diff --git a/ChangeLog b/ChangeLog
index 3ad139093..cc39f459c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2007-09-03  Kevin Ryde  <user42@zip.com.au>
+
+	* configure.in (AC_CHECK_FUNCS): Add clog and cexp.
+
 2007-09-02  Ludovic Courtès  <ludo@gnu.org>
 
 	* NEWS: Mention memory leak fix in `make-socket-address'.
diff --git a/libguile/ChangeLog b/libguile/ChangeLog
index fecc69e3b..fd1561a13 100644
--- a/libguile/ChangeLog
+++ b/libguile/ChangeLog
@@ -1,3 +1,10 @@
+2007-09-03  Kevin Ryde  <user42@zip.com.au>
+
+	* numbers.c (scm_log): Test HAVE_CLOG as well as HAVE_COMPLEX_DOUBLE
+	before using clog().  It's possible for gcc to provide the "complex
+	double" type, but for the system not to have the complex funcs.
+	(scm_exp): Ditto HAVE_CEXP for cexp().
+
 2007-09-02  Ludovic Courtès  <ludo@gnu.org>
 
 	* socket.c (scm_make_socket_address): Free C_ADDRESS after use.
@@ -6,7 +13,7 @@
 2007-08-23  Ludovic Courtès  <ludo@gnu.org>
 
 	* read.c (scm_read_quote): Record position and copy source
-	expression when asked to.  Reported by Kevin Ryde.
+	expression when asked to.  Reported by Kevin.
 
 	* stime.c: Define `_REENTRANT' only if not already defined.