CreateSymlink: always mex on Windows

Author: scivision

Readme.md

@@ -38,7 +38,7 @@ functions from the Matlab prompt in Matlab R2023a or newer:
 buildtool mex
 ```
 
-If just building MEX functions for the first time, to ensure the MEX functions are used instead of the plain Matlab script, one-time do a `clear all` in Matlab.
+If just building MEX functions for the first time, to ensure the MEX functions are used instead of the plain Matlab script, one-time type `clear functions` in Matlab.
 
 ## Java-based functions
 

buildfile.m

@@ -221,10 +221,14 @@ function build_exe(context)
 
 if isMATLABReleaseOlderThan("R2024b") || build_all
 srcs{end+1} = ["src/is_symlink.cpp", win, sym];
-srcs{end+1} = ["src/create_symlink.cpp", win, sym];
 srcs{end+1} = ["src/read_symlink.cpp", win, sym];
 end
 
+if isMATLABReleaseOlderThan("R2024b") || build_all || ispc
+% so that we dont't need to run matlab AsAdmin on Windows
+srcs{end+1} = ["src/create_symlink.cpp", win, sym];
+end
+
 end