Fix python3 installed from the Windows Store

When meson is currently being run with a python that seems to have been
installed from the Windows Store, replace the general WindowsApps
directory in search paths with dirname(sys.executable), and also handle
failures with pathlib.resolve on WindowsApps exe files.

1 files changed, 14 insertions, 1 deletions

diff --git a/mesonbuild/interpreter.py b/mesonbuild/interpreter.py
index b8d4fec..76dbebd 100644
--- a/mesonbuild/interpreter.py
+++ b/mesonbuild/interpreter.py
@@ -41,6 +41,7 @@ import shutil
 import uuid
 import re
 import shlex
+import stat
 import subprocess
 import collections
 import functools
@@ -2512,7 +2513,19 @@ class Interpreter(InterpreterBase):
         elif os.path.isfile(f) and not f.startswith('/dev'):
             srcdir = Path(self.environment.get_source_dir())
             builddir = Path(self.environment.get_build_dir())
-            f = Path(f).resolve()
+            try:
+                f = Path(f).resolve()
+            except OSError:
+                f = Path(f)
+                s = f.stat()
+                if (hasattr(s, 'st_file_attributes') and
+                        s.st_file_attributes & stat.FILE_ATTRIBUTE_REPARSE_POINT != 0 and
+                        s.st_reparse_tag == stat.IO_REPARSE_TAG_APPEXECLINK):
+                    # This is a Windows Store link which we can't
+                    # resolve, so just do our best otherwise.
+                    f = f.parent.resolve() / f.name
+                else:
+                    raise
             if builddir in f.parents:
                 return
             if srcdir in f.parents: