1 files changed, 5 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/libpthread/pthread_errno.c b/mdk-stage1/dietlibc/libpthread/pthread_errno.c
new file mode 100644
index 000000000..d035544ad
--- /dev/null
+++ b/mdk-stage1/dietlibc/libpthread/pthread_errno.c
@@ -0,0 +1,5 @@
+int errno;
+
+#include "dietwarning.h"
+
+link_warning("errno","\e[1;33;41m>>> your multithreaded code uses errno! <<<\e[0m");