undefined reference to `trace_qemu_anon_ram_alloc'

The latest git version (commit 6a4e17711442849bf2cc731ccddef5a2a2d92d29) fails to compile:

...
  LINK  qemu-ga
libqemuutil.a(oslib-posix.o): In function `qemu_anon_ram_alloc':
oslib-posix.c:(.text+0x154): undefined reference to `trace_qemu_anon_ram_alloc'
libqemuutil.a(oslib-posix.o): In function `qemu_anon_ram_free':
oslib-posix.c:(.text+0x1e7): undefined reference to `trace_qemu_anon_ram_free'
collect2: error: ld returned 1 exit status
make: *** [qemu-ga] Error 1

This is on Ubuntu 13.04, gcc 4.7.3, configure flags: 
'./configure' '--enable-linux-aio' '--enable-kvm' '--enable-vhost-net'