AC_ARG_ENABLE(btls, [ --disable-btls Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
AC_ARG_WITH(btls_android_ndk, [ --with-btls-android-ndk Android NDK for BoringTls])
AC_ARG_ENABLE(btls, [ --disable-btls Disable the BoringTls provider], enable_btls=$enableval, enable_btls=$BTLS_SUPPORTED)
AC_ARG_WITH(btls_android_ndk, [ --with-btls-android-ndk Android NDK for BoringTls])
+AC_ARG_ENABLE(dynamic-btls, [ --enable-dynamic-btls Place the BTLS provider into a separate shared library/archive.], enable_dynamic_btls=$enableval, enable_dynamic_btls=no)