Release Notes for the Advance Toolchain 14.0-0
Features in 14.0-0
- The Advance Toolchain is a self contained toolchain which isn't reliant on the base system toolchain.
- Base toolchain packages:
- GNU Binutils - 2.35.0-0d358eaf9a38 online docs
- Expat XML Parser - 2.2.9-990e3d07eaa1 online docs
- GCC (GNU Compiler Collection) - 10.2.1-30ffe7eef838 [C, C++ (g++), fortran, Go] online docs
- GNU Standard C++ Library v3 (Libstdc++-v3) - 10.2.1-30ffe7eef838 online docs
- GNU Libgomp - 10.2.1-30ffe7eef838 online docs
- GNU C Library - 2.32-3de512be7ea6 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 - 1.0.15-1031321fa9d2 online docs
- Libhugetlbfs - 2.22-e6499ff92b4a online docs
- Libvecpf - 1.1.0 online docs
- Open Secure Sockets Layer - 1.1.1g-46a9ee8c796c online docs
- IBM Power Architecture Facilities Library - 0.3.0-cbb41aa0538a online docs
- Power Vector Library - 1.0.3-76ca105829a3 online docs
- Python - 3.8.5-0a5b30d98913 online docs
- TCMalloc - 2.8-bda3c82e1161 online docs
- ZLIB Compression Library - 1.2.11-ba9df2111e9c online docs
- Development tools:
- GDB (GNU Debugger) - 9.2-7c9251b0d131 online docs
- Additional performance and debugging tools:
- Valgrind - 3.15.0-6052ee66a0cf online docs
- Additional multi core support libraries:
- Boost - 1.73.0 online docs
- SPHDE - 1.4.0-6a630fad0fbe online docs
- Userspace RCU - 0.12.1-d5277e807192 online docs
- Thread Building Blocks - 2020.3-eca91f16d749 online docs
- POWER10 enablement.
- POWER9 enablement.
- POWER9 optimized scheduler.
- Requires at least POWER8 for ppc64le.
- POWER8 Transactional Memory enablement.
- POWER8 Crypto Operations enablement.
- POWER8, POWER9, and POWER10 optimized system libraries.
- POWER9 _Float128 enablement as specified by ISO/IEC TS 18661-3.
- GCC creates binaries using --mcpu=power8 --mtune=power9 by default.
- Support for Ubuntu 20.04.
- GCC provides:
- Version 10.2, see the release notes for details.
- MMA support, see the list of functions for details.
- GNU C Library provides:
- Version 2.32, see the release notes for details.
- Binutils provides:
- Version 2.35, see the release notes for details.
- GNU Debugger provides:
- Version 9.2, see the release notes for details.
- Userspace RCU provides:
- Version 0.12.1, see the release notes for details.
- OpenSSL provides:
- Version 1.1.1g, see the release notes for details.
- Expat provides:
- Version 2.2.9, see the release notes for details.
- Libhugetlbfs provides:
- Version 2.22, see the release notes for details.
- Python provides:
- Version 3.8.5, see the release notes for details.
- Boost provides:
- Version 1.73.0, see the release notes for details.
- libdfp provides:
- Version 0.15.0, see the release notes for details.
- Valgrind provides:
- Version 3.15.0, see the release notes for details.
- TCMalloc provides:
- Version 2.8.0, see the release notes for details.
- TBB provides:
- Version 2020.3, see the release notes for details.
- zlib provides:
- Add optimizations for Power.
- Provides a new component: NX zlib compliant software (libnxz).
- GCC provides:
- Fix for gcc looks for C++ attributes in the wrong place in a lambda-expression.
- Fix for enum class bitfield size-checking needs a separate warning flag controlling it.
- Fix for std::locale::classic() Needless Race.
- Fix for ICE in resolve_component, at fortran/resolve.c:13696.
- Fix for ICE in curr_insn_transform, at lra-constraints.c:3892.
- Fix for error: unrecognizable insn on ppc64le.
- Fix for ICE: Segmentation fault signal terminated program cc1plus, with -std=c++2a -fconcepts.
- Fix for PowerPC vec_xl_len should take const.
- Fix for ubsan does not work with openmp default (none) directive.
- Fix for Doc typos in __builtin_crypto_vpmsum*.
- Fix for Debug mode: there is a racing condition between destructors of iterator and the associated container..
- Fix for error in update of gcc.target/powerpc/pr72804.c in r277872.
- Fix for Documentation ambiguous/misleading about interplay of optimization and warning flags.
- Fix for Inappropriate comment for std::ios_base::trunc.
- Fix for frename-registers does not work well with __builtin_return.
- Fix for std::discrete_distribution's operator>> causes OOM.
- Fix for std::filesystem::path::generic_string doesn't convert the first slash on Windows.
- Fix for libstdc++ wrongly uses direct clock_gettime syscall on non-glibc, breaks time64.
- Fix for points-to wrong for integer offsetting and field-sensitive analysis.
- Fix for ICE in oacc_code_to_statement, at fortran/openmp.c:6007.
- Fix for OpenMP target teams distribute parallel for with defaultmap not mapping correctly.
- Fix for ICE in simd_clone_struct_copy, at omp-simd-clone.c:84.
- Fix for __builtin_convertvector doesn't mark input as used.
- Fix for infinite loop building ghostscript and icu with -O3 on powerpc64le-linux-gnu.
- Fix for fortran.dg/minlocval_4.f90 fails on power 9 after r10-4161.
- Fix for GCC adds unwanted nops to align loops on powerpc 8xx since r9-1623.
- Fix for PPC64 builtin vec_rlnm() argument order is wrong..
- Fix for Incorrect DW_AT_location generated for copy-constructed function argument.
- Fix for r10-6762 breaks gcc.target/powerpc/fold-vec-st-*.c test cases.
- Fix for ICE using lambda capture in openMP parallel for reduction.
- Fix for PowerPC vec_extract with variable element number has code regressions for V2DI/V2DF vectors.
- Fix for std::to_address doesn't work with past-the-end Debug Mode iterators.
- Fix for Problematic ld_date configure check.
- Fix for gcc.target/powerpc/pr72804.c fails.
- Fix for pr71109.c -fcompare-debug failures on x86_64 and powerpc64le.
- Fix for std::experimental::net::v1::make_service function template not instantiatable.
- Fix for Wrong optimization: memset of n-bit integer types (from bit-fields) is truncated to n bits (instead of sizeof).
- Fix for gfortran 8/9 reject module procedure definition in same module as function interface.
- Fix for Missing c++ debug information for 'auto&' return type.
- Fix for ICE in tsubst_expr, at cp/pt.c:18181.
- Fix for Logical operator inside fold-expression: strange warning.
- Fix for r9-8486 causes several builtin instruction test case execution failures on power 9.
- GNU C Library provides:
- Fix for (CVE-2020-1752) 'glob' use-after-free bug (CVE-2020-1752).
- Fix for (CVE-2020-1751) Array overflow in backtrace on powerpc (CVE-2020-1751).
- Fix for configure: broken detection of STT_GNU_IFUNC when GCC defaults to PIE.
- Fix for system() returns wrong errors when posix_spawn fails.
- Fix for Incorrect prctl.
- Fix for Bad LOADARGS_N.
- Binutils provides:
- Fix for nm should not mark symbols in .init_array as "t".
- Fix for nm reports data variable as "T" with -flto.
- Fix for objcopy : free() invalid pointer in _bfd_coff_free_symbols.
- Fix for ar and ranlib should not call lto-wrapper for LTO bytecode.
- Fix for error: PHDR segment not covered by LOAD segment.
- Fix for nm shows symbol as 'U' while showed as 'T'.
- Fix for powerpc64-unknown-linux-gnu-ld overflows string buffer in --stats mode.
- Fix for powerpc64-ld infinite loop
- Python provides:
- Adding the following flags when building python: --enable-optimizations and --with-lto
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 14.0-0
Previous releases
New features in 13.0-2
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/at14.0.repo
and add the following content:
# Begin of configuration file [at14.0] 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-at14.0-runtime / advance-toolchain-at14.0-devel / advance-toolchain-at14.0-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-at14.0-runtime-14.0-0 advance-toolchain-at14.0-devel-14.0-0 advance-toolchain-at14.0-perf-14.0-0 advance-toolchain-at14.0-mcore-libs-14.0-0 advance-toolchain-at14.0-runtime-at13.0-compat-14.0-0
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-at14.0-runtime-14.0-0.ppc64.rpm \ advance-toolchain-at14.0-devel-14.0-0.ppc64.rpm \ advance-toolchain-at14.0-perf-14.0-0.ppc64.rpm \ advance-toolchain-at14.0-mcore-14.0-0.ppc64.rpm \ advance-toolchain-at14.0-runtime-at13.0-compat-14.0-0.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/at14.0/share/zoneinfo to /opt/at14.0/etc/localtime
- advance-toolchain-at14.0-runtime-compat-14.0-0: 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-at14.0-runtime-compat-14.0-0 in order to get the Advance Toolchain runtime libraries.
Installation of the cross-compiler (x86)
You can download advance-toolchain-at14.0-cross-14.0-0 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-at14.0-src-14.0-0.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)
- Userspace RCU (LGPL 2.1)
- Valgrind (GPL 2.0)
- libnxz (GPL 2.0)
Boost
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"Work" shall mean the work of authorship, whether in Source or Object form, made available under the License, as indicated by a copyright notice that is included in or attached to the work (an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object form, that is based on (or derived from) the Work and for which the editorial revisions, annotations, elaborations, or other modifications represent, as a whole, an original work of authorship. For the purposes of this License, Derivative Works shall not include works that remain separable from, or merely link (or bind by name) to the interfaces of, the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including the original version of the Work and any modifications or additions to that Work or Derivative Works thereof, that is intentionally submitted to Licensor for inclusion in the Work by the copyright owner or by an individual or Legal Entity authorized to submit on behalf of the copyright owner. For the purposes of this definition, "submitted" means any form of electronic, verbal, or written communication sent to the Licensor or its representatives, including but not limited to communication on electronic mailing lists, source code control systems, and issue tracking systems that are managed by, or on behalf of, the Licensor for the purpose of discussing and improving the Work, but excluding communication that is conspicuously marked or otherwise designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity on behalf of whom a Contribution has been received by Licensor and subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare Derivative Works of, publicly display, publicly perform, sublicense, and distribute the Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable (except as stated in this section) patent license to make, have made, use, offer to sell, sell, import, and otherwise transfer the Work, where such license applies only to those patent claims licensable by such Contributor that are necessarily infringed by their Contribution(s) alone or by combination of their Contribution(s) with the Work to which such Contribution(s) was submitted. If You institute patent litigation against any entity (including a cross-claim or counterclaim in a lawsuit) alleging that the Work or a Contribution incorporated within the Work constitutes direct or contributory patent infringement, then any patent licenses granted to You under this License for that Work shall terminate as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the Work or Derivative Works thereof in any medium, with or without modifications, and in Source or Object form, provided that You meet the following conditions:
- You must give any other recipients of the Work or Derivative Works a copy of this License; and
- You must cause any modified files to carry prominent notices stating that You changed the files; and
- You must retain, in the Source form of any Derivative Works that You distribute, all copyright, patent, trademark, and attribution notices from the Source form of the Work, excluding those notices that do not pertain to any part of the Derivative Works; and
- If the Work includes a "NOTICE" text file as part of its distribution, then any Derivative Works that You distribute must include a readable copy of the attribution notices contained within such NOTICE file, excluding those notices that do not pertain to any part of the Derivative Works, in at least one of the following places: within a NOTICE text file distributed as part of the Derivative Works; within the Source form or documentation, if provided along with the Derivative Works; or, within a display generated by the Derivative Works, if and wherever such third-party notices normally appear. The contents of the NOTICE file are for informational purposes only and do not modify the License. You may add Your own attribution notices within Derivative Works that You distribute, alongside or as an addendum to the NOTICE text from the Work, provided that such additional attribution notices cannot be construed as modifying the License.
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.
5. Submission of Contributions. Unless You explicitly state otherwise, any Contribution intentionally submitted for inclusion in the Work by You to the Licensor shall be under the terms and conditions of this License, without any additional terms or conditions. Notwithstanding the above, nothing herein shall supersede or modify the terms of any separate license agreement you may have executed with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade names, trademarks, service marks, or product names of the Licensor, except as required for reasonable and customary use in describing the origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or agreed to in writing, Licensor provides the Work (and each Contributor provides its Contributions) on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are solely responsible for determining the appropriateness of using or redistributing the Work and assume any risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory, whether in tort (including negligence), contract, or otherwise, unless required by applicable law (such as deliberate and grossly negligent acts) or agreed to in writing, shall any Contributor be liable to You for damages, including any direct, indirect, special, incidental, or consequential damages of any character arising as a result of this License or out of the use or inability to use the Work (including but not limited to damages for loss of goodwill, work stoppage, computer failure or malfunction, or any and all other commercial damages or losses), even if such Contributor has been advised of the possibility of such damages.
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
NX GZIP 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
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction, and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all other entities that control, are controlled by, or are under common control with that entity. For the purposes of this definition, "control" means (i) the power, direct or indirect, to cause the direction or management of such entity, whether by contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications, including but not limited to software source code, documentation source, and configuration files.
"Object" form shall mean any form resulting from mechanical transformation or translation of a Source form, including but not limited to compiled object code, generated documentation, and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or Object form, made available under the License, as indicated by a copyright notice that is included in or attached to the work (an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object form, that is based on (or derived from) the Work and for which the editorial revisions, annotations, elaborations, or other modifications represent, as a whole, an original work of authorship. For the purposes of this License, Derivative Works shall not include works that remain separable from, or merely link (or bind by name) to the interfaces of, the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including the original version of the Work and any modifications or additions to that Work or Derivative Works thereof, that is intentionally submitted to Licensor for inclusion in the Work by the copyright owner or by an individual or Legal Entity authorized to submit on behalf of the copyright owner. For the purposes of this definition, "submitted" means any form of electronic, verbal, or written communication sent to the Licensor or its representatives, including but not limited to communication on electronic mailing lists, source code control systems, and issue tracking systems that are managed by, or on behalf of, the Licensor for the purpose of discussing and improving the Work, but excluding communication that is conspicuously marked or otherwise designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity on behalf of whom a Contribution has been received by Licensor and subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare Derivative Works of, publicly display, publicly perform, sublicense, and distribute the Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable (except as stated in this section) patent license to make, have made, use, offer to sell, sell, import, and otherwise transfer the Work, where such license applies only to those patent claims licensable by such Contributor that are necessarily infringed by their Contribution(s) alone or by combination of their Contribution(s) with the Work to which such Contribution(s) was submitted. If You institute patent litigation against any entity (including a cross-claim or counterclaim in a lawsuit) alleging that the Work or a Contribution incorporated within the Work constitutes direct or contributory patent infringement, then any patent licenses granted to You under this License for that Work shall terminate as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the Work or Derivative Works thereof in any medium, with or without modifications, and in Source or Object form, provided that You meet the following conditions:
- You must give any other recipients of the Work or Derivative Works a copy of this License; and
- You must cause any modified files to carry prominent notices stating that You changed the files; and
- You must retain, in the Source form of any Derivative Works that You distribute, all copyright, patent, trademark, and attribution notices from the Source form of the Work, excluding those notices that do not pertain to any part of the Derivative Works; and
- If the Work includes a "NOTICE" text file as part of its distribution, then any Derivative Works that You distribute must include a readable copy of the attribution notices contained within such NOTICE file, excluding those notices that do not pertain to any part of the Derivative Works, in at least one of the following places: within a NOTICE text file distributed as part of the Derivative Works; within the Source form or documentation, if provided along with the Derivative Works; or, within a display generated by the Derivative Works, if and wherever such third-party notices normally appear. The contents of the NOTICE file are for informational purposes only and do not modify the License. You may add Your own attribution notices within Derivative Works that You distribute, alongside or as an addendum to the NOTICE text from the Work, provided that such additional attribution notices cannot be construed as modifying the License.
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.
5. Submission of Contributions. Unless You explicitly state otherwise, any Contribution intentionally submitted for inclusion in the Work by You to the Licensor shall be under the terms and conditions of this License, without any additional terms or conditions. Notwithstanding the above, nothing herein shall supersede or modify the terms of any separate license agreement you may have executed with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade names, trademarks, service marks, or product names of the Licensor, except as required for reasonable and customary use in describing the origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or agreed to in writing, Licensor provides the Work (and each Contributor provides its Contributions) on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are solely responsible for determining the appropriateness of using or redistributing the Work and assume any risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory, whether in tort (including negligence), contract, or otherwise, unless required by applicable law (such as deliberate and grossly negligent acts) or agreed to in writing, shall any Contributor be liable to You for damages, including any direct, indirect, special, incidental, or consequential damages of any character arising as a result of this License or out of the use or inability to use the Work (including but not limited to damages for loss of goodwill, work stoppage, computer failure or malfunction, or any and all other commercial damages or losses), even if such Contributor has been advised of the possibility of such damages.
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