From f39d2cc3bfa1dd4983cbe5adfb6c6e87dd09d684 Mon Sep 17 00:00:00 2001
From: Marcel Hollerbach <mail@marcel-hollerbach.de>
Date: Fri, 21 Jun 2019 14:44:09 +0200
Subject: meson: add cache for getting options

calling this function too ~60 sec. before, now 0.000435 sec.
---
 mesonbuild/backend/backends.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mesonbuild/backend/backends.py b/mesonbuild/backend/backends.py
index 5e71933..3c18b14 100644
--- a/mesonbuild/backend/backends.py
+++ b/mesonbuild/backend/backends.py
@@ -226,6 +226,7 @@ class Backend:
                 return None
         raise AssertionError('BUG: Tried to link to {!r} which is not linkable'.format(target))
 
+    @lru_cache(maxsize=None)
     def get_target_dir(self, target):
         if self.environment.coredata.get_builtin_option('layout') == 'mirror':
             dirname = target.get_subdir()
-- 
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