casper: old domain fell off, adding github repo (#32928)

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

@@ -14,8 +14,14 @@ class Casper(MakefilePackage):
 
     homepage = "http://best.snu.ac.kr/casper/index.php?name=main"
     url = "http://best.snu.ac.kr/casper/program/casper_v0.8.2.tar.gz"
+    git = "https://github.com/skwonPNU/casper.git"
 
-    version("0.8.2", sha256="3005e165cebf8ce4e12815b7660a833e0733441b5c7e5ecbfdccef7414b0c914")
+    version("20220916", commit="08655cad5af7e801f05fdb9e643dcd859f823cba")
+    version(
+        "0.8.2",
+        sha256="3005e165cebf8ce4e12815b7660a833e0733441b5c7e5ecbfdccef7414b0c914",
+        deprecated=True,
+    )
 
     depends_on("jellyfish@2.2.3:")
     depends_on("boost+exception")
@@ -23,7 +29,7 @@ class Casper(MakefilePackage):
     conflicts("%gcc@7.1.0")
 
     def flag_handler(self, name, flags):
-        if name.lower() == "cxxflags":
+        if self.spec.satisfies("@:0.8.2") and name.lower() == "cxxflags":
             flags.append(self.compiler.cxx98_flag)
         return (flags, None, None)