print "Checking for GSL..\n";

chomp(my $gv         = qx{gsl-config --version});
chomp(my $gsl_prefix = qx{gsl-config --prefix});
chomp(my $gsl_cflags = qx{gsl-config --cflags});
chomp(my $gsl_libs   = qx{gsl-config --libs});