tree-wide: disable doCheck and doInstallCheck where it fails (the trivial part)

pkgs/tools/system/at/default.nix

@@ -33,12 +33,15 @@ stdenv.mkDerivation rec {
       substituteInPlace ./configure --replace "test -d /var/run" "true"
     '';
 
-  configureFlags =
-    ''
-       --with-etcdir=/etc/at
-       --with-jobdir=/var/spool/atjobs --with-atspool=/var/spool/atspool
-       --with-daemon_username=atd --with-daemon_groupname=atd
-    '';
+  configureFlags = [
+    "--with-etcdir=/etc/at"
+    "--with-jobdir=/var/spool/atjobs"
+    "--with-atspool=/var/spool/atspool"
+    "--with-daemon_username=atd"
+    "--with-daemon_groupname=atd"
+  ];
+
+  doCheck = false; # need "prove" tool
 
   # Ensure that "batch" can invoke the setuid "at" wrapper, if it exists, or
   # else we get permission errors (on NixOS). "batch" is a shell script, so