p4raw-id: //depot/perl@12708
### You may have to set your dynamic library search path,
### $p, to point to the build directory:
SHRDLU
- if (exists $ENV{$p}) {
+ if (exists $ENV{$p} && $ENV{$p} ne '') {
warn <<SHRDLU;
### setenv $p `pwd`:\$$p; cd t; ./perl harness
### $p=`pwd`:\$$p; export $p; cd t; ./perl harness