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

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

commit:     125e88989f0e0c7e012f28d7208fe4debfedc975
Author:     Sam James <sam <AT> gentoo <DOT> org>
AuthorDate: Sat Aug  9 19:35:28 2025 +0000
Commit:     Sam James <sam <AT> gentoo <DOT> org>
CommitDate: Sat Aug  9 19:37:10 2025 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=125e8898

sys-devel/bpf-toolchain: add 15.2.0_p1

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

 sys-devel/bpf-toolchain/Manifest                   |   2 +
 .../bpf-toolchain/bpf-toolchain-15.2.0_p1.ebuild   | 232 +++++++++++++++++++++
 2 files changed, 234 insertions(+)

diff --git a/sys-devel/bpf-toolchain/Manifest b/sys-devel/bpf-toolchain/Manifest
index 3669e577ce22..7e2e1b8437a1 100644
--- a/sys-devel/bpf-toolchain/Manifest
+++ b/sys-devel/bpf-toolchain/Manifest
@@ -1,3 +1,5 @@
 DIST binutils-2.44.tar.xz 27285788 BLAKE2B 0eb031ace9fb5a7047b81b5a05b1760f7d332c8ed67f98899f153a45f181b83e661a484551af05c0a9b2adc422da84619103c7b1f3c9fad5327872832b5446aa SHA512 b85d3bbc0e334cf67a96219d3c7c65fbf3e832b2c98a7417bf131f3645a0307057ec81cd2b29ff2563cec53e3d42f73e2c60cc5708e80d4a730efdcc6ae14ad7
+DIST binutils-2.45.tar.xz 27868232 BLAKE2B 1ce72346b1f531c89feb86b407e2c649151b506ffbd1a02d413411d36f7ede98fa9a1adf75dd941c01df5fe7e6bf151828b269eeb7c278315ca8004bff22eb7f SHA512 c7b10a7466d9fd398d7a0b3f2a43318432668d714f2ec70069a31bdc93c86d28e0fe83792195727167743707fbae45337c0873a0786416db53bbf22860c16ce7
 DIST gcc-14.2.0.tar.xz 92306460 BLAKE2B 87baf2a06dfa75d8fb6cd62c747ef1f57d3b9bbbe33a360d9ed3de4b4dbeaa8d920504c67e409bd9863414202c14fd854b46108e984418171205119216d03d3b SHA512 932bdef0cda94bacedf452ab17f103c0cb511ff2cec55e9112fc0328cbf1d803b42595728ea7b200e0a057c03e85626f937012e49a7515bc5dd256b2bf4bc396
 DIST gcc-15.1.0.tar.xz 98268344 BLAKE2B a902ce99db4e93615879e435bcd0b96d5a16ea0af42598ca0e6d12913b2ce3651a98574c3264b2717b848e6b5a823b403ccca0adde463938d5b41aa3f1da0d34 SHA512 ddd35ca6c653dffa88f7c7ef9ee4cd806e156e0f3b30f4d63e75a8363361285cd566ee73127734cde6a934611de815bee3e32e24bfd2e0ab9f7ff35c929821c1
+DIST gcc-15.2.0.tar.xz 101056276 BLAKE2B e270320978ca690e6e8f5ef06414dc13caf561f16403a3783c76fbf3dcee57e755a2d5bba922bf7fcae0bb6120443755d819b003791ae823d54589dd799804de SHA512 89047a2e07bd9da265b507b516ed3635adb17491c7f4f67cf090f0bd5b3fc7f2ee6e4cc4008beef7ca884b6b71dffe2bb652b21f01a702e17b468cca2d10b2de

diff --git a/sys-devel/bpf-toolchain/bpf-toolchain-15.2.0_p1.ebuild b/sys-devel/bpf-toolchain/bpf-toolchain-15.2.0_p1.ebuild
new file mode 100644
index 000000000000..13527a7f948d
--- /dev/null
+++ b/sys-devel/bpf-toolchain/bpf-toolchain-15.2.0_p1.ebuild
@@ -0,0 +1,232 @@
+# Copyright 2022-2025 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=${PV%_p*}
+BINUTILS_PV=2.45
+
+DESCRIPTION="All-in-one bpf toolchain for building DTrace and systemd without crossdev"
+HOMEPAGE="
+	https://gcc.gnu.org/
+	https://sourceware.org/binutils/
+	https://gcc.gnu.org/wiki/BPFBackEnd
+"
+SRC_URI="
+	mirror://gnu/binutils/binutils-${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 ~arm ~arm64 ~hppa ~loong ~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
+}