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-rw-r--r--libs/nixio/src/syslog.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libs/nixio/src/syslog.c b/libs/nixio/src/syslog.c
index b3d87e2061..9b3581df1a 100644
--- a/libs/nixio/src/syslog.c
+++ b/libs/nixio/src/syslog.c
@@ -35,7 +35,9 @@ static int nixio_openlog(lua_State *L) {
} else if (!strcmp(flag, "pid")) {
option |= LOG_PID;
} else if (!strcmp(flag, "perror")) {
+#ifdef LOG_PERROR
option |= LOG_PERROR;
+#endif
} else if (!strcmp(flag, "ndelay")) {
option |= LOG_NDELAY;
} else if (!strcmp(flag, "odelay")) {