commit: 97bf4b3217f41d2275ba3fff9d9295ab316174a9 Author: James Calligeros <jcalligeros99 <AT> gmail <DOT> com> AuthorDate: Wed Oct 15 02:03:59 2025 +0000 Commit: Sam James <sam <AT> gentoo <DOT> org> CommitDate: Wed Oct 15 05:24:43 2025 +0000 URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=97bf4b32
dev-util/llvm-mingw64: don't strip static stdlib and compiler builtins Portage was still trying to strip the static stdlib archives and compiler builtins, breaking the toolchain for anything trying to statically link libc++ (e.g. app-emulation/fex-xtajit) or where compiler-rt was being called for. Signed-off-by: James Calligeros <jcalligeros99 <AT> gmail.com> Part-of: https://github.com/gentoo/gentoo/pull/44183 Closes: https://github.com/gentoo/gentoo/pull/44183 Signed-off-by: Sam James <sam <AT> gentoo.org> .../llvm-mingw64/llvm-mingw64-13.0.0-r2.ebuild | 306 +++++++++++++++++++++ 1 file changed, 306 insertions(+) diff --git a/dev-util/llvm-mingw64/llvm-mingw64-13.0.0-r2.ebuild b/dev-util/llvm-mingw64/llvm-mingw64-13.0.0-r2.ebuild new file mode 100644 index 000000000000..3af38989f680 --- /dev/null +++ b/dev-util/llvm-mingw64/llvm-mingw64-13.0.0-r2.ebuild @@ -0,0 +1,306 @@ +# Copyright 2022-2025 Gentoo Authors +# Distributed under the terms of the GNU General Public License v2 + +EAPI=8 + +inherit autotools edo ninja-utils flag-o-matic toolchain-funcs + +MINGW_PV=$(ver_cut 1-3) +LLVM_PV=21.1.0 +LLVM_MAJOR=$(ver_cut 1 ${LLVM_PV}) + +DESCRIPTION="Clang/LLVM based mingw64 toolchain" +HOMEPAGE=" + https://www.mingw-w64.org/ +" +SRC_URI=" + https://downloads.sourceforge.net/mingw-w64/mingw-w64/mingw-w64-release/mingw-w64-v${MINGW_PV}.tar.bz2 + https://github.com/llvm/llvm-project/releases/download/llvmorg-${LLVM_PV}/llvm-project-${LLVM_PV}.src.tar.xz +" +S="${WORKDIR}" + +LICENSE=" + Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT ) + ZPL BSD BSD-2 ISC LGPL-2+ LGPL-2.1+ MIT public-domain +" +SLOT="0" +KEYWORDS="~arm64" +IUSE="+arm64ec-pe custom-cflags +strip" + +PATCHES=" + ${FILESDIR}/${PN}-13.0.0-r1-exclude-arm64-cflags.patch +" + +BDEPEND=" + dev-build/cmake +" + +RDEPEND=" + llvm-core/clang:${LLVM_MAJOR} + llvm-core/llvm:${LLVM_MAJOR} + llvm-core/lld:${LLVM_MAJOR} +" +DEPEND="${RDEPEND}" + +pkg_pretend() { + [[ ${MERGE_TYPE} == binary ]] && return + + tc-is-cross-compiler && + die "cross-compilation of the toolchain itself is unsupported" +} + +pkg_setup() { + HOSTS=( + aarch64-w64-mingw32 +# $(usev i686-pe i686-w64-mingw32) + $(usev arm64ec-pe arm64ec-w64-mingw32) + ) +} + +src_prepare() { + # rename directories to simplify both patching and the ebuild + mv mingw-w64-v${MINGW_PV} mingw64 || die + mv llvm-project-${LLVM_PV}.src llvm-project || die + default + + pushd mingw64 >/dev/null || die + eautoreconf + popd >/dev/null || die +} + +src_compile() { + # not great but do everything in src_compile given bootstrapping + # process needs to be done in steps of configure+compile+install + # (done modular to have most package-specific things in one place) + + MWT_D=${T}/root # moved to ${D} in src_install + mwtdir=/usr/lib/${PN} + prefix=${EPREFIX}${mwtdir} + sysroot=${MWT_D}${prefix} + PATH=${sysroot}/bin:${PATH} + + unset AR CC CPP CXX DLLTOOL LD NM OBJCOPY OBJDUMP RANLIB RC STRIP + + export AR=llvm-ar + export CC=clang + export CXX=clang++ + export NM=llvm-nm + export RANLIB=llvm-ranlib + export STRIP=llvm-strip + + filter-flags '-fuse-ld=*' + filter-flags '-mfunction-return=thunk*' #878849 + + use custom-cflags || filter-flags '-fstack-protector*' #931512 + + filter-flags '-Wl,-z,*' + append-flags -mno-avx + + filter-lto # requires setting up, and may be messy with mingw static libs + use custom-cflags || strip-flags # fancy flags are not realistic here + + local -A lib_hosts=( + aarch64-w64-mingw32 "--disable-lib32 --disable-lib64 --enable-libarm64" + arm64ec-w64-mingw32 "--disable-lib32 --disable-lib64 --enable-libarm64" + i686-w64-mingw32 "--enable-lib32 --disable-lib64 --disable-libarm64" + ) + for CHOST in ${HOSTS[@]}; do + ( per_host_compile ${lib_hosts[${CHOST}]} ) + done +} + +per_host_compile() { + CC="${CC} -target ${CHOST}" \ + CXX="${CXX} -target ${CHOST}" \ + LD="${LD} -target ${CHOST}" \ + strip-unsupported-flags + + local conf_mingw64=( + --build=${CBUILD} + --prefix="${prefix}"/${CHOST} + --host=${CHOST} + --with-sysroot=no + --without-{crt,headers} + + # mingw .dll aren't used by wine and packages wouldn't find them + # at runtime, use crossdev if need dll and proper search paths + --disable-shared + ) + + local conf_mingw64_headers=( + --enable-idl + --with-headers + ) + + local conf_mingw64_runtime=( + --with-crt $@ + ) + + local conf_mingw64_libraries=( --with-libraries="winpthreads" ) + + mwt-build() { + local id=${1##*/} + local build_dir=${WORKDIR}/${1}${2+_${2}}-${CHOST}-build + + # econf is not allowed in src_compile and its defaults are + # mostly unused here, so use configure directly + local conf=( "${WORKDIR}/${1}"/configure ) + + local -n conf_id=conf_${id} conf_id2=conf_${id}_${2} + [[ ${conf_id@a} == *a* ]] && conf+=( "${conf_id[@]}" ) + [[ ${2} && ${conf_id2@a} == *a* ]] && conf+=( "${conf_id2[@]}" ) + + einfo "Building ${id}${2+ ${2}} in ${build_dir} ..." + + mkdir -p "${build_dir}" || die + pushd "${build_dir}" >/dev/null || die + + edo "${conf[@]}" + emake MAKEINFO=: V=1 + # -j1 to match bug #906155, other packages may be fragile too + emake -j1 MAKEINFO=: V=1 DESTDIR="${MWT_D}" install + + popd >/dev/null || die + } + + cmake-build() { + local id1=${1/-/_} + local id2=${2/-/_} + local -n conf_id=conf_${id1} conf_id2=conf_${id1}_${id2} + local conf=( "${conf_id[@]}" ) + [[ ${2} && ${conf_id2@a} == *a* ]] && conf+=( "${conf_id2[@]}" ) + local build_dir=${WORKDIR}/${1}${2+_${2}}-${CHOST}-build + + mkdir "${build_dir}" || die + pushd "${build_dir}" >/dev/null || die + cmake -GNinja \ + "${conf[@]}" "${WORKDIR}/$1/$2" || die + eninja + DESTDIR="${MWT_D}" eninja install + popd >/dev/null || die + } + + CPPFLAGS="$CPPFLAGS --no-default-config -target ${CHOST}" + mwt-build mingw64 headers + CPPFLAGS="$CPPFLAGS -isystem ${MWT_D}${prefix}/${CHOST}/include" + export RCFLAGS="$RCFLAGS -I${MWT_D}${prefix}/${CHOST}/include" + LDFLAGS="$LDFLAGS --no-default-config -fuse-ld=lld" + CPP="clang --no-default-config -E -target ${CHOST}" mwt-build mingw64 runtime + local resource_dir="${T}/resource-dir-${CHOST}" + cp -a "${BROOT}/usr/lib/clang/${LLVM_MAJOR}" "${resource_dir}" || die + LDFLAGS="$LDFLAGS -rtlib=compiler-rt -stdlib=libc++ -L${MWT_D}${prefix}/${CHOST}/lib" + CPPFLAGS="$CPPFLAGS -resource-dir ${resource_dir}" + local conf_llvm_project=( + -DCMAKE_BUILD_TYPE=Release + -DCMAKE_C_COMPILER=clang + -DCMAKE_CXX_COMPILER=clang++ + -DCMAKE_SYSTEM_NAME=Windows + -DCMAKE_C_COMPILER_WORKS=1 + -DCMAKE_CXX_COMPILER_WORKS=1 + -DCMAKE_C_COMPILER_TARGET="${CHOST}" + -DCMAKE_ASM_COMPILER_TARGET="${CHOST}" + -DCMAKE_CXX_COMPILER_TARGET="${CHOST}" + -DCMAKE_C_FLAGS_INIT="${CPPFLAGS}" + -DCMAKE_CXX_FLAGS_INIT="${CPPFLAGS}" + ) + local comp_rt_install="${EPREFIX}/usr/lib/clang/${LLVM_MAJOR}" + local conf_llvm_project_compiler_rt=( + -DCOMPILER_RT_INSTALL_PATH="${comp_rt_install}" + -DCOMPILER_RT_BUILD_BUILTINS=TRUE + -DCOMPILER_RT_DEFAULT_TARGET_ONLY=TRUE + -DCOMPILER_RT_EXCLUDE_ATOMIC_BUILTIN=FALSE + -DLLVM_CONFIG_PATH="" + -DCMAKE_FIND_ROOT_PATH="${prefix}/${CHOST}" + -DCMAKE_FIND_ROOT_PATH_MODE_INCLUDE=ONLY + -DCMAKE_FIND_ROOT_PATH_MODE_PACKAGE=ONLY + -DCOMPILER_RT_BUILD_SANITIZERS=FALSE + -DCOMPILER_RT_BUILD_CTX_PROFILE=FALSE + -DCOMPILER_RT_BUILD_XRAY=FALSE + -DCOMPILER_RT_BUILD_ORC=FALSE + -DCOMPILER_RT_BUILD_PROFILE=FALSE + -DCOMPILER_RT_BUILD_MEMPROF=FALSE + -DCOMPILER_RT_BUILD_LIBFUZZER=FALSE + ) + local conf_llvm_project_runtimes=( + -DLLVM_ENABLE_RUNTIMES="libunwind;libcxxabi;libcxx" + -DLLVM_DEFAULT_TARGET_TRIPLE="${CHOST}" + -DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/${CHOST}" + -DLIBUNWIND_USE_COMPILER_RT=TRUE + -DLIBUNWIND_ENABLE_SHARED=TRUE + -DLIBCXX_USE_COMPILER_RT=TRUE + -DLIBCXX_ENABLE_SHARED=TRUE + -DLIBCXX_ENABLE_STATIC_ABI_LIBRARY=TRUE + -DLIBCXX_CXX_ABI=libcxxabi + -DLIBCXX_LIBDIR_SUFFIX="" + -DLIBCXX_INCLUDE_TESTS=FALSE + -DLIBCXX_INSTALL_MODULES=TRUE + -DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=FALSE + -DLIBCXXABI_USE_COMPILER_RT=TRUE + -DLIBCXXABI_USE_LLVM_UNWINDER=TRUE + -DLIBCXXABI_ENABLE_SHARED=OFF + -DLIBCXXABI_LIBDIR_SUFFIX="" + ) + + cmake-build llvm-project compiler-rt + if [[ $CHOST == arm64ec-w64-mingw32 ]]; then + base="${MWT_D}/${comp_rt_install}/lib/windows" + llvm-ar -qL "${base}/libclang_rt.builtins-aarch64.a" "${base}/libclang_rt.builtins-arm64ec.a" + fi + cp -a "${MWT_D}/${comp_rt_install}"/* "${resource_dir}/" || die + + cmake-build llvm-project runtimes + + mwt-build mingw64 libraries +} + +src_install() { + mv -- "${MWT_D}${EPREFIX}"/* "${ED}" || die + + find "${ED}" -type f -name '*.la' -delete || die + bindir="${ED}/usr/lib/llvm-mingw64/bin" + mkdir -p "${bindir}" || die + mkdir -p "${ED}/etc/clang/${LLVM_MAJOR}" || die + + for CHOST in ${HOSTS[@]}; do + ( per_host_install ) + # Portage doesn't know which strip executable to use for this + # CTARGET and will mangle the stdlib, breaking the toolchain. + dostrip -x ${mwtdir}/${CHOST}/lib/{,32} + dostrip -x /usr/lib/llvm/${LLVM_MAJOR}/${CHOST}/lib/lib{c++,unwind}.dll.a + dostrip -x /usr/lib/llvm/${LLVM_MAJOR}/lib/lib{c++,unwind}.a + done + + # As above but for compiler builtins + dostrip -x /usr/lib/clang/${LLVM_MAJOR}/lib/windows +} + +per_host_install() { + local cchost="${CHOST/mingw32/windows-gnu}" + for bin in clang clang++; do + ln -s "${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/bin/${bin}" "${bindir}/${CHOST}-${bin}" || die + echo "@${cchost}-common.cfg" >"${ED}/etc/clang/${LLVM_MAJOR}/${cchost}-${bin}.cfg" || die + done + cat >"${ED}/etc/clang/${LLVM_MAJOR}/${cchost}-common.cfg" <<-EOF + -Xclang=-internal-isystem + -Xclang=${EPREFIX}/usr/lib/${PN}/${CHOST}/include + -stdlib=libc++ + -rtlib=compiler-rt + -unwindlib=libunwind + -L${EPREFIX}/usr/lib/${PN}/${CHOST}/lib/ + EOF + for bin in dlltool windres ar; do + ln -s "${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/bin/llvm-${bin}" "${bindir}/${CHOST}-${bin}" || die + done +} + +pkg_postinst() { + if [[ ! ${REPLACING_VERSIONS} ]]; then + elog "Note that this package is primarily intended for Wine and related" + elog "packages to depend on without needing a manual crossdev setup." + elog + elog "Settings are oriented only for what these need and simplicity." + elog "Use sys-devel/crossdev if need full toolchain/customization:" + elog " https://wiki.gentoo.org/wiki/Mingw"; + elog " https://wiki.gentoo.org/wiki/Crossdev"; + fi +}
