Massive conversion from Package to CMakePackage (#4975)

var/spack/repos/builtin/packages/c-blosc/package.py

@@ -28,7 +28,7 @@
 from spack import *
 
 
-class CBlosc(Package):
+class CBlosc(CMakePackage):
     """Blosc, an extremely fast, multi-threaded, meta-compressor library"""
     homepage = "http://www.blosc.org"
     url      = "https://github.com/Blosc/c-blosc/archive/v1.11.1.tar.gz"
@@ -42,15 +42,21 @@ class CBlosc(Package):
 
     variant('avx2', default=True, description='Enable AVX2 support')
 
-    depends_on("cmake", type='build')
-    depends_on("snappy")
-    depends_on("zlib")
+    depends_on('cmake@2.8.10:', type='build')
+    depends_on('snappy')
+    depends_on('zlib')
 
-    def install(self, spec, prefix):
-        avx2 = '-DDEACTIVATE_AVX2=%s' % ('ON' if '~avx2' in spec else 'OFF')
-        cmake('.', avx2, *std_cmake_args)
+    def cmake_args(self):
+        args = []
 
-        make()
-        make("install")
+        if '+avx2' in self.spec:
+            args.append('-DDEACTIVATE_AVX2=OFF')
+        else:
+            args.append('-DDEACTIVATE_AVX2=ON')
+
+        return args
+
+    @run_after('install')
+    def darwin_fix(self):
         if sys.platform == 'darwin':
-            fix_darwin_install_name(prefix.lib)
+            fix_darwin_install_name(self.prefix.lib)