From f7e46b97e92e142182a03a4801fe308bbdca76f5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fran=C3=A7ois=20Revol?= <revol@free.fr>
Date: Thu, 14 Jun 2018 14:27:06 +0200
Subject: [PATCH] atari: work around 'longjmp' undeclared error

This seems to be due to glibc headers being installed instead of MiNT
ones...
---
 src/fileformats.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/fileformats.c b/src/fileformats.c
index 4dd04d40..c180d139 100644
--- a/src/fileformats.c
+++ b/src/fileformats.c
@@ -27,6 +27,9 @@
 ///@file fileformats.c
 /// Saving and loading different picture formats.
 
+#ifdef __MINT__
+#undef _GNU_SOURCE
+#endif
 #include <string.h>
 #ifndef __no_pnglib__
 #include <png.h>