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-rw-r--r--erts/etc/unix/run_erl.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/erts/etc/unix/run_erl.c b/erts/etc/unix/run_erl.c
index 725343d701..bfb3e1bd2c 100644
--- a/erts/etc/unix/run_erl.c
+++ b/erts/etc/unix/run_erl.c
@@ -43,10 +43,10 @@
#endif
#ifdef HAVE_WORKING_POSIX_OPENPT
# ifndef _XOPEN_SOURCE
- /* On OS X and BSD, we must leave _XOPEN_SOURCE undefined in order for
- * the prototype of vsyslog() to be included.
+ /* On OS X, BSD and Solaris, we must leave _XOPEN_SOURCE undefined in order
+ * for the prototype of vsyslog() to be included.
*/
-# if !(defined(__APPLE__) || defined(__FreeBSD__) || defined(__DragonFly__))
+# if !(defined(__APPLE__) || defined(__FreeBSD__) || defined(__DragonFly__) || defined(__sun))
# define _XOPEN_SOURCE 600
# endif
# endif