Print kokkos configuration during build process (#726)

Author: Trzs

simtbx/kokkos/SConscript

@@ -74,12 +74,21 @@ cfg_crusher.host_name = 'crusher'
 cfg_crusher.env['KOKKOS_ARCH'] = "Vega90A"
 list_cfg.append(cfg_crusher)
 
+host_message = "not found, using default settings"
 system_settings = cfg_default.env
 for cfg in list_cfg:
   if cfg.is_host():
     system_settings = cfg.env
+    host_message = "%s (from %s)"%(cfg.host_name, cfg.host_variable)
     break
 
+print("-"*40)
+print("         Kokkos configuration\n")
+print("     Host: " + host_message)
+print("  Devices: " + system_settings['KOKKOS_DEVICES'])
+print("     Arch: " + system_settings['KOKKOS_ARCH'])
+print("-"*40)
+
 # libkokkos.a
 # call kokkos build system directly
 # set environment variable defaults if necessary