diff options
Diffstat (limited to 'guix/packages.scm')
| -rw-r--r-- | guix/packages.scm | 67 |
1 files changed, 38 insertions, 29 deletions
diff --git a/guix/packages.scm b/guix/packages.scm index ee62c8442a..92222c0def 100644 --- a/guix/packages.scm +++ b/guix/packages.scm @@ -798,41 +798,50 @@ information in exceptions." (package package) (input x))))))) +(define %bag-cache + ;; 'eq?' cache mapping packages to system+target+graft?-dependent bags. + ;; It significantly speeds things up when doing repeated calls to + ;; 'package->bag' as is the case when building a profile. + (make-weak-key-hash-table 200)) + (define* (package->bag package #:optional (system (%current-system)) (target (%current-target-system)) #:key (graft? (%graft?))) "Compile PACKAGE into a bag for SYSTEM, possibly cross-compiled to TARGET, and return it." - ;; Bind %CURRENT-SYSTEM and %CURRENT-TARGET-SYSTEM so that thunked field - ;; values can refer to it. - (parameterize ((%current-system system) - (%current-target-system target)) - (match (if graft? - (or (package-replacement package) package) - package) - (($ <package> name version source build-system - args inputs propagated-inputs native-inputs self-native-input? - outputs) - (or (make-bag build-system (string-append name "-" version) - #:system system - #:target target - #:source source - #:inputs (append (inputs) - (propagated-inputs)) - #:outputs outputs - #:native-inputs `(,@(if (and target self-native-input?) - `(("self" ,package)) - '()) - ,@(native-inputs)) - #:arguments (args)) - (raise (if target - (condition - (&package-cross-build-system-error - (package package))) - (condition - (&package-error - (package package)))))))))) + (cached (=> %bag-cache) + package (list system target graft?) + ;; Bind %CURRENT-SYSTEM and %CURRENT-TARGET-SYSTEM so that thunked + ;; field values can refer to it. + (parameterize ((%current-system system) + (%current-target-system target)) + (match (if graft? + (or (package-replacement package) package) + package) + (($ <package> name version source build-system + args inputs propagated-inputs native-inputs + self-native-input? outputs) + (or (make-bag build-system (string-append name "-" version) + #:system system + #:target target + #:source source + #:inputs (append (inputs) + (propagated-inputs)) + #:outputs outputs + #:native-inputs `(,@(if (and target + self-native-input?) + `(("self" ,package)) + '()) + ,@(native-inputs)) + #:arguments (args)) + (raise (if target + (condition + (&package-cross-build-system-error + (package package))) + (condition + (&package-error + (package package))))))))))) (define (input-graft store system) "Return a procedure that, given a package with a graft, returns a graft, and |