-- Build files have been written to: /<<PKGBUILDDIR>>/obj-i686-linux-gnu
make[1]: Leaving directory '/<<PKGBUILDDIR>>'
   debian/rules override_dh_auto_build-arch
make[1]: Entering directory '/<<PKGBUILDDIR>>'
sed -i '/^#define PACKAGE_SOUND_DIR/s@^@//@' obj-i386-linux-gnu/config.h
sed: can't read obj-i386-linux-gnu/config.h: No such file or directory

to fix FTBFS on arch:any builds

-- Performing Test SUGGEST_OVERRIDE
-- Performing Test SUGGEST_OVERRIDE - Success
-- Found Git: /usr/share/bctoolbox/upstream-version-from-changelog
CMake Error at /usr/share/cmake-3.24/Modules/FindPackageHandleStandardArgs.cmake:230 (message):
  Could NOT find Doxygen (missing: DOXYGEN_EXECUTABLE)
Call Stack (most recent call first):
  /usr/share/cmake-3.24/Modules/FindPackageHandleStandardArgs.cmake:594 (_FPHSA_FAILURE_MESSAGE)
  /usr/share/cmake-3.24/Modules/FindDoxygen.cmake:646 (find_package_handle_standard_args)
  coreapi/help/doc/doxygen/CMakeLists.txt:24 (find_package)

Upstream tarballs are no longer signed.  We keep the key in case
it ever becomes needed again.

A GPL-3+ license grant was added to
coreapi/plugins/buddylookup/src/lookup.c

Start documenting the situation for reference.