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-rw-r--r--scripts/Makefile.build9
1 files changed, 3 insertions, 6 deletions
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 10e92a27ec20..be32a3752de4 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -423,13 +423,10 @@ endif # builtin-target
#
# 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 $m;))
-
$(modorder-target): $(subdir-ym) FORCE
- $(Q)(cat /dev/null; $(modorder-cmds)) > $@
+ $(Q){ $(foreach m, $(modorder), \
+ $(if $(filter %/modules.order, $m), cat $m, echo $m);) :; } \
+ | $(AWK) '!x[$$0]++' - > $@
#
# Rule to compile a set of .o files into one .a file (with symbol table)