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| author | Ludovic Courtès <ludo@gnu.org> | 2014-07-21 22:06:36 +0200 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2014-07-21 23:18:21 +0200 |
| commit | bce7526f9a7d4e26242d3128157e30c2fa7ecb0c (patch) | |
| tree | 74e0d5d8be0de09c5c79dfbdbc7b4b43101f67bb /guix/packages.scm | |
| parent | 1b09031f786238b21ab10ba4c3e384ab194735df (diff) | |
| download | gnu-guix-bce7526f9a7d4e26242d3128157e30c2fa7ecb0c.tar gnu-guix-bce7526f9a7d4e26242d3128157e30c2fa7ecb0c.tar.gz | |
Add comments about global memoization.
* guix/build-system/gnu.scm (standard-inputs): Add comment about
misplaced memoization.
* guix/packages.scm (cache): Likewise.
Diffstat (limited to 'guix/packages.scm')
| -rw-r--r-- | guix/packages.scm | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/guix/packages.scm b/guix/packages.scm index 5c3da9f2ff..1939373f35 100644 --- a/guix/packages.scm +++ b/guix/packages.scm @@ -527,6 +527,8 @@ recursively." (define (cache package system thunk) "Memoize the return values of THUNK as the derivation of PACKAGE on SYSTEM." + ;; FIXME: This memoization should be associated with the open store, because + ;; otherwise it breaks when switching to a different store. (let ((vals (call-with-values thunk list))) ;; Use `hashq-set!' instead of `hash-set!' because `hash' returns the ;; same value for all structs (as of Guile 2.0.6), and because pointer |