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-rw-r--r--var/spack/repos/builtin/packages/perl/package.py14
1 files changed, 8 insertions, 6 deletions
diff --git a/var/spack/repos/builtin/packages/perl/package.py b/var/spack/repos/builtin/packages/perl/package.py
index cd1acd1695..fbf788d106 100644
--- a/var/spack/repos/builtin/packages/perl/package.py
+++ b/var/spack/repos/builtin/packages/perl/package.py
@@ -167,12 +167,14 @@ class Perl(Package): # Perl doesn't use Autotools, it should subclass Package
if d.package.extends(self.spec):
perl_lib_dirs.append(d.prefix.lib.perl5)
perl_bin_dirs.append(d.prefix.bin)
- perl_bin_path = ':'.join(perl_bin_dirs)
- perl_lib_path = ':'.join(perl_lib_dirs)
- spack_env.prepend_path('PATH', perl_bin_path)
- spack_env.prepend_path('PERL5LIB', perl_lib_path)
- run_env.prepend_path('PATH', perl_bin_path)
- run_env.prepend_path('PERL5LIB', perl_lib_path)
+ if perl_bin_dirs:
+ perl_bin_path = ':'.join(perl_bin_dirs)
+ spack_env.prepend_path('PATH', perl_bin_path)
+ run_env.prepend_path('PATH', perl_bin_path)
+ if perl_lib_dirs:
+ perl_lib_path = ':'.join(perl_lib_dirs)
+ spack_env.prepend_path('PERL5LIB', perl_lib_path)
+ run_env.prepend_path('PERL5LIB', perl_lib_path)
def setup_dependent_package(self, module, dependent_spec):
"""Called before perl modules' install() methods.