From 128883fa05336fa16d5918d9308fdc45616d7daf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Fri, 1 Jan 2021 23:35:55 +0100
Subject: [PATCH] box-drawing: guard GCC pragma with #if defined(__GNUC__)

---
 box-drawing.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/box-drawing.c b/box-drawing.c
index ebbdfede..30baf6ee 100644
--- a/box-drawing.c
+++ b/box-drawing.c
@@ -15,7 +15,9 @@
 #define LIGHT 1.0
 #define HEAVY 2.0
 
-#pragma GCC optimize("Os")
+#if defined(__GNUC__)
+ #pragma GCC optimize("Os")
+#endif
 
 struct buf {
     uint8_t *data;