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-rw-r--r--nixos/modules/virtualisation/xen-dom0.nix6
-rw-r--r--pkgs/applications/virtualization/xen/generic.nix4
2 files changed, 5 insertions, 5 deletions
diff --git a/nixos/modules/virtualisation/xen-dom0.nix b/nixos/modules/virtualisation/xen-dom0.nix
index afc5a42f8b4..11aeb31730e 100644
--- a/nixos/modules/virtualisation/xen-dom0.nix
+++ b/nixos/modules/virtualisation/xen-dom0.nix
@@ -262,7 +262,7 @@ in
         mkdir -p /var/lib/xen # so we create them here unconditionally.
         grep -q control_d /proc/xen/capabilities
         '';
-      serviceConfig = if cfg.package.version < "4.8" then
+      serviceConfig = if (builtins.compareVersions cfg.package.version "4.8" < 0) then
         { ExecStart = ''
             ${cfg.stored}${optionalString cfg.trace " -T /var/log/xen/xenstored-trace.log"} --no-fork
             '';
@@ -275,7 +275,7 @@ in
           NotifyAccess    = "all";
         };
       postStart = ''
-        ${optionalString (cfg.package.version < "4.8") ''
+        ${optionalString (builtins.compareVersions cfg.package.version "4.8" < 0) ''
           time=0
           timeout=30
           # Wait for xenstored to actually come up, timing out after 30 seconds
@@ -320,7 +320,7 @@ in
       serviceConfig = {
         ExecStart = ''
           ${cfg.package}/bin/xenconsoled\
-            ${optionalString ((cfg.package.version >= "4.8")) " -i"}\
+            ${optionalString ((builtins.compareVersions cfg.package.version "4.8" >= 0)) " -i"}\
             ${optionalString cfg.trace " --log=all --log-dir=/var/log/xen"}
           '';
       };
diff --git a/pkgs/applications/virtualization/xen/generic.nix b/pkgs/applications/virtualization/xen/generic.nix
index 9efcc45be35..20033276fc8 100644
--- a/pkgs/applications/virtualization/xen/generic.nix
+++ b/pkgs/applications/virtualization/xen/generic.nix
@@ -154,12 +154,12 @@ stdenv.mkDerivation (rec {
     substituteInPlace tools/xenstat/Makefile \
       --replace /usr/include/curses.h ${ncurses.dev}/include/curses.h
 
-    ${optionalString (config.version >= "4.8") ''
+    ${optionalString (builtins.compareVersions config.version "4.8" >= 0) ''
       substituteInPlace tools/hotplug/Linux/launch-xenstore.in \
         --replace /bin/mkdir mkdir
     ''}
 
-    ${optionalString (config.version < "4.6") ''
+    ${optionalString (builtins.compareVersions config.version "4.6" < 0) ''
       # TODO: use this as a template and support our own if-up scripts instead?
       substituteInPlace tools/hotplug/Linux/xen-backend.rules.in \
         --replace "@XEN_SCRIPT_DIR@" $out/etc/xen/scripts