Fix library updates during build

mac/scripts/install_wxlibs.sh

@@ -1,9 +1,7 @@
 #!/bin/sh
-set -x
 
 resolve()
 {
-set -x
    dir="${1%/*}"
    base="${1##*/}"
    while [ -n "${base}" ]
@@ -16,23 +14,34 @@ set -x
 
 update_paths()
 {
-set -x
    path=$(resolve "${1}")
    base="${path##*/}"
    cp -p "${path}" "${LIBPATH}"
+   seen="${seen}:${path}"
 
-   for lib in $(otool -L "${path}" | awk '/libwx/{print $1}')
+   echo "Updating library = '$path'"
+
+   for lib in $(otool -L "${path}" | awk '/libwx.*dylib /{print $1}')
    do
       path=$(resolve "${lib}")
       install_name_tool -change "${lib}" "@loader_path/../Frameworks/${path##*/}" "${LIBPATH}/${base}"
+
+      if [[ ! ${seen} =~ .*:${path}.* ]]
+      then
+         update_paths "${path}"
+      fi
    done
 }
 
+BUILT_PRODUCTS_DIR=/tmp/Audacity.dst/Audacity/Audacity.app/Contents
+EXECUTABLE_PATH=MacOS/audacity
+FRAMEWORKS_FOLDER_PATH=Frameworks
 EXEPATH="${BUILT_PRODUCTS_DIR}/${EXECUTABLE_PATH}"
 LIBPATH="${BUILT_PRODUCTS_DIR}/${FRAMEWORKS_FOLDER_PATH}"
 
 mkdir -p "${LIBPATH}"
 
+seen=""
 for lib in $(otool -L "${EXEPATH}" | awk '/libwx/{print $1}')
 do
    path=$(resolve "${lib}")