libc: add comment to empty sys/cdefs.h file

This documents the reason to exist for this otherwise odd-looking empty header file. Signed-off-by: Benjamin Cabé <benjamin@zephyrproject.org>
5 months ago · 0c2c0c4328
1 changed files with 4 additions and 0 deletions
--- a/lib/libc/minimal/include/sys/cdefs.h
+++ b/lib/libc/minimal/include/sys/cdefs.h
@ -0,0 +1,4 @@
				@@ -0,0 +1,4 @@
+/**
+ * This file is intentionally empty.
+ * It allows code including it to compile with the minimal libc.
+ */