error building gcr

/home/aaryan/jhbuild/checkout/gcr/ui/gcr-ui.h:56: syntax error, unexpected identifier in '#undef __GCR_INSIDE_HEADER__' at 'undef'
  GICOMP   GcrUi-3.gir
 VAPIGEN gcr-ui-3.vapi
GcrUi-3.gir:1623.5-1625.58: error: `Gcr' already contains a definition for `UNLOCK_OPTION_IDLE'
gcr-3.vapi:430.2-430.40: note: previous definition of `UNLOCK_OPTION_IDLE' was here
make[2]: *** [gcr-ui-3.vapi] Error 1
make[2]: *** Waiting for unfinished jobs....
make[2]: Leaving directory `/home/aaryan/jhbuild/checkout/gcr'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/aaryan/jhbuild/checkout/gcr'
make: *** [all] Error 2
***