This is the output when I specify make:

ian@psumi:~/Downloads/Source/parole-729ced4fb521636dd32e6d178f6708ce42fd72c6$ make
(CDPATH="${ZSH_VERSION+.}:" && cd . && /bin/bash /home/ian/Downloads/Source/parole-729ced4fb521636dd32e6d178f6708ce42fd72c6/missing --run autoheader)
rm -f stamp-h1
touch config.h.in
cd . && /bin/bash ./config.status config.h
config.status: creating config.h
config.status: config.h is unchanged
make  all-recursive
make[1]: Entering directory `/home/ian/Downloads/Source/parole-729ced4fb521636dd32e6d178f6708ce42fd72c6'
Making all in data
make[2]: Entering directory `/home/ian/Downloads/Source/parole-729ced4fb521636dd32e6d178f6708ce42fd72c6/data'
Making all in interfaces
make[3]: Entering directory `/home/ian/Downloads/Source/parole-729ced4fb521636dd32e6d178f6708ce42fd72c6/data/interfaces'
exo-csource --static --strip-comments --strip-content --name=parole_ui parole.ui > parole_ui.h
/bin/bash: exo-csource: command not found
make[3]: *** [parole_ui.h] Error 127
make[3]: Leaving directory `/home/ian/Downloads/Source/parole-729ced4fb521636dd32e6d178f6708ce42fd72c6/data/interfaces'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/home/ian/Downloads/Source/parole-729ced4fb521636dd32e6d178f6708ce42fd72c6/data'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/ian/Downloads/Source/parole-729ced4fb521636dd32e6d178f6708ce42fd72c6'
make: *** [all] Error 2