Cannot compile with valac 0.12.0

Hi,
trying to compile I get this error with

./waf configure

Setting top to : /home/sava/Source/beat-box
Setting out to : /home/sava/Source/beat-box/build
Checking for 'gcc' (c compiler) : ok
Checking for program pkg-config : /usr/bin/pkg-config
Checking for 'gobject-2.0' : yes
Checking for 'gthread-2.0' : yes
Checking for program valac-0.8 : not found
Checking for program valac : /usr/bin/valac
Checking for valac version >= (0, 8, 0) : (0, 12, 0)
valac >= 0.11.6 required

My version of valac is 0.12.0 and it is >= of 0.11.6