14/18: gnu: java-lz4: Use invoke.

[Ricardo Wurmus]

rekado pushed a commit to branch master
in repository guix.

commit 1b6bc5167519d5c87b87fd4d7e367fbbe54c9b2e
Author: Ricardo Wurmus <address@hidden>
Date:   Tue Feb 27 21:00:24 2018 +0100

    gnu: java-lz4: Use invoke.
    
    * gnu/packages/java.scm (java-lz4)[arguments]: Use invoke.
---
 gnu/packages/java.scm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/java.scm b/gnu/packages/java.scm
index 9e9c101..8cc3b72 100644
--- a/gnu/packages/java.scm
+++ b/gnu/packages/java.scm
@@ -7696,7 +7696,8 @@ by technical operatives or consultants working with 
enterprise platforms.")
          (add-before 'configure 'generate-source
            (lambda _
              (with-directory-excursion "src/build/source_templates"
-               (zero? (system* "mvel2" "../gen_sources.mvel" 
"../../java"))))))))
+               (invoke "mvel2" "../gen_sources.mvel" "../../java"))
+             #t)))))
     (native-inputs
      `(("mvel" ,java-mvel2)))
     (home-page "https://jpountz.github.io/lz4-java";)