10/38: gnu: rtmidi: Return #t from all phases.

[Tobias Geerinckx-Rice]

nckx pushed a commit to branch master
in repository guix.

commit c23d50a82b5d55b65adf4721500592727fc4fb12
Author: Tobias Geerinckx-Rice <address@hidden>
Date:   Sun Jun 24 20:29:20 2018 +0200

    gnu: rtmidi: Return #t from all phases.
    
    * gnu/packages/audio.scm (rtmidi)[arguments]: Substitute INVOKE for
    SYSTEM*.
---
 gnu/packages/audio.scm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gnu/packages/audio.scm b/gnu/packages/audio.scm
index 986a429..fce4681 100644
--- a/gnu/packages/audio.scm
+++ b/gnu/packages/audio.scm
@@ -2249,7 +2249,7 @@ tempo and pitch of an audio recording independently of 
one another.")
        #:phases (modify-phases %standard-phases
                   (add-after
                    'unpack 'autoconf
-                   (lambda _ (zero? (system* "autoreconf" "-vfi"))))
+                   (lambda _ (invoke "autoreconf" "-vfi")))
                   (add-before
                    'build 'fix-makefile
                    (lambda _