--- tor-0.4.5.7/configure.ac  2021-03-15 12:42:55.000000000 +0100
+++ tor-0.4.5.7/configure.ac  2021-03-17 12:42:55.000000000 +0100

@@ -922,7 +922,7 @@ if test "$enable_static_libevent" = "yes
     fi
 fi
 
-TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $STATIC_LIBEVENT_FLAGS $TOR_LIB_IPHLPAPI $TOR_LIB_BCRYPT $TOR_LIB_WS32], [
+TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent-2.1 $STATIC_LIBEVENT_FLAGS $TOR_LIB_IPHLPAPI $TOR_LIB_BCRYPT $TOR_LIB_WS32], [
 #ifdef _WIN32
 #include <winsock2.h>
 #endif
@@ -959,8 +959,8 @@ if test "$enable_static_libevent" = "yes
    fi
 else
      if test "x$ac_cv_header_event2_event_h" = "xyes"; then
-       AC_SEARCH_LIBS(event_new, [event event_core], , AC_MSG_ERROR("libevent2 is installed but linking it failed while searching for event_new"))
-       AC_SEARCH_LIBS(evdns_base_new, [event event_extra], , AC_MSG_ERROR("libevent2 is installed but linking it failed while searching for evdns_base_new"))
+       AC_SEARCH_LIBS(event_new, [event-2.1 event_core-2.1], , AC_MSG_ERROR("libevent2 is installed but linking it failed while searching for event_new"))
+       AC_SEARCH_LIBS(evdns_base_new, [event-2.1 event_extra-2.1], , AC_MSG_ERROR("libevent2 is installed but linking it failed while searching for evdns_base_new"))
 
        if test "$ac_cv_search_event_new" != "none required"; then
          TOR_LIBEVENT_LIBS="$ac_cv_search_event_new"