From 45a9a680a3cf54d4f43c46c3ec43a108ee62b834 Mon Sep 17 00:00:00 2001
From: Elliott Sales de Andrade <quantum.analyst@gmail.com>
Date: Mon, 25 Sep 2017 00:22:58 -0400
Subject: Use BoolVariable for third-party options.

---
 drivers/png/SCsub | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'drivers/png/SCsub')

diff --git a/drivers/png/SCsub b/drivers/png/SCsub
index 6684e36b20..39480351a6 100644
--- a/drivers/png/SCsub
+++ b/drivers/png/SCsub
@@ -5,7 +5,7 @@ Import('env')
 env_png = env.Clone()
 
 # Thirdparty source files
-if (env['builtin_libpng'] != 'no'):
+if env['builtin_libpng']:
     thirdparty_dir = "#thirdparty/libpng/"
     thirdparty_sources = [
         "png.c",
-- 
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