4 files changed, 9 insertions, 13 deletions
diff --git a/lib/libc/amd64/gen/frexp.c b/lib/libc/amd64/gen/frexp.c
index 0882b72..25baeca 100644
--- a/lib/libc/amd64/gen/frexp.c
+++ b/lib/libc/amd64/gen/frexp.c
@@ -31,10 +31,8 @@
  * SUCH DAMAGE.
  */
 
-#if defined(LIBC_RCS) && !defined(lint)
-static const char rcsid[] =
-  "$FreeBSD$";
-#endif /* LIBC_RCS and not lint */
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
 
 #include <sys/types.h>
 #include <math.h>
diff --git a/lib/libc/amd64/gen/infinity.c b/lib/libc/amd64/gen/infinity.c
index ac92d46..966a06e 100644
--- a/lib/libc/amd64/gen/infinity.c
+++ b/lib/libc/amd64/gen/infinity.c
@@ -1,8 +1,10 @@
 /*
  * infinity.c
- * $FreeBSD$
  */
 
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
 #include <math.h>
 
 /* bytes for +Infinity on a 387 */
diff --git a/lib/libc/amd64/gen/isinf.c b/lib/libc/amd64/gen/isinf.c
index 8a34d4b..4c49f9a 100644
--- a/lib/libc/amd64/gen/isinf.c
+++ b/lib/libc/amd64/gen/isinf.c
@@ -31,10 +31,8 @@
  * SUCH DAMAGE.
  */
 
-#if defined(LIBC_RCS) && !defined(lint)
-static const char rcsid[] =
-  "$FreeBSD$";
-#endif /* LIBC_RCS and not lint */
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
 
 #include <sys/types.h>
 
diff --git a/lib/libc/amd64/gen/ldexp.c b/lib/libc/amd64/gen/ldexp.c
index 3ee9e090..bb82b14 100644
--- a/lib/libc/amd64/gen/ldexp.c
+++ b/lib/libc/amd64/gen/ldexp.c
@@ -34,10 +34,8 @@
  * SUCH DAMAGE.
  */
 
-#if defined(LIBC_RCS) && !defined(lint)
-static const char rcsid[] =
-  "$FreeBSD$";
-#endif /* LIBC_RCS and not lint */
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
 
 /*
  * ldexp(value, exp): return value * (2 ** exp).