09/50: gnu: Add ecj4-javac-wrapper.

[guix-commits]

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

commit 842aba54cd316131dfb0309f94f46beb117ff238
Author: Ricardo Wurmus <rekado@elephly.net>
AuthorDate: Fri Dec 17 22:55:37 2021 +0100

    gnu: Add ecj4-javac-wrapper.
    
    * gnu/packages/java.scm (ecj4-javac-wrapper): New variable.
---
 gnu/packages/java.scm | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/gnu/packages/java.scm b/gnu/packages/java.scm
index b89dd79..23691fc 100644
--- a/gnu/packages/java.scm
+++ b/gnu/packages/java.scm
@@ -871,6 +871,12 @@ requirement for all GNU Classpath releases after version 
0.93.  This version
 supports sufficient parts of Java 7 to build Icedtea 2.x.")
     (license license:epl1.0)))
 
+(define ecj4-javac-wrapper
+  (package
+    (inherit ecj-javac-wrapper)
+    (native-inputs
+     (list guile-3.0 ecj4-bootstrap jamvm classpath-devel))))
+
 ;; The bootstrap JDK consisting of jamvm, classpath-devel,
 ;; ecj-javac-wrapper-final cannot build Icedtea 2.x directly, because it's
 ;; written in Java 7.  It can, however, build the unmaintained Icedtea 1.x,