release: Build relocatable packages

Author: madebr

build-scripts/release-info.json

@@ -52,6 +52,7 @@
         "-DSDLMIXER_VORBIS=STB",
         "-DSDLMIXER_WAVE=ON",
         "-DSDLMIXER_WAVPACK=OFF",
+        "-DSDLMIXER_RELOCATABLE=ON",
         "-DSDLMIXER_SAMPLES=OFF",
         "-DSDLMIXER_VENDORED=ON"
       ],
@@ -150,6 +151,7 @@
         "-DSDLMIXER_VORBIS=STB",
         "-DSDLMIXER_WAVE=ON",
         "-DSDLMIXER_WAVPACK=ON",
+        "-DSDLMIXER_RELOCATABLE=ON",
         "-DSDLMIXER_SAMPLES=OFF",
         "-DSDLMIXER_DEPS_SHARED=ON",
         "-DSDLMIXER_VENDORED=ON"