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authorMasahiro Yamada <yamada.masahiro@socionext.com>2019-01-17 13:02:43 +0300
committerMasahiro Yamada <yamada.masahiro@socionext.com>2019-01-28 03:11:17 +0300
commitafa974b771281fd89e8fdcb71152152f17fb8303 (patch)
treeb6a3de04148c2207d3cd094b70820160e24d0420 /scripts/Makefile.modpost
parent5d680056cb6de18f0221e321ee51d60ccd700781 (diff)
downloadlinux-afa974b771281fd89e8fdcb71152152f17fb8303.tar.xz
kbuild: add real-prereqs shorthand for $(filter-out FORCE,$^)
In Kbuild, if_changed and friends must have FORCE as a prerequisite. Hence, $(filter-out FORCE,$^) or $(filter-out $(PHONY),$^) is a common idiom to get the names of all the prerequisites except phony targets. Add real-prereqs as a shorthand. Note: We cannot replace $(filter %.o,$^) in cmd_link_multi-m because $^ may include auto-generated dependencies from the .*.cmd file when a single object module is changed into a multi object module. Refer to commit 69ea912fda74 ("kbuild: remove unneeded link_multi_deps"). I added some comment to avoid accidental breakage. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'scripts/Makefile.modpost')
-rw-r--r--scripts/Makefile.modpost2
1 files changed, 1 insertions, 1 deletions
diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
index 7d4af0d0accb..c0b7f526f95e 100644
--- a/scripts/Makefile.modpost
+++ b/scripts/Makefile.modpost
@@ -122,7 +122,7 @@ quiet_cmd_ld_ko_o = LD [M] $@
cmd_ld_ko_o = \
$(LD) -r $(KBUILD_LDFLAGS) \
$(KBUILD_LDFLAGS_MODULE) $(LDFLAGS_MODULE) \
- -o $@ $(filter-out FORCE,$^) ; \
+ -o $@ $(real-prereqs) ; \
$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
$(modules): %.ko :%.o %.mod.o FORCE