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sys-libs/newlib: use dot-a.eclass
... to avoid installing broken static libraries w/ LTO. Reported by zen_desu. Signed-off-by: Sam James <sam@gentoo.org>
This commit is contained in:
Sam James
181
sys-libs/newlib/newlib-4.5.0.20241231-r1.ebuild
Normal file
181
sys-libs/newlib/newlib-4.5.0.20241231-r1.ebuild
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@@ -0,0 +1,181 @@
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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="8"
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inherit dot-a flag-o-matic toolchain-funcs
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if [[ ${PV} == "9999" ]] ; then
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EGIT_REPO_URI="https://sourceware.org/git/newlib-cygwin.git"
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inherit git-r3
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else
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SRC_URI="https://sourceware.org/pub/newlib/${P}.tar.gz"
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KEYWORDS="~amd64 ~arm ~arm64 ~hppa ~m68k ~mips ~ppc ~ppc64 ~riscv ~sparc ~x86"
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fi
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export CBUILD=${CBUILD:-${CHOST}}
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export CTARGET=${CTARGET:-${CHOST}}
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if [[ ${CTARGET} == ${CHOST} ]] ; then
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if [[ ${CATEGORY} == cross-* ]] ; then
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export CTARGET=${CATEGORY#cross-}
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fi
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fi
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DESCRIPTION="Newlib is a C library intended for use on embedded systems"
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HOMEPAGE="https://sourceware.org/newlib/"
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LICENSE="NEWLIB LIBGLOSS GPL-2"
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SLOT="0"
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IUSE="nls threads unicode headers-only nano"
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RESTRICT="strip"
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PATCHES=(
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"${FILESDIR}"/${PN}-3.3.0-no-nano-cxx.patch
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)
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NEWLIBBUILD="${WORKDIR}/build"
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NEWLIBNANOBUILD="${WORKDIR}/build.nano"
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NEWLIBNANOTMPINSTALL="${WORKDIR}/nano_tmp_install"
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CFLAGS_FULL="-ffunction-sections -fdata-sections"
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CFLAGS_NANO="-Os -ffunction-sections -fdata-sections"
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pkg_setup() {
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# Reject newlib-on-glibc type installs
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if [[ ${CTARGET} == ${CHOST} ]] ; then
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case ${CHOST} in
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*-newlib|*-elf) ;;
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*) die "Use sys-devel/crossdev to build a newlib toolchain" ;;
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esac
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fi
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case ${CTARGET} in
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msp430*)
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if ver_test $(gcc-version ${CTARGET}) -lt 10.1; then
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# bug #717610
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die "gcc for ${CTARGET} has to be 10.1 or above"
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fi
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;;
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esac
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}
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src_configure() {
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lto-guarantee-fat
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# TODO: we should fix this
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unset LDFLAGS
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CHOST=${CTARGET} strip-unsupported-flags
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CCASFLAGS_ORIG="${CCASFLAGS}"
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CFLAGS_ORIG="${CFLAGS}"
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local myconf=(
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# The top-level configure doesn't utilize this flag, but subdirs do,
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# so autodetection for econf doesn't work. Add ourselves.
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--disable-dependency-tracking
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--disable-silent-rules
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# Disable legacy syscall stub code in newlib. These have been
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# moved to libgloss for a long time now, so the code in newlib
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# itself just gets in the way.
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--disable-newlib-supplied-syscalls
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)
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[[ ${CTARGET} == "spu" ]] \
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&& myconf+=( --disable-newlib-multithread ) \
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|| myconf+=( $(use_enable threads newlib-multithread) )
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mkdir -p "${NEWLIBBUILD}"
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cd "${NEWLIBBUILD}"
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export "CFLAGS_FOR_TARGET=${CFLAGS_ORIG} ${CFLAGS_FULL}"
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export "CCASFLAGS=${CCASFLAGS_ORIG} ${CFLAGS_FULL}"
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[[ ${CTARGET} == nvptx* ]] && {
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CFLAGS_FOR_TARGET+=" -Wa,--no-verify"
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CCASFLAGS+=" -Wa,--no-verify"
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}
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ECONF_SOURCE=${S} \
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econf \
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$(use_enable unicode newlib-mb) \
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$(use_enable nls) \
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"${myconf[@]}"
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# Build newlib-nano beside newlib (original)
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# Based on https://tracker.debian.org/media/packages/n/newlib/rules-2.1.0%2Bgit20140818.1a8323b-2
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if use nano ; then
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mkdir -p "${NEWLIBNANOBUILD}" || die
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cd "${NEWLIBNANOBUILD}" || die
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export "CFLAGS_FOR_TARGET=${CFLAGS_ORIG} ${CFLAGS_NANO}"
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export "CCASFLAGS=${CCASFLAGS_ORIG} ${CFLAGS_NANO}"
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[[ ${CTARGET} == nvptx* ]] && {
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CFLAGS_FOR_TARGET+=" -Wa,--no-verify"
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CCASFLAGS+=" -Wa,--no-verify"
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}
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ECONF_SOURCE=${S} \
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econf \
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$(use_enable unicode newlib-mb) \
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$(use_enable nls) \
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--enable-newlib-reent-small \
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--disable-newlib-fvwrite-in-streamio \
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--disable-newlib-fseek-optimization \
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--disable-newlib-wide-orient \
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--enable-newlib-nano-malloc \
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--disable-newlib-unbuf-stream-opt \
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--enable-lite-exit \
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--enable-newlib-global-atexit \
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--enable-newlib-nano-formatted-io \
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"${myconf[@]}"
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fi
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}
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src_compile() {
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export "CFLAGS_FOR_TARGET=${CFLAGS_ORIG} ${CFLAGS_FULL}"
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export "CCASFLAGS=${CCASFLAGS_ORIG} ${CFLAGS_FULL}"
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[[ ${CTARGET} == nvptx* ]] && {
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CFLAGS_FOR_TARGET+=" -Wa,--no-verify"
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CCASFLAGS+=" -Wa,--no-verify"
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}
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emake -C "${NEWLIBBUILD}"
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if use nano ; then
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export "CFLAGS_FOR_TARGET=${CFLAGS_ORIG} ${CFLAGS_NANO}"
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export "CCASFLAGS=${CCASFLAGS_ORIG} ${CFLAGS_NANO}"
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[[ ${CTARGET} == nvptx* ]] && {
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CFLAGS_FOR_TARGET+=" -Wa,--no-verify"
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CCASFLAGS+=" -Wa,--no-verify"
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}
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emake -C "${NEWLIBNANOBUILD}"
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fi
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}
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src_install() {
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cd "${NEWLIBBUILD}" || die
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emake DESTDIR="${D}" install
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if use nano ; then
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cd "${NEWLIBNANOBUILD}" || die
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emake DESTDIR="${NEWLIBNANOTMPINSTALL}" install
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# Rename nano lib* files to lib*_nano and move to the real ${D}
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local nanolibfiles=""
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nanolibfiles=$(find "${NEWLIBNANOTMPINSTALL}" -regex ".*/lib\(c\|g\|m\|rdimon\|gloss\)\.a" -print)
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for f in ${nanolibfiles}; do
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local l="${f##${NEWLIBNANOTMPINSTALL}}"
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mv -v "${f}" "${D}/${l%%\.a}_nano.a" || die
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done
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# Move newlib-nano's version of newlib.h to newlib-nano/newlib.h
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mkdir -p "${ED}/usr/${CTARGET}/include/newlib-nano" || die
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mv "${NEWLIBNANOTMPINSTALL}/${EPREFIX}/usr/${CTARGET}/include/newlib.h" \
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"${ED}/usr/${CTARGET}/include/newlib-nano/newlib.h" || die
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fi
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strip-lto-bytecode
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# minor hack to keep things clean
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rm -rf "${D}"/usr/share/info || die
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rm -rf "${D}"/usr/info || die
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}
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@@ -1,9 +1,9 @@
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# Copyright 1999-2024 Gentoo Authors
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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="8"
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inherit flag-o-matic toolchain-funcs
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inherit dot-a flag-o-matic toolchain-funcs
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if [[ ${PV} == "9999" ]] ; then
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EGIT_REPO_URI="https://sourceware.org/git/newlib-cygwin.git"
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@@ -60,6 +60,7 @@ pkg_setup() {
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}
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src_configure() {
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lto-guarantee-fat
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# TODO: we should fix this
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unset LDFLAGS
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CHOST=${CTARGET} strip-unsupported-flags
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@@ -172,6 +173,8 @@ src_install() {
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"${ED}/usr/${CTARGET}/include/newlib-nano/newlib.h" || die
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fi
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strip-lto-bytecode
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# minor hack to keep things clean
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rm -rf "${D}"/usr/share/info || die
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rm -rf "${D}"/usr/info || die
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