When you build targets that require the kernel configuration, dot-config
is set to 1, then the top-level Makefile includes auto.conf. However,
Make considers its inclusion is optional because the '-include' directive
is used.
If a necessary configuration file is missing for the external module
building, the following error message is displayed:
ERROR: Kernel configuration is invalid.
include/generated/autoconf.h or include/config/auto.conf are missing.
Run 'make oldconfig && make prepare' on kernel src to fix it.
However, Make still continues building; /bin/false let the creation of
'include/config/auto.config' fail, but Make can ignore the error since
it is included by the '-include' directive.
Use the 'include' directive instead. This allows the /bin/false
to correctly terminate the whole build process.
Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
---
Changes in v2:
- New patch
Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Makefile b/Makefile
index ca2af1a..413c2ed 100644
--- a/Makefile
+++ b/Makefile
@@ -589,7 +589,7 @@ virt-y := virt/
endif # KBUILD_EXTMOD
ifeq ($(dot-config),1)
--include include/config/auto.conf
+include include/config/auto.conf
endif
# The all: target is the default when no target is given on the
--
2.7.4
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