1 files changed, 3 insertions, 2 deletions

diff --git a/c-api/compat-5.3.c b/c-api/compat-5.3.c
index be7f87e..42b0a4b 100644
--- a/c-api/compat-5.3.c
+++ b/c-api/compat-5.3.c
@@ -28,8 +28,9 @@
 #endif /* VC++ _fsopen for share-allowed file read */
 
 #ifndef COMPAT53_HAVE_STRERROR_R
-#  if defined(__GLIBC__) || defined(_POSIX_VERSION) || defined(__APPLE__) || \
-      (!defined (__MINGW32__) && defined(__GNUC__) && (__GNUC__ < 6))
+#  if (defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 200112L) || \
+      (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE >= 600) || \
+      defined(__APPLE__)
 #    define COMPAT53_HAVE_STRERROR_R 1
 #  else /* none of the defines matched: define to 0 */
 #    define COMPAT53_HAVE_STRERROR_R 0