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28/50: gnu: classpath-jamvm-wrappers: Use G-Expression.


From: guix-commits
Subject: 28/50: gnu: classpath-jamvm-wrappers: Use G-Expression.
Date: Thu, 23 Dec 2021 12:52:37 -0500 (EST)

rekado pushed a commit to branch wip-java-bootstrap-simplify
in repository guix.

commit 2dbe6a20477bcb59f7fe58b6d5c3b9aca557bc3e
Author: Ricardo Wurmus <rekado@elephly.net>
AuthorDate: Sat Dec 18 17:29:11 2021 +0100

    gnu: classpath-jamvm-wrappers: Use G-Expression.
    
    * gnu/packages/java.scm (classpath-jamvm-wrappers)[arguments]: Use a gexp to
    remove references to %build-inputs and %outputs.
    [native-inputs]: Replace bash with bash-minimal; use label-less style.
---
 gnu/packages/java.scm | 67 ++++++++++++++++++++++++---------------------------
 1 file changed, 32 insertions(+), 35 deletions(-)

diff --git a/gnu/packages/java.scm b/gnu/packages/java.scm
index b8ed4d5..021e9f4 100644
--- a/gnu/packages/java.scm
+++ b/gnu/packages/java.scm
@@ -622,45 +622,42 @@ the standard javac executable.")))
     (source #f)
     (build-system trivial-build-system)
     (arguments
-     `(#:modules ((guix build utils))
-       #:builder
-       (begin
-         (use-modules (guix build utils))
-         (let* ((bash      (assoc-ref %build-inputs "bash"))
-                (jamvm     (assoc-ref %build-inputs "jamvm"))
-                (classpath (assoc-ref %build-inputs "classpath"))
-                (bin       (string-append (assoc-ref %outputs "out")
-                                          "/bin/")))
-           (mkdir-p bin)
-           (for-each (lambda (tool)
-                       (with-output-to-file (string-append bin tool)
-                         (lambda _
-                           ,@(if (string-prefix? "armhf" (or (%current-system)
-                                                             
(%current-target-system)))
-                                 `((format #t "#!~a/bin/sh
+     (list
+      #:modules '((guix build utils))
+      #:builder
+      #~(begin
+          (use-modules (guix build utils))
+          (let ((bash      #$(this-package-native-input "bash-minimal"))
+                (jamvm     #$(this-package-native-input "jamvm"))
+                (classpath #$(this-package-native-input "classpath"))
+                (bin       (string-append #$output "/bin/")))
+            (mkdir-p bin)
+            (for-each (lambda (tool)
+                        (with-output-to-file (string-append bin tool)
+                          (lambda _
+                            #$@(if (string-prefix? "armhf" (or 
(%current-system)
+                                                               
(%current-target-system)))
+                                   `((format #t "#!~a/bin/sh
 ~a/bin/jamvm -Xnocompact -classpath ~a/share/classpath/tools.zip \
 gnu.classpath.tools.~a.~a $@"
-                                   bash jamvm classpath tool
-                                   (if (string=? "native2ascii" tool)
-                                       "Native2ASCII" "Main")))
-                                 `((format #t "#!~a/bin/sh
+                                             bash jamvm classpath tool
+                                             (if (string=? "native2ascii" tool)
+                                                 "Native2ASCII" "Main")))
+                                   `((format #t "#!~a/bin/sh
 ~a/bin/jamvm -Xnocompact -Xnoinlining -classpath ~a/share/classpath/tools.zip \
 gnu.classpath.tools.~a.~a $@"
-                                   bash jamvm classpath tool
-                                   (if (string=? "native2ascii" tool)
-                                       "Native2ASCII" "Main"))))))
-                       (chmod (string-append bin tool) #o755))
-                     (list "javah"
-                           "rmic"
-                           "rmid"
-                           "orbd"
-                           "rmiregistry"
-                           "native2ascii"))
-           #t))))
-    (native-inputs
-     `(("bash" ,bash)
-       ("jamvm" ,jamvm-1-bootstrap)
-       ("classpath" ,classpath-0.99)))
+                                             bash jamvm classpath tool
+                                             (if (string=? "native2ascii" tool)
+                                                 "Native2ASCII" "Main"))))))
+                        (chmod (string-append bin tool) #o755))
+                      (list "javah"
+                            "rmic"
+                            "rmid"
+                            "orbd"
+                            "rmiregistry"
+                            "native2ascii"))))))
+    (native-inputs
+     (list bash-minimal jamvm-1-bootstrap classpath-0.99))
     (inputs '())
     (synopsis "Executables from GNU Classpath")
     (description "This package provides wrappers around the tools provided by



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