Release Notes for the Advance Toolchain 10.0-1
Features in 10.0-1
- The Advance Toolchain is a self contained toolchain which isn't reliant on the base system toolchain.
- Base toolchain packages:
- GNU Binutils - 2.27-a617f9d online docs
- Expat XML Parser - 2.2.0 online docs
- GCC (GNU Compiler Collection) - 6.2.1-239681 [C, C++ (g++), fortran, Go] online docs
- GNU Standard C++ Library v3 (Libstdc++-v3) - 6.2.1-239681 online docs
- GNU Libgomp - 6.2.1-239681 online docs
- GNU C Library - 2.24-24033104 online docs
- GNU Multiple Precision Library - 6.1.1 online docs
- GNU MPC Library - 1.0.3 online docs
- GNU MPFR Library - 3.1.4-10201 online docs
- Additional support libraries, including some additional floating point support libraries:
- Libauxv - 1.1.0 online docs
- Decimal Floating Point C Library - 1.0.13-62cdd3a online docs
- Libhugetlbfs - 2.20-e441800 online docs
- Libvecpf - 1.1.0 online docs
- Open Secure Sockets Layer - 1.0.2j online docs
- IBM Power Architecture Facilities Library - 0.3.0-5ee1c36 online docs
- Python - 3.5.1 online docs
- TCMalloc - 2.5-632de29 online docs
- ZLIB Compression Library - 1.2.8 online docs
- Development tools:
- GDB (GNU Debugger) - 7.11.1-d03dfbf online docs
- Additional performance and debugging tools:
- Libpfm - 4.7.1-ebb8be7 online docs
- OProfile - 1.1.0-3a5515f with Java Support online docs
- Valgrind - 3.11.0-15905 online docs
- Additional multi core support libraries:
- Boost - 1.61.0 online docs
- SPHDE - 1.2.0-1504795 online docs
- Userspace RCU - 0.9.2 online docs
- Thread Building Blocks - 4.4u5-20160526 online docs
- Golang:
- Golang - 1.7-c8a901c online docs
- POWER9 enablement.
- POWER8 Optimized scheduler.
- Requires at least POWER7 for ppc64 and POWER8 for ppc64le.
- POWER8 Transactional Memory enablement.
- POWER8 Crypto Operations enablement.
- POWER8 Fusion enablement.
- POWER8 optimized system libraries.
- GCC creates binaries using --mcpu=power8 --mtune=power9 by default on ppc64le.
- Support for Go Programming Language.
- Support for split stack.
- POWER9 tuned libraries.
- The GNU C Library provides:
- POWER9 implies fixed.
- Fixes powerpc ifunc-sel.h with GCC 6 and ifunc-sel.h asm constraints and clobber list.
- Fix for argp.h overwriting GCC keywords with macros.
- Fix for objects in libc.a being overwritten in other static libraries.
- Binutils provides:
- POWER9 support matching final ISA 3.0.
- Fix for PowerPC64 ELFv1 undefined weak functions.
- Fix PowerPC64 ifunc confusion.
- Fix for powerpc apuinfo for spe parsed incorrectly.
- New gold option: -z stack-size.
- Boost provides 128 bytes of cache line for lockfree data structures.
- OpenSSL provides fixes for CVE-2016-6309 and CVE-2016-7052.
- Python fixes CVE-2016-5636: heap overflow in zipimporter module.
- Support for Ubuntu 16.04.
- GCC provides fixes for complex IEEE 128-bit floating point and support for IEEE 128-bit floating point built-ins.
- GCC creates binaries using --mcpu=power8 --mtune=power8 by default on ppc64le.
- Valgrind provides a fix for missing support for wbit field on mtfsfi instruction.
- Valgrind Itrace provides a new option to only start instruction tracing when a given function starts.
- Cross-compiler packages are now signed.
- OpenSSL provides 6 security advisories.
- GCC provides:
- Fix for PowerPC ISA 2.07 is inefficient at doint (float)(int)x.
- Fix for wrong code generation in __sync_val_compare_and_swap on PowerPC.
- Fix for libatomic fails to build with -Os on powerpc64-linux.
- Fix swap optimization on powerpc64le.
- IEEE 128-bit floating point support.
- New constraint for ISA 3.0 (power9).
- Fix for an ICE in lra_set_insn_recog_data.
- Fix code generated on big-endian with -O1 -fexpensive-optimizations.
- --mcpu=powerpc64le pass -mpower8 to gas.
- The GNU C Library provides:
- Fix CVE-2015-7547: getaddrinfo() stack-based buffer overflow.
- Fix CVE-2015-8776: out of range data to strftime() causes a segfault.
- Fix CVE-2015-8779: Multiple unbounded stack allocations in catopen().
- Fix CVE-2016-3075: Stack overflow in _nss_dns_getnetbyname_r.
- Fix resource leak in resolver.
- Valgrind provides:
- Fix for 128-bit modulo and carry calculations.
- Itrace options added to dump address information for each DSO loaded into a file.
- Boost provides mem_cache_block lockfree.
- Support for lock elision on glibc.
- Script provided to help enable lock elision at runtime.
- OpenSSL provides fixes for CVE-2016-0701 and CVE-2015-3197.
- TCMalloc fixes an occasional deadlock on CEPH.
New features in 10.0-1
Previous releases
New features in 10.0-0
New features in 9.0-3
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 6976a827-gpg.keywill be provided in the repository where these release notes were found. The public key can be used to verify the authenticity of both the Advance Toolchain install packages and the repository contents. After downloading the gpg public key, it can be imported as follows:
sudo apt-key add xxxxxxxx.gpg.key
Using aptitude or apt
If the Advance Toolchain repository has not already been configured, that must be done first. As root, edit the following file, adding one of the lines as needed for the installed system:
/etc/apt/sources.list
- For i386 or amd64 workstations add the line:
- For POWER servers (ppc64le) add the line:
deb [arch=i386] ftp://ftp.unicamp.br/pub/linuxpatch/toolchain/at/ubuntu trusty at10.0
deb ftp://ftp.unicamp.br/pub/linuxpatch/toolchain/at/ubuntu trusty at10.0
To install using aptitude:
# If the repository has just been configured, refresh the aptitude cache sudo aptitude update # Install the Advance Toolchain packages sudo aptitude install advance-toolchain-at10.0-runtime \ advance-toolchain-at10.0-devel \ advance-toolchain-at10.0-perf \ advance-toolchain-at10.0-mcore-libs
To install using apt:
#If the repository has just been configured, refresh the apt cache sudo apt-get update #Install the Advance Toolchain packages sudo apt-get install advance-toolchain-at10.0-runtime \ advance-toolchain-at10.0-devel \ advance-toolchain-at10.0-perf \ advance-toolchain-at10.0-mcore-libs
Aptitude and apt support package upgrades for new revision releases (i.e. 7.1-0 to 7.1-1). For new major releases, install as if a new installation.
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-at10.0-runtime-10.0-1 advance-toolchain-at10.0-devel-10.0-1 advance-toolchain-at10.0-perf-10.0-1 advance-toolchain-at10.0-mcore-libs-10.0-1 advance-toolchain-at10.0-runtime-at9.0-compat-10.0-1
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-at10.0-runtime-10.0-1.ppc64.rpm \ advance-toolchain-at10.0-devel-10.0-1.ppc64.rpm \ advance-toolchain-at10.0-perf-10.0-1.ppc64.rpm \ advance-toolchain-at10.0-mcore-10.0-1.ppc64.rpm \ advance-toolchain-at10.0-runtime-at9.0-compat-10.0-1.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/at10.0/share/zoneinfo to /opt/at10.0/etc/localtime
- advance-toolchain-at10.0-runtime-compat-10.0-1: 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-at10.0-runtime-compat-10.0-1 in order to get the Advance Toolchain runtime libraries.
Installation of the cross-compiler (x86)
You can download advance-toolchain-at10.0-cross-10.0-1 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
The licenses for each GPL and LGPL code segment can be found in the advance-toolchain-at10.0-src-10.0-1.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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