From 7ee5db15bfa336bb0472669b29eeb2c3b99449b8 Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <rekado@elephly.net>
Date: Sun, 20 Sep 2015 13:03:38 +0200
Subject: gnu: openal: Use full path to audio backend libraries.

* gnu/packages/audio.scm (openal)[arguments]: Add build phase to patch in the
  full paths to backend audio libraries.
---
 gnu/packages/audio.scm | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

(limited to 'gnu/packages/audio.scm')

diff --git a/gnu/packages/audio.scm b/gnu/packages/audio.scm
index eed72c31a9..029f40c37d 100644
--- a/gnu/packages/audio.scm
+++ b/gnu/packages/audio.scm
@@ -1052,7 +1052,25 @@ (define-public openal
                 "0mmhdqiyb3c9dzvxspm8h2v8jibhi8pfjxnf6m0wn744y1ia2a8f"))))
     (build-system cmake-build-system)
     (arguments
-     `(#:tests? #f)) ; no check target
+     `(#:tests? #f  ; no check target
+       #:phases
+       (modify-phases %standard-phases
+         (add-after
+          'unpack 'use-full-library-paths
+          (lambda* (#:key inputs #:allow-other-keys)
+            (substitute* "Alc/backends/pulseaudio.c"
+              (("#define PALIB \"libpulse\\.so\\.0\"")
+               (string-append "#define PALIB \""
+                              (assoc-ref inputs "pulseaudio")
+                              "/lib/libpulse.so.0"
+                              "\"")))
+            (substitute* "Alc/backends/alsa.c"
+              (("LoadLib\\(\"libasound\\.so\\.2\"\\)")
+               (string-append "LoadLib(\""
+                              (assoc-ref inputs "alsa-lib")
+                              "/lib/libasound.so.2"
+                              "\")")))
+            #t)))))
     (inputs
      `(("alsa-lib" ,alsa-lib)
        ("pulseaudio" ,pulseaudio)))
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