gnu: Add alure.

* gnu/packages/audio.scm (alure): New variable.

Co-authored-by: Ludovic Courtès <ludo@gnu.org>

gnu/local.mk

@@ -902,6 +902,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/akonadi-not-relocatable.patch		\
   %D%/packages/patches/akonadi-timestamps.patch		\
   %D%/packages/patches/allegro-mesa-18.2.5-and-later.patch	\
+  %D%/packages/patches/alure-dumb-2.patch			\
   %D%/packages/patches/ibus-anthy-fix-tests.patch		\
   %D%/packages/patches/ibus-table-paths.patch			\
   %D%/packages/patches/anki-mpv-args.patch			\

gnu/packages/audio.scm

@@ -3330,6 +3330,38 @@ (define-public freealut
     (home-page "https://kcat.strangesoft.net/openal.html")
     (license license:lgpl2.0)))
 
+(define-public alure
+  (package
+    (name "alure")
+    (version "1.2")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://kcat.tomasu.net/alure-releases/"
+                                  "alure-" version ".tar.bz2"))
+              (sha256
+               (base32
+                "0w8gsyqki21s1qb2s5ac1kj08i6nc937c0rr08xbw9w9wvd6lpj6"))
+              (patches (search-patches "alure-dumb-2.patch"))))
+    (build-system cmake-build-system)
+    (arguments
+     `(#:tests? #f ;no tests
+       #:configure-flags '("-DMODPLUG=ON")))
+    (native-inputs (list pkg-config))
+    (inputs (list dumb
+                  flac
+                  mpg123
+                  libmodplug
+                  libsndfile
+                  libvorbis
+                  openal))
+    (home-page "https://kcat.tomasu.net/alure.html")
+    (synopsis "OpenAL utility library")
+    (description
+     "ALURE is a utility library to help manage common tasks with OpenAL applications.
+This includes device enumeration and initialization, file loading, and
+streaming.")
+    (license license:expat)))
+
 (define-public patchage
   (package
     (name "patchage")

gnu/packages/patches/alure-dumb-2.patch

@@ -0,0 +1,30 @@
+Source: https://gitlab.archlinux.org/archlinux/packaging/packages/alure/-/blob/main/dumb-2.patch
+
+diff -Naur a/src/codec_dumb.cpp b/src/codec_dumb.cpp
+--- a/src/codec_dumb.cpp	2011-07-29 09:37:48.000000000 +0100
++++ b/src/codec_dumb.cpp	2020-05-10 15:59:48.502632496 +0100
+@@ -272,7 +272,11 @@
+ 
+ private:
+     // DUMBFILE iostream callbacks
++#if DUMB_VERSION >= 2*10000
++    static int skip(void *user_data, dumb_off_t offset)
++#else
+     static int skip(void *user_data, long offset)
++#endif
+     {
+         std::istream *stream = static_cast<dumbStream*>(user_data)->fstream;
+         stream->clear();
+@@ -282,7 +286,11 @@
+         return -1;
+     }
+ 
++#if DUMB_VERSION >= 2*10000
++    static dumb_ssize_t read(char *ptr, size_t size, void *user_data)
++#else
+     static long read(char *ptr, long size, void *user_data)
++#endif
+     {
+         std::istream *stream = static_cast<dumbStream*>(user_data)->fstream;
+         stream->clear();
+