Comments.

diff --git a/src/constants.h b/src/constants.h
index 6fca7494e6ecf9cc93f6d865611e16daf4272aac..f97b0cb141c36bb3d6a7274cd4606da036ae041a 100644 (file)
--- a/src/constants.h
+++ b/src/constants.h
@@ -4,6 +4,9 @@
    documentation.  Your code should not require other macros to
    be defined here to function properly. */
 
+/* Do not use C++-style (//) comments in this file.
+   You will break the build. */
+
 /* Example definition. */
 /*#define MACRONAME 1 */