workdir/ExternalProject/libatomic_ops/build: checking build system type... ./config.guess: unable to guess system type

[Stephan Bergmann]

On 11/06/18 19:44, Paul Menzel wrote:
> configure: error: cannot guess build type; you must specify one
> /dev/shm/libreoffice-core/external/libatomic_ops/ExternalProject_libatomic_ops.mk:19: recipe for target '/dev/shm/libreoffice-core/workdir/ExternalProject/libatomic_ops/build' failed

Looks like external/libatomic_ops/UnpackedTarball_libatomic_ops.mk 
misses a call to gb_UnpackedTarball_update_autoconf_configs.  See its 
documentation in solenv/gbuild/UnpackedTarball.mk and uses in other 
external/*/UnpackedTarball_*.mk for details.