Enable power10 multilib
* Mon Dec 12 2022 Tulio Magno Quites Machado Filho <tuliom@redhat.com> - 2.34-56 - Enable power10 multilib (#1870019) Resolves: #1870019
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Tulio Magno Quites Machado Filho
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46
glibc.spec
46
glibc.spec
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@ -69,6 +69,13 @@
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%undefine with_valgrind
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%endif
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# Build the POWER10 runtime on POWER, but only for downstream.
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%ifarch ppc64le
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%define buildpower10 0%{?rhel} > 0
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%else
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%define buildpower10 0
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%endif
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# The annobin annotations cause binutils to produce broken ARM EABI
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# unwinding information. Symptom is a hang/test failure for
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# malloc/tst-malloc-stats-cancellation. See
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@ -148,7 +155,7 @@ end \
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Summary: The GNU libc libraries
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Name: glibc
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Version: %{glibcversion}
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Release: 55%{?dist}
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Release: 56%{?dist}
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# In general, GPLv2+ is used by programs, LGPLv2+ is used for
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# libraries.
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@ -1688,6 +1695,15 @@ build()
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# Default set of compiler options.
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build
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%if %{buildpower10}
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(
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GCC="$GCC -mcpu=power10 -mtune=power10"
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GXX="$GXX -mcpu=power10 -mtune=power10"
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core_with_options="--with-cpu=power10"
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build power10
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)
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%endif
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##############################################################################
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# Install glibc...
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##############################################################################
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@ -1755,23 +1771,27 @@ install_different()
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mkdir -p "$destdir"
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mkdir -p "$libdestdir"
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# Walk all of the libraries we installed...
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for lib in libc math/libm nptl/libpthread rt/librt nptl_db/libthread_db
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for lib in libc math/libm
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do
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libbase=${lib#*/}
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# Take care that `libbaseso' has a * that needs expanding so
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# take care with quoting.
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libbaseso=$(basename %{glibc_sysroot}/%{_lib}/${libbase}-*.so)
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libbaseso=$(basename %{glibc_sysroot}/%{_lib}/${libbase}.so.*)
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# Only install if different from default build library.
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if cmp -s ${lib}.so ../build-%{target}/${lib}.so; then
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ln -sf "$subdir_up"/$libbaseso $libdestdir/$libbaseso
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else
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cp -a ${lib}.so $libdestdir/$libbaseso
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fi
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dlib=$libdestdir/$(basename %{glibc_sysroot}/%{_lib}/${libbase}.so.*)
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ln -sf $libbaseso $dlib
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done
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}
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%if %{buildpower10}
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pushd build-%{target}-power10
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install_different "$RPM_BUILD_ROOT/%{_libdir}/glibc-hwcaps" power10 ..
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popd
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%endif
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##############################################################################
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# Remove the files we don't want to distribute
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##############################################################################
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@ -2466,6 +2486,16 @@ pushd build-%{target}
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run_tests
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popd
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%if %{buildpower10}
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# Run this test only if the server supports Power10 instructions.
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if LD_SHOW_AUXV=1 /bin/true | grep -E "AT_HWCAP2:[^$]*arch_3_1" > /dev/null; then
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echo ====================TESTING -mcpu=power10=============
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pushd build-%{target}-power10
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run_tests
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popd
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fi
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%endif
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echo ====================TESTING END=====================
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PLTCMD='/^Relocation section .*\(\.rela\?\.plt\|\.rela\.IA_64\.pltoff\)/,/^$/p'
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echo ====================PLT RELOCS LD.SO================
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@ -2712,6 +2742,9 @@ fi
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%files -f glibc.filelist
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%dir %{_prefix}/%{_lib}/audit
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%if %{buildpower10}
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%dir /%{_libdir}/glibc-hwcaps/power10
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%endif
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%verify(not md5 size mtime) %config(noreplace) /etc/nsswitch.conf
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%verify(not md5 size mtime) %config(noreplace) /etc/ld.so.conf
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%verify(not md5 size mtime) %config(noreplace) /etc/rpc
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@ -2803,6 +2836,9 @@ fi
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%endif
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%changelog
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* Mon Dec 12 2022 Tulio Magno Quites Machado Filho <tuliom@redhat.com> - 2.34-56
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- Earlier removal of alternative multilibs (#2149994)
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* Mon Dec 12 2022 Tulio Magno Quites Machado Filho <tuliom@redhat.com> - 2.34-55
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- Earlier removal of alternative multilibs (#2149994)
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@ -18,7 +18,13 @@ set -ex
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workdir="$(mktemp -d -t find_debuginfo.XXXXXX)"
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ldso_tmp="$workdir/ld.so"
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libc_tmp="$workdir/libc.so"
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libc_tmp_dir="$workdir/"
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# Return the path where a libc should be saved temporarily. This path is
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# based on its original path received in $1.
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libc_tmp_path() {
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echo "$libc_tmp_dir"`dirname "$1"`"/libc.so"
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}
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# Prefer a separately installed debugedit over the RPM-integrated one.
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if command -v debugedit >/dev/null ; then
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@ -50,38 +56,56 @@ for ldso_candidate in `find "$sysroot_path" -maxdepth 2 \
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done
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# libc.so.6 always uses this name, so it is simpler to locate.
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libc_path=
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for libc_candidate in `find "$sysroot_path" -maxdepth 2 -name libc.so.6`; do
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if test -z "$libc_path" ; then
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libc_path="$libc_candidate"
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else
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echo "error: multiple libc.so.6 candidates: $libc_path, $libc_candidate"
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exit 1
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fi
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done
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libc_path=`find "$sysroot_path" -name libc.so.6`
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# Preserve the original files.
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cp "$ldso_path" "$ldso_tmp"
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cp "$libc_path" "$libc_tmp"
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for lib in $libc_path ; do
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libtmp=`libc_tmp_path $lib`
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mkdir -p `dirname "$libtmp"`
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cp "$lib" "$libtmp"
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done
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# Run the debuginfo extraction.
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"$script_path" "$@"
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# libc.so.6: Extract the .gnu_debuglink section
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objcopy -j.gnu_debuglink --set-section-flags .gnu_debuglink=alloc \
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-O binary "$libc_path" "$libc_tmp.debuglink"
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for lib in $libc_path ; do
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libtmp=`libc_tmp_path "$lib"`
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# libc.so.6: Extract the .gnu_debuglink section
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objcopy -j.gnu_debuglink --set-section-flags .gnu_debuglink=alloc \
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-O binary "$lib" "$libtmp.debuglink"
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# Restore the original files.
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cp "$libtmp" "$lib"
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# Restore the original files.
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# Reduce the size of libc notes. Primarily for annobin.
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objcopy --merge-notes "$lib"
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# libc.so.6: Restore the .gnu_debuglink section
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objcopy --add-section .gnu_debuglink="$libtmp.debuglink" "$lib"
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# libc.so.6: Reduce to valuable symbols. Eliminate file symbols,
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# annobin symbols, and symbols used by the glibc build to implement
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# hidden aliases (__EI_*). We would also like to remove __GI_*
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# symbols, but even listing them explicitly (as in -K __GI_strlen)
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# still causes strip to remove them, so there is no filtering of
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# __GI_* here. (Debuginfo is gone after this, so no need to optimize
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# it.)
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strip -w \
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-K '*' \
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-K '!*.c' \
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-K '!*.os' \
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-K '!.annobin_*' \
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-K '!__EI_*' \
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-K '!__PRETTY_FUNCTION__*' \
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"$lib"
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done
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# Restore the original ld.so.
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cp "$ldso_tmp" "$ldso_path"
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cp "$libc_tmp" "$libc_path"
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# Reduce the size of notes. Primarily for annobin.
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objcopy --merge-notes "$ldso_path"
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objcopy --merge-notes "$libc_path"
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# libc.so.6: Restore the .gnu_debuglink section
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objcopy --add-section .gnu_debuglink="$libc_tmp.debuglink" "$libc_path"
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# ld.so does not have separated debuginfo and so the debuginfo file
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# generated by find-debuginfo is redundant. Therefore, remove it.
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@ -98,22 +122,6 @@ for ldso_debug_candidate in `find "$sysroot_path" -maxdepth 2 \
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done
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rm -f "$ldso_debug"
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# libc.so.6: Reduce to valuable symbols. Eliminate file symbols,
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# annobin symbols, and symbols used by the glibc build to implement
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# hidden aliases (__EI_*). We would also like to remove __GI_*
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# symbols, but even listing them explicitly (as in -K __GI_strlen)
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# still causes strip to remove them, so there is no filtering of
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# __GI_* here. (Debuginfo is gone after this, so no need to optimize
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# it.)
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strip -w \
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-K '*' \
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-K '!*.c' \
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-K '!*.os' \
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-K '!.annobin_*' \
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-K '!__EI_*' \
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-K '!__PRETTY_FUNCTION__*' \
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"$libc_path"
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# ld.so: Rewrite the source file paths to match the extracted
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# locations. First compute the arguments for invoking debugedit.
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# See find-debuginfo.sh.
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