build: update to Mac third_party_libs_tool 1.3

Signed-off-by: Rafael Kitover <rkitover@gmail.com>

tools/macOS/third_party_libs_tool

@@ -1,6 +1,6 @@
 #!/bin/sh
 
-version=1.2
+version=1.3
 
 main() {
     # parse options
@@ -135,11 +135,14 @@ lib_scan() {
                 ;;
         esac
 
+        # Remove path parts for mark file
+        bin_mark_file=$(echo "$bin" | sed 's,/,_,g')
+
         # if binary is already processed, continue
-        [ -d "$scratch_dir/$bin" ] && continue
+        [ -d "$scratch_dir/$bin_mark_file" ] && continue
 
         # otherwise mark it processed
-        mkdir -p "$scratch_dir/$bin"
+        mkdir -p "$scratch_dir/$bin_mark_file"
 
         set --
 
@@ -156,6 +159,12 @@ lib_scan() {
                 '@rpath/'*)
                     lib='/usr/local/lib'"${lib#@rpath}"
                     ;;
+                '@loader_path/../../../../'*)
+                    lib='/usr/local/'"${lib#@loader_path/../../../../}"
+                    ;;
+                '@loader_path/'*)
+                    lib='/usr/local/lib'"${lib#@loader_path}"
+                    ;;
             esac
 
             echo "$lib"
@@ -170,53 +179,11 @@ lib_scan() {
 
 fully_resolve_links() {
     while read -r file; do
-        # get initial part for non-absolute path, or blank for absolute
-        path=${file%%/*}
-        # and set $file to the rest
-        file=${file#*/}
-
-        OLDIFS=$IFS
-        IFS='/'
-        for part in $file; do
-            [ ! -z "$part" ] && path=$(resolve_link "$path/$part")
-        done
-        IFS=$OLDIFS
-
-        # remove 'foo/..' path parts
-        while :; do
-            case "$path" in
-                */../*|*/..)
-                    path=$(echo "$path" | sed 's,//*[^/][^/]*//*\.\./*,/,g')
-                    ;;
-                *)
-                    break
-                    ;;
-            esac
-        done
-
-        # remove trailing /s
-        while [ "$path" != "${path%/}" ]; do
-            path=${path%/}
-        done
-
-        echo "$path"
-    done
-}
-
-resolve_link() {
-    file=$1
-
         while [ -h "$file" ]; do
-        ls0=$(ls -ld "$file")
-        new_link=$(expr "$ls0" : '.* -> \(.*\)$')
-        if expr "$new_link" : '/.*' > /dev/null; then
-            file="$new_link"
-        else
-            file="${file%/*}"/"$new_link"
-        fi
+            file=$(readlink -f "$file")
         done
-
         echo "$file"
+    done
 }
 
 relink_all() {