Add environment variable CYGCONF_ARGS when using cygport to build component.

slapos/recipe/cmmi/__init__.py

@@ -100,6 +100,9 @@ class Recipe(object):
             self.environ['CXXFLAGS'] = '-I%s/include %s' % (self.buildout_prefix, self.environ.get('CXXFLAGS', ''))
             self.environ['LDFLAGS'] = '-L%s/lib %s' % (self.buildout_prefix, self.environ.get('LDFLAGS', ''))
 
+        if self.options.get('configure-command', '').strip() == 'cygport':
+            self.environ.setdefault('CYGCONF_ARGS', '--prefix=%s' % options['prefix'])
+
         # Extrapolate the environment variables using values from the current
         # environment.
         for key in self.environ: