From 3d5118d406db52ec0a701270d71522864b425578 Mon Sep 17 00:00:00 2001
From: rdb <git@rdb.name>
Date: Wed, 28 May 2014 15:55:18 +0000
Subject: [PATCH] Unlink symlink before re-creating

---
 makepanda/makepandacore.py | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/makepanda/makepandacore.py b/makepanda/makepandacore.py
index 93c2ba3bf6..5ee36e6c91 100644
--- a/makepanda/makepandacore.py
+++ b/makepanda/makepandacore.py
@@ -2328,15 +2328,20 @@ def SetupBuildEnvironment(compiler):
 ########################################################################
 
 def CopyFile(dstfile, srcfile):
-    if (dstfile[-1]=='/'):
+    if dstfile[-1] == '/':
         dstdir = dstfile
         fnl = srcfile.rfind("/")
-        if (fnl < 0): fn = srcfile
-        else: fn = srcfile[fnl+1:]
+        if fnl < 0:
+            fn = srcfile
+        else:
+            fn = srcfile[fnl+1:]
         dstfile = dstdir + fn
+
     if NeedsBuild([dstfile], [srcfile]):
         if os.path.islink(srcfile):
             # Preserve symlinks
+            if os.path.exists(dstfile):
+                os.unlink(dstfile)
             os.symlink(os.readlink(srcfile), dstfile)
         else:
             WriteBinaryFile(dstfile, ReadBinaryFile(srcfile))