Merge pull request #698 from UCL-RITS/espresso

Fixes install issues on OS/X for Quantum Espresso

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

@@ -32,14 +32,11 @@ def check_variants(self, spec):
         if '+elpa' in spec and ('~mpi' in spec or '~scalapack' in spec):
             raise RuntimeError(error.format(variant='elpa'))
 
-    def setup_environment(self, spack_env, run_env):
-        # Espresso copies every executable in prefix without creating sub-folders
-        run_env.prepend_path('PATH', self.prefix)
-
     def install(self, spec, prefix):
+        from glob import glob
         self.check_variants(spec)
 
-        options = ['-prefix=%s' % prefix]
+        options = ['-prefix=%s' % prefix.bin]
 
         if '+mpi' in spec:
             options.append('--enable-parallel')
@@ -65,5 +62,11 @@ def install(self, spec, prefix):
 
         configure(*options)
         make('all')
+
+        if spec.architecture.startswith('darwin'):
+            mkdirp(prefix.bin)
+            for filename in glob("bin/*.x"):
+                install(filename, prefix.bin)
+        else:
             make('install')