fails to build against linux 6.0.3

[cdluminate]

In file included from /<<PKGBUILDDIR>>/gloo/common/linux.cc:15:
/usr/include/linux/ethtool.h: In function ‘int gloo::getInterfaceSpeedGLinkSettings(int, ifreq*)’:
/usr/include/linux/ethtool.h:2088:17: error: flexible array member ‘ethtool_link_settings::link_mode_masks’ not at end of ‘struct gloo::getInterfaceSpeedGLinkSettings(int, ifreq*)::<unnamed>’
 2088 |         __u32   link_mode_masks[];
      |                 ^~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/gloo/common/linux.cc:197:11: note: next member ‘__u32 gloo::getInterfaceSpeedGLinkSettings(int, ifreq*)::<unnamed struct>::link_mode_data [381]’ declared here
  197 |     __u32 link_mode_data[link_mode_data_nwords];
      |           ^~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/gloo/common/linux.cc:195:10: note: in the definition of ‘struct gloo::getInterfaceSpeedGLinkSettings(int, ifreq*)::<unnamed>’
  195 |   struct {
      |          ^
make[3]: *** [gloo/CMakeFiles/gloo.dir/build.make:303: gloo/CMakeFiles/gloo.dir/common/linux.cc.o] Error 1

Things are working for 5.X~5.19, but for linux 6.0.X it suddenly got broken.