Sounds good. I've struggled with GCC 4 compatibility workarounds lately as well, so would be nice to cut out that surface area.
-Todd On Mon, Apr 13, 2020 at 11:39 AM Bankim Bhavsar <ban...@cloudera.com.invalid> wrote: > LGTM. > > Bankim > > On Sun, Apr 12, 2020 at 10:48 AM Grant Henke <granthe...@apache.org> > wrote: > > > Hello Kudu Developers, > > > > As we approach the 1.12.0 release I think now is a good opportunity to > > evaluate the platform versions > > we support. Doing so before the 1.12.0 release is useful because it will > > allow us to mark any OS we > > intend to drop as deprecated. This is similar to how we have handled Java > > version support in the past. > > > > The primary goal of dropping older OS versions is to remove OS versions > > that are nearing EOL and > > to bump the minimum required gcc version allowing the use of C++ 14 > > features. However, some > > additional benefits include: > > > > - Updating the list of OS versions we test and support (including > newer > > OS versions) > > - Aligning more closely with Impala given they are the main consumer > of > > the C++ client (thread > > < > > > https://lists.apache.org/thread.html/r19b95826b59486d61c1f8f5c1edd93adb8ec9925f66ff42c0c103d66%40%3Cdev.impala.apache.org%3E > > > > > ) > > - Allow the use of Abseil <https://abseil.io/> which various Kudu > > contributors have suggested bringing into Kudu > > - A first step towards supporting C++17 > > > > With that said I propose we mark the following OS versions as deprecated > in > > the 1.12.0 release > > and consider dropping them in the next minor release: > > > > - CentOS/RHEL 6 - EOL November 30, 2020 > > < > > > https://wiki.centos.org/FAQ/General#What_is_the_support_.27.27end_of_life.27.27_for_each_CentOS_release.3F > > > > > - Debian 8 - EOL June 30, 2020 <https://wiki.debian.org/LTS> > > - Ubuntu 14 - EOL April 30, 2020 <https://wiki.ubuntu.com/Releases> > > > > This means that our minimum gcc version could be 5.3+ and the list of > > supported OS versions would be: > > > > - CentOS 6 (deprecated) > > - CentOS 7 (with devtoolset gcc) > > - CentOS 8 > > - RHEL 6 (deprecated) > > - RHEL 7 (with devtoolset gcc) > > - RHEL 8 > > - Ubuntu 14.04 (deprecated) > > - Ubuntu 16.04 > > - Ubuntu 18.04 > > - Debian 8 (deprecated) > > - Debian 9 > > - SLES 12 (with toolchain gcc) > > > > Please provide your feedback, suggestions, or agreement on this proposal. > > > > Thank you, > > Grant > > > -- Todd Lipcon Software Engineer, Cloudera
