Linux Compiling error

[Peroxide]

TFS 0.3.6pl1, no idea why it's doing this. Looked around as best as I can and saw one member had the same error and claimed they solved it yet no solution posted. Hoping you guys could help.

mv -f .deps/vocation.Tpo .deps/vocation.Po
g++ -I/usr/include/libxml2  -I/usr/include/lua5.1    -D__USE_MYSQL__      -D_THREAD_So  allocator.o baseevents.o beds.o chat.o combat.o condition.o configmanager.o connecase.o databasemanager.o databasemysql.o    depot.o exception.o fileloader.o game.o  gn.o ioguild.o iologindata.o iomap.o iomapserialize.o item.o itemattributes.o items.o t.o networkmessage.o npc.o otserv.o outfit.o outputmessage.o party.o playerbox.o playocolold.o quests.o raids.o rsa.o scheduler.o scriptmanager.o server.o sha1.o spawn.o  thing.o tile.o tools.o trashholder.o waitlist.o weapons.o vocation.o -llua5.1   -lmy-lboost_regex -lboost_thread -lgmp  -lxml2
/usr/bin/ld: connection.o: undefined reference to symbol 'pthread_mutexattr_settype@@
//lib/x86_64-linux-gnu/libpthread.so.0: error adding symbols: DSO missing from comman
collect2: error: ld returned 1 exit status
make[1]: *** [theforgottenserver] Error 1
make[1]: Leaving directory `/home/otsmanager/forgottenserver/hwhwha/0.3.6pl1'
make: *** [all] Error 2

http://pastebin.com/9pG4Ge0H