Massive conversion from Package to CMakePackage (#4975)

var/spack/repos/builtin/packages/task/package.py

@@ -25,22 +25,15 @@
 from spack import *
 
 
-class Task(Package):
+class Task(CMakePackage):
     """Feature-rich console based todo list manager"""
     homepage = "http://www.taskwarrior.org"
     url      = "http://taskwarrior.org/download/task-2.4.4.tar.gz"
 
     version('2.4.4', '517450c4a23a5842df3e9905b38801b3')
 
-    depends_on('cmake', type='build')
-    depends_on("gnutls")
-    depends_on("libuuid")
-    # depends_on("gcc@4.8:")
+    depends_on('cmake@2.8:', type='build')
+    depends_on('gnutls')
+    depends_on('libuuid')
 
-    def install(self, spec, prefix):
-        with working_dir('spack-build', create=True):
-            cmake('-DCMAKE_BUILD_TYPE=release',
-                  '..',
-                  *std_cmake_args)
-            make()
-            make("install")
+    conflicts('%gcc@:4.7')