diff --git a/src/libraries/libisc-new/ChangeLog b/src/libraries/libisc-new/ChangeLog
index 2a9e4274cecd36ddc9e5b77762129493af69edb5..76f6454ec2c9381816fe3acf5893ce26cfcce31e 100644
--- a/src/libraries/libisc-new/ChangeLog
+++ b/src/libraries/libisc-new/ChangeLog
@@ -8,6 +8,7 @@
 	(isc_gethostname): Ditto.
 	(isc_getportnum): Ditto.
 	(isc_getservice): Ditto.
+	* configure.in: Check for inline support.
 
 	Use INADDR_NONE to get rid of a compiler warning.
 	* src/isc_udp.c (isc_mkudpaddress): Use INADDR_NONE instead of -1.
diff --git a/src/libraries/libisc-new/configure.in b/src/libraries/libisc-new/configure.in
index 72e20b99e27e7ff1012c1a8fcaa9bb4f7715cf4f..790d873e56541fb78ccb7e1d7b316c34d6ecfd20 100644
--- a/src/libraries/libisc-new/configure.in
+++ b/src/libraries/libisc-new/configure.in
@@ -19,7 +19,7 @@ dnl Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 dnl Process this file with autoconf to produce a configure script.
 
-AC_REVISION($Revision: 1.10 $)dnl
+AC_REVISION($Revision: 1.11 $)dnl
 AC_PREREQ(2.53)
 AC_INIT(isc, 1.01)
 AC_CONFIG_SRCDIR([src/isc_master.c])
@@ -67,6 +67,7 @@ dnl Checks for typedefs, structures, and compiler characteristics.
 AM_PROG_CC_STDC
 AC_HEADER_TIME
 AC_C_CONST
+AC_C_INLINE
 AC_TYPE_SIZE_T
 AC_CHECK_DECL([INADDR_NONE],,
 	AC_DEFINE([INADDR_NONE],[(-1)], [Error indicator for inet_addr]),