gimp-lensfun failed to build from source in Fedora rawhide/f31
For details on the mass rebuild see:
Please fix gimp-lensfun at your earliest convenience and set the bug's status to
ASSIGNED when you start fixing it. If the bug remains in NEW state for 8 weeks,
gimp-lensfun will be orphaned. Before branching of Fedora 32,
gimp-lensfun will be retired, if it still fails to build.
For more details on the FTBFS policy, please visit:
Created attachment 1596243 [details]
Created attachment 1596244 [details]
file root.log too big, will only attach last 32768 bytes
Created attachment 1596245 [details]
This build error is fixed by the patch at /home/gwhite/rpmbuild/SRPMS/gimp-lensfun-0.2.4-12.fc30.src.rpm
I will build a new version in due course including that patch.
Apologies, cut-and-paste error above...
This build error is fixed by the patch at https://github.com/seebk/GIMP-Lensfun/pull/27/commits/ca4511c1a4dd8edabe86e4a943861fda07b7e86c
Fixed with spec file update  and associated patch 
Successful build 
Patch has been accepted and merged into upstream master  but not yet released.
P.S. upstream has a branch for gimp 2.10 development work but this is yet to be merged and released.