Fix gensymbol script

exports/gensymbol

@@ -3411,13 +3411,17 @@
 );
 
 
+use File::Spec;
+use File::Basename;
+my $dirname = File::Spec->catfile(dirname(dirname(File::Spec->rel2abs(__FILE__))), "lapack-netlib");
+
 if ($ARGV[8] == 1) {
     #ONLY_CBLAS=1
     @underscore_objs = (@misc_underscore_objs);
 } elsif ($ARGV[5] == 1) {
     #NO_LAPACK=1
     @underscore_objs = (@blasobjs, @misc_underscore_objs);
-} elsif (-d "../lapack-netlib") {
+} elsif (-d $dirname) {
     if ($ARGV[7] == 0) {
         # NEED2UNDERSCORES=0
         # Don't need 2 underscores