Patch to add Solaris to the list of OSes which do not deliver mod-mpm.
This patch has not yet been submitted upstream.

--- puppetlabs-apache-1.8.1/manifests/mpm.pp.orig	2016-02-09 08:50:27.000000000 -0800
+++ puppetlabs-apache-1.8.1/manifests/mpm.pp	2016-04-20 13:01:03.658052589 -0700
@@ -1,3 +1,7 @@
+#######################################################################
+# Oracle has modified the originally distributed contents of this file.
+#######################################################################
+
 define apache::mpm (
   $lib_path       = $::apache::lib_path,
   $apache_version = $::apache::apache_version,
@@ -85,7 +89,7 @@
     'gentoo': {
       # so we don't fail
     }
-    'redhat': {
+    'redhat', 'solaris': {
       # so we don't fail
     }
     'Suse': {