On 24 Nov 2022 23:51, Maciej W. Rozycki wrote: > --- src.orig/gdb/configure.ac > +++ src/gdb/configure.ac > + case "${guile_version}" in > + *[[^.0-9]]*) in POSIX shell, don't you need to use ! instead of ^ ? https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_09_04_05 https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_13 -mike