After
JDK-8280982: [Wayland] [XWayland] java.awt.Robot taking screenshots
the AIX build fails.
We get

* For target support_native_java.desktop_libawt_xawt_screencast_pipewire.o:
In file included from /aixbuild/jdk-dev/src/java.desktop/unix/native/libawt_xawt/awt/screencast_pipewire.c:33:
In file included from /aixbuild/jdk-dev/src/java.desktop/unix/native/libawt_xawt/awt/screencast_pipewire.h:40:
In file included from /aixbuild/jdk-dev/src/java.desktop/unix/native/libpipewire/include/spa/debug/types.h:17:
In file included from /aixbuild/jdk-dev/src/java.desktop/unix/native/libpipewire/include/spa/utils/type-info.h:33:
In file included from /aixbuild/jdk-dev/src/java.desktop/unix/native/libpipewire/include/spa/param/type-info.h:8:
In file included from /aixbuild/jdk-dev/src/java.desktop/unix/native/libpipewire/include/spa/param/param-types.h:50:
In file included from /aixbuild/jdk-dev/src/java.desktop/unix/native/libpipewire/include/spa/param/audio/type-info.h:8:
In file included from /aixbuild/jdk-dev/src/java.desktop/unix/native/libpipewire/include/spa/param/audio/raw-types.h:18:
/aixbuild/jdk-dev/src/java.desktop/unix/native/libpipewire/include/spa/param/audio/raw.h:15:10: fatal error: 'endian.h' file not found

I cannot find endian.h on my AIX machine.
Maybe it does not exist there, <sys/machine.h> includes some info on byte order etc. instead .
Not sure if this inclusion is needed at all on AIX.