Heads up: planned Harfbuzz update in jdk11u-dev

[Severin Gehwolf]

On Fri, 2022-01-14 at 09:19 +0000, Baesken, Matthias wrote:
> For one of the next jdk11 updates, an update to a more recent harfbuzz version is planned.
> This has been done already in jdk/jdk some time ago, and was backported recently to jdk13,
> please see the harfbuzz 2.7.2 / 2.8.0 related changes done in jdk13 :
> 
> https://github.com/openjdk/jdk13u-dev/commit/e183f2d3650b6275a59d0cdd7303ca22f2ae088a
> https://github.com/openjdk/jdk13u-dev/commit/64627b5061fdd15ed52e3858cb52bb6b3b2b020b
> https://github.com/openjdk/jdk13u-dev/commit/c42c231e1dabd37ec09362291dc8141117ce0bbd
> 
> However the new harfbuzz 2.7.2 / 2.8.0 updates need C++11 support (they are built with option -std=c++11).
> So please check that
> 
> a) your toolchain supports -std=c++11 or you have the option to update your toolchain to a more recent version
> 
> 
> or as a workaround
> 
> b) check the -with-harfbuzz=system option to use another precompiled harfbuzz version from your system

Thanks for the heads-up. This will break the JDK 11u vanilla builds
which we still build on RHEL 6 which doesn't have a new enough system
compiler to support c++11. We'll look into a work-around for this.

Cheers,
Severin