added a placeholder machine-types recipe

Author: nicolaslg

meshing/packages/machine-types/package.py

@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+# Project machine-types
+#
+##############################################################################
+
+from spack import *
+
+
+class MachineTypes(CMakePackage):
+    """Simple C numeric types definitions"""
+
+    homepage = 'https://github.com/LIHPC-Computational-Geometry/machine_types'
+    url = 'https://github.com/LIHPC-Computational-Geometry/machine_types/archive/refs/tags/0.0.0.tar.gz'
+    git = 'https://github.com/LIHPC-Computational-Geometry/machine_types.git'
+
+    version('2.0.0')
+

meshing/packages/smooth3d/package.py

@@ -30,7 +30,7 @@ class Smooth3d(CMakePackage):
     depends_on('gmds')
     depends_on('mesquite')
     depends_on('lima')
-    #depends_on('machine-types', when='+machinetypes')
+    depends_on('machine-types', when='+machinetypes')
 
     def cmake_args(self):
         args = []