ardour2: missing dependency on jack

[ryandesign@…]

--->  Fetching ardour2
--->  Verifying checksum(s) for ardour2
--->  Extracting ardour2
--->  Applying patches to ardour2
--->  Configuring ardour2
--->  Building ardour2
Error: Target org.macports.build returned: shell command " cd "/mp/var/macports/build/_Users_rschmidt_macports_dports_audio_ardour2/work/ardour-2.5" && nice -n 10 scons -j3 PREFIX=/mp VST=0 AUBIO=1 FREESOUND=1 LV2=0 " returned error 1
Command output: scons: Reading SConscript files ...

scons: warning: The Options class is deprecated; use the Variables class instead.
File "/mp/var/macports/build/_Users_rschmidt_macports_dports_audio_ardour2/work/ardour-2.5/SConstruct", line 31, in <module>

scons: warning: The BoolOption() function is deprecated; use the BoolVariable() function instead.
File "/mp/var/macports/build/_Users_rschmidt_macports_dports_audio_ardour2/work/ardour-2.5/SConstruct", line 35, in <module>

scons: warning: The PathOption() function is deprecated; use the PathVariable() function instead.
File "/mp/var/macports/build/_Users_rschmidt_macports_dports_audio_ardour2/work/ardour-2.5/SConstruct", line 42, in <module>

scons: warning: The EnumOption() function is deprecated; use the EnumVariable() function instead.
File "/mp/var/macports/build/_Users_rschmidt_macports_dports_audio_ardour2/work/ardour-2.5/SConstruct", line 43, in <module>
Checking for pkg-config version >= 0.8.0... yes
Checking for aubio... yes
Checking for gthread-2.0... yes
Checking for lrdf... yes
Checking for libgnomecanvas-2.0... yes
Checking for gtk+-2.0... yes
Checking for jack... no
jack >= 0.101.1 not found.
You do not have the necessary dependencies required to build ardour
Please consult http://ardour.org/building for more information

Error: Status 1 encountered during processing.

Installing the jack port allows me to proceed further.

[devans@…]

Fixed in r51925. Thanks.