>>>>> "Ralf" == Ralf Wildenhues <Ralf.Wildenhues@gmx.de> writes: Ralf> - gdb: replace obsolete macros with AC_USE_SYSTEM_EXTENSIONS. Ralf> This change needs to come at the same time as the Autoconf update, Ralf> as it assumes newer Autoconf semantics to properly replace the Ralf> other macros. This part is ok. Thanks for taking on this project. Tom