* [PATCH] kbuild: use pattern rule for building built-in.a in sub-directories
@ 2019-12-18 16:05 Masahiro Yamada
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From: Masahiro Yamada @ 2019-12-18 16:05 UTC (permalink / raw)
To: linux-kbuild; +Cc: Masahiro Yamada, Michal Marek, linux-kernel
The built-in.a in a sub-directory is created by descending into that
directory. It does not depend on the other sub-directories. Loosen
the dependency.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/Makefile.build | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index e46b4ee9a120..a562d695f0fa 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -372,7 +372,7 @@ $(obj)/%.asn1.c $(obj)/%.asn1.h: $(src)/%.asn1 $(objtree)/scripts/asn1_compiler
# ---------------------------------------------------------------------------
# To build objects in subdirs, we need to descend into the directories
-$(sort $(subdir-obj-y)): $(subdir-ym) ;
+$(obj)/%/built-in.a: $(obj)/% ;
#
# Rule to compile a set of .o files into one .a file (without symbol table)
--
2.17.1
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2019-12-18 16:05 [PATCH] kbuild: use pattern rule for building built-in.a in sub-directories Masahiro Yamada
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