ccache 4.4 errors for old gcc/clang (#25783)

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

@@ -15,6 +15,7 @@ class Ccache(CMakePackage):
 
     homepage = "https://ccache.dev/"
     url      = "https://github.com/ccache/ccache/releases/download/v4.2.1/ccache-4.2.1.tar.gz"
+    maintainers = ['haampie']
 
     executables = ['^ccache$']
 
@@ -41,6 +42,9 @@ class Ccache(CMakePackage):
     depends_on('libxslt', when='@:3.99')
     depends_on('zlib', when='@:3.99')
 
+    conflicts('%gcc@:5', when='@4.4:')
+    conflicts('%clang@:4', when='@4.4:')
+
     # Before 4.0 this was an Autotools package
     @when('@:3.99')
     def cmake(self, spec, prefix):