_mt instead of -mt

src/uifc/Common.make

 UIFCLIB  =       $(UIFC_SRC)$(DIRSEP)$(LIBODIR)$(DIRSEP)$(LIBPREFIX)uifc$(LIBFILE)
-UIFCLIB-MT  =       $(UIFC_SRC)$(DIRSEP)$(LIBODIR)$(DIRSEP)$(LIBPREFIX)uifc-mt$(LIBFILE)
+UIFCLIB-MT  =       $(UIFC_SRC)$(DIRSEP)$(LIBODIR)$(DIRSEP)$(LIBPREFIX)uifc_mt$(LIBFILE)
 
 UIFC_CFLAGS   =       -I$(UIFC_SRC)
 UIFC_LDFLAGS  =       -L$(UIFC_SRC)$(DIRSEP)$(LIBODIR)
 UIFC-MT_CFLAGS   =       -I$(UIFC_SRC)
 UIFC-MT_LDFLAGS  =       -L$(UIFC_SRC)$(DIRSEP)$(LIBODIR)
 UIFC_LIBS	=	-luifc
-UIFC-MT_LIBS	=	-luifc-mt
+UIFC-MT_LIBS	=	-luifc_mt

src/xpdev/Common.make

 # Available Options:
 
 XPDEV_LIB		=	$(XPDEV_SRC)$(DIRSEP)$(LIBODIR)$(DIRSEP)$(LIBPREFIX)xpdev$(LIBFILE)
-XPDEV-MT_LIB		=	$(XPDEV_SRC)$(DIRSEP)$(LIBODIR)$(DIRSEP)$(LIBPREFIX)xpdev-mt$(LIBFILE)
+XPDEV-MT_LIB		=	$(XPDEV_SRC)$(DIRSEP)$(LIBODIR)$(DIRSEP)$(LIBPREFIX)xpdev_mt$(LIBFILE)
 
 XPDEV_CFLAGS	=	-I$(XPDEV_SRC)
 XPDEV_LDFLAGS	=	-L$(XPDEV_SRC)$(DIRSEP)$(LIBODIR)
 XPDEV-MT_CFLAGS	=	$(XPDEV_CFLAGS)
 XPDEV-MT_LDFLAGS=	$(XPDEV_LDFLAGS)
 XPDEV_LIBS	=	-lxpdev
-XPDEV-MT_LIBS	=	-lxpdev-mt
+XPDEV-MT_LIBS	=	-lxpdev_mt