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

build/aom.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+set -euo pipefail
+
+CM_FLAGS=(
+  -DCMAKE_INSTALL_PREFIX=$INSTALL_DIR           # assign lib and include install path
+  -DCMAKE_TOOLCHAIN_FILE=$EM_TOOLCHAIN_FILE     # use emscripten toolchain file
+  -DBUILD_SHARED_LIBS=0                         # disable shared library build
+  -DAOM_TARGET_CPU=generic                      # use generic cpu
+  -DENABLE_DOCS=0                               # disable docs
+  -DENABLE_TESTS=0                              # disable tests
+  -DENABLE_EXAMPLES=0                           # disable examples
+  -DENABLE_TOOLS=0                              # disable tools
+  -DCONFIG_RUNTIME_CPU_DETECT=0                 # disable cpu detect
+  -DCONFIG_WEBM_IO=0                            # disable libwebm support
+)
+
+CMBUILD_DIR=cmbuild
+rm -rf $CMBUILD_DIR
+mkdir -p $CMBUILD_DIR
+cd $CMBUILD_DIR
+
+emmake cmake .. \
+  -DAOM_EXTRA_C_FLAGS="$CFLAGS" \
+  -DAOM_EXTRA_CXX_FLAGS="$CFLAGS" \
+  ${CM_FLAGS[@]}
+emmake make install -j