kbuild: implement modules.order

[safe/jmp/linux-2.6] / scripts / Makefile.build

diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index de9836e..db38ef4 100644 (file)
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -83,10 +83,12 @@ ifneq ($(strip $(obj-y) $(obj-m) $(obj-n) $(obj-) $(lib-target)),)
 builtin-target := $(obj)/built-in.o
 endif
 
+modorder-target := $(obj)/modules.order
+
 # We keep a list of all modules in $(MODVERDIR)
 
 __build: $(if $(KBUILD_BUILTIN),$(builtin-target) $(lib-target) $(extra-y)) \
-        $(if $(KBUILD_MODULES),$(obj-m)) \
+        $(if $(KBUILD_MODULES),$(obj-m) $(modorder-target)) \
         $(subdir-ym) $(always)
        @:
 
@@ -276,6 +278,19 @@ targets += $(builtin-target)
 endif # builtin-target
 
 #
+# Rule to create modules.order file
+#
+# Create commands to either record .ko file or cat modules.order from
+# a subdirectory
+modorder-cmds =                                                \
+       $(foreach m, $(modorder),                       \
+               $(if $(filter %/modules.order, $m),     \
+                       cat $m;, echo kernel/$m;))
+
+$(modorder-target): $(subdir-ym) FORCE
+       $(Q)(cat /dev/null; $(modorder-cmds)) > $@
+
+#
 # Rule to compile a set of .o files into one .a file
 #
 ifdef lib-target