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-rw-r--r--guix/scripts/build.scm8
1 files changed, 5 insertions, 3 deletions
diff --git a/guix/scripts/build.scm b/guix/scripts/build.scm
index 3fa3c2c20f..9d38610633 100644
--- a/guix/scripts/build.scm
+++ b/guix/scripts/build.scm
@@ -733,9 +733,11 @@ needed."
;; Set the build options before we do anything else.
(set-build-options-from-command-line store opts)
- (parameterize ((current-build-output-port (if quiet?
- (%make-void-port "w")
- (build-output-port #:verbose? #t))))
+ (parameterize ((current-build-output-port
+ (if quiet?
+ (%make-void-port "w")
+ (build-output-port #:verbose? #t
+ #:port (duplicate-port (current-error-port) "w")))))
(let* ((mode (assoc-ref opts 'build-mode))
(drv (options->derivations store opts))
(urls (map (cut string-append <> "/log")