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kbuild: disable header exports for UML in a straightforward way

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[ Upstream commit 1b620d539ccc18a1aca1613d9ff078115a7891a1 ]

Previously 'make ARCH=um headers' stopped because of missing
arch/um/include/uapi/asm/Kbuild.

The error is not shown since commit ed102bf2afed ("um: Fix W=1
missing-include-dirs warnings") added arch/um/include/uapi/asm/Kbuild.

Hard-code the unsupported architecture, so it works like before.

Fixes: ed102bf2afed ("um: Fix W=1 missing-include-dirs warnings")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Masahiro Yamada 2022-09-01 10:12:52 +09:00 committed by Greg Kroah-Hartman
parent 12202e0f74
commit 657d9d8ac3
1 changed files with 1 additions and 2 deletions
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3
Makefile
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@ -1332,8 +1332,7 @@ hdr-inst := -f $(srctree)/scripts/Makefile.headersinst obj
PHONY += headers
headers: $(version_h) scripts_unifdef uapi-asm-generic archheaders archscripts
$(if $(wildcard $(srctree)/arch/$(SRCARCH)/include/uapi/asm/Kbuild),, \
$(error Headers not exportable for the $(SRCARCH) architecture))
$(if $(filter um, $(SRCARCH)), $(error Headers not exportable for UML))
$(Q)$(MAKE) $(hdr-inst)=include/uapi
$(Q)$(MAKE) $(hdr-inst)=arch/$(SRCARCH)/include/uapi