blitz: use cmake (#44804)

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

@@ -6,7 +6,7 @@
 from spack.package import *
 
 
-class Blitz(AutotoolsPackage):
+class Blitz(CMakePackage):
     """N-dimensional arrays for C++"""
 
     homepage = "https://github.com/blitzpp/blitz"
@@ -17,16 +17,6 @@ class Blitz(AutotoolsPackage):
     version("1.0.2", sha256="500db9c3b2617e1f03d0e548977aec10d36811ba1c43bb5ef250c0e3853ae1c2")
 
     depends_on("python@3:", type="build")
-    depends_on("m4", type="build")
-    depends_on("autoconf", type="build")
-    depends_on("automake", type="build")
-    depends_on("libtool", type="build")
 
     # Fix makefile and include to build with Fujitsu compiler
     patch("fujitsu_compiler_specfic_header.patch", when="%fj")
-
-    build_targets = ["lib"]
-
-    def check(self):
-        make("check-testsuite")
-        make("check-examples")