Only in cygipc-1.13-2: ftok.dep
Only in cygipc-1.13-2: ftok.o
diff -rup cygipc-1.13-2.orig/include/IpcNtLit.h cygipc-1.13-2/include/IpcNtLit.h
--- cygipc-1.13-2.orig/include/IpcNtLit.h	2002-11-12 14:14:07.000000000 -0500
+++ cygipc-1.13-2/include/IpcNtLit.h	2003-05-12 08:16:14.000000000 -0400
@@ -48,24 +48,34 @@
 /************************************************************************/
 #if defined OLDCYGIPC
 # define CYGWIN_IPCNT_PKGNAME		"cygipc_"
-# define CYGWIN_IPCNT_SEMCTL		"MultiSemCtl_"
-# define CYGWIN_IPCNT_SEMSEM		"MultiSemSem_"
-# define CYGWIN_IPCNT_SEMSHM		"MultiSemShm_"
-# define CYGWIN_IPCNT_SEMMSG		"MultiSemMsg_"
+# define CYGWIN_IPCNT_SEMCTL_BASE	"MultiSemCtl_"
+# define CYGWIN_IPCNT_SEMSEM_BASE	"MultiSemSem_"
+# define CYGWIN_IPCNT_SEMSHM_BASE	"MultiSemShm_"
+# define CYGWIN_IPCNT_SEMMSG_BASE	"MultiSemMsg_"
 # define CYGWIN_IPCNT_FILESEM		"/tmp/MultiFileSem"
 # define CYGWIN_IPCNT_FILESHM		"/tmp/MultiFileShm"
 # define CYGWIN_IPCNT_FILEMSG		"/tmp/MultiFileMsg"
 #else
 # define CYGWIN_IPCNT_PKGNAME		"cygipc2_"
-# define CYGWIN_IPCNT_SEMCTL		"MultiSemCtl2_"
-# define CYGWIN_IPCNT_SEMSEM		"MultiSemSem2_"
-# define CYGWIN_IPCNT_SEMSHM		"MultiSemShm2_"
-# define CYGWIN_IPCNT_SEMMSG		"MultiSemMsg2_"
+# define CYGWIN_IPCNT_SEMCTL_BASE	"MultiSemCtl2_"
+# define CYGWIN_IPCNT_SEMSEM_BASE	"MultiSemSem2_"
+# define CYGWIN_IPCNT_SEMSHM_BASE	"MultiSemShm2_"
+# define CYGWIN_IPCNT_SEMMSG_BASE	"MultiSemMsg2_"
 # define CYGWIN_IPCNT_FILESEM		"/tmp/MultiFileSem2"
 # define CYGWIN_IPCNT_FILESHM		"/tmp/MultiFileShm2"
 # define CYGWIN_IPCNT_FILEMSG		"/tmp/MultiFileMsg2"
 #endif
 
+#define NAMESPACE_PREFIX "Global\\"
+#define FULL_NAMESPACE_PATH(name) \
+	({DWORD ver = GetVersion(); \
+	(ver < 0x80000000 && LOBYTE(LOWORD(ver)) >= 5) ? \
+	NAMESPACE_PREFIX name : name;})
+
+#define CYGWIN_IPCNT_SEMCTL	FULL_NAMESPACE_PATH(CYGWIN_IPCNT_SEMCTL_BASE)
+#define CYGWIN_IPCNT_SEMSEM	FULL_NAMESPACE_PATH(CYGWIN_IPCNT_SEMSEM_BASE)
+#define CYGWIN_IPCNT_SEMSHM	FULL_NAMESPACE_PATH(CYGWIN_IPCNT_SEMSHM_BASE)
+#define CYGWIN_IPCNT_SEMMSG	FULL_NAMESPACE_PATH(CYGWIN_IPCNT_SEMMSG_BASE)
 /************************************************************************/
 /* SEMAPHORE								*/
 /************************************************************************/