Software/wendelin Add kernel version check

This commit prevent wendelin to be built if the kernel version is
inferior to 3.16, as wendelin array fail on older kernels.

software/wendelin/software.cfg

@@ -5,6 +5,7 @@ extends =
   ../../component/msgpack-python/buildout.cfg
   ../../component/scipy/buildout.cfg
   ../../software/erp5/software.cfg
+  
 parts +=
   wendelin
   scipy
@@ -15,6 +16,16 @@ parts +=
   wendelin_test_suite_runner
   wendelin_testrunner
 
+[kernel-version]
+recipe = slapos.recipe.build
+script =
+  import platform, re
+  from distutils.version import LooseVersion
+  to_find = re.compile(r"^\d+\.\d+\.\d+")
+  kernel_version = to_find.match(platform.release())
+  if LooseVersion(kernel_version.group()) < LooseVersion("3.16.0"):
+    raise zc.buildout.UserError("Wendelin needs linux kernel 3.16 or newer")
+
 [eggs]
 initialization =
   import scipy.spatial.ckdtree # load our own libstdc++ explicitly at the very beginning

stack/erp5/buildout.cfg

@@ -66,6 +66,7 @@ extends =
 # keep neoppod extends last
 
 parts +=
+  kernel-version
   erp5-util-develop
   slapos-cookbook-develop
   slapos-cookbook
@@ -149,6 +150,10 @@ extra-ldflags = -Wl,-rpath=${gcc:location}/lib -Wl,-rpath=${gcc:location}/lib64
 [instance-jupyter]
 rendered = ${buildout:directory}/template-jupyter.cfg
 
+[kernel-version]
+recipe = slapos.recipe.build
+script =
+
 [download-base]
 <= download-base-neo
 url = ${:_profile_base_location_}/${:filename}