audio/mixxx: Add upstream patch for the newer chromaprint.

Signed-off-by: Matteo Bernardini <ponce@slackbuilds.org>

audio/mixxx/chromaprint-1.4.patch

@@ -0,0 +1,44 @@
+Description: chromaprint 1.4 compatibility
+Origin: upstream,
+ https://github.com/mixxxdj/mixxx/commit/71f3e5d0adb5116a23f9163b045f3419b9056a08,
+ https://github.com/mixxxdj/mixxx/commit/830e864384ee1c96272997ee3f1dae4f71b28f3e,
+ https://github.com/mixxxdj/mixxx/commit/c5b4368fd228feee28af4fb32ab6fbfd3f29f212
+Last-Update: 2017-01-11
+
+--- mixxx-2.0.0~dfsg.orig/src/musicbrainz/chromaprinter.cpp
++++ mixxx-2.0.0~dfsg/src/musicbrainz/chromaprinter.cpp
+@@ -5,6 +5,19 @@
+ #include "musicbrainz/chromaprinter.h"
+ #include "soundsourceproxy.h"
+ 
++namespace
++{
++    // Type declarations of *fprint and *encoded pointers need to account for Chromaprint API version
++    // (void* -> uint32_t*) and (void* -> char*) changed in versions v1.4.0 or later -- alyptik 12/2016
++    #if (CHROMAPRINT_VERSION_MINOR > 3) || (CHROMAPRINT_VERSION_MAJOR > 1)
++        typedef uint32_t* uint32_p;
++        typedef char* char_p;
++    #else
++        typedef void* uint32_p;
++        typedef void* char_p;
++    #endif
++}
++
+ ChromaPrinter::ChromaPrinter(QObject* parent)
+              : QObject(parent) {
+ }
+@@ -57,12 +70,12 @@ QString ChromaPrinter::calcFingerPrint(c
+     }
+     chromaprint_finish(ctx);
+ 
+-    void* fprint = NULL;
++    uint32_p fprint = NULL;
+     int size = 0;
+     int ret = chromaprint_get_raw_fingerprint(ctx, &fprint, &size);
+     QByteArray fingerprint;
+     if (ret == 1) {
+-        void* encoded = NULL;
++        char_p encoded = NULL;
+         int encoded_size = 0;
+         chromaprint_encode_fingerprint(fprint, size,
+                                        CHROMAPRINT_ALGORITHM_DEFAULT,

audio/mixxx/mixxx.SlackBuild

@@ -24,7 +24,7 @@
 
 PRGNAM=mixxx
 VERSION=${VERSION:-2.0.0}
-BUILD=${BUILD:-1}
+BUILD=${BUILD:-2}
 TAG=${TAG:-_SBo}
 
 if [ -z "$ARCH" ]; then
@@ -71,6 +71,9 @@ find -L . \
  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
  -exec chmod 644 {} \;
 
+# Upstream patch for the newer chromaprint
+patch -p1 < $CWD/chromaprint-1.4.patch
+
 # Fix library installation path
 sed -i "s|'lib'|'lib$LIBDIRSUFFIX'|" build/depends.py src/SConscript || exit 1
 sed -i "s|usr/lib|usr/lib$LIBDIRSUFFIX|" src/SConscript || exit 1