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Subject[PATCH 4/7] kbuild: fix split-include dependency
Splitting of autoconf.h requires that split-include was built before,
needs to be-re-done when split-include changes. This dependency was
previously missing. Additionally, since autoconf.h is (suppoosed to
generated as a side effect of executing config targets, include/linux
should be created prior to running the respective sub-make.

Signed-off-by: Jan Beulich <>
Signed-off-by: Sam Ravnborg <>

Makefile | 10 ++++++----
1 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/Makefile b/Makefile
--- a/Makefile
+++ b/Makefile
@@ -382,6 +382,9 @@ RCS_TAR_IGNORE := --exclude SCCS --exclu
$(Q)$(MAKE) $(build)=scripts/basic

+# To avoid any implicit rule to kick in, define an empty command.
+scripts/basic/%: scripts_basic ;
.PHONY: outputmakefile
# outputmakefile generate a Makefile to be placed in output directory, if
# using a seperate output directory. This allows convinient use
@@ -444,9 +447,8 @@ ifeq ($(config-targets),1)
include $(srctree)/arch/$(ARCH)/Makefile

-config: scripts_basic outputmakefile FORCE
- $(Q)$(MAKE) $(build)=scripts/kconfig $@
-%config: scripts_basic outputmakefile FORCE
+config %config: scripts_basic outputmakefile FORCE
+ $(Q)mkdir -p include/linux
$(Q)$(MAKE) $(build)=scripts/kconfig $@

@@ -854,7 +856,7 @@ include/asm:

# Split autoconf.h into include/linux/config/*

-include/config/MARKER: include/linux/autoconf.h
+include/config/MARKER: scripts/basic/split-include include/linux/autoconf.h
@echo ' SPLIT include/linux/autoconf.h -> include/config/*'
@scripts/basic/split-include include/linux/autoconf.h include/config
@touch $@
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