Release Notes for the Advance Toolchain 13.0-1
Features in 13.0-1
- The Advance Toolchain is a self contained toolchain which isn't reliant on the base system toolchain.
- Base toolchain packages:
- GNU Binutils - 2.34.50-aa66aac47b4d online docs
- Expat XML Parser - 2.2.7-d3b78b42a2dc online docs
- GCC (GNU Compiler Collection) - 9.2.1-aba1f4e8b6ac [C, C++ (g++), fortran, Go] online docs
- GNU Standard C++ Library v3 (Libstdc++-v3) - 9.2.1-aba1f4e8b6ac online docs
- GNU Libgomp - 9.2.1-aba1f4e8b6ac online docs
- GNU C Library - 2.30-60c67613ea44 online docs
- GNU Multiple Precision Library - 6.1.2 online docs
- GNU MPC Library - 1.1.0-69ad1bcb8e9e online docs
- GNU MPFR Library - 4.0.2-13499 online docs
- Additional support libraries, including some additional floating point support libraries:
- Decimal Floating Point C Library - 1.0.13-e257474ab320 online docs
- Libhugetlbfs - 2.21-73d06e69108f online docs
- Libvecpf - 1.1.0 online docs
- Open Secure Sockets Layer - 1.1.1c-ed29a5f72e0d online docs
- IBM Power Architecture Facilities Library - 0.3.0-cbb41aa0538a online docs
- Power Vector Library - 1.0.2-6933cc5 online docs
- Python - 3.7.3-ef4ec6ed12d6 online docs
- TCMalloc - 2.7-9608fa3bcf80 online docs
- ZLIB Compression Library - 1.2.11-ba9df2111e9c online docs
- Development tools:
- GDB (GNU Debugger) - 8.3.1-fc94da0a253e online docs
- Additional performance and debugging tools:
- Valgrind - 3.14.0-0c701ba2a4b1 online docs
- Additional multi core support libraries:
- Boost - 1.70.0 online docs
- SPHDE - 1.4.0-6a630fad0fbe online docs
- Userspace RCU - 0.11.1-acf42845b924 online docs
- Thread Building Blocks - 2019_U8-4bdba61bafc6 online docs
- POWER9 enablement.
- POWER9 optimized scheduler.
- Requires at least POWER8 for ppc64le.
- POWER8 Transactional Memory enablement.
- POWER8 Crypto Operations enablement.
- POWER8 and POWER9 optimized system libraries.
- POWER9 _Float128 enablement as specified by ISO/IEC TS 18661-3.
- GCC creates binaries using --mcpu=power8 --mtune=power9 by default.
- GCC provides:
- brace initialization requires public destructor.
- ICE using lambda in #pragma omp declare reduction.
- enum class bitfield size-checking needs a separate warning flag controlling it.
- [C++11] std::proj returns incorrect values.
- powerpc: -flto forgets 'no-vsx' function attributes.
- boost::is_final does not work for template types.
- can construct vector with non-copyable-but-trivially-copyable elements.
- std::terminate() will happily call a null terminate handler.
- std::function and std::is_invocable_r do not understand guaranteed elision.
- ICE: verify_ssa failed (error: definition in block 2 follows the use).
- assumed rank optional.
- internal compiler error: in gfc_conv_procedure_call.
- Crash on tr2::dynamic_bitset::operator=() with optimization.
- Formatted stream IO irreproducible read with binary data in file.
- std::pmr::polymorphic_allocator<char> throws bad_alloc on macOS.
- Partial specializations of class templates with class NTTP fails.
- [[likely]]/[[unlikely]] prevent method from being a constant expression.
- ICE in IPA pass fnsummary in openmp offload.
- [C++20] template argument deduction fails for custom non-type parameters.
- CFI_address wrongly assumes that lower bounds are at zero – invalid for pointers + allocatables.
- couple of suspicious assignments in expect.c.
- internal compiler error: in convert_mpz_to_unsigned, at fortran/simplify.c:173.
- Handling of unknown attributes.
- Wrong .debug_line section information when compiling stdin input with -g3.
- P1064R0 - virtual constexpr fails if object taken from array.
- Bit-field of scoped enumeration type cannot be initialized.
- ICE in convert_nonlocal_reference_op, at tree-nested.c:1065.
- CWG1299 extend_ref_init_temps_1 punts on COND_EXPRs.
- compiler treats enum type as an integer during overload resolution when a bit-field of this enum is considered.
- Suspicious code in cgraph_edge_brings_all_agg_vals_for_node(), ipa-cp.c.
- ICE in gfc_trans_omp_atomic, at fortran/trans-openmp.c:3526.
- Side-effects dropped when decltype(nullptr) typed expression is passed to ellipsis.
- libgomp: destructor missing to delete goacc_cleanup_key.
- Bogus `-Wsuggest-attribute=cold` on function already marked as `__attribute__((cold))`.
- unused return value in affinity-fmt.c.
- [[deprecated("message")]] on template struct/class drops message.
- INQUIRE on pre-assigned files of ROUND and SIGN properties fails.
- OpenMP module description incomplete in gcc/fortran/intrinsic.texi – missing PARAMETER.
- GNU C Library provides:
- Fix for CVE-2019-19126: LD_PREFER_MAP_32BIT_EXEC not ignored in setuid binaries.
- pvalloc must not have __attribute_alloc_size__.
- login: Use pread64 in utmp implementation.
- Add nocancel version of pread64().
- login: Introduce matches_last_entry to utmp processing.
- login: pututline uses potentially outdated cache.
- Missing nonstring attributes in <utmp.h>, <utmpx.h>.
- login: Remove double-assignment of fl.l_whence in try_file_lock.
- login: Repeating pututxline on EINTR/EAGAIN causes stale utmp entries.
- login: utmp implementation uses struct flock with fcntl64.
- login: utmp alarm timer can arrive after lock acquisition.
- login: Fix updwtmp, updwtmx unlocking.
- login: Replace macro-based control flow with function calls in utmp.
- login: Assume that _HAVE_UT_* constants are true.
- Eliminate __libc_utmp_jump_table.
- misc/test-errno-linux: Handle EINVAL from quotactl.
- <string.h> does not enable const correctness for strchr et al. for Clang++.
- Disable libio vtable validation for interposed pre-2.1 stdio handles.
- strstr: Invalid result if needle crosses page on s390-z15 ifunc variant.
- glibc's __glibc_has_include causes issues with clang -frewrite-includes.
- malloc: Various cleanups for malloc/tst-mxfast.
- Add glibc.malloc.mxfast tunable.
- malloc_info() returns wrong numbers.
- [powerpc] No need to enter "Ignore Exceptions Mode".
- [powerpc] Rename fesetenv_mode to fesetenv_control.
- [powerpc] libc_feholdsetround_noex_ppc_ctx: optimize FPSCR write.
- [powerpc] Rename fegetenv_status to fegetenv_control.
- [powerpc] __fesetround_inline optimizations.
- [powerpc] libc_feupdateenv_test: optimize FPSCR access.
- [powerpc] fenv_private.h clean up.
- [powerpc] SET_RESTORE_ROUND optimizations and bug fix.
- [powerpc] fegetenv_status: simplify instruction generation.
- [powerpc] fesetenv: optimize FPSCR access.
- [powerpc] SET_RESTORE_ROUND improvements.
- [powerpc] fe{en,dis}ableexcept, fesetmode: optimize FPSCR accesses.
- [powerpc] fe{en,dis}ableexcept optimize bit translations.
- S390: Add new s390 platform z15.
- Gold missing armv8 from may_use_v5t_interworking() results in less efficient v4t stubs.
- Unintended malloc_info formatting changes.
- Make tst-strftime2 and tst-strftime3 depend on locale generation.
- Binutils provides:
- Version 2.34, see the release notes for details.
- GNU Debugger provides:
- Version 8.3.1, see the release notes for details.
- Support for RHEL 8.
- Support for SLES 15.
- Support for Ubuntu 18.04.
- Support for Debian 10.
- GCC provides:
- Version 9.2, see the release notes for details.
- GNU C Library provides:
- Version 2.30, see the release notes for details.
- Binutils provides:
- Version 2.32, see the release notes for details.
- GNU Debugger provides:
- Version 8.3, see the release notes for details.
- Userspace RCU provides:
- Version 0.11.1, see the release notes for details.
- OpenSSL provides:
- Version 1.1.1c, see the release notes for details.
- Expat provides:
- Version 2.2.7, see the release notes for details.
- Libhugetlbfs provides:
- Version 2.21, see the release notes for details.
- Python provides:
- Version 3.7.3, see the release notes for details.
- Boost provides:
- Version 1.70.0, see the release notes for details.
- Provides a new component: Power Vector Library (pveclib).
- GCC provides:
- Support for x86 SSE3 and SSSE3 intrinsics.
- Fix for testsuite test divkc3-1.c FAILs when compiling with -mabi=ieeelongdouble.
- Fix for r266868 breaks gcc.target/powerpc/undef-bool-2.c on powerpc64.
- Fix for numerous big-endian issues with compatibility implementations of vector intrinsics for powerpc.
- GNU C Library provides:
- Fix for CVE-2018-19591: if_nametoindex: Fix descriptor for overlong name.
- Fix for CVE-2016-10739: getaddrinfo: Fully parse IPv4 address strings.
- Properly cleanup if first helper thread creation failed.
- Fix misreported errno on preadv2/pwritev2.
- Do not return NULL on asprintf failure in gettext.
- Always call memcpy in _int_realloc.
- Fix pthread_rwlock_try*lock stalls.
- Avoid fork handler lock for async-signal-safe fork.
- Add compiler barriers around modifications of the robust mutex list for pthread_mutex_trylock.
- Do not send queries for non-host-names in nss_dns.
- Fix rwlock stall with PREFER_WRITER_NONRECURSIVE_NP.
- Add missing CFI register information (powerpc).
- Fix _dl_profile_fixup data-dependency issue.
- Fix use-after-free in addgetnetgrentX.
- Use correct type for si_band in siginfo_t.
- Fix race in pthread_mutex_lock while promoting to PTHREAD_MUTEX_ELISION_NP.
- Fix strstr bug with huge needles.
- Check for NULL value from gethostbyname_r.
- Fix waiters-after-spinning case .
- GNU Debugger provides:
- Version 8.2.1, see the release notes for details.
- Fix for bfd doesn't handle ELF compressed data alignment.
- GNU MPFR provides:
- Fix double-rounding bug in the internal function mpfr_set_1_2.
- Shared cache: cleanup and various improvements/corrections.
- Detect use of DBL_* macros instead of MPFR_DBL_* ones..
- Golang provides:
- Go 1.10.8.
- Fix enabling debug information.
- Use private futexes on Linux.
- Fix of OMUL should be evaluated when using soft-float.
- Prevent overflow in walkinrange.
- Move wildcard-trimming to before CheckImportPath.
- Relax pathOK check to allow any letter.
- Reject 'get' of paths containing leading dots or unsupported characters.
- Put runtime.framepointer_enabled in DATA instead of RODATA.
- Limit number of signature checks for each verification.
- Check for nil connRequest.conn before use.
- Restore r2 when restoring state from gobuf in gogo on ppc64x.
- Userspace RCU provides:
- Version 0.10.2, see the release notes for details.
- Fix: don't wait after completion of a work queue job batch.
- Fix: mixup between URCU_WORKQUEUE_RT and URCU_CALL_RCU_RT
- Valgrind provides:
- Version 3.14.0, see the release notes for details.
- Fix the generation of the manpages.
- OpenSSL provides:
- Fix for CVE-2018-0732.
- Fix for CVE-2018-0734.
- Fix for CVE-2018-0735.
- Fix for CVE-2018-5407.
- Fix for CVE-2019-1543.
- Fix for CVE-2019-1559.
- Avoid an underflow in ecp_nistp521.c.
- Fix a crash in reuse of d2i_X509_PUBKEY.
- Implement coordinate blinding for EC_POINT.
- Fix segfault in RSA_free() (and DSA/DH/EC_KEY).
Advance Toolchain new location
Since the end of August 2019, Advance Toolchain has been available from a new FTP server: public.dhe.ibm.com
Please be advised the FTP server at Unicamp won't be updated any longer.
New features in 13.0-1
Previous releases
New features in 13.0-0
New features in 12.0-1
Support
Customer support for the Advance Toolchain (AT) is provided in one of three ways:
- If you are using AT as directed by an IBM product team (ex.: IBM XL Compiler or PowerVM Lx86) please report suspected AT problems to IBM Support using that product name and entitlement.
- IBM's Support Line for Linux Offerings now provides support for the Advance Toolchain as well. If you have a contract with a Support Line for Linux, place a call to IBM Support, e.g. for United States:
- Dial 1-800-426-IBM-SERV
- Option #2 (Other business products or solutions)
- Option #2 (Software)
- Option #7 (Other OS/Linux)
- All other users can use an electronic forum that is monitored Monday through Friday. For questions regarding the use of or to report a suspected defect in AT, click here.
- Log in.
- Start a topic.
- Enter and save your question or problem.
- An initial response will be attempted within 2 business days.
Installation
The gpg public key(s) gpg-pubkey-6976a827-5164221b will be provided in the repository where these release notes were found. The pubkey(s) can be used to verify the authenticity of both the Advance Toolchain install packages and the repository contents. After downloading the gpg-pubkey(s) they can be imported as follows:
rpm --import gpg-pubkey-6976a827-5164221b
Using DNF
First, if you have never created an Advance Toolchain repository configuration file, you need to do so. Create the following file using the text editor of your choice as root:
/etc/yum.repos.d/at13.0.repo
and add the following content:
# Begin of configuration file [at13.0] name=Advance Toolchain IBM FTP baseurl=ftp://public.dhe.ibm.com/software/server/POWER/Linux/toolchain/at/redhat/RHEL8 failovermethod=priority enabled=1 gpgcheck=1 gpgkey=ftp://public.dhe.ibm.com/software/server/POWER/Linux/toolchain/at/redhat/RHEL8/gpg-pubkey-6976a827-5164221b # End of configuration file
To install execute dnf install as root:
dnf install advance-toolchain-at13.0-runtime / advance-toolchain-at13.0-devel / advance-toolchain-at13.0-perf
Answer y when DNF prompts for confirmation.
Manual installation for rpms
If you are installing the rpms manually you will need to install them in the following order (due to prerequisites):
advance-toolchain-at13.0-runtime-13.0-1 advance-toolchain-at13.0-devel-13.0-1 advance-toolchain-at13.0-perf-13.0-1 advance-toolchain-at13.0-mcore-libs-13.0-1 advance-toolchain-at13.0-runtime-at12.0-compat-13.0-1
If you are updating a previous installation, you need to update as a batch, so rpm can solve the dependencies, i.e.:
rpm -Uvh advance-toolchain-at13.0-runtime-13.0-1.ppc64.rpm \ advance-toolchain-at13.0-devel-13.0-1.ppc64.rpm \ advance-toolchain-at13.0-perf-13.0-1.ppc64.rpm \ advance-toolchain-at13.0-mcore-13.0-1.ppc64.rpm \ advance-toolchain-at13.0-runtime-at12.0-compat-13.0-1.ppc64.rpm
The rpm command should always be run as root. Failure to do so will result in an error similar to this:
error: can't create transaction lock on /var/lib/rpm/__db.000
Important notes
- Timezone files: If you need to use something different than Factory, then you should copy the timezone file you want from /opt/at13.0/share/zoneinfo to /opt/at13.0/etc/localtime
- advance-toolchain-at13.0-runtime-compat-13.0-1: DO NOT INSTALL it on RHEL7 and beyond. These are intended for runtime compatibility on RHEL6 only (see below).
Installation for runtime compatibility on previous distribution versions
Users running applications on previous distributions of SLES or RHEL may install the compatibility rpm advance-toolchain-at13.0-runtime-compat-13.0-1 in order to get the Advance Toolchain runtime libraries.
Installation of the cross-compiler (x86)
You can download advance-toolchain-at13.0-cross-13.0-1 and install in a x86 machine to build Power binaries on it. Binaries generated by the cross-compiler will run on a Power system with the same version of the Advance Toolchain installed.
back to topDocumentation
The official documentation for the Advance Toolchain is available at the IBM Power Linux Community website.
back to topLegal notices
Each component of Advance Toolchain has its own license, they are all covered by this list:
- LGPL 2.1: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html
- GPL 2.0: https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html
- GPL 3.0: https://www.gnu.org/licenses/gpl-3.0.en.html
- MIT
- BSD
- PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2
- Boost Software License 1.0
- Eclipse Public License (EPL) 1.0
- Zlib
- Apache License 2.0
The licenses for each GPL and LGPL code segment can be found in the advance-toolchain-at13.0-src-13.0-1.tgz file in the repository, the others are listed below.
In order to comply with the GPL and LGPL licenses, the source code for the following packages is available:
- binutils (GPL 2.0)
- gcc (GPL 3.0)
- gdb (GPL 2.0)
- glibc (LGPL 2.1)
- gmp (GPL 3.0)
- Threading Building Blocks (GPL 2.0)
- libdfp (LGPL 2.1)
- libhugetlbfs (LGPL 2.1)
- libvecpf (LGPL 2.1)
- linux kernel (GPL 2.0)
- mpc (GPL 3.0)
- mpfr (GPL 3.0)
- oprofile (GPL 2.0)
- Userspace RCU (LGPL 2.1)
- Valgrind (GPL 2.0)
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3. In the event Licensee prepares a derivative work that is based on or incorporates Python or any part thereof, and wants to make the derivative work available to others as provided herein, then Licensee hereby agrees to include in any such work a brief summary of the changes made to Python.
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8. By copying, installing or otherwise using Python, Licensee agrees to be bound by the terms and conditions of this License Agreement.
SPHDE (EPL)
Copyright (c) 2012 IBM Corporation
Distributed through the Eclipse Public License 1.0. The source code for this project is available on GitHub.
ZLIB Compression Library
(C) 1995-2013 Jean-loup Gailly and Mark Adler
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
PVEC Library (Apache License 2.0)
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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You may add Your own copyright statement to Your modifications and may provide additional or different license terms and conditions for use, reproduction, or distribution of Your modifications, or for any such Derivative Works as a whole, provided Your use, reproduction, and distribution of the Work otherwise complies with the conditions stated in this License.
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9. Accepting Warranty or Additional Liability. While redistributing the Work or Derivative Works thereof, You may choose to offer, and charge a fee for, acceptance of support, warranty, indemnity, or other liability obligations and/or rights consistent with this License. However, in accepting such obligations, You may act only on Your own behalf and on Your sole responsibility, not on behalf of any other Contributor, and only if You agree to indemnify, defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against, such Contributor by reason of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS