--- a/UnixOperatingSystem.st	Fri Apr 26 13:36:40 2013 +0200
+++ b/UnixOperatingSystem.st	Fri Apr 26 14:04:48 2013 +0200
@@ -5182,6 +5182,8 @@
 
     if (__isStringLike(pathName)) {
 #ifdef HAS_REALPATH
+	extern char *realpath();
+
         // POSIX-2008 says, that a NULL namebuffer causes realPath to malloc()
         // the required memory. But this does not work as of 2013-04
         char nameBuffer[MAXPATHLEN+1];
@@ -13534,11 +13536,11 @@
 !UnixOperatingSystem class methodsFor:'documentation'!
 
 version
-    ^ '$Header: /cvs/stx/stx/libbasic/UnixOperatingSystem.st,v 1.314 2013-04-25 13:08:04 stefan Exp $'
+    ^ '$Header: /cvs/stx/stx/libbasic/UnixOperatingSystem.st,v 1.315 2013-04-26 12:04:48 cg Exp $'
 !
 
 version_CVS
-    ^ '$Header: /cvs/stx/stx/libbasic/UnixOperatingSystem.st,v 1.314 2013-04-25 13:08:04 stefan Exp $'
+    ^ '$Header: /cvs/stx/stx/libbasic/UnixOperatingSystem.st,v 1.315 2013-04-26 12:04:48 cg Exp $'
 ! !