[gentoo-commits] repo/gentoo:master commit in: sys-devel/bpf-toolchain/

["Sam James" <sam@gentoo.org>]

commit:     ac27082741247929982524c28c47ff3e4d77e0c2
Author:     Sam James <sam <AT> gentoo <DOT> org>
AuthorDate: Tue Aug 20 18:59:02 2024 +0000
Commit:     Sam James <sam <AT> gentoo <DOT> org>
CommitDate: Tue Aug 20 18:59:41 2024 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=ac270827

sys-devel/bpf-toolchain: add 14.2.0_p1 (binutils-2.43.1)

This only updates binutils-2.43 -> binutils-2.43.1.

Signed-off-by: Sam James <sam <AT> gentoo.org>

 sys-devel/bpf-toolchain/Manifest                   |   1 +
 .../bpf-toolchain/bpf-toolchain-14.2.0_p1.ebuild   | 232 +++++++++++++++++++++
 2 files changed, 233 insertions(+)

diff --git a/sys-devel/bpf-toolchain/Manifest b/sys-devel/bpf-toolchain/Manifest
index e1ae3bc4043c..34d9a7278865 100644
--- a/sys-devel/bpf-toolchain/Manifest
+++ b/sys-devel/bpf-toolchain/Manifest
@@ -1,2 +1,3 @@
+DIST binutils-2.43.1.tar.xz 28174300 BLAKE2B c4cd765cea326cd00b5cfe306e2937d820603b42f07a714ceb1349d36ddba0d45c3e125599dadf290d97954035c381781067155600ed87066e494cb9c4b34b45 SHA512 20977ad17729141a2c26d358628f44a0944b84dcfefdec2ba029c2d02f40dfc41cc91c0631044560d2bd6f9a51e1f15846b4b311befbe14f1239f14ff7d57824
 DIST binutils-2.43.tar.xz 28175768 BLAKE2B 28b0a04a28273b76eab2d00e00160be889f155f77f5a9d8759ef8dce505c97e97641bf7ec70b92b731b520570a02b06e04e8215b068fcb1bb2573e9ef24732d9 SHA512 93e063163e54d6a6ee2bd48dc754270bf757a3635b49a702ed6b310e929e94063958512d191e66beaf44275f7ea60865dbde138b624626739679fcc306b133bb
 DIST gcc-14.2.0.tar.xz 92306460 BLAKE2B 87baf2a06dfa75d8fb6cd62c747ef1f57d3b9bbbe33a360d9ed3de4b4dbeaa8d920504c67e409bd9863414202c14fd854b46108e984418171205119216d03d3b SHA512 932bdef0cda94bacedf452ab17f103c0cb511ff2cec55e9112fc0328cbf1d803b42595728ea7b200e0a057c03e85626f937012e49a7515bc5dd256b2bf4bc396

diff --git a/sys-devel/bpf-toolchain/bpf-toolchain-14.2.0_p1.ebuild b/sys-devel/bpf-toolchain/bpf-toolchain-14.2.0_p1.ebuild
new file mode 100644
index 000000000000..847ea82ad412
--- /dev/null
+++ b/sys-devel/bpf-toolchain/bpf-toolchain-14.2.0_p1.ebuild
@@ -0,0 +1,232 @@
+# Copyright 2022-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit edo flag-o-matic toolchain-funcs
+
+# Versioning is just the GCC version in full (so may include a snapshot
+# date). Unlike dev-util/mingw64-toolchain, which this ebuild was heavily
+# inspired by, there's no "third component" here to version on, just
+# GCC + binutils.
+#
+# Do _p1++ rather than revbump on Binutils changes
+# Not using Gentoo patchsets for simplicity, their changes are mostly unneeded here.
+GCC_PV=${PV%_p*}
+BINUTILS_PV=2.43.1
+
+DESCRIPTION="All-in-one bpf toolchain for building DTrace and systemd without crossdev"
+HOMEPAGE="
+	https://gcc.gnu.org/
+	https://sourceware.org/binutils/
+	https://gcc.gnu.org/wiki/BPFBackEnd
+"
+SRC_URI="
+	mirror://gnu/binutils/binutils-${BINUTILS_PV}.tar.xz
+"
+if [[ ${GCC_PV} == *-* ]]; then
+	SRC_URI+=" mirror://gcc/snapshots/${GCC_PV}/gcc-${GCC_PV}.tar.xz"
+else
+	SRC_URI+="
+		mirror://gcc/gcc-${GCC_PV}/gcc-${GCC_PV}.tar.xz
+		mirror://gnu/gcc/gcc-${GCC_PV}/gcc-${GCC_PV}.tar.xz
+	"
+fi
+S="${WORKDIR}"
+
+# l1:binutils+gcc, l2:gcc(libraries)
+LICENSE="
+	GPL-3+
+	LGPL-3+ || ( GPL-3+ libgcc libstdc++ gcc-runtime-library-exception-3.1 )
+"
+SLOT="0"
+KEYWORDS="~amd64 ~arm64 ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
+IUSE="+bin-symlinks custom-cflags +strip"
+
+RDEPEND="
+	dev-libs/gmp:=
+	dev-libs/mpc:=
+	dev-libs/mpfr:=
+	sys-libs/zlib:=
+	virtual/libiconv
+	bin-symlinks? (
+		!cross-bpf-unknown-none/binutils
+		!cross-bpf-unknown-none/gcc
+	)
+"
+DEPEND="${RDEPEND}"
+
+PATCHES=()
+
+pkg_pretend() {
+	[[ ${MERGE_TYPE} == binary ]] && return
+
+	tc-is-cross-compiler &&
+		die "cross-compilation of the toolchain itself is unsupported"
+}
+
+src_prepare() {
+	# rename directories to simplify both patching and the ebuild
+	mv binutils{-${BINUTILS_PV},} || die
+	mv gcc{-${GCC_PV},} || die
+
+	default
+}
+
+src_compile() {
+	# src_compile is kept similar to dev-util/mingw64-toolchain
+	# at least for now for ease of comparison etc.
+	#
+	# not great but do everything in src_compile given bootstrapping
+	# process needs to be done in steps of configure+compile+install
+	# (done modular to have most package-specific things in one place)
+
+	CTARGET=bpf-unknown-none
+
+	BPFT_D=${T}/root # moved to ${D} in src_install
+	local bpftdir=/usr/lib/${PN}
+	local prefix=${EPREFIX}${bpftdir}
+	local sysroot=${BPFT_D}${prefix}
+	local -x PATH=${sysroot}/bin:${PATH}
+
+	use custom-cflags || strip-flags # fancy flags are not realistic here
+
+	# global configure flags
+	local conf=(
+		--build=${CBUILD:-${CHOST}}
+		--target=${CTARGET}
+		--{doc,info,man}dir=/.skip # let the real binutils+gcc handle docs
+		MAKEINFO=: #922230
+	)
+
+	# binutils
+	local conf_binutils=(
+		--prefix="${prefix}"
+		--host=${CHOST}
+		--disable-cet
+		--disable-default-execstack
+		--disable-nls
+		--disable-shared
+		--with-system-zlib
+		--without-debuginfod
+		--without-msgpack
+		--without-zstd
+	)
+
+	# gcc (minimal -- if need more, disable only in stage1 / enable in stage3)
+	local conf_gcc=(
+		--prefix="${prefix}"
+		--host=${CHOST}
+		--disable-bootstrap
+		--disable-cc1
+		--disable-cet
+		--disable-gcov #843989
+		--disable-gomp
+		--disable-nls # filename collisions
+		--disable-libcc1
+		--disable-libquadmath
+		--disable-libsanitizer
+		--disable-libssp
+		--disable-libvtv
+		--disable-shared
+		--disable-werror
+		--enable-languages=c
+		--with-gcc-major-version-only
+		--with-system-zlib
+		--without-isl
+		--without-zstd
+		--disable-multilib
+	)
+
+	# libstdc++ may misdetect sys/sdt.h on systemtap-enabled system and fail
+	# (not passed in conf_gcc above given it is lost in sub-configure calls)
+	local -x glibcxx_cv_sys_sdt_h=no
+
+	# bpft-build <path/package-name>
+	# -> ./configure && make && make install && bpft-package()
+	# passes conf and conf_package to configure, and users can add options
+	# through environment with e.g.
+	#	BPFT_BINUTILS_CONF="--some-option"
+	#	EXTRA_ECONF="--global-option" (generic naming for if not reading this)
+	bpft-build() {
+		local id=${1##*/}
+		local build_dir=${WORKDIR}/${1}-build
+
+		# econf is not allowed in src_compile and its defaults are
+		# mostly unused here, so use configure directly
+		local conf=( "${WORKDIR}/${1}"/configure "${conf[@]}" )
+
+		local -n conf_id=conf_${id}
+		[[ ${conf_id@a} == *a* ]] && conf+=( "${conf_id[@]}" )
+
+		local -n extra_id=BPFT_${id^^}_CONF
+		conf+=( ${EXTRA_ECONF} ${extra_id} )
+
+		einfo "Building ${id} 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="${BPFT_D}" install
+
+		declare -f bpft-${id} >/dev/null && edo bpft-${id}
+
+		popd >/dev/null || die
+	}
+
+	# build with same ordering that crossdev would do
+	bpft-build binutils
+	bpft-build gcc
+
+	if use bin-symlinks; then
+		mkdir -p -- "${BPFT_D}${EPREFIX}"/usr/bin/ || die
+		local bin
+		for bin in "${sysroot}"/bin/*; do
+			ln -rs -- "${bin}" "${BPFT_D}${EPREFIX}"/usr/bin/ || die
+		done
+	fi
+
+	# Delete libdep.a, which has a colliding name and is useless for bpf,
+	# which does not make use of cross-library dependencies: the libdep.a
+	# for the native binutils will do.
+	rm -f ${sysroot}/lib/bfd-plugins/libdep.a || die
+
+	# portage doesn't know the right strip executable to use for CTARGET
+	# and it can lead to .a mangling, notably with 32bit (breaks toolchain)
+	dostrip -x ${bpftdir}/{${CTARGET}/lib{,32},lib/gcc/${CTARGET}}
+
+	# TODO: Check if this is worth doing, it may not be
+	if use strip; then
+		einfo "Stripping ${CTARGET} static libraries ..."
+		find "${sysroot}"/{,lib/gcc/}${CTARGET} -type f -name '*.a' \
+			-exec ${CTARGET}-strip --strip-unneeded {} + || die
+	fi
+}
+
+src_install() {
+	mv "${BPFT_D}${EPREFIX}"/* "${ED}" || die
+
+	find "${ED}" -type f -name '*.la' -delete || die
+}
+
+pkg_postinst() {
+	use bin-symlinks && has_version dev-util/shadowman && [[ ! ${ROOT} ]] &&
+		eselect compiler-shadow update all
+
+	if [[ ! ${REPLACING_VERSIONS} ]]; then
+		elog "Note that this package is primarily intended for DTrace, systemd, 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/Crossdev"
+	fi
+}
+
+pkg_postrm() {
+	use bin-symlinks && has_version dev-util/shadowman && [[ ! ${ROOT} ]] &&
+		eselect compiler-shadow clean all
+}