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-rw-r--r--arch/um/scripts/Makefile.rules16
1 files changed, 15 insertions, 1 deletions
diff --git a/arch/um/scripts/Makefile.rules b/arch/um/scripts/Makefile.rules
index 143f6fea076..ea3c8745fb6 100644
--- a/arch/um/scripts/Makefile.rules
+++ b/arch/um/scripts/Makefile.rules
@@ -10,4 +10,18 @@ USER_OBJS := $(foreach file,$(USER_OBJS),$(obj)/$(file))
$(USER_OBJS): c_flags = -Wp,-MD,$(depfile) $(USER_CFLAGS) $(CFLAGS_$(notdir $@))
quiet_cmd_make_link = SYMLINK $@
-cmd_make_link = rm -f $@; ln -sf $(srctree)/arch/$(SUBARCH)/$($(notdir $@)-dir)/$(notdir $@) $@
+cmd_make_link = ln -sf $(srctree)/arch/$(SUBARCH)/$($(notdir $@)-dir)/$(notdir $@) $@
+
+# this needs to be before the foreach, because targets does not accept
+# complete paths like $(obj)/$(f). To make sure this works, use a := assignment,
+# or we will get $(obj)/$(f) in the "targets" value.
+# Also, this forces you to use the := syntax when assigning to targets.
+# Otherwise the line below will cause an infinite loop (if you don't know why,
+# just do it).
+
+targets := $(targets) $(SYMLINKS)
+
+SYMLINKS := $(foreach f,$(SYMLINKS),$(obj)/$(f))
+
+$(SYMLINKS): FORCE
+ $(call if_changed,make_link)