diff --git a/Makefile.am b/Makefile.am
index 1f014b7c01..d054f78791 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -7,6 +7,7 @@
 # Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
 # Copyright © 2017 Leo Famulari <leo@famulari.name>
 # Copyright © 2017 Ricardo Wurmus <rekado@elephly.net>
+# Copyright © 2017 Jan Nieuwenhuizen <janneke@gnu.org>
 #
 # This file is part of GNU Guix.
 #
@@ -711,6 +712,15 @@ hydra-jobs.scm: $(GOBJECTS)
 	  "$(top_srcdir)/build-aux/hydra/gnu-system.scm" > "$@.tmp"
 	$(AM_V_at)mv "$@.tmp" "$@"
 
+# Compute the Cuirass jobs and write them in the target file.
+cuirass-jobs.scm: $(GOBJECTS)
+	$(AM_V_at)$(MKDIR_P) "`dirname "$@"`"
+	$(AM_V_GEN)$(top_builddir)/pre-inst-env "$(GUILE)"		\
+	  "$(top_srcdir)/build-aux/hydra/evaluate.scm"			\
+	  "$(top_srcdir)/build-aux/cuirass/gnu-system.scm" 		\
+	  cuirass > "$@.tmp"
+	$(AM_V_at)mv "$@.tmp" "$@"
+
 .PHONY: gen-ChangeLog gen-AUTHORS gen-tarball-version
 .PHONY: assert-no-store-file-names assert-binaries-available
 .PHONY: assert-final-inputs-self-contained
diff --git a/build-aux/hydra/evaluate.scm b/build-aux/hydra/evaluate.scm
index cc6a4b9492..604022abcf 100644
--- a/build-aux/hydra/evaluate.scm
+++ b/build-aux/hydra/evaluate.scm
@@ -1,5 +1,6 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2016, 2017 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2017 Jan Nieuwenhuizen <janneke@gnu.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -70,7 +71,7 @@ Otherwise return THING."
 
 ;; Without further ado...
 (match (command-line)
-  ((command file)
+  ((command file cuirass? ...)
    ;; Load FILE, a Scheme file that defines Hydra jobs.
    (let ((port (current-output-port)))
      (save-module-excursion
@@ -96,7 +97,11 @@ Otherwise return THING."
 
        ;; Call the entry point of FILE and print the resulting job sexp.
        (pretty-print
-        (match ((module-ref %user-module 'hydra-jobs) store '())
+        (match ((module-ref %user-module
+                            (if (equal? cuirass? "cuirass")
+                                'cuirass-jobs
+                                'hydra-jobs))
+                store '())
           (((names . thunks) ...)
            (map (lambda (job thunk)
                   (format (current-error-port) "evaluating '~a'... " job)
@@ -107,8 +112,8 @@ Otherwise return THING."
                 names thunks)))
         port))))
   ((command _ ...)
-   (format (current-error-port) "Usage: ~a FILE
-Evaluate the Hydra jobs defined in FILE.~%"
+   (format (current-error-port) "Usage: ~a FILE [cuirass]
+Evaluate the Hydra or Cuirass jobs defined in FILE.~%"
            command)
    (exit 1)))