10/36: gnu: libtar: Use invoke.

[Mark H. Weaver]

mhw pushed a commit to branch core-updates
in repository guix.

commit c65956f3f183714a936ff683970dfcbf8e1a714a
Author: Mark H Weaver <m...@netris.org>
Date:   Fri Mar 16 02:25:58 2018 -0400

    gnu: libtar: Use invoke.
    
    * gnu/packages/compression.scm (libtar)[arguments]: Use invoke.
---
 gnu/packages/compression.scm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gnu/packages/compression.scm b/gnu/packages/compression.scm
index cb66514..2a2ae7a 100644
--- a/gnu/packages/compression.scm
+++ b/gnu/packages/compression.scm
@@ -183,7 +183,7 @@ utility.  Instead of being written in Java, FastJar is 
written in C.")
       #:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'autoconf
-          (lambda _ (zero? (system* "sh" "autoreconf" "-vfi")))))))
+          (lambda _ (invoke "sh" "autoreconf" "-vfi"))))))
    (native-inputs
     `(("autoconf" ,autoconf)
       ("automake" ,automake)