Update 64-bit POWER support.
This update brings 64-bit POWER support in line with other distributions and removes the 32-bit POWER support. We specify clearly exactly what we support for BE and LE 64-bit POWER.
This commit is contained in:
Carlos O'Donell
parent
832f52f3cc
commit
130c4973ff
149
glibc.spec
149
glibc.spec
@ -1,6 +1,6 @@
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%define glibcsrcdir glibc-2.22-621-g90c400b
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%define glibcversion 2.22.90
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%define glibcrelease 26%{?dist}
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%define glibcrelease 27%{?dist}
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# Pre-release tarballs are pulled in from git using a command that is
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# effectively:
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#
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@ -86,18 +86,43 @@
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%define xenpackage 0
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%endif
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##############################################################################
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# For Power we actually support alternate runtimes in the same base package.
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# If we build for Power or Power64 we additionally build a power6 runtime that
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# is enabled by AT_HWCAPS selection and an alternate runtime directory.
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%ifarch ppc ppc64
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# We support only 64-bit POWER with the following runtimes:
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# 64-bit BE:
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# - Power 620 / 970 ISA (default runtime, compatile with POWER4 and newer)
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# - Provided for the large number of PowerPC G5 users.
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# - IFUNC support provides optimized core routines for POWER6,
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# POWER7, and POWER8 transparently (if not using specific runtimes
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# below)
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# - POWER6 (has power6x symlink to power6, enabled via AT_PLATFORM)
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# - Legacy for old systems. Should be deprecated at some point soon.
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# - POWER7 (enabled via AT_PLATFORM)
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# - Existing deployments.
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# - POWER8 (enabled via AT_PLATFORM)
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# - Latest generation.
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# 64-bit LE:
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# - POWER8 LE (default)
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# - Latest generation.
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#
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# No 32-bit POWER support is provided.
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#
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# There are currently no plans for POWER9 enablement, but as hardware and
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# upstream support become available this will be reviewed.
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#
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%ifarch ppc64
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# Build the additional runtimes for 64-bit BE POWER.
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%define buildpower6 1
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%define buildpower7 1
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%define buildpower8 1
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%else
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# No additional runtimes for ppc64le or ppc64p7, just the default.
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%define buildpower6 0
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%define buildpower7 0
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%define buildpower8 0
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%endif
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##############################################################################
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# Any architecture/kernel combination that supports running 32-bit and 64-bit
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# code in userspace is considered a biarch arch.
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%define biarcharches %{ix86} x86_64 ppc %{power64} s390 s390x
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%define biarcharches %{ix86} x86_64 %{power64} s390 s390x
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##############################################################################
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# If the debug information is split into two packages, the core debuginfo
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# pacakge and the common debuginfo package then the arch should be listed
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@ -111,7 +136,7 @@
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# most optimal function is selected at runtime based on the hardware that is
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# detected by glibc. The underlying support for function selection and
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# execution is provided by STT_GNU_IFUNC.
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%define multiarcharches ppc %{power64} %{ix86} x86_64 %{sparc}
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%define multiarcharches %{power64} %{ix86} x86_64 %{sparc}
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##############################################################################
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# Add -s for a less verbose build output.
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%define silentrules PARALLELMFLAGS=
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@ -352,7 +377,7 @@ Conflicts: kernel < %{enablekernel}
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%ifarch %{multiarcharches}
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# Need STT_IFUNC support
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%ifarch ppc %{power64}
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%ifarch %{power64}
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BuildRequires: binutils >= 2.20.51.0.2
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Conflicts: binutils < 2.20.51.0.2
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%else
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@ -375,7 +400,7 @@ BuildRequires: binutils >= 2.17.50.0.2-5
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%endif
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BuildRequires: gcc >= 3.2.1-5
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%ifarch ppc s390 s390x
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%ifarch s390 s390x
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BuildRequires: gcc >= 4.1.0-0.17
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%endif
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%if 0%{?_enable_debug_packages}
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@ -658,20 +683,6 @@ cat /proc/meminfo
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##############################################################################
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# %%prep - Additional prep required...
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##############################################################################
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# XXX: This sounds entirely out of date, particularly in light of the fact
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# that we want to be building newer Power support. We should review this
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# and potentially remove this workaround. However it will require
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# determining which arches we support building for on our distributions.
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# ~~~
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# On powerpc32, hp timing is only available in power4/power6
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# libs, not in base, so pre-power4 dynamic linker is incompatible
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# with power6 libs.
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# ~~~
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%if %{buildpower6}
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rm -f sysdeps/powerpc/powerpc32/power4/hp-timing.[ch]
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%endif
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# Make benchmark scripts executable
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chmod +x benchtests/scripts/*.py scripts/pylint
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@ -747,6 +758,10 @@ GXX="g++ -m64"
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BuildFlags=""
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GCC="gcc -m64"
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GXX="g++ -m64"
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%ifarch ppc64p7
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GCC="$GCC -mcpu=power7 -mtune=power7"
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GXX="$GXX -mcpu=power7 -mtune=power7"
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%endif
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%endif
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##############################################################################
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@ -841,9 +856,6 @@ build nosegneg -mno-tls-direct-seg-refs
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if [ "$platform" != power6 ]; then
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mkdir -p power6emul/{lib,lib64}
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$GCC -shared -O2 -fpic -o power6emul/%{_lib}/power6emul.so %{SOURCE8} -Wl,-z,initfirst
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%ifarch ppc
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gcc -shared -nostdlib -O2 -fpic -m64 -o power6emul/lib64/power6emul.so -xc - </dev/null
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%endif
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%ifarch ppc64
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gcc -shared -nostdlib -O2 -fpic -m32 -o power6emul/lib/power6emul.so -xc - < /dev/null
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%endif
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@ -856,6 +868,24 @@ build nosegneg -mno-tls-direct-seg-refs
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)
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%endif # %{buildpower6}
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%if %{buildpower7}
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(
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AddOns="$AddOns --with-cpu=power7"
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GCC="$GCC -mcpu=power7 -mtune=power7"
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GXX="$GXX -mcpu=power7 -mtune=power7"
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build power7
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)
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%endif
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%if %{buildpower8}
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(
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AddOns="$AddOns --with-cpu=power8"
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GCC="$GCC -mcpu=power8 -mtune=power8"
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GXX="$GXX -mcpu=power8 -mtune=power8"
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build power8
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)
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%endif
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##############################################################################
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# Build the glibc post-upgrade program:
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# We only build one of these with the default set of options. This program
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@ -984,6 +1014,24 @@ popd
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popd
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%endif # %{buildpower6}
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%if %{buildpower7}
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%define power7_subdir power7
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%define power7_subdir_up ..
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pushd build-%{target}-power7
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destdir=$RPM_BUILD_ROOT/%{_lib}
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install_different "$destdir" "%{power7_subdir}" "%{power7_subdir_up}"
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popd
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%endif
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%if %{buildpower8}
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%define power8_subdir power8
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%define power8_subdir_up ..
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pushd build-%{target}-power8
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destdir=$RPM_BUILD_ROOT/%{_lib}
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install_different "$destdir" "%{power8_subdir}" "%{power8_subdir_up}"
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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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@ -1614,26 +1662,34 @@ parent=$$
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echo ====================TESTING=========================
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##############################################################################
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# - Test the default runtime.
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# - Power 620 / 970 ISA for 64-bit POWER BE.
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# - POWER8 for 64-bit POWER LE.
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# - ??? for 64-bit x86_64
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# - ??? for 32-bit x86
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# - ??? for 64-bit AArch64
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# - ??? for 32-bit ARM
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# - ??? for 64-bit s390x
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# - ??? for 32-bit s390
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##############################################################################
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pushd build-%{target}
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run_tests
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popd
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%if %{buildxen}
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echo ====================TESTING -mno-tls-direct-seg-refs=============
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##############################################################################
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# - Test the xen runtimes (nosegneg).
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##############################################################################
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%if %{buildxen}
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echo ====================TESTING -mno-tls-direct-seg-refs=============
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pushd build-%{target}-nosegneg
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run_tests
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popd
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%endif
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##############################################################################
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# - Test the power6 runtimes.
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##############################################################################
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%if %{buildpower6}
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echo ====================TESTING -mcpu=power6=============
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##############################################################################
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# - Test the 64-bit POWER6 BE runtimes.
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##############################################################################
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pushd build-%{target}-power6
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if [ -d ../power6emul ]; then
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export LD_PRELOAD=`cd ../power6emul; pwd`/\$LIB/power6emul.so
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@ -1641,6 +1697,27 @@ fi
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run_tests
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popd
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%endif
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%if %{buildpower7}
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echo ====================TESTING -mcpu=power7=============
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##############################################################################
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# - Test the 64-bit POWER7 BE runtimes.
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##############################################################################
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pushd build-%{target}-power7
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run_tests
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popd
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%endif
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%if %{buildpower8}
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echo ====================TESTING -mcpu=power8=============
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##############################################################################
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# - Test the 64-bit POWER8 BE runtimes.
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##############################################################################
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pushd build-%{target}-power8
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run_tests
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popd
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%endif
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echo ====================TESTING DETAILS=================
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for i in `sed -n 's|^.*\*\*\* \[\([^]]*\.out\)\].*$|\1|p' build-*-linux*/check.log`; do
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echo =====$i=====
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@ -1763,6 +1840,12 @@ rm -f *.filelist*
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%dir /%{_lib}/power6
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%dir /%{_lib}/power6x
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%endif
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%if %{buildpower7}
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%dir /%{_lib}/power7
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%endif
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%if %{buildpower8}
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%dir /%{_lib}/power8
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%endif
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%ifarch s390x
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/lib/ld64.so.1
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%endif
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@ -1854,6 +1937,10 @@ rm -f *.filelist*
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%endif
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%changelog
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* Tue Jan 12 2016 Carlos O'Donell <carlos@redhat.com> - 2.22.90-27
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- Remove 32-bit POWER support.
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- Add 64-bit POWER7 BE and 64-bit POWER8 BE optimized libraries.
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* Mon Dec 21 2015 Florian Weimer <fweimer@redhat.com> - 2.22.90-26
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- Auto-sync with upstream master.
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