https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97302
--- Comment #3 from Thomas Koenig <tkoenig at gcc dot gnu.org> --- Comment on attachment 49313 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49313 configure.ac patch Seems to work, at least the compilation is proceeding now. Thanks for the quick fix!