diff --git a/ChangeLog b/ChangeLog
index 9b65dc8d..92553541 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+1999-04-29  Ossama Othman  <othman@cs.wustl.edu>
+
+	* ltconfig.in (dlopen): Declare it as extern "C" in C++.
+
 1999-04-29  Gary V. Vaughan  <gary@oranda.demon.co.uk>
 
 	* libtool.m4 (cygwin*|mingw*, DLLTOOL, OBJDUMP, AS): Only expand the
diff --git a/ltconfig.in b/ltconfig.in
index 79312b76..abc482f3 100755
--- a/ltconfig.in
+++ b/ltconfig.in
@@ -2079,6 +2079,9 @@ else
     which can conflict with char dlopen(); below.  */
 #include <assert.h>
 /* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char dlopen();