[PATCH] gnu: wavpack: Fix wavpack.pc by passing '--libdir' to `configure'.

[宋文武]

* gnu/packages/audio.scm (wavpack)[arguments]: New field.
---
 gnu/packages/audio.scm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gnu/packages/audio.scm b/gnu/packages/audio.scm
index 78e3207..f5b8a89 100644
--- a/gnu/packages/audio.scm
+++ b/gnu/packages/audio.scm
@@ -1007,6 +1007,10 @@ stretching and pitch scaling of audio.  This package 
contains the library.")
                (base32
                 "191h8hv8qk72hfh1crg429i9yq3cminwqb249sy9zadbn1wy7b9c"))))
     (build-system gnu-build-system)
+    (arguments
+     `(#:configure-flags
+       ;; wavpack.pc.in lacks path substitution for 'exec_prefix'.
+       (list (string-append "--libdir=" %output "/lib"))))
     (home-page "http://www.wavpack.com/";)
     (synopsis "Hybrid lossless audio codec")
     (description
-- 
2.2.1