# Copyright 1999-2022 Gentoo Authors # Distributed under the terms of the GNU General Public License v2 EAPI=8 inherit pax-utils readme.gentoo-r1 unpacker DESCRIPTION="An LLVM/Clang/LLD-based mingw-w64 toolchain" HOMEPAGE="https://github.com/mstorsjo/llvm-mingw" LICENSE="all-rights-reserved" SLOT="0" KEYWORDS="~amd64 ~x86" IUSE="msvcrt ucrt" RESTRICT="bindist mirror" QA_PREBUILT="/opt/llvm-mingw/${MY_PV}/*" # Map versions of llvm-mingw to system LLVM versions declare -A LLVM_VERSIONS LLVM_VERSIONS=( ["20240606"]="18.1.7" ["20240518"]="18.1.6" ["20231128"]="17.0.6" ["20230614"]="16.0.6" ) # Set my_pv based on the release date MY_PV="20231128" # Set this to the desired version date LLVM_VERSION="${LLVM_VERSIONS[${MY_PV}]}" if [[ -z "${LLVM_VERSION}" ]]; then die "Unknown MY_PV: ${MY_PV}" fi BASE_URI="https://github.com/mstorsjo/llvm-mingw/releases/download/${MY_PV}" SUFFIX="ubuntu-20.04" # Determine the correct tarball based on USE flags if use msvcrt; then FLAG="msvcrt" elif use ucrt; then FLAG="ucrt" else die "Either 'msvcrt' or 'ucrt' USE flag must be set" fi SRC_URI="amd64? ( ${BASE_URI}/llvm-mingw-${MY_PV}-${FLAG}-${SUFFIX}-x86_64.tar.xz ) arm64? ( ${BASE_URI}/llvm-mingw-${MY_PV}-${FLAG}-${SUFFIX}-aarch64.tar.xz )" DOC_URI="https://raw.githubusercontent.com/mstorsjo/llvm-mingw/master/README.md" DEPEND="" RDEPEND="${DEPEND}" src_prepare() { wget "${DOC_URI}" -P "${WORKDIR}" } src_install() { cd "${S}" # Install llvm-mingw binaries insinto "/opt/llvm-mingw/${MY_PV}" doins -r "${S}"/* # Create relative symlinks for clang mingw binaries find "${ED}/opt/llvm-mingw/${MY_PV}/bin" -type f -executable -exec ln -s "../../../../../opt/llvm-mingw/${MY_PV}/bin/{}" "/usr/lib/llvm/${LLVM_VERSION}/bin/{}" \; # Install licenses insinto "/usr/share/licenses/llvm-mingw" doins "LICENSE" # Install documentation insinto "/usr/share/doc/llvm-mingw" doins "README.md" }
https://github.com/Infrasonics/eselect-llvm or gcc-config alike all the easier seems they canned the eslect-llvm idea ??? ... else like crossdev gcc-config/eselect-llvm /opt/rpi5-genpi , chroot bang out bins rsync binhost n done .. eselect-llvm seems it could have in theory handled swapping from systems-llvm/clang to llvm-mingw and back to systemsset ... forgoing need of doing symlinks etc ie # Create relative symlinks for clang mingw binaries for system clang folders etc ... but as i gathered registry file in each $pv llvm ... seen article mentioning or new updates on emerge eons ago... # Create relative symlinks for clang mingw binaries this likely would need filtering as to not clober the system clang but symlink libs , and commandeered items to extend the system-llvm/clang appropriately ie clang-mingw-$pv into system clang else a bash script derivation of sys-devel/clang-toolchain-symlinks as sys-devel/clang-toolchain-symlinks-mingw for arm64 gcc crossdev styled symlinks for GCC if wanted /fix clang-llvm--mingw-gcc symlinks as needed FLAG="msvcrt FLAG="ucrt" some time ago this was quite Arch specific ie arm64/AMD64 @@@@ a Caveat i might have forgotten ? @@@@ # Determine the correct tarball based on USE flags ### Enjoy ... .
# Copyright 1999-2025 Gentoo Authors # Distributed under the terms of the GNU General Public License v2 EAPI=8 #llvm-core/llvm-ming updated ebuild skell.. inherit pax-utils readme.gentoo-r1 unpacker DESCRIPTION="An LLVM/Clang/LLD-based mingw-w64 toolchain arm7/amd64/i686/arm64 targets" HOMEPAGE="https://github.com/mstorsjo/llvm-mingw" LICENSE="all-rights-reserved" SLOT="0" KEYWORDS="~amd64 ~arm64" IUSE="msvcrt ucrt gcc-crossdev ming-symlinks" REQUIRED_USE="arm64? ( ucrt )" RESTRICT="bindist mirror" MY_PV="20240606" # Define the version explicitly if not set dynamically LLVM_VERSION="${LLVM_VERSIONS[${MY_PV}]:-unknown}" # Map versions of llvm-mingw to system LLVM versions declare -A LLVM_VERSIONS LLVM_VERSIONS=( ["20250211"]="21.0.0_pre20250211" ["20250201"]="21.0.0_pre20250201" ["20250125"]="20.0.0_pre20250125" ["20250115"]="19.1.7" ["20250111"]="20.0.0_pre20250111" ["20241228"]="19.1.6" ["20240606"]="18.1.7" ["20240518"]="18.1.6" ["20231128"]="17.0.6" ["20230614"]="16.0.6" ["20230510"]="15.0.7-r7" ) RDEPEND="llvm-core/llvm:${SLOT} clang-toolchain-symlinks:${SLOT} llvm-core/lld:${SLOT} llvm-core/lld-toolchain-symlinks:${SLOT} sys-devel/crossdev" ### crossdev so folders etc will be thier sys-devel/clang-crossdev-wrappers some inspiration drawn... ### crossdev isn't fully required just some of its structures. ie folders for compat. # Define the target LLVM-Mingw release # MY_PV="20240606" # Update to the latest available version LLVM_VERSION="${LLVM_VERSIONS[${MY_PV}]}" if [[ -z "${LLVM_VERSION}" ]]; then die "Unknown MY_PV: ${MY_PV}" fi BASE_URI="https://github.com/mstorsjo/llvm-mingw/releases/download/${MY_PV}" SUFFIX="ubuntu-20.04" # Determine the correct tarball based on USE flags if use msvcrt; then FLAG="msvcrt" elif use ucrt; then FLAG="ucrt" else die "Either 'msvcrt' or 'ucrt' USE flag must be set" fi SRC_URI="amd64? ( ${BASE_URI}/llvm-mingw-${MY_PV}-${FLAG}-${SUFFIX}-x86_64.tar.xz ) arm64? ( ${BASE_URI}/llvm-mingw-${MY_PV}-${FLAG}-${SUFFIX}-aarch64.tar.xz )" DOC_URI="https://raw.githubusercontent.com/mstorsjo/llvm-mingw/master/README.md" DEPEND="" RDEPEND="${DEPEND} llvm-core/clang:${LLVM_VERSION} llvm-core/lld:${LLVM_VERSION}" QA_PREBUILT="/opt/llvm-mingw/${MY_PV}/bin/* /opt/llvm-mingw/${MY_PV}/lib/*" src_prepare() { wget "${DOC_URI}" -P "${WORKDIR}" || die "Failed to download documentation" } src_install() { local llvm_path="/opt/llvm-mingw/${MY_PV}" local system_llvm_path="/usr/lib/llvm/${LLVM_VERSION}" insinto "${llvm_path}" doins -r "${S}"/* local BASE_DIR="/opt/llvm-mingw/${MY_PV}" local GENERIC_INCLUDE="${BASE_DIR}/generic-w64-mingw32/include" local SYSTEM_INCLUDE="/usr/lib/llvm/${SLOT}/include" # Ensure the generic-w64-mingw32/include exists if [[ ! -d "${GENERIC_INCLUDE}" ]]; then dodir "${GENERIC_INCLUDE}" fi # Only symlink generic-w64-mingw32/include to system LLVM headers if it doesn't exist if [[ ! -e "${GENERIC_INCLUDE}" ]]; then dosym "${SYSTEM_INCLUDE}" "${GENERIC_INCLUDE}" fi local targets=( "aarch64-w64-mingw32" "armv7-w64-mingw32" "i686-w64-mingw32" "x86_64-w64-mingw32" ) local tools_map=( "gcc:clang" "g++:clang++" "cpp:clang-cpp" "cc:clang" "c++:clang++" "ar:llvm-ar" "ranlib:llvm-ranlib" "nm:llvm-nm" "strip:llvm-strip" "objcopy:llvm-objcopy" "objdump:llvm-objdump" "readelf:llvm-readelf" "dlltool:llvm-dlltool" "ld:lld" "ld.bfd:lld" "ld.gold:lld" "ld.lld:lld-link" "rc:llvm-rc" "cov:llvm-cov" "dllwrap:llvm-dlltool" "windres:llvm-windres" "addr2line:llvm-addr2line" "cxxfilt:llvm-cxxfilt" ) if use ming-symlinks; then for target in "${targets[@]}"; do for tool_map in "${tools_map[@]}"; do local old_tool="${tool_map%%:*}" local new_tool="${tool_map##*:}" # Crossdev-style symlinks dosym "${system_llvm_path}/bin/${new_tool}" "/usr/bin/${target}-${old_tool}" # Local symlinks inside llvm-mingw dosym "${system_llvm_path}/bin/${new_tool}" "${llvm_path}/bin/${target}-${old_tool}" done done fi # do header symlinks as nessisary from "${BASE_DIR}/generic-w64-mingw32/include "/usr/lib/llvm/${SLOT}/include" ### skip exsiting files in "/usr/lib/llvm/${SLOT}/include" no-cloobering... local GENERIC_INCLUDE="${BASE_DIR}/generic-w64-mingw32/include" if [[ ! -d "${GENERIC_INCLUDE}" && ! -L "${GENERIC_INCLUDE}" ]]; then dosym "/usr/lib/llvm/${SLOT}/include" "${GENERIC_INCLUDE}" fi # Fix crossdev GCC-style symlinks if use gcc-crossdev; then for target in "${targets[@]}"; do for tool in gcc g++ cc c++; do dosym "/usr/bin/${target}-${tool}" "/usr/lib/crossdev/${target}/bin/${tool}" done done fi insinto "/usr/share/licenses/llvm-mingw" doins "LICENSE" insinto "/usr/share/doc/llvm-mingw" doins "README.md" pkg_postinst() { ewarn "LLVM-Mingw installed in /opt/llvm-mingw/${MY_PV}" ewarn "Ensure your PATH includes /opt/llvm-mingw/${MY_PV}/bin" if use ming-symlinks; then ewarn "Crossdev-style symlinks created in /usr/bin/" fi if use gcc-crossdev; then ewarn "Crossdev GCC-style symlinks created in /usr/lib/crossdev/" fi # Add environment variables to /etc/env.d cat > "${T}/99llvm-mingw" <<EOF PATH="${llvm_path}/bin:${PATH}" MINGW_PREFIX="x86_64-w64-mingw32" LLVM_VERSION="${LLVM_VERSION}" LLVM_PATH="${llvm_path}/bin" CROSS_DEV="${llvm_path}/bin/${MINGW_PREFIX}" EOF # Install the environment variables doins "${T}/99llvm-mingw"
# Copyright 1999-2025 Gentoo Authors # Distributed under the terms of the GNU General Public License v2 EAPI=8 #llvm-core/llvm inherit pax-utils readme.gentoo-r1 unpacker DESCRIPTION="An LLVM/Clang/LLD-based mingw-w64 toolchain arm7/amd64/i686/arm64 targets" HOMEPAGE="https://github.com/mstorsjo/llvm-mingw" LICENSE="all-rights-reserved" SLOT="0" KEYWORDS="~amd64 ~arm64" IUSE="msvcrt ucrt gcc-crossdev ming-symlinks" REQUIRED_USE="arm64? ( ucrt )" RESTRICT="bindist mirror" MY_PV="20240606" # Define the version explicitly if not set dynamically LLVM_VERSION="${LLVM_VERSIONS[${MY_PV}]:-unknown}" # Map versions of llvm-mingw to system LLVM versions declare -A LLVM_VERSIONS LLVM_VERSIONS=( ["20250211"]="21.0.0_pre20250211" ["20250201"]="21.0.0_pre20250201" ["20250125"]="20.0.0_pre20250125" ["20250115"]="19.1.7" ["20250111"]="20.0.0_pre20250111" ["20241228"]="19.1.6" ["20240606"]="18.1.7" ["20240518"]="18.1.6" ["20231128"]="17.0.6" ["20230614"]="16.0.6" ["20230510"]="15.0.7-r7" ) RDEPEND="llvm-core/llvm:${SLOT} clang-toolchain-symlinks:${SLOT} llvm-core/lld:${SLOT} llvm-core/lld-toolchain-symlinks:${SLOT} sys-devel/crossdev" ### crossdev so folders etc will be thier sys-devel/clang-crossdev-wrappers some insperation drwan... ### crossdev isnt fully required just some oif its structures. # Define the target LLVM-Mingw release # MY_PV="20240606" # Update to the latest available version LLVM_VERSION="${LLVM_VERSIONS[${MY_PV}]}" if [[ -z "${LLVM_VERSION}" ]]; then die "Unknown MY_PV: ${MY_PV}" fi BASE_URI="https://github.com/mstorsjo/llvm-mingw/releases/download/${MY_PV}" SUFFIX="ubuntu-20.04" # Determine the correct tarball based on USE flags if use msvcrt; then FLAG="msvcrt" elif use ucrt; then FLAG="ucrt" else die "Either 'msvcrt' or 'ucrt' USE flag must be set" fi SRC_URI="amd64? ( ${BASE_URI}/llvm-mingw-${MY_PV}-${FLAG}-${SUFFIX}-x86_64.tar.xz ) arm64? ( ${BASE_URI}/llvm-mingw-${MY_PV}-${FLAG}-${SUFFIX}-aarch64.tar.xz )" DOC_URI="https://raw.githubusercontent.com/mstorsjo/llvm-mingw/master/README.md" DEPEND="" RDEPEND="${DEPEND} llvm-core/clang:${LLVM_VERSION} llvm-core/lld:${LLVM_VERSION}" QA_PREBUILT="/opt/llvm-mingw/${MY_PV}/bin/* /opt/llvm-mingw/${MY_PV}/lib/*" src_prepare() { wget "${DOC_URI}" -P "${WORKDIR}" || die "Failed to download documentation" } src_install() { local llvm_path="/opt/llvm-mingw/${MY_PV}" local system_llvm_path="/usr/lib/llvm/${LLVM_VERSION}" insinto "${llvm_path}" doins -r "${S}"/* local BASE_DIR="/opt/llvm-mingw/${MY_PV}" local GENERIC_INCLUDE="${BASE_DIR}/generic-w64-mingw32/include" local SYSTEM_INCLUDE="/usr/lib/llvm/${SLOT}/include" # Ensure the generic-w64-mingw32/include exists if [[ ! -d "${GENERIC_INCLUDE}" ]]; then dodir "${GENERIC_INCLUDE}" fi # Only symlink generic-w64-mingw32/include to system LLVM headers if it doesn't exist if [[ ! -e "${GENERIC_INCLUDE}" ]]; then dosym "${SYSTEM_INCLUDE}" "${GENERIC_INCLUDE}" fi local targets=( "aarch64-w64-mingw32" "armv7-w64-mingw32" "i686-w64-mingw32" "x86_64-w64-mingw32" ) local tools_map=( "gcc:clang" "g++:clang++" "cpp:clang-cpp" "cc:clang" "c++:clang++" "ar:llvm-ar" "ranlib:llvm-ranlib" "nm:llvm-nm" "strip:llvm-strip" "objcopy:llvm-objcopy" "objdump:llvm-objdump" "readelf:llvm-readelf" "dlltool:llvm-dlltool" "ld:lld" "ld.bfd:lld" "ld.gold:lld" "ld.lld:lld-link" "rc:llvm-rc" "cov:llvm-cov" "dllwrap:llvm-dlltool" "windres:llvm-windres" "addr2line:llvm-addr2line" "cxxfilt:llvm-cxxfilt" ) if use ming-symlinks; then for target in "${targets[@]}"; do for tool_map in "${tools_map[@]}"; do local old_tool="${tool_map%%:*}" local new_tool="${tool_map##*:}" # Crossdev-style symlinks dosym "${system_llvm_path}/bin/${new_tool}" "/usr/bin/${target}-${old_tool}" # Local symlinks inside llvm-mingw dosym "${system_llvm_path}/bin/${new_tool}" "${llvm_path}/bin/${target}-${old_tool}" done done fi # do header symlinks as nessisary from "${BASE_DIR}/generic-w64-mingw32/include "/usr/lib/llvm/${SLOT}/include" ### skip exsiting files in "/usr/lib/llvm/${SLOT}/include" no-cloobering... local GENERIC_INCLUDE="${BASE_DIR}/generic-w64-mingw32/include" if [[ ! -d "${GENERIC_INCLUDE}" && ! -L "${GENERIC_INCLUDE}" ]]; then dosym "/usr/lib/llvm/${SLOT}/include" "${GENERIC_INCLUDE}" fi # Fix crossdev GCC-style symlinks if use gcc-crossdev; then for target in "${targets[@]}"; do for tool in gcc g++ cc c++; do dosym "/usr/bin/${target}-${tool}" "/usr/lib/crossdev/${target}/bin/${tool}" done done fi insinto "/usr/share/licenses/llvm-mingw" doins "LICENSE" insinto "/usr/share/doc/llvm-mingw" doins "README.md" pkg_postinst() { ewarn "LLVM-Mingw installed in /opt/llvm-mingw/${MY_PV}" ewarn "Ensure your PATH includes /opt/llvm-mingw/${MY_PV}/bin" if use ming-symlinks; then ewarn "Crossdev-style symlinks created in /usr/bin/" fi if use gcc-crossdev; then ewarn "Crossdev GCC-style symlinks created in /usr/lib/crossdev/" fi # Add environment variables to /etc/env.d cat > "${T}/99llvm-mingw" <<EOF PATH="${llvm_path}/bin:${PATH}" MINGW_PREFIX="x86_64-w64-mingw32" LLVM_VERSION="${LLVM_VERSION}" LLVM_PATH="${llvm_path}/bin" CROSS_DEV="${llvm_path}/bin/${MINGW_PREFIX}" EOF # Install the environment variables doins "${T}/99llvm-mingw"
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