configure_file(input : 'someinput.in',
output : 'outputsubdir',
install : false,
copy: true)
py3 = import('python3').find_python()
cfile1 = configure_file(input : 'foo.txt',
output : 'foo.h.in',
capture : true,
command : [py3, '-c', 'print("#mesondefine FOO_BAR")'])