perf tools: Fix build error on read only source.

[sfrench/cifs-2.6.git] / scripts / Makefile.clean

diff --git a/scripts/Makefile.clean b/scripts/Makefile.clean
index 8974ea5fc878896fac077f274af8a6c60c91568d..6f89fbb56256987bf0c002683f85941ccddc861a 100644 (file)
--- a/scripts/Makefile.clean
+++ b/scripts/Makefile.clean
@@ -4,7 +4,7 @@
 
 src := $(obj)
 
-.PHONY: __clean
+PHONY := __clean
 __clean:
 
 # Shorthand for $(Q)$(MAKE) scripts/Makefile.clean obj=dir
@@ -37,10 +37,10 @@ subdir-ymn      := $(sort $(subdir-ym) $(subdir-n) $(subdir-))
 
 subdir-ymn     := $(addprefix $(obj)/,$(subdir-ymn))
 
-# build a list of files to remove, usually releative to the current
+# build a list of files to remove, usually relative to the current
 # directory
 
-__clean-files  := $(extra-y) $(EXTRA_TARGETS) $(always) \
+__clean-files  := $(extra-y) $(always)                  \
                   $(targets) $(clean-files)             \
                   $(host-progs)                         \
                   $(hostprogs-y) $(hostprogs-m) $(hostprogs-)
@@ -87,10 +87,16 @@ endif
 # Descending
 # ---------------------------------------------------------------------------
 
-.PHONY: $(subdir-ymn)
+PHONY += $(subdir-ymn)
 $(subdir-ymn):
        $(Q)$(MAKE) $(clean)=$@
 
 # If quiet is set, only print short version of command
 
 cmd = @$(if $($(quiet)cmd_$(1)),echo '  $($(quiet)cmd_$(1))' &&) $(cmd_$(1))
+
+
+# Declare the contents of the .PHONY variable as phony.  We keep that
+# information in a variable se we can use it in if_changed and friends.
+
+.PHONY: $(PHONY)