Transfer logfile from bundle to components

This fixes the increased memory usage when running the EasyConfig test suite
as log files would stay open.

Signed-off-by: Jan André Reuter <j.reuter@fz-juelich.de>

easybuild/easyblocks/generic/bundle.py

@@ -199,7 +199,7 @@ def __init__(self, *args, **kwargs):
             if comp_cfg['patches']:
                 self.cfg.update('patches', comp_cfg['patches'])
 
-            self.comp_instances.append((comp_cfg, comp_cfg.easyblock(comp_cfg)))
+            self.comp_instances.append((comp_cfg, comp_cfg.easyblock(comp_cfg, logfile=self.logfile)))
 
         self.cfg.update('checksums', checksums_patches)
 
@@ -320,9 +320,6 @@ def install_step(self):
                             new_val = path
                         env.setvar(envvar, new_val)
 
-            # close log for this component
-            comp.close_log()
-
     def make_module_req_guess(self):
         """
         Set module requirements from all comppnents, e.g. $PATH, etc.