[jdk8u-dev] RFR: 8193017: Import freetype sources into OpenJDK source tree

[Jiří Vaněk]

On Tue, 28 Oct 2025 13:31:44 GMT, Jiří Vaněk <jvanek at openjdk.org> wrote:

> Hi!
> 
> I had recently hit an issue with jdk8, which, if build on old system - eg el7, it can not run GUI application on newest system like f42 or similar:
> 
> java.lang.UnsatisfiedLinkError: /usr/lib/jvm/java-1.8.0-openjdk-jdk8u462.b05-0.ojdk8~u~upstream.hotspot.release.sdk.el7.x86_64.tarxz/jre/lib/amd64/libfontmanager.so: /lib64/libharfbuzz.so.0: undefined symbol: FT_Get_Color_Glyph_Layer
> 	at java.lang.ClassLoader$NativeLibrary.load(Native Method)
> 	at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1934)
> 	at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1838)
> 	at java.lang.Runtime.loadLibrary0(Runtime.java:843)
> 	at java.lang.System.loadLibrary(System.java:1136)
> 	at sun.font.FontManagerNativeLibrary$1.run(FontManagerNativeLibrary.java:61)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at sun.font.FontManagerNativeLibrary.<clinit>(FontManagerNativeLibrary.java:32)
> 	at sun.java2d.xr.XRSurfaceData.initXRSurfaceData(XRSurfaceData.java:85)
> 	at sun.awt.X11GraphicsEnvironment$1.run(X11GraphicsEnvironment.java:137)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at sun.awt.X11GraphicsEnvironment.<clinit>(X11GraphicsEnvironment.java:74)
> 
> 
> As per investigations the issue is in duality of freetype, and is solved by `8193017: Import freetype sources into OpenJDK source tree`
> 
> This is fully based on unfinished https://github.com/openjdk/jdk8u-dev/pull/318 , with smal lexception of rebase, and docs adaptation.  The change in `doc/building.html ` is unluckily done manually, as `make update-build-docs` is regenerating half of the universum. Is it desired?  Is there some recomended version of pandoc to use?
> 
>  pandoc --version
> pandoc 3.1.11.1
> Features: +server +lua
> Scripting engine: Lua 5.4
> 
> 
> I had tested builds on windows and several linuxes, run full jtregs and checked the GUI works again. I can link full set of tests if needed (actually many of them are still running).
> 
> For record, I built by temurin build wrapper, which needed an change to adapt to this: https://github.com/adoptium/temurin-build/pull/4287

:38:43.3378937Z FAILED: gc/concurrentMarkSweep/CheckAllocateAndSystemGC.java
2025-10-28T14:38:43.3379819Z FAILED: gc/concurrentMarkSweep/SystemGCOnForegroundCollector.java

Are the failing jtregs. Do not seem to be related though

Am also digging  in 32windows time-outs, and can not see culprit.  @zzambers  any ideas?

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PR Comment: https://git.openjdk.org/jdk8u-dev/pull/709#issuecomment-3471597435