jchristof <jchristofmartin@xxxxxxxxx> writes: > What's the proper way to provide assert customization? It appears that I > might need to provide a definition for > > void _EXFUN(__assert,(const char *, int, const char *)); > > When I do provide a definition, it isn't called. NDEBUG is not defined, so I > must be including incorrectly. This is a library question, not a gcc question. gcc does not provide <assert.h> (it used to, but it no longer does). The answer depends on the library you are using. Ian