From f19058df6541ebf3a8baed7ffd9b01435d9fddfc Mon Sep 17 00:00:00 2001
From: Ivan Kravets <me@ikravets.com>
Date: Fri, 6 May 2022 19:40:00 +0300
Subject: [PATCH] Try to resolve paths if the common part is not found

---
 platformio/builder/tools/piolib.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/platformio/builder/tools/piolib.py b/platformio/builder/tools/piolib.py
index 55f1b7d1..4a8e58fb 100644
--- a/platformio/builder/tools/piolib.py
+++ b/platformio/builder/tools/piolib.py
@@ -163,7 +163,13 @@ class LibBuilderBase(object):
             p2 = p2.lower()
         if p1 == p2:
             return True
-        return os.path.commonprefix((p1 + os.path.sep, p2)) == p1 + os.path.sep
+        p1 = p1 + os.path.sep
+        if os.path.commonprefix([p1, p2]) == p1:
+            return True
+        # try to resolve paths
+        p1 = os.path.os.path.realpath(p1)
+        p2 = os.path.os.path.realpath(p2)
+        return os.path.commonprefix([p1, p2]) == p1
 
     @property
     def name(self):