diff options
Diffstat (limited to 'guix/gexp.scm')
| -rw-r--r-- | guix/gexp.scm | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/guix/gexp.scm b/guix/gexp.scm index f0963c6234..809c1188d4 100644 --- a/guix/gexp.scm +++ b/guix/gexp.scm @@ -211,7 +211,12 @@ OBJ must be an object that has an associated gexp compiler, such as a (#f (raise (condition (&gexp-input-error (input obj))))) (lower - (lower obj system target)))) + ;; Cache in STORE the result of lowering OBJ. + (mlet %store-monad ((graft? (grafting?))) + (mcached (let ((lower (lookup-compiler obj))) + (lower obj system target)) + obj + system target graft?))))) (define-syntax define-gexp-compiler (syntax-rules (=> compiler expander) |