plots/string-pbv.gp.INPUTS: build/plot-string-pbv-varcorp.dat build/plot-string-pbv-fixcorp.dat | build
plots/string-pbv-varcorp.py.INPUTS: benchmarks/string/result-append-pbv.csv
plots/string-pbv-fixcorp.py.INPUTS: benchmarks/string/result-append-pbv.csv