always take into account builddependencies when generating template values, also when we're not iterating over builddependencies

easybuild/framework/easyconfig/easyconfig.py

@@ -1593,6 +1593,7 @@ def _finalize_dependencies(self):
     def generate_template_values(self):
         """Try to generate all template values."""
 
+        self.log.info("Generating template values...")
         self._generate_template_values()
 
         # recursive call, until there are no more changes to template values;
@@ -1611,6 +1612,8 @@ def generate_template_values(self):
                     # KeyError's may occur when not all templates are defined yet, but these are safe to ignore
                     pass
 
+        self.log.info("Template values: %s", ', '.join("%s='%s'" % x for x in sorted(self.template_values.items())))
+
     def _generate_template_values(self, ignore=None):
         """Actual code to generate the template values"""
 

easybuild/framework/easyconfig/templates.py

@@ -216,9 +216,25 @@ def template_constant_dict(config, ignore=None, skip_lower=None, toolchain=None)
         # copy to avoid changing original list below
         deps = copy.copy(config.get('dependencies', []))
 
-        # only consider build dependencies for defining *ver and *shortver templates if we're in iterative mode
-        if hasattr(config, 'iterating') and config.iterating:
-            deps += config.get('builddependencies', [])
+        # also consider build dependencies for *ver and *shortver templates;
+        # we need to be a bit careful here, because for iterative installations
+        # (when multi_deps is used for example) the builddependencies value may be a list of lists
+
+        # first, determine if we have an EasyConfig instance
+        # (indirectly by checking for 'iterating' and 'iterate_options' attributes,
+        #  because we can't import the EasyConfig class here without introducing
+        #  a cyclic import...);
+        # we need to know to determine whether we're iterating over a list of build dependencies
+        is_easyconfig = hasattr(config, 'iterating') and hasattr(config, 'iterate_options')
+
+        if is_easyconfig:
+            # if we're iterating over different lists of build dependencies,
+            # only consider build dependencies when we're actually in iterative mode!
+            if 'builddependencies' in config.iterate_options:
+                if config.iterating:
+                    deps += config.get('builddependencies', [])
+            else:
+                deps += config.get('builddependencies', [])
 
         for dep in deps:
             if isinstance(dep, dict):

test/framework/easyconfig.py

@@ -965,6 +965,8 @@ def test_templating(self):
             '   ("Java", "1.7.80"),'
             '   ("Perl", "5.22.0"),'
             '   ("Python", "2.7.10"),'
+            ']',
+            'builddependencies = ['
             '   ("R", "3.2.3"),'
             ']',
             'modloadmsg = "%s"' % '; '.join([