[Freeswitch-users] Cannot compile 1.2.10 on amd64

Hi, I'm trying to compile 1.2.10 on amd64 debian 6 stable, but there seems to be some problem with apr: locks/unix/proc_mutex.c: In function ‘proc_mutex_proc_pthread_create’: locks/unix/proc_mutex.c:338: error: ‘PTHREAD_PRIO_INHERIT’ undeclared (first use in this function) locks/unix/proc_mutex.c:338: error: (Each undeclared identifier is reported only once locks/unix/proc_mutex.c:338: error: for each function it appears in. configured with ./configure --build=amd64 On 32-bit everything compiled ok. Some hint? Mino