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-rw-r--r--build-aux/build-self.scm6
1 files changed, 5 insertions, 1 deletions
diff --git a/build-aux/build-self.scm b/build-aux/build-self.scm
index 2782a4da72..f86c79f0d0 100644
--- a/build-aux/build-self.scm
+++ b/build-aux/build-self.scm
@@ -408,7 +408,11 @@ files."
(major ((store-lift nix-server-major-version)))
(minor ((store-lift nix-server-minor-version))))
(mbegin %store-monad
- (show-what-to-build* (list build))
+ ;; Before 'with-build-handler' was implemented and used, we had to
+ ;; explicitly call 'show-what-to-build*'.
+ (munless (module-defined? (resolve-module '(guix store))
+ 'with-build-handler)
+ (show-what-to-build* (list build)))
(built-derivations (list build))
;; Use the port beneath the current store as the stdin of BUILD. This