Hi I’m trying to compile FS with mod_mono on gentoo… I get this error

../io-layer/.libs/libwapi.a(events.o): In function `_wapi_handle_set_signal_state':

../../mono/io-layer/handles-private.h:157: undefined reference to `mono_mutex_unlock_in_cleanup'

../io-layer/.libs/libwapi.a(handles.o): In function `_wapi_handle_new':

/root/freeswitch.trunk/libs/mono-1.1.13.8/mono/io-layer/handles.c:337: undefined reference to `mono_mutex_unlock_in_cleanup'

../io-layer/.libs/libwapi.a(handles.o): In function `_wapi_handle_new_from_offset':

/root/freeswitch.trunk/libs/mono-1.1.13.8/mono/io-layer/handles.c:426: undefined reference to `mono_mutex_unlock_in_cleanup'

/root/freeswitch.trunk/libs/mono-1.1.13.8/mono/io-layer/handles.c:480: undefined reference to `mono_mutex_unlock_in_cleanup'

../io-layer/.libs/libwapi.a(handles.o): In function `_wapi_handle_foreach':

/root/freeswitch.trunk/libs/mono-1.1.13.8/mono/io-layer/handles.c:620: undefined reference to `mono_mutex_unlock_in_cleanup'

../io-layer/.libs/libwapi.a(handles.o):/root/freeswitch.trunk/libs/mono-1.1.13.8/mono/io-layer/handles.c:662: more undefined references to `mono_mutex_unlock_in_cleanup' follow

../io-layer/.libs/libwapi.a(threads.o): In function `thread_start_routine':

/root/freeswitch.trunk/libs/mono-1.1.13.8/mono/io-layer/threads.c:181: undefined reference to `GC_pthread_detach'

../io-layer/.libs/libwapi.a(threads.o): In function `CreateThread':

/root/freeswitch.trunk/libs/mono-1.1.13.8/mono/io-layer/threads.c:309: undefined reference to `GC_pthread_create'

collect2: ld returned 1 exit status

make[4]: *** [pedump] Error 1

make[4]: Leaving directory `/root/freeswitch.trunk/libs/mono-1.1.13.8/mono/metadata'

make[3]: *** [install-recursive] Error 1

make[3]: Leaving directory `/root/freeswitch.trunk/libs/mono-1.1.13.8/mono'

make[2]: *** [install-recursive] Error 1

make[2]: Leaving directory `/root/freeswitch.trunk/libs/mono-1.1.13.8'

ERROR

make[1]: *** [depends] Error 1

make[1]: Leaving directory `/root/freeswitch.trunk/src/mod/languages/mod_mono'

make: *** [modules] Error 1

Can some please help?

Regards Martin