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-rw-r--r--guix/channels.scm17
1 files changed, 16 insertions, 1 deletions
diff --git a/guix/channels.scm b/guix/channels.scm
index b812c1b6e5..c40fc0c507 100644
--- a/guix/channels.scm
+++ b/guix/channels.scm
@@ -597,9 +597,24 @@ to '%package-module-path'."
(string-append #$output "/share/guile/site/"
(effective-version)))
+ (define optimizations-for-level
+ ;; Guile 3.0 provides this procedure but Guile 2.2 didn't.
+ ;; Since this code may be executed by either version, we can't
+ ;; rely on its availability.
+ (or (and=> (false-if-exception
+ (resolve-interface '(system base optimize)))
+ (lambda (iface)
+ (module-ref iface 'optimizations-for-level)))
+ (const '())))
+
+ (define -O1
+ ;; Optimize for package module compilation speed.
+ (optimizations-for-level 1))
+
(let* ((subdir #$directory)
(source (string-append #$source subdir)))
- (compile-files source go (find-files source "\\.scm$"))
+ (compile-files source go (find-files source "\\.scm$")
+ #:optimization-options (const -O1))
(mkdir-p (dirname scm))
(symlink (string-append #$source subdir) scm))