What I tried is the following:

dub init test vibe.d
cd test
dub build

... and I received the following output:vibe-d: ["vibe-d", "libevent", "openssl"]
dxmlrpc2: ["dxmlrpc2", "vibe-d", "libevent", "openssl"]
Target is up to date. Using existing build in /home/martin/.dub/packages/vibe-d-0.7.19/.dub/build/libevent-debug-linux.posix-x8664-dmd-AB0707232CA963B5DA23C2232BBED51B/. Use --force to force a rebuild.
Building dxmlrpc2 configuration "application", build type debug.
Compiling...
Linking...
../.dub/packages/vibe-d-0.7.19/libvibe-d.a(libevent227ee5d7.o): In function `D4vibe4core7drivers9libevent215Libevent2Driver6ctorMFC4vibe4core6driver10DriverCoreZC4vibe4core7drivers9libevent215Libevent2Driver':
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2.d:88: undefined reference to `event_set_mem_functions'
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2.d:97: undefined reference to `evthread_set_lock_callbacks'
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2.d:105: undefined reference to `evthread_set_condition_callbacks'
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2.d:107: undefined reference to `evthread_set_id_callback'
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2.d:114: undefined reference to `evthread_make_base_notifiable'
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2.d:116: undefined reference to `evdns_base_new'
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2.d:123: undefined reference to `evdns_base_load_hosts'
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2.d:127: undefined reference to `event_new'
../.dub/packages/vibe-d-0.7.19/libvibe-d.a(libevent2_27ee_5d7.o): In function `_D4vibe4core7drivers9libevent215Libevent2Driver6dtorMFZv':
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2.d:134: undefined reference to event_free'<br>/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2.d:158: undefined reference to evdnsbasefree'
../.dub/packages/vibe-d-0.7.19/libvibe-d.a(libevent227ee5d7.o): In function _D4vibe4core7drivers9libevent215Libevent2Driver11resolveHostMFAyatbZS4vibe4core3net14NetworkAddress':<br>/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2.d:229: undefined reference to evdnsgetaddrinfo'
../.dub/packages/vibe-d-0.7.19/libvibe-d.a(libevent227ee5d7.o): In function `D4vibe4core7drivers9libevent215Libevent2Driver11resolveHostMFAyatbZS4vibe4core3net14NetworkAddress12dgliteral4MFNaNfZAxa':
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2.d:240: undefined reference to `evutil_gai_strerror'
../.dub/packages/vibe-d-0.7.19/libvibe-d.a(libevent2_27ee_5d7.o): In function `_D4vibe4core7drivers9libevent215Libevent2Driver10connectTCPMFS4vibe4core3net14NetworkAddressZC4vibe4core3net13TCPConnection':
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2.d:265: undefined reference to `bufferevent_socket_new'
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2.d:277: undefined reference to `bufferevent_socket_connect'
../.dub/packages/vibe-d-0.7.19/libvibe-d.a(libevent2_27ee_5d7.o): In function `_D4vibe4core7drivers9libevent215Libevent2Driver9listenTCPMFtDFC4vibe4core3net13TCPConnectionZvAyaE4vibe4core3net16TCPListenOptionsZC4vibe4core3net11TCPListener22setupConnectionHandlerFOC4vibe4core7drivers13libevent2_tcp19LibeventTCPListeneriS4vibe4core3net14NetworkAddressODFC4vibe4core3net13TCPConnectionZvZv':
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2.d:323: undefined reference to `event_new'
../.dub/packages/vibe-d-0.7.19/libvibe-d.a(libevent2_27ee_5d7.o): In function `_D4vibe4core7drivers9libevent215Libevent2Driver10onAddrInfoUNbiPS4core3sys5posix5netdb8addrinfoPvZv':
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2.d:500: undefined reference to `evutil_freeaddrinfo'
../.dub/packages/vibe-d-0.7.19/libvibe-d.a(libevent2_27f4_7cb.o): In function `_D4vibe4core7drivers9libevent220Libevent2ManualEvent6dtorMFZv14foreachbody1MFKS4vibe4core7drivers9libevent210ThreadSlotZi':
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2.d:618: undefined reference to `event_free'
../.dub/packages/vibe-d-0.7.19/libvibe-d.a(libevent2_27f4_7cb.o): In function `_D4vibe4core7drivers9libevent220Libevent2ManualEvent7acquireMFZv':
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2.d:675: undefined reference to `event_new'
../.dub/packages/vibe-d-0.7.19/libvibe-d.a(libevent2_27f4_7cb.o): In function `_D4vibe4core7drivers9libevent220Libevent2ManualEvent16onThreadShutdownMFZv':
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2.d:711: undefined reference to `event_free'
../.dub/packages/vibe-d-0.7.19/libvibe-d.a(libevent2_27f5_b0c.o): In function `_D4vibe4core7drivers9libevent228Libevent2FileDescriptorEvent6ctorMFC4vibe4core7drivers9libevent215Libevent2DriveriE4vibe4core6driver19FileDescriptorEvent7TriggerZC4vibe4core7drivers9libevent228Libevent2FileDescriptorEvent':
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2.d:759: undefined reference to event_new'<br>../.dub/packages/vibe-d-0.7.19/libvibe-d.a(libevent2_27f5_b0c.o): In function D4vibe4core7drivers9libevent228Libevent2FileDescriptorEvent6dtorMFZv':
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2.d:765: undefined reference to `eventfree'
../.dub/packages/vibe-d-0.7.19/libvibe-d.a(libevent227f6864.o): In function _D4vibe4core7drivers9libevent222Libevent2UDPConnection6__ctorMFS4vibe4core3net14NetworkAddressC4vibe4core7drivers9libevent215Libevent2DriverZC4vibe4core7drivers9libevent222Libevent2UDPConnection':<br>/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2.d:841: undefined reference to evutilinetntop'
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2.d:861: undefined reference to event_new'<br>../.dub/packages/vibe-d-0.7.19/libvibe-d.a(libevent2_tcp_2832_862.o): In function D4vibe4core7drivers13libevent2tcp22Libevent2TCPConnection6_ctorMFPS4vibe4core7drivers13libevent2tcp10TCPContextZC4vibe4core7drivers13libevent2tcp22Libevent2TCPConnection':
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2tcp.d:80: undefined reference to evutil_inet_ntop'<br>../.dub/packages/vibe-d-0.7.19/libvibe-d.a(libevent2_tcp_2832_862.o): In function D4vibe4core7drivers13libevent2tcp22Libevent2TCPConnection11readTimeoutMFNdS4core4time8DurationZv':
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2tcp.d:106: undefined reference to `buffereventsettimeouts'
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2tcp.d:110: undefined reference to bufferevent_set_timeouts'<br>../.dub/packages/vibe-d-0.7.19/libvibe-d.a(libevent2_tcp_2832_862.o): In function D4vibe4core7drivers13libevent2tcp22Libevent2TCPConnection5closeMFZv':
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2tcp.d:161: undefined reference to `buffereventflush'
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2tcp.d:163: undefined reference to `buffereventgetoutput'
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2tcp.d:164: undefined reference to evbuffer_get_length'<br>../.dub/packages/vibe-d-0.7.19/libvibe-d.a(libevent2_tcp_2832_862.o): In function D4vibe4core7drivers13libevent2tcp22Libevent2TCPConnection9leastSizeMFNdZm':
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2tcp.d:179: undefined reference to `buffereventgetinput'
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2tcp.d:181: undefined reference to evbuffer_get_length'<br>../.dub/packages/vibe-d-0.7.19/libvibe-d.a(libevent2_tcp_2832_862.o): In function D4vibe4core7drivers13libevent2tcp22Libevent2TCPConnection20dataAvailableForReadMFNdZb':
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2tcp.d:201: undefined reference to `buffereventgetinput'
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2tcp.d:201: undefined reference to evbuffer_get_length'<br>../.dub/packages/vibe-d-0.7.19/libvibe-d.a(libevent2_tcp_2832_862.o): In function D4vibe4core7drivers13libevent2tcp22Libevent2TCPConnection4peekMFZAxh':
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2tcp.d:214: undefined reference to `buffereventgetinput'
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2tcp.d:214: undefined reference to evbuffer_peek'<br>../.dub/packages/vibe-d-0.7.19/libvibe-d.a(libevent2_tcp_2832_862.o): In function D4vibe4core7drivers13libevent2tcp22Libevent2TCPConnection11waitForDataMFS4core4time8DurationZb':
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2tcp.d:247: undefined reference to `buffereventgetinput'
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2tcp.d:247: undefined reference to evbuffer_get_length'<br>/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2_tcp.d:253: undefined reference to eventnew'
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2tcp.d:267: undefined reference to evbuffer_get_length'<br>/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2_tcp.d:262: undefined reference to eventfree'
../.dub/packages/vibe-d-0.7.19/libvibe-d.a(libevent2tcp2832862.o): In function _D4vibe4core7drivers13libevent2_tcp22Libevent2TCPConnection5writeMFxAhZv':<br>/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2_tcp.d:294: undefined reference to buffereventgetoutput'
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2tcp.d:299: undefined reference to `evbuffergetlength'
../.dub/packages/vibe-d-0.7.19/libvibe-d.a(libevent2tcp2832862.o): In function _D4vibe4core7drivers13libevent2_tcp22Libevent2TCPConnection5flushMFZv':<br>/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2_tcp.d:336: undefined reference to buffereventflush'
../.dub/packages/vibe-d-0.7.19/libvibe-d.a(libevent2tcp2832862.o): In function _D4vibe4core7drivers13libevent2_tcp22Libevent2TCPConnection14checkConnectedMFbZv':<br>/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2_tcp.d:360: undefined reference to buffereventgetinput'
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2tcp.d:360: undefined reference to `evbuffergetlength'
../.dub/packages/vibe-d-0.7.19/libvibe-d.a(libevent2tcp2833766.o): In function _D4vibe4core7drivers13libevent2_tcp19LibeventTCPListener13stopListeningMFZv':<br>/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2_tcp.d:381: undefined reference to eventfree'
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2tcp.d:381: undefined reference to evutil_closesocket'<br>../.dub/packages/vibe-d-0.7.19/libvibe-d.a(libevent2_tcp_2835_3a7.o): In function D4vibe4core7drivers13libevent2tcp9onConnectUNbisPvZv10ClientTask7executeMFZv':
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2tcp.d:468: undefined reference to `buffereventsocketnew'
../.dub/packages/vibe-d-0.7.19/libvibe-d.a(libevent2tcp2837551.o): In function onSocketWrite':<br>/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2_tcp.d:568: undefined reference to buffereventflush'
../.dub/packages/vibe-d-0.7.19/libvibe-d.a(libevent2tcp2838548.o): In function onSocketEvent':<br>/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2_tcp.d:591: undefined reference to buffereventgetinput'
/home/martin/dxmlrpc/../.dub/packages/vibe-d-0.7.19/source/vibe/core/drivers/libevent2tcp.d:591: undefined reference to `evbuffergetlength'
/usr/local/lib/libeventpthreads.so: undefined reference to event_mm_malloc_'<br>/usr/local/lib/libevent_pthreads.so: undefined reference to eventmmfree'
collect2: ld returned 1 exit status
--- errorlevel 1
FAIL .dub/build/application-debug-linux.posix-x8664-dmd-F2A62ABDE6BB10DBE149845F6989EBB5 dxmlrpc2 executable
Error executing command build: Link command failed with exit code 1

Do I need to set a path to get the linking correct? It seems like the compiling the vibe.d library target was successful.

Thanks for your help!

Martin