Alexandre Julliard (@julliard) commented about configure.ac:
if test "x$ac_debug_format_seen" = x then case $wine_crossdebug in
*dwarf) WINE_TRY_PE_CFLAGS([-gdwarf-4]) ;;
*dwarf) WINE_TRY_PE_CFLAGS([-gdwarf-4],[:],
[WINE_TRY_PE_CFLAGS([-gdwarf-4 -Wl,-debug:dwarf],
[AS_VAR_APPEND([${wine_arch}_CFLAGS],[" -gdwarf-4"])
AS_VAR_APPEND([${wine_arch}_LDFLAGS],[" -Wl,-debug:dwarf"])])]) ;;
This doesn't make much sense, what are you trying to do here?