tools/libxl: move libxenlight to tools/libs/light

Carve out all libxenlight related sources and move them to
tools/libs/light in order to use the generic library build environment.

The closely related sources for libxl-save-helper and the libxl test
environment are being moved, too.

Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: Wei Liu <wl@xen.org>

tools/Rules.mk

@@ -15,9 +15,7 @@ XEN_INCLUDE        = $(XEN_ROOT)/tools/include
 
 include $(XEN_ROOT)/tools/libs/uselibs.mk
 
-XEN_libxenlight    = $(XEN_ROOT)/tools/libxl
-# Currently libxlutil lives in the same directory as libxenlight
-XEN_libxlutil      = $(XEN_libxenlight)
+XEN_libxlutil      = $(XEN_ROOT)/tools/libxl
 
 CFLAGS_xeninclude = -I$(XEN_INCLUDE)
 
@@ -107,6 +105,8 @@ ifeq ($(CONFIG_Linux),y)
 LDLIBS_libxenstore += -ldl
 endif
 
+CFLAGS_libxenlight += $(CFLAGS_libxenctrl)
+
 ifeq ($(debug),y)
 # Disable optimizations
 CFLAGS += -O0 -fno-omit-frame-pointer
@@ -116,11 +116,6 @@ else
 CFLAGS += -O2 -fomit-frame-pointer
 endif
 
-CFLAGS_libxenlight = -I$(XEN_libxenlight) $(CFLAGS_libxenctrl) $(CFLAGS_xeninclude)
-SHDEPS_libxenlight = $(SHLIB_libxenctrl) $(SHLIB_libxenstore) $(SHLIB_libxenhypfs) $(SHLIB_libxenguest)
-LDLIBS_libxenlight = $(SHDEPS_libxenlight) $(XEN_libxenlight)/libxenlight$(libextension)
-SHLIB_libxenlight  = $(SHDEPS_libxenlight) -Wl,-rpath-link=$(XEN_libxenlight)
-
 CFLAGS_libxlutil = -I$(XEN_libxlutil)
 SHDEPS_libxlutil = $(SHLIB_libxenlight)
 LDLIBS_libxlutil = $(SHDEPS_libxlutil) $(XEN_libxlutil)/libxlutil$(libextension)