gcc-14 build fix
src/int/term_title.c: : fix build against -std=c23 (`void (*)()`) changed the meaning)
gcc-15 build fix
Fix build against ncurses-6.5
mikmod: fix startup crash on _FROTIFY_SOURCE=3 systems
src/base/omx_base_component.c: fix stack overread
Possible fix where optional .cxx dependency is moved out to a separate rule.
opensp-1.5.2 build fails with make-4.3.90 (make behavior change)