commit:     fbf3e55149d56e9d72bd155b56c1c16623c41ff7
Author:     Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Sun Feb  2 15:58:45 2025 +0000
Commit:     Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Sun Feb  2 18:25:03 2025 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=fbf3e551

llvm-core/clang: Add 20.1.0_rc1

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

 llvm-core/clang/Manifest                |   2 +
 llvm-core/clang/clang-20.1.0_rc1.ebuild | 464 ++++++++++++++++++++++++++++++++
 2 files changed, 466 insertions(+)

diff --git a/llvm-core/clang/Manifest b/llvm-core/clang/Manifest
index 34710fbc844c..f2b7f23a295d 100644
--- a/llvm-core/clang/Manifest
+++ b/llvm-core/clang/Manifest
@@ -20,4 +20,6 @@ DIST llvm-project-19.1.4.src.tar.xz.sig 438 BLAKE2B 
b0925bdb761046d69779e0b035e2
 DIST llvm-project-19.1.7.src.tar.xz 141249332 BLAKE2B 
1259ed7f9aca7b35e89d818befdee20fd8bed4d2dc2c2c6f6f56451fd43d35ac03a0a5a406e142d22b25137999dc5b17471c196f8fcf79f20a8296832d900f6d
 SHA512 
c7d63286d662707a9cd54758c9e3aaf52794a91900c484c4a6efa62d90bc719d5e7a345e4192feeb0c9fd11c82570d64677c781e5be1d645556b6aa018e47ec8
 DIST llvm-project-19.1.7.src.tar.xz.sig 438 BLAKE2B 
4015140f4ba77de45039bdbdfbaf6f30e75705123d067ea97175d91d7a5b6a75008df01d99ae7aa16aaa3b101f3f41e38d01f04158f95a261d617b3ede0254cd
 SHA512 
195797b06ac80a742e0ccbc03a50dc06dd2e04377d783d5474e3e72c5a75203b60292b047929312a411d22b137a239943fba414a4d136a2be14cbff978eb6bda
 DIST llvm-project-1f26ac10ca1bef40a80be8f81a6f109713bc586f.tar.gz 226424755 
BLAKE2B 
642befb8d6923f335d1d68129ebb7357f8ba22e110df494dd956c8097e4e5db4b2a88fcc069ab67184b03558f072c68e002bdaf90eba865e38b1473a0ef29eed
 SHA512 
e9bb4fd31bbad5ec864c662515b5ec2e5511cce975040f9f3cd8f009c92f76077928feae0467fd9519a001a379c857f7539c506953d8d5a9209a9f358f414aac
+DIST llvm-project-20.1.0-rc1.src.tar.xz 147144668 BLAKE2B 
ea4733962f38ea5897c73e91840818921739909c3671749bc8a0b1d2798e5a0815bbe750ade3a2a7414836ab7158754818b2f9370a4ee1bbbd52c96b1e95ef9b
 SHA512 
c23c4b1227b6b0b7c3059358e64a00ee98893236bb1a0a41d7e821bdf2aa8353aea8f9f7b9498899c6807b9b8e2ceb06c3cd62e32fd07a786a319135055541b4
+DIST llvm-project-20.1.0-rc1.src.tar.xz.sig 566 BLAKE2B 
32eb278ec4ff1bb9d258b584922b0d227f4126a957ba75af44dcaa63b6a12ef73db56d6a86f24244af47803ddf6a243149d784f08137cbea60b49700be537705
 SHA512 
d7a334326201f8ca78284b33c325f180538667a0401bc30931e790aacc96dd78f6559c45929b6c335d40ef1dbe772738c0ce55d881ae3d7401733778b485408c
 DIST llvm-project-bfa7edcc6652bdb37d53e0cec64926aab3f280eb.tar.gz 226735989 
BLAKE2B 
165837dc526e618b44c49d5fa3dceda373452e010a09746bff248903fe77874637d05ab9f5d2f63de7ebce5c14e3b19a131313a4a557adfd20fe9cb93ab60476
 SHA512 
e9e19176fcf1302727ee34d69eaa820b94959d64ceaf754d8a93ebd5e262cec7fe35e87b08f705b09e42c3ea26b671318eecf10e9137c635b12f481f80fbac23

diff --git a/llvm-core/clang/clang-20.1.0_rc1.ebuild 
b/llvm-core/clang/clang-20.1.0_rc1.ebuild
new file mode 100644
index 000000000000..67e6515db8b5
--- /dev/null
+++ b/llvm-core/clang/clang-20.1.0_rc1.ebuild
@@ -0,0 +1,464 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..13} )
+
+inherit cmake llvm.org multilib multilib-minimal
+inherit prefix python-single-r1 toolchain-funcs
+
+DESCRIPTION="C language family frontend for LLVM"
+HOMEPAGE="https://llvm.org/";
+
+# MSVCSetupApi.h: MIT
+# sorttable.js: MIT
+
+LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA MIT"
+SLOT="${LLVM_MAJOR}/${LLVM_SOABI}"
+IUSE="+debug doc +extra ieee-long-double +pie +static-analyzer test xml"
+REQUIRED_USE="${PYTHON_REQUIRED_USE}"
+RESTRICT="!test? ( test )"
+
+DEPEND="
+       ~llvm-core/llvm-${PV}:${LLVM_MAJOR}=[debug=,${MULTILIB_USEDEP}]
+       static-analyzer? ( dev-lang/perl:* )
+       xml? ( dev-libs/libxml2:2=[${MULTILIB_USEDEP}] )
+"
+
+RDEPEND="
+       ${PYTHON_DEPS}
+       ${DEPEND}
+       >=llvm-core/clang-common-${PV}
+"
+BDEPEND="
+       ${PYTHON_DEPS}
+       test? ( ~llvm-core/lld-${PV} )
+       xml? ( virtual/pkgconfig )
+"
+PDEPEND="
+       ~llvm-core/clang-runtime-${PV}
+       llvm-core/clang-toolchain-symlinks:${LLVM_MAJOR}
+"
+
+LLVM_COMPONENTS=(
+       clang clang-tools-extra cmake
+)
+LLVM_MANPAGES=1
+LLVM_TEST_COMPONENTS=(
+       llvm/utils
+)
+LLVM_USE_TARGETS=llvm
+llvm.org_set_globals
+
+[[ -n ${LLVM_MANPAGE_DIST} ]] && BDEPEND+=" doc? ( "
+BDEPEND+="
+       $(python_gen_cond_dep '
+               dev-python/myst-parser[${PYTHON_USEDEP}]
+               dev-python/sphinx[${PYTHON_USEDEP}]
+       ')
+"
+[[ -n ${LLVM_MANPAGE_DIST} ]] && BDEPEND+=" ) "
+
+# Multilib notes:
+# 1. ABI_* flags control ABIs libclang* is built for only.
+# 2. clang is always capable of compiling code for all ABIs for enabled
+#    target. However, you will need appropriate crt* files (installed
+#    e.g. by sys-devel/gcc and sys-libs/glibc).
+# 3. ${CHOST}-clang wrappers are always installed for all ABIs included
+#    in the current profile (i.e. alike supported by sys-devel/gcc).
+#
+# Therefore: use llvm-core/clang[${MULTILIB_USEDEP}] only if you need
+# multilib clang* libraries (not runtime, not wrappers).
+
+src_prepare() {
+       # create extra parent dir for relative CLANG_RESOURCE_DIR access
+       mkdir -p x/y || die
+       BUILD_DIR=${WORKDIR}/x/y/clang
+
+       llvm.org_src_prepare
+
+       # add Gentoo Portage Prefix for Darwin (see prefix-dirs.patch)
+       eprefixify \
+               lib/Lex/InitHeaderSearch.cpp \
+               lib/Driver/ToolChains/Darwin.cpp || die
+
+       if ! use prefix-guest && [[ -n ${EPREFIX} ]]; then
+               sed -i "/LibDir.*Loader/s@return \"\/\"@return 
\"${EPREFIX}/\"@" lib/Driver/ToolChains/Linux.cpp || die
+       fi
+}
+
+check_distribution_components() {
+       if [[ ${CMAKE_MAKEFILE_GENERATOR} == ninja ]]; then
+               local all_targets=() my_targets=() l
+               cd "${BUILD_DIR}" || die
+
+               while read -r l; do
+                       if [[ ${l} == install-*-stripped:* ]]; then
+                               l=${l#install-}
+                               l=${l%%-stripped*}
+
+                               case ${l} in
+                                       # meta-targets
+                                       clang-libraries|distribution)
+                                               continue
+                                               ;;
+                                       # tools
+                                       clang|clangd|clang-*)
+                                               ;;
+                                       # static libraries
+                                       clang*|findAllSymbols)
+                                               continue
+                                               ;;
+                                       # conditional to USE=doc
+                                       docs-clang-html|docs-clang-tools-html)
+                                               use doc || continue
+                                               ;;
+                               esac
+
+                               all_targets+=( "${l}" )
+                       fi
+               done < <(${NINJA} -t targets all)
+
+               while read -r l; do
+                       my_targets+=( "${l}" )
+               done < <(get_distribution_components $"\n")
+
+               local add=() remove=()
+               for l in "${all_targets[@]}"; do
+                       if ! has "${l}" "${my_targets[@]}"; then
+                               add+=( "${l}" )
+                       fi
+               done
+               for l in "${my_targets[@]}"; do
+                       if ! has "${l}" "${all_targets[@]}"; then
+                               remove+=( "${l}" )
+                       fi
+               done
+
+               if [[ ${#add[@]} -gt 0 || ${#remove[@]} -gt 0 ]]; then
+                       eerror "get_distribution_components() is outdated!"
+                       eerror "   Add: ${add[*]}"
+                       eerror "Remove: ${remove[*]}"
+                       die "Update get_distribution_components()!"
+               fi
+               cd - >/dev/null || die
+       fi
+}
+
+get_distribution_components() {
+       local sep=${1-;}
+
+       local out=(
+               # common stuff
+               clang-cmake-exports
+               clang-headers
+               clang-resource-headers
+               libclang-headers
+
+               aarch64-resource-headers
+               arm-common-resource-headers
+               arm-resource-headers
+               core-resource-headers
+               cuda-resource-headers
+               hexagon-resource-headers
+               hip-resource-headers
+               hlsl-resource-headers
+               mips-resource-headers
+               opencl-resource-headers
+               openmp-resource-headers
+               ppc-htm-resource-headers
+               ppc-resource-headers
+               riscv-resource-headers
+               systemz-resource-headers
+               utility-resource-headers
+               ve-resource-headers
+               webassembly-resource-headers
+               windows-resource-headers
+               x86-resource-headers
+
+               # libs
+               clang-cpp
+               libclang
+       )
+
+       if multilib_is_native_abi; then
+               out+=(
+                       # common stuff
+                       bash-autocomplete
+                       libclang-python-bindings
+
+                       # tools
+                       amdgpu-arch
+                       c-index-test
+                       clang
+                       clang-format
+                       clang-installapi
+                       clang-linker-wrapper
+                       clang-nvlink-wrapper
+                       clang-offload-bundler
+                       clang-offload-packager
+                       clang-refactor
+                       clang-repl
+                       clang-scan-deps
+                       clang-sycl-linker
+                       diagtool
+                       hmaptool
+                       nvptx-arch
+
+                       # needed for cross-compiling Clang
+                       clang-tblgen
+               )
+
+               if use extra; then
+                       out+=(
+                               # extra tools
+                               clang-apply-replacements
+                               clang-change-namespace
+                               clang-doc
+                               clang-include-cleaner
+                               clang-include-fixer
+                               clang-move
+                               clang-query
+                               clang-reorder-fields
+                               clang-tidy
+                               clang-tidy-headers
+                               clangd
+                               find-all-symbols
+                               modularize
+                               pp-trace
+                       )
+               fi
+
+               if llvm_are_manpages_built; then
+                       out+=( docs-clang-man )
+                       use extra && out+=( docs-clang-tools-man )
+               fi
+
+               if use doc; then
+                       out+=( docs-clang-html )
+                       use extra && out+=( docs-clang-tools-html )
+               fi
+
+               use static-analyzer && out+=(
+                       clang-check
+                       clang-extdef-mapping
+                       scan-build
+                       scan-build-py
+                       scan-view
+               )
+       fi
+
+       printf "%s${sep}" "${out[@]}"
+}
+
+multilib_src_configure() {
+       local mycmakeargs=(
+               -DDEFAULT_SYSROOT=$(usex prefix-guest "" "${EPREFIX}")
+               -DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}"
+               
-DCMAKE_INSTALL_MANDIR="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/share/man"
+               -DLLVM_ROOT="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}"
+               -DCLANG_CONFIG_FILE_SYSTEM_DIR="${EPREFIX}/etc/clang"
+               -DCLANG_CONFIG_FILE_USER_DIR="~/.config/clang"
+               # relative to bindir
+               -DCLANG_RESOURCE_DIR="../../../../lib/clang/${LLVM_MAJOR}"
+
+               -DBUILD_SHARED_LIBS=OFF
+               -DCLANG_LINK_CLANG_DYLIB=ON
+               -DLLVM_DISTRIBUTION_COMPONENTS=$(get_distribution_components)
+               -DCLANG_INCLUDE_TESTS=$(usex test)
+
+               -DLLVM_TARGETS_TO_BUILD="${LLVM_TARGETS// /;}"
+
+               # these are not propagated reliably, so redefine them
+               -DLLVM_ENABLE_EH=ON
+               -DLLVM_ENABLE_RTTI=ON
+
+               # libgomp support fails to find headers without explicit -I
+               # furthermore, it provides only syntax checking
+               -DCLANG_DEFAULT_OPENMP_RUNTIME=libomp
+
+               -DCLANG_DEFAULT_PIE_ON_LINUX=$(usex pie)
+
+               -DCLANG_ENABLE_LIBXML2=$(usex xml)
+               -DCLANG_ENABLE_ARCMT=$(usex static-analyzer)
+               -DCLANG_ENABLE_STATIC_ANALYZER=$(usex static-analyzer)
+               # TODO: CLANG_ENABLE_HLSL?
+
+               -DPython3_EXECUTABLE="${PYTHON}"
+       )
+
+       if ! use elibc_musl; then
+               mycmakeargs+=(
+                       -DPPC_LINUX_DEFAULT_IEEELONGDOUBLE=$(usex 
ieee-long-double)
+               )
+       fi
+
+       use test && mycmakeargs+=(
+               -DLLVM_BUILD_TESTS=ON
+               -DLLVM_LIT_ARGS="$(get_lit_flags)"
+       )
+
+       if multilib_is_native_abi; then
+               local build_docs=OFF
+               if llvm_are_manpages_built; then
+                       build_docs=ON
+                       mycmakeargs+=(
+                               -DLLVM_BUILD_DOCS=ON
+                               -DLLVM_ENABLE_SPHINX=ON
+                               
-DCLANG_INSTALL_SPHINX_HTML_DIR="${EPREFIX}/usr/share/doc/${PF}/html"
+                               -DSPHINX_WARNINGS_AS_ERRORS=OFF
+                       )
+                       if use extra; then
+                               mycmakeargs+=(
+                                       
-DCLANG-TOOLS_INSTALL_SPHINX_HTML_DIR="${EPREFIX}/usr/share/doc/${PF}/tools-extra"
+                               )
+                       fi
+               fi
+               mycmakeargs+=(
+                       -DCLANG_INCLUDE_DOCS=${build_docs}
+               )
+       fi
+       if multilib_native_use extra; then
+               mycmakeargs+=(
+                       
-DLLVM_EXTERNAL_CLANG_TOOLS_EXTRA_SOURCE_DIR="${WORKDIR}"/clang-tools-extra
+                       -DCLANG_TOOLS_EXTRA_INCLUDE_DOCS=${build_docs}
+               )
+       else
+               mycmakeargs+=(
+                       -DLLVM_TOOL_CLANG_TOOLS_EXTRA_BUILD=OFF
+               )
+       fi
+
+       if tc-is-cross-compiler; then
+               has_version -b llvm-core/clang:${LLVM_MAJOR} ||
+                       die "llvm-core/clang:${LLVM_MAJOR} is required on the 
build host."
+               local tools_bin=${BROOT}/usr/lib/llvm/${LLVM_MAJOR}/bin
+               mycmakeargs+=(
+                       -DLLVM_TOOLS_BINARY_DIR="${tools_bin}"
+                       -DCLANG_TABLEGEN="${tools_bin}"/clang-tblgen
+               )
+       fi
+
+       # LLVM can have very high memory consumption while linking,
+       # exhausting the limit on 32-bit linker executable
+       use x86 && local -x LDFLAGS="${LDFLAGS} -Wl,--no-keep-memory"
+
+       # LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844
+       use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG"
+       cmake_src_configure
+
+       multilib_is_native_abi && check_distribution_components
+}
+
+multilib_src_compile() {
+       cmake_build distribution
+}
+
+multilib_src_test() {
+       # respect TMPDIR!
+       local -x LIT_PRESERVES_TMP=1
+       local test_targets=( check-clang )
+       if multilib_native_use extra; then
+               test_targets+=(
+                       check-clang-tools
+                       check-clangd
+               )
+       fi
+       cmake_build "${test_targets[@]}"
+}
+
+src_install() {
+       MULTILIB_WRAPPED_HEADERS=(
+               /usr/include/clang/Config/config.h
+       )
+
+       multilib-minimal_src_install
+
+       # Move runtime headers to /usr/lib/clang, where they belong
+       mv "${ED}"/usr/include/clangrt "${ED}"/usr/lib/clang || die
+       # move (remaining) wrapped headers back
+       if use extra; then
+               mv "${T}"/clang-tidy "${ED}"/usr/include/ || die
+       fi
+       mv "${ED}"/usr/include "${ED}"/usr/lib/llvm/${LLVM_MAJOR}/include || die
+
+       # Apply CHOST and version suffix to clang tools
+       local clang_tools=( clang clang++ clang-cl clang-cpp )
+       local abi i
+
+       # cmake gives us:
+       # - clang-X
+       # - clang -> clang-X
+       # - clang++, clang-cl, clang-cpp -> clang
+       # we want to have:
+       # - clang-X
+       # - clang++-X, clang-cl-X, clang-cpp-X -> clang-X
+       # - clang, clang++, clang-cl, clang-cpp -> clang*-X
+       # also in CHOST variant
+       for i in "${clang_tools[@]:1}"; do
+               rm "${ED}/usr/lib/llvm/${LLVM_MAJOR}/bin/${i}" || die
+               dosym "clang-${LLVM_MAJOR}" 
"/usr/lib/llvm/${LLVM_MAJOR}/bin/${i}-${LLVM_MAJOR}"
+               dosym "${i}-${LLVM_MAJOR}" 
"/usr/lib/llvm/${LLVM_MAJOR}/bin/${i}"
+       done
+
+       # now create target symlinks for all supported ABIs
+       for abi in $(get_all_abis); do
+               local abi_chost=$(get_abi_CHOST "${abi}")
+               for i in "${clang_tools[@]}"; do
+                       dosym "${i}-${LLVM_MAJOR}" \
+                               
"/usr/lib/llvm/${LLVM_MAJOR}/bin/${abi_chost}-${i}-${LLVM_MAJOR}"
+                       dosym "${abi_chost}-${i}-${LLVM_MAJOR}" \
+                               
"/usr/lib/llvm/${LLVM_MAJOR}/bin/${abi_chost}-${i}"
+               done
+       done
+}
+
+multilib_src_install() {
+       DESTDIR=${D} cmake_build install-distribution
+
+       # move headers to /usr/include for wrapping & ABI mismatch checks
+       # (also drop the version suffix from runtime headers)
+       rm -rf "${ED}"/usr/include || die
+       mv "${ED}"/usr/lib/llvm/${LLVM_MAJOR}/include "${ED}"/usr/include || die
+       mv "${ED}"/usr/lib/clang "${ED}"/usr/include/clangrt || die
+       if multilib_native_use extra; then
+               # don't wrap clang-tidy headers, the list is too long
+               # (they're fine for non-native ABI but enabling the targets is 
problematic)
+               mv "${ED}"/usr/include/clang-tidy "${T}/" || die
+       fi
+}
+
+multilib_src_install_all() {
+       python_fix_shebang "${ED}"
+       if use static-analyzer; then
+               python_optimize 
"${ED}"/usr/lib/llvm/${LLVM_MAJOR}/share/scan-view
+       fi
+
+       docompress "/usr/lib/llvm/${LLVM_MAJOR}/share/man"
+       llvm_install_manpages
+       # match 'html' non-compression
+       use doc && docompress -x "/usr/share/doc/${PF}/tools-extra"
+       # +x for some reason; TODO: investigate
+       use static-analyzer && fperms a-x 
"/usr/lib/llvm/${LLVM_MAJOR}/share/man/man1/scan-build.1"
+}
+
+pkg_postinst() {
+       if [[ -z ${ROOT} && -f 
${EPREFIX}/usr/share/eselect/modules/compiler-shadow.eselect ]] ; then
+               eselect compiler-shadow update all
+       fi
+
+       elog "You can find additional utility scripts in:"
+       elog "  ${EROOT}/usr/lib/llvm/${LLVM_MAJOR}/share/clang"
+       if use extra; then
+               elog "Some of them are vim integration scripts (with 
instructions inside)."
+               elog "The run-clang-tidy.py script requires the following 
additional package:"
+               elog "  dev-python/pyyaml"
+       fi
+}
+
+pkg_postrm() {
+       if [[ -z ${ROOT} && -f 
${EPREFIX}/usr/share/eselect/modules/compiler-shadow.eselect ]] ; then
+               eselect compiler-shadow clean all
+       fi
+}

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