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# Copyright 1999-2025 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=7
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EAPI=8
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inherit libtool flag-o-matic gnuconfig strip-linguas toolchain-funcs
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inherit dot-a libtool flag-o-matic gnuconfig strip-linguas toolchain-funcs
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DESCRIPTION="Tools necessary to build programs"
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HOMEPAGE="https://sourceware.org/binutils/"
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LICENSE="GPL-3+"
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IUSE="cet debuginfod doc gold gprofng hardened multitarget +nls pgo +plugins static-libs test vanilla zstd"
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IUSE="cet debuginfod doc gprofng hardened multitarget +nls pgo +plugins static-libs test vanilla xxhash zstd"
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# Variables that can be set here (ignored for live ebuilds)
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# PATCH_VER - the patchset version
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# PATCH_DEV - Use download URI https://dev.gentoo.org/~{PATCH_DEV}/distfiles/...
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# for the patchsets
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PATCH_VER=3
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PATCH_DEV=dilfridge
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PATCH_VER=1
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PATCH_DEV=sam
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if [[ ${PV} == 9999 ]]; then
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inherit git-r3
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)
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zstd? ( app-arch/zstd:= )
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"
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DEPEND="${RDEPEND}"
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DEPEND="
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${RDEPEND}
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xxhash? ( dev-libs/xxhash )
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"
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BDEPEND="
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doc? ( sys-apps/texinfo )
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pgo? (
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src_unpack() {
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if [[ ${PV} == *9999 ]] ; then
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EGIT_REPO_URI="https://anongit.gentoo.org/git/proj/toolchain/binutils-patches.git"
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EGIT_REPO_URI="
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https://anongit.gentoo.org/git/proj/toolchain/binutils-patches.git
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https://github.com/gentoo/binutils-patches
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"
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EGIT_CHECKOUT_DIR=${WORKDIR}/patches-git
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git-r3_src_unpack
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mv patches-git/9999 patch || die
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if [[ ${PV} != 9999 ]] ; then
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EGIT_BRANCH=binutils-$(ver_cut 1)_$(ver_cut 2)-branch
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fi
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EGIT_REPO_URI="https://sourceware.org/git/binutils-gdb.git"
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EGIT_REPO_URI="
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https://sourceware.org/git/binutils-gdb.git
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https://git.sr.ht/~sourceware/binutils-gdb
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https://gitlab.com/x86-binutils/binutils-gdb.git
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"
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S=${WORKDIR}/binutils
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EGIT_CHECKOUT_DIR=${S}
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git-r3_src_unpack
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# It should be okay on non-prefix systems though. See bug #892549.
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if is_cross || use prefix; then
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eapply "${FILESDIR}"/binutils-2.40-linker-search-path.patch \
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"${FILESDIR}"/binutils-2.41-linker-prefix.patch
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"${FILESDIR}"/binutils-2.43-linker-prefix.patch
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fi
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fi
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fi
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strip-flags
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use cet && filter-flags -mindirect-branch -mindirect-branch=*
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use elibc_musl && append-ldflags -Wl,-z,stack-size=2097152
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# https://sourceware.org/PR32372
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append-cflags $(test-flags-CC -std=gnu17)
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lto-guarantee-fat
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local x
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echo
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if use plugins ; then
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myconf+=( --enable-plugins )
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fi
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# enable gold (installed as ld.gold) and ld's plugin architecture
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if use gold ; then
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myconf+=( --enable-gold )
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fi
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if use nls ; then
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myconf+=( --without-included-gettext )
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--with-bugurl="$(toolchain-binutils_bugurl)"
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--with-pkgversion="$(toolchain-binutils_pkgversion)"
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$(use_enable static-libs static)
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$(use_with xxhash)
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$(use_with zstd)
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# Disable modules that are in a combined binutils/gdb tree, bug #490566
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# We can enable this by default in future, but it's brand new
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# in 2.39 with several bugs:
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# - Doesn't build on musl (https://sourceware.org/bugzilla/show_bug.cgi?id=29477)
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# - No man pages (https://sourceware.org/bugzilla/show_bug.cgi?id=29521)
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# - Broken at runtime without Java (https://sourceware.org/bugzilla/show_bug.cgi?id=29479)
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# - Doesn't build on musl (https://sourceware.org/PR29477)
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# - No man pages (https://sourceware.org/PR29521)
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# - Broken at runtime without Java (https://sourceware.org/PR29479)
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# - binutils-config (and this ebuild?) needs adaptation first (https://bugs.gentoo.org/865113)
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$(use_enable gprofng)
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# Enables colored disassembly by default (equivalent to passing
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# --disassembler-color=terminal to all objdump invocations).
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--enable-colored-disassembly
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)
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case ${CTARGET} in
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# These hardening options are available from 2.39+ but
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# they unconditionally enable the behaviour even on arches
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# where e.g. execstacks can't be avoided.
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# See https://sourceware.org/bugzilla/show_bug.cgi?id=29592.
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# See https://sourceware.org/PR29592.
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#
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# TODO: Get the logic for this fixed upstream so it doesn't
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# create impossible broken combinations on some arches, like mips.
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# with the testsuite.
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filter-lto
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# bug #637066
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filter-flags -Wall -Wreturn-type
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export BUILD_CFLAGS="${CFLAGS}"
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fi
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fi
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# Tests don't expect LTO
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filter-lto
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# If we have e.g. -mfpmath=sse -march=pentium4 in CFLAGS,
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# we'll get lto1 warnings for some tests which cause
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# spurious failures because -mfpmath isn't passed at
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# link-time. Filter accordingly.
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#
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# Alternatively, we could pass C{C,XX}_FOR_TARGET with
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# some (ideally not all, surely would break some tests)
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# stuffed in.
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filter-flags '-mfpmath=*'
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# lto-wrapper warnings which confuse tests
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filter-flags '-Wa,*'
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emake DESTDIR="${D}" tooldir="${EPREFIX}${LIBPATH}" install
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rm -rf "${ED}"/${LIBPATH}/bin || die
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use static-libs || find "${ED}" -name '*.la' -delete
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# Explicit "${ED}" as we need it to do things even w/ USE=-static-libs
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strip-lto-bytecode "${ED}"
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# Newer versions of binutils get fancy with ${LIBPATH}, bug #171905
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cd "${ED}"/${LIBPATH} || die
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find "${ED}" -depth -type d -exec rmdir {} + 2>/dev/null
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}
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# Simple test to make sure our new binutils isn't completely broken.
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# Skip if this binutils is a cross compiler.
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binutils_sanity_check() {
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pushd "${T}" >/dev/null
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einfo "Last-minute run tests with binutils in ${ED}${BINPATH} ..."
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cat <<-EOF > "${T}"/number.c
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int get_magic_number() {
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return 42;
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}
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EOF
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cat <<-EOF > "${T}"/test.c
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#include <stdio.h>
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int get_magic_number();
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int main() {
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printf("Hello Gentoo! Your magic number is: %d\n", get_magic_number());
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}
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EOF
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local -x LD_LIBRARY_PATH="${ED}${LIBPATH}${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}"
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local opt opt2
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# TODO: test multilib variants?
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for opt in '' '-O2' ; do
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# TODO: add static-pie? we need to check if support exists, though (bug #965478)
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for opt2 in '-static' '-fno-PIE -no-pie' ; do
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$(tc-getCC) ${opt} ${opt2} -B"${ED}${BINPATH}" "${T}"/number.c "${T}"/test.c -o "${T}"/test
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if "${T}"/test | grep -q "Hello Gentoo! Your magic number is: 42" ; then
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:;
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else
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die "Test with '${opt} ${opt2}' failed! Aborting to avoid broken binutils!"
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fi
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done
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done
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popd >/dev/null
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}
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pkg_preinst() {
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[[ -n ${ROOT} ]] && return 0
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[[ -n ${EPREFIX} ]] && return 0
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[[ -d ${ED}${BINPATH} ]] || return 0
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[[ -n ${BOOTSTRAP_RAP} ]] || return 0
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is_cross && return 0
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binutils_sanity_check
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}
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pkg_postinst() {
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# Make sure this ${CTARGET} has a binutils version selected
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[[ -e ${EROOT}/etc/env.d/binutils/config-${CTARGET} ]] && return 0
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