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kbuild: remove duplication from modules.order in sub-directories

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Currently, only the top-level modules.order drops duplicated entries.

The modules.order files in sub-directories potentially contain
duplication. To list out the paths of all modules, I want to use
modules.order instead of parsing *.mod files in $(MODVERDIR).

To achieve this, I want to rip off duplication from modules.order
of external modules too.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Masahiro Yamada 2019-07-17 15:17:51 +09:00
parent 1bd9a46801
commit e0e1b1ec39
1 changed files with 3 additions and 6 deletions
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9
scripts/Makefile.build
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@ -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)