kbuild: Build modules as '.ko'

3 files changed, 20 insertions, 10 deletions

diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 37e73b5e0b9b..4bccbe923690 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -46,7 +46,7 @@ endif
 endif
 
 __build: $(if $(KBUILD_BUILTIN),$(O_TARGET) $(L_TARGET) $(EXTRA_TARGETS)) \
-	 $(if $(KBUILD_MODULES),$(obj-m)) \
+	 $(if $(KBUILD_MODULES),$(obj-m:.o=.ko)) \
 	 $(subdir-ym) $(build-targets)
 	@:
 
@@ -172,21 +172,29 @@ endif
 #
 # Rule to link composite objects
 #
+quiet_cmd_link_multi-y = LD      $@
+cmd_link_multi-y = $(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) -r -o $@ $(filter $(addprefix $(obj)/,$($(subst $(obj)/,,$(@:.o=-objs))) $($(subst $(obj)/,,$(@:.o=-y)))),$^)
 
-quiet_cmd_link_multi = LD $(quiet_modtag)  $@
-cmd_link_multi = $(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) -r -o $@ $(filter $(addprefix $(obj)/,$($(subst $(obj)/,,$(@:.o=-objs))) $($(subst $(obj)/,,$(@:.o=-y)))),$^)
+quiet_cmd_link_multi-m = LD [M]  $@
+cmd_link_multi-m = $(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) $(LDFLAGS_MODULE) -o $@ $(filter $(addprefix $(obj)/,$($(subst $(obj)/,,$(@:.ko=-objs))) $($(subst $(obj)/,,$(@:.ko=-y)))),$^)
+
+quiet_cmd_link_single-m = LD [M]  $@
+cmd_link_single-m = $(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) $(LDFLAGS_MODULE) -o $@ $<
 
 # We would rather have a list of rules like
 # 	foo.o: $(foo-objs)
 # but that's not so easy, so we rather make all composite objects depend
 # on the set of all their parts
 $(multi-used-y) : %.o: $(multi-objs-y) FORCE
-	$(call if_changed,link_multi)
+	$(call if_changed,link_multi-y)
+
+$(multi-used-m:.o=.ko) : %.ko: $(multi-objs-m) FORCE
+	$(call if_changed,link_multi-m)
 
-$(multi-used-m) : %.o: $(multi-objs-m) FORCE
-	$(call if_changed,link_multi)
+$(single-used-m:.o=.ko) : %.ko: %.o FORCE
+	$(call if_changed,link_single-m)
 
-targets += $(multi-used-y) $(multi-used-m)
+targets += $(multi-used-y) $(multi-used-m:.o=.ko) $(single-used-m:.o=.ko)
 
 # Compile programs on the host
 # ===========================================================================
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 2fd252467066..f21c0905c2da 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -43,6 +43,7 @@ __obj-m = $(filter-out export.o,$(obj-m))
 multi-used-y := $(sort $(foreach m,$(__obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))), $(m))))
 multi-used-m := $(sort $(foreach m,$(__obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))), $(m))))
 multi-used   := $(multi-used-y) $(multi-used-m)
+single-used-m := $(filter-out $(multi-used-m),$(obj-m))
 
 # Build list of the parts of our composite objects, our composite
 # objects depend on those (obviously)
@@ -99,6 +100,7 @@ export-objs	:= $(addprefix $(obj)/,$(export-objs))
 subdir-obj-y	:= $(addprefix $(obj)/,$(subdir-obj-y))
 real-objs-y	:= $(addprefix $(obj)/,$(real-objs-y))
 real-objs-m	:= $(addprefix $(obj)/,$(real-objs-m))
+single-used-m	:= $(addprefix $(obj)/,$(single-used-m))
 multi-used-y	:= $(addprefix $(obj)/,$(multi-used-y))
 multi-used-m	:= $(addprefix $(obj)/,$(multi-used-m))
 multi-objs-y	:= $(addprefix $(obj)/,$(multi-objs-y))
diff --git a/scripts/Makefile.modinst b/scripts/Makefile.modinst
index 45f5387d365f..1ea62f1c679c 100644
--- a/scripts/Makefile.modinst
+++ b/scripts/Makefile.modinst
@@ -15,12 +15,12 @@ include scripts/Makefile.lib
 
 # ==========================================================================
 
-quiet_cmd_modules_install = INSTALL $(obj-m)
+quiet_cmd_modules_install = INSTALL $(obj-m:.o=.ko)
       cmd_modules_install = mkdir -p $(MODLIB)/kernel && \
-		      cp $(obj-m) $(MODLIB)/kernel/
+		      cp $(obj-m:.o=.ko) $(MODLIB)/kernel/
 
 modules_install: $(subdir-ym)
-ifneq ($(obj-m),)
+ifneq ($(obj-m:.o=.ko),)
 	$(call cmd,modules_install)
 else
 	@: