s/\bepoll_sub.c\b//g;
s/\bevent-internal.h\b//g;
s/\bevsignal.h\b//g;
+ s/-Wall//;
s/^(EXTRA_DIST\s*=\s*)/$1 ev.h ev_vars.h ev_wrap.h event_compat.h ev_epoll.c ev_select.c ev_poll.c ev_kqueue.c ev_win32.c /;
s/^(include_HEADERS\s*=\s*)/$1 ev.h event_compat.h /;
s/^(libevent_la_SOURCES\s*=\s*)/$1 ev.c /;