Using fPIC in PERL when using an Intel compiler. (#3355)

var/spack/repos/builtin/packages/perl/package.py

@@ -31,7 +31,7 @@
 from spack import *
 
 
-class Perl(Package):
+class Perl(Package):  # Perl doesn't use Autotools, it should subclass Package
     """Perl 5 is a highly capable, feature-rich programming language with over
        27 years of development."""
     homepage = "http://www.perl.org"
@@ -63,7 +63,12 @@ class Perl(Package):
 
     def install(self, spec, prefix):
         configure = Executable('./Configure')
-        configure("-des", "-Dprefix=" + prefix)
+        configure_args = ["-des", "-Dprefix=" + prefix]
+        # Discussion of -fPIC for Intel at:
+        # https://github.com/LLNL/spack/pull/3081
+        if spec.satisfies('%intel'):
+            configure_args.append("-Accflags=" + self.compiler.pic_flag)
+        configure(*configure_args)
         make()
         if self.run_tests:
             make("test")