Migrate all libs (remove fdk-aac due to license issue and wavpack as no longer supported)

build/wavpack.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+set -euo pipefail
+
+CONF_FLAGS=(
+  --prefix=$INSTALL_DIR                                # install library in a build directory for FFmpeg to include
+  --host=x86-linux-gnu                                 # use x86 linux as host
+  --disable-asm                                        # disable asm optimization
+  --disable-man                                        # disable docs
+  --disable-tests                                      # disable tests
+  --disable-apps                                       # disable wavpack apps
+  --disable-dsd                                        # disalbe legacy
+  --enable-legacy                                      # enable compability for old version of wav
+  --disable-shared                                     # enable building static library
+  --disable-dependency-tracking                        # speed up one-time build
+  --disable-maintainer-mode
+)
+CFLAGS=$CFLAGS emconfigure ./autogen.sh "${CONF_FLAGS[@]}"
+emmake make install -j