commit:     1a0065a777bbc003c31843cfa12ccac271076ea7
Author:     Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Sat Mar 29 10:25:37 2025 +0000
Commit:     Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Sat Mar 29 10:25:37 2025 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=1a0065a7

llvm-core/flang: Add 21.0.0_pre20250329 snapshot

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

 llvm-core/flang/Manifest                        |  1 +
 llvm-core/flang/flang-21.0.0_pre20250329.ebuild | 69 +++++++++++++++++++++++++
 2 files changed, 70 insertions(+)

diff --git a/llvm-core/flang/Manifest b/llvm-core/flang/Manifest
index 8b4d3237c46b..1fe3ff455123 100644
--- a/llvm-core/flang/Manifest
+++ b/llvm-core/flang/Manifest
@@ -1,2 +1,3 @@
 DIST llvm-project-1c3a9a853ce68c3c539e7cab21380b9d8b18f426.tar.gz 229448743 
BLAKE2B 
c1eacc2ed05c460f56cf83f16b982e3fa4ac530483d7cf003034239aff3b3dbffbdd3042a3f295a83ec94fcf32f802714e4937fd3761a5e03d4ed1b4093e81bf
 SHA512 
98b7e9fa330a6fce33ca9757caf5d2e41d0b73117cb24b2aed880274c2d6f8a8c1a0028dd0e773fa42deb61dbe3b9dd4fb2f44e50814b966fcdeae8e5b417e6d
 DIST llvm-project-1d133420dc512487e2be0e9d86755f2a7c3497a7.tar.gz 229268288 
BLAKE2B 
aca79bcca631deeab429a03cd2732d78d8ecf0c9615bce181445ed875436806609dc85a57d4f97109492833d620d060ea93fed450a4912c2d94597aeabf84974
 SHA512 
24ecadfccdf785bfbf27d5007afd2a4d5868493b2c5f48d6cf07c335bfbfef5cba4f12a639971e5f95877ae3b8c7b7fc0c210e404d21036af553de82a5059037
+DIST llvm-project-21eeca3db0341fef4ab4a6464ffe38b2eba5810c.tar.gz 229546432 
BLAKE2B 
e783f08b93498b252741a07fd3aa3383ca93f66688f9bbdb2e11185c660dfff1020ab4a1ca803ab69ab28dc2fd8b5c3855f45c0b77851b8e6edeb0dc5bf6cbd4
 SHA512 
54420956b36f3bccabea2171a4103ca20d6b136e1d1f7f217e0ec735be4542bbd840ef228c55f3e9103ad2f9fb41393e611d5aaa1521d01fdd163b770b80ba0b

diff --git a/llvm-core/flang/flang-21.0.0_pre20250329.ebuild 
b/llvm-core/flang/flang-21.0.0_pre20250329.ebuild
new file mode 100644
index 000000000000..e7da2ccc6b58
--- /dev/null
+++ b/llvm-core/flang/flang-21.0.0_pre20250329.ebuild
@@ -0,0 +1,69 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit cmake llvm.org
+
+DESCRIPTION="LLVM's Fortran frontend"
+HOMEPAGE="https://flang.llvm.org/";
+
+LICENSE="Apache-2.0-with-LLVM-exceptions"
+SLOT="${LLVM_MAJOR}/${LLVM_SOABI}"
+IUSE="+debug test"
+RESTRICT="!test? ( test )"
+
+DEPEND="
+       ~llvm-core/clang-${PV}[debug=]
+       ~llvm-core/llvm-${PV}[debug=]
+       ~llvm-core/mlir-${PV}[debug=]
+"
+RDEPEND="
+       ${DEPEND}
+"
+PDEPEND="
+       >=llvm-runtimes/flang-rt-${PV}:${LLVM_MAJOR}
+"
+BDEPEND="
+       test? (
+               dev-python/lit
+       )
+"
+
+LLVM_COMPONENTS=( flang cmake )
+LLVM_TEST_COMPONENTS=( clang/test/Driver mlir/test/lib )
+llvm.org_set_globals
+
+src_configure() {
+       local mycmakeargs=(
+               -DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}"
+
+               -DLLVM_ROOT="${ESYSROOT}/usr/lib/llvm/${LLVM_MAJOR}"
+               -DCLANG_RESOURCE_DIR="../../../clang/${LLVM_MAJOR}"
+
+               -DBUILD_SHARED_LIBS=OFF
+               -DMLIR_LINK_MLIR_DYLIB=ON
+               # flang does not feature a dylib, so do not install libraries
+               # or headers
+               -DLLVM_INSTALL_TOOLCHAIN_ONLY=ON
+               # installed by llvm-runtimes/flang-rt
+               -DFLANG_INCLUDE_RUNTIME=OFF
+
+               # TODO: always enable to obtain reproducible tools
+               -DFLANG_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
+}

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