e29ec3b73b9dd06656c7e30ace597ff72cde70.tar.gz 248630276 BLAKE2B ea1532ba05661de37f3d6bac6643f2f3000710f4c4b8c508c9b980da64964e60cd46d0b8e18d666b75089f8ad8e2f653ac6098b4054ce8adf7cb0c36220cdf29 SHA512 36471abffd9202c637aa89c53072f0f286beffad2d3908ad50bb4c395a1be0c8138ddcbd67e0c764f59842bcc6c6c31f04a14986c7145c369217a156885ac506

llvm-runtimes/flang-rt/flang-rt-22.0.0_pre20251004.ebuild

@@ -0,0 +1,73 @@
+# 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 flag-o-matic llvm.org python-any-r1
+
+DESCRIPTION="LLVM's Fortran runtime"
+HOMEPAGE="https://flang.llvm.org/"
+
+LICENSE="Apache-2.0-with-LLVM-exceptions"
+SLOT="${LLVM_MAJOR}"
+IUSE="+debug test"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	!<llvm-core/flang-21.0.0_pre20250221-r1
+"
+BDEPEND="
+	llvm-core/llvm:${LLVM_MAJOR}
+	llvm-core/flang
+	test? (
+		$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]')
+	)
+"
+
+LLVM_COMPONENTS=(
+	runtimes flang-rt cmake flang llvm/{cmake,utils/llvm-lit}
+)
+llvm.org_set_globals
+
+python_check_deps() {
+	python_has_version "dev-python/lit[${PYTHON_USEDEP}]"
+}
+
+pkg_setup() {
+	use test && python-any-r1_pkg_setup
+}
+
+src_configure() {
+	# the code is not portable
+	local -x FC=flang F77=flang
+	strip-unsupported-flags
+
+	local mycmakeargs=(
+		# we may not have a runtime yet
+		-DCMAKE_Fortran_COMPILER_WORKS=TRUE
+
+		-DLLVM_ENABLE_RUNTIMES="flang-rt"
+		# this package forces NO_DEFAULT_PATHS
+		-DLLVM_BINARY_DIR="${ESYSROOT}/usr/lib/llvm/${LLVM_MAJOR}"
+		# set correct install paths
+		-DFLANG_RT_INSTALL_RESOURCE_PATH="${EPREFIX}/usr/lib/clang/${LLVM_MAJOR}"
+		-DLLVM_DEFAULT_TARGET_TRIPLE="${CHOST}"
+
+		-DFLANG_RT_INCLUDE_TESTS=$(usex test)
+	)
+	use test && mycmakeargs+=(
+		-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
+		-DLLVM_LIT_ARGS="$(get_lit_flags)"
+	)
+
+	# LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844
+	use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG"
+	cmake_src_configure
+}
+
+src_test() {
+	# respect TMPDIR!
+	local -x LIT_PRESERVES_TMP=1
+	cmake_build check-flang-rt
+}