configure doesn't check for valac

[muelli]

config.status: creating config.h
config.status: executing po-directories commands
config.status: creating po/POTFILES
config.status: creating po/Makefile
config.status: executing depfiles commands
config.status: executing po/stamp-it commands

    nuntius 0.2.0

    prefix: /usr/local
    Vala compiler: valac
    C compiler: gcc -std=gnu99

    Now type 'make' to build nuntius

➜ nuntius-linux git:(master) ✗>make -j4
Makefile:984: warning: overriding recipe for target 'src/qrimage.c'
Makefile:935: warning: ignoring old recipe for target 'src/qrimage.c'
git.mk: Generating .gitignore
  GEN      src/resources.c
make  all-recursive
make[1]: Entering directory '/home/muelli/vcs/nuntius-linux'
Makefile:984: warning: overriding recipe for target 'src/qrimage.c'
Makefile:935: warning: ignoring old recipe for target 'src/qrimage.c'
Making all in po
make[2]: Entering directory '/home/muelli/vcs/nuntius-linux/po'
  MSGFMT sk.gmo
  MSGFMT es.gmo
  MSGFMT pl.gmo
  MSGFMT de.gmo
make[2]: Leaving directory '/home/muelli/vcs/nuntius-linux/po'
make[2]: Entering directory '/home/muelli/vcs/nuntius-linux'
Makefile:984: warning: overriding recipe for target 'src/qrimage.c'
Makefile:935: warning: ignoring old recipe for target 'src/qrimage.c'
  CC       resources.o
  VALAC    nuntius_vala.stamp
  ITMRG  data/org.holylobster.nuntius.appdata.xml
/bin/bash: valac: command not found
Makefile:1009: recipe for target 'nuntius_vala.stamp' failed
make[2]: *** [nuntius_vala.stamp] Error 127
make[2]: *** Waiting for unfinished jobs....
  VALAC    qrtest_vala.stamp
/bin/bash: valac: command not found
Makefile:940: recipe for target 'qrtest_vala.stamp' failed
make[2]: *** [qrtest_vala.stamp] Error 127
make[2]: Leaving directory '/home/muelli/vcs/nuntius-linux'
Makefile:1104: recipe for target 'all-recursive' failed
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory '/home/muelli/vcs/nuntius-linux'
Makefile:543: recipe for target 'all' failed
make: *** [all] Error 2