commit: b0b373d3f28f3d4742dc3c1216a8be8e3f3fa71a Author: Sam James <sam <AT> gentoo <DOT> org> AuthorDate: Tue Feb 3 23:38:02 2026 +0000 Commit: Sam James <sam <AT> gentoo <DOT> org> CommitDate: Tue Feb 3 23:39:20 2026 +0000 URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=b0b373d3
sys-devel/mold: pull in upstream PR for AS_NEEDED group compat This is needed for GCC 16. Was trying to wait but it's been a while w/ no upstream reply and it breaks dot-a.eclass tests. Closes: https://bugs.gentoo.org/968893 Signed-off-by: Sam James <sam <AT> gentoo.org> .../mold/files/mold-2.40.4-as-needed-group.patch | 67 ++++++++++++ sys-devel/mold/mold-2.40.4-r1.ebuild | 121 +++++++++++++++++++++ 2 files changed, 188 insertions(+) diff --git a/sys-devel/mold/files/mold-2.40.4-as-needed-group.patch b/sys-devel/mold/files/mold-2.40.4-as-needed-group.patch new file mode 100644 index 000000000000..33bab61dbf17 --- /dev/null +++ b/sys-devel/mold/files/mold-2.40.4-as-needed-group.patch @@ -0,0 +1,67 @@ +From df7b1433b9dab52f207975a90bcef068e3999047 Mon Sep 17 00:00:00 2001 +From: Jonathan Wakely <[email protected]> +Date: Wed, 21 Jan 2026 11:39:57 +0000 +Subject: [PATCH] Fix getting output type from linker scripts that use + AS_NEEDED + +Make Script<E>::get_script_output_type support AS_NEEDED inside an INPUT +or GROUP group, so that the libatomic_asneeded.so linker script used by +GCC 16 works. + +Fixes #1545 + +Signed-off-by: Jonathan Wakely <[email protected]> +--- + src/linker-script.cc | 5 ++++- + test/linker-script-group-as-needed.sh | 24 ++++++++++++++++++++++++ + 2 files changed, 28 insertions(+), 1 deletion(-) + create mode 100755 test/linker-script-group-as-needed.sh + +diff --git a/src/linker-script.cc b/src/linker-script.cc +index 51144b3029..b40191887b 100644 +--- a/src/linker-script.cc ++++ b/src/linker-script.cc +@@ -249,9 +249,12 @@ std::string_view Script<E>::get_script_output_type() { + } + + if (tok.size() >= 3 && (tok[0] == "INPUT" || tok[0] == "GROUP") && +- tok[1] == "(") ++ tok[1] == "(") { ++ if (tok[2] == "AS_NEEDED" && tok[3] == "(") ++ tok = tok.subspan(2); + if (MappedFile *mf = resolve_path(tok[2], false)) + return get_machine_type(ctx, rctx, mf); ++ } + return ""; + } + +diff --git a/test/linker-script-group-as-needed.sh b/test/linker-script-group-as-needed.sh +new file mode 100755 +index 0000000000..61dcba76be +--- /dev/null ++++ b/test/linker-script-group-as-needed.sh +@@ -0,0 +1,24 @@ ++#!/bin/bash ++. $(dirname $0)/common.inc ++ ++cat <<EOF | $CC -o $t/a.o -c -xc - ++#include <stdio.h> ++int main() { ++ printf("Hello world\n"); ++} ++EOF ++ ++cat <<EOF | $CC -B. -shared -o $t/libB.so -c -xc - ++void not_needed() { } ++EOF ++$AR ++ ++cat <<EOF > $t/libscript.a ++GROUP(AS_NEEDED("$t/libB.so")) ++EOF ++ ++$CC -B. -o $t/exe -L$t -lscript $t/a.o ++$QEMU $t/exe | grep 'Hello world' ++ ++$CC -B. -o $t/exe -L$t -l:libscript.a $t/a.o ++$QEMU $t/exe | grep 'Hello world' diff --git a/sys-devel/mold/mold-2.40.4-r1.ebuild b/sys-devel/mold/mold-2.40.4-r1.ebuild new file mode 100644 index 000000000000..449dda0dfaf2 --- /dev/null +++ b/sys-devel/mold/mold-2.40.4-r1.ebuild @@ -0,0 +1,121 @@ +# Copyright 2021-2026 Gentoo Authors +# Distributed under the terms of the GNU General Public License v2 + +EAPI=8 + +inherit cmake flag-o-matic toolchain-funcs + +DESCRIPTION="A Modern Linker" +HOMEPAGE="https://github.com/rui314/mold" +if [[ ${PV} == 9999 ]] ; then + EGIT_REPO_URI="https://github.com/rui314/mold.git" + inherit git-r3 +else + SRC_URI="https://github.com/rui314/mold/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz" + # -alpha: https://github.com/rui314/mold/commit/3711ddb95e23c12991f6b8c7bfeba4f1421d19d4 + KEYWORDS="-alpha ~amd64 ~arm ~arm64 ~loong ~ppc ~riscv ~sparc ~x86" +fi + +# mold (MIT) +# - xxhash (BSD-2) +# - siphash ( MIT CC0-1.0 ) +LICENSE="MIT BSD-2 CC0-1.0" +SLOT="0" +IUSE="debug test" +RESTRICT="!test? ( test )" + +RDEPEND=" + app-arch/zstd:= + >=dev-cpp/tbb-2021.7.0-r1:= + dev-libs/blake3:= + virtual/zlib:= + !kernel_Darwin? ( + >=dev-libs/mimalloc-2:= + ) +" +DEPEND="${RDEPEND}" + +PATCHES=( + "${FILESDIR}"/${PN}-2.40.4-as-needed-group.patch +) + +pkg_pretend() { + # Requires a c++20 compiler, see #831473 + if [[ ${MERGE_TYPE} != binary ]]; then + if tc-is-gcc && [[ $(gcc-major-version) -lt 10 ]]; then + die "${PN} needs at least gcc 10" + elif tc-is-clang && [[ $(clang-major-version) -lt 12 ]]; then + die "${PN} needs at least clang 12" + fi + fi +} + +src_prepare() { + cmake_src_prepare + + # Needs unpackaged dwarfdump + rm test/{{dead,compress}-debug-sections,compressed-debug-info}.sh || die + + # Heavy tests, need qemu + rm test/gdb-index-{compress-output,dwarf{2,3,4,5}}.sh || die + rm test/lto-{archive,dso,gcc,llvm,version-script}.sh || die + + # Sandbox sadness + rm test/run.sh || die + sed -i 's|`pwd`/mold-wrapper.so|"& ${LD_PRELOAD}"|' \ + test/mold-wrapper{,2}.sh || die + + # Fails if binutils errors out on textrels by default + rm test/textrel.sh test/textrel2.sh || die + + # Fails with (sometimes, maybe dependent on sys-devel/clang default + # linker): + # "/usr/bin/x86_64-pc-linux-gnu-ld.bfd: unrecognised emulation mode: llvm" + rm test/lto-llvm2.sh || die + + # static-pie tests require glibc built with static-pie support + if ! has_version -d 'sys-libs/glibc[static-pie(+)]'; then + rm test/{,ifunc-}static-pie.sh || die + fi +} + +src_configure() { + use debug || append-cppflags "-DNDEBUG" + + local mycmakeargs=( + -DBUILD_TESTING=$(usex test) + -DMOLD_LTO=OFF # Should be up to the user to decide this with CXXFLAGS. + -DMOLD_USE_MIMALLOC=$(usex !kernel_Darwin) + -DMOLD_USE_SYSTEM_MIMALLOC=ON + -DMOLD_USE_SYSTEM_TBB=ON + ) + + if use test ; then + mycmakeargs+=( + -DMOLD_ENABLE_QEMU_TESTS=OFF + ) + fi + + cmake_src_configure +} + +src_test() { + export TEST_CC="$(tc-getCC)" TEST_GCC="$(tc-getCC)" \ + TEST_CXX="$(tc-getCXX)" TEST_GXX="$(tc-getCXX)" + cmake_src_test +} + +src_install() { + dobin "${BUILD_DIR}"/${PN} + + # https://bugs.gentoo.org/872773 + insinto /usr/$(get_libdir)/mold + doins "${BUILD_DIR}"/${PN}-wrapper.so + + dodoc docs/{design,execstack}.md + doman docs/${PN}.1 + + dosym ${PN} /usr/bin/ld.${PN} + dosym ${PN} /usr/bin/ld64.${PN} + dosym -r /usr/bin/${PN} /usr/libexec/${PN}/ld +}
