There is more code in the newer version but not 4 times as much !
Harfbuzz now requires c++11 features (-std=c++11)
Possibly the C++ compiler you are using (you don't mention platform) is slower in this mode.

-phil.

On 11/17/20, 9:01 AM, Florian Weimer wrote:
* Phil Race:

This upgrades JDK to import the current 2.7.2 version of harfbuzz -
an OpenType text shaping library

https://bugs.openjdk.java.net/browse/JDK-8247872

This has passed building and headless and headful automated tests on
all platforms.
Is it just me, or does the new Harfbuzz build *significantly* slower?

It adds about 20 seconds to the build, compared to using the system
Harfbuzz, whereas before it was around 5 seconds.

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