/* cmake substitions cannot be escaped */
#define MESSAGE1 "${var1}"
#define MESSAGE2 "\${var1}"
#define MESSAGE3 "\\\\${var1}"
#define MESSAGE4 "\\\\\${var1}"
#define MESSAGE5 "@var1@"
#define MESSAGE6 "\\@var1@"
#define MESSAGE7 "\\\\@var1@"

/* backslash is an invalid variable character */
#define MESSAGE8 "@var1\@"
