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authorDimitri Staessens <dimitri.staessens@ugent.be>2018-10-06 18:06:47 +0200
committerDimitri Staessens <dimitri.staessens@ugent.be>2018-10-06 18:06:47 +0200
commit0b2e5c5410580c755cef02114e51f15b19cfaffa (patch)
tree63d684e6057c9caa43739b599d54a72f9959d4f8 /include/ouroboros/endian.h
parentbfc29ca20406ccd69363b0f9796987534318e7ae (diff)
parentd9ad3852613cda026d4520b5c608ada7433dd7d9 (diff)
downloadouroboros-0b2e5c5410580c755cef02114e51f15b19cfaffa.tar.gz
ouroboros-0b2e5c5410580c755cef02114e51f15b19cfaffa.zip
Merge branch 'testing' into be
Diffstat (limited to 'include/ouroboros/endian.h')
-rw-r--r--include/ouroboros/endian.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/ouroboros/endian.h b/include/ouroboros/endian.h
index f29b6749..04c2246a 100644
--- a/include/ouroboros/endian.h
+++ b/include/ouroboros/endian.h
@@ -23,9 +23,12 @@
#ifndef OUROBOROS_ENDIAN_H
#define OUROBOROS_ENDIAN_H
+
#if defined(__linux__) || defined(__CYGWIN__) || \
(defined(__MACH__) && !defined(__APPLE__))
-#define _DEFAULT_SOURCE
+#ifndef _DEFAULT_SOURCE
+#error You must define _DEFAULT_SOURCE before including this file
+#endif
#include <endian.h>
#elif defined(__NetBSD__) || defined(__FreeBSD__) || defined(__OpenBSD__)
#include <sys/endian.h>