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build: make sure build fails when running kconfig fails
Because of using "-include", failure to (re)build auto.conf (with
auto.conf.cmd produced as a secondary target) won't stop make from
continuing the build. Arrange for it being possible to drop the - from
Rules.mk, requiring that the include be skipped for tools-only targets.
Note that relying on the inclusion in those cases wouldn't be correct
anyway, as it might be a stale file (yet to be rebuilt) which would be
included, while during initial build, the file would be absent
altogether.
Fixes: 8d4c17a90b ("xen/build: silence make warnings about missing auto.conf*")
Reported-by: Roger Pau Monné <roger.pau@citrix.com>
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Anthony PERARD <anthony.perard@citrix.com>
This commit is contained in:
Jan Beulich committed
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commit
d34e5fa2e8
2 files changed
+4
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@@ -375,6 +375,7 @@ $(KCONFIG_CONFIG): tools_fixdep
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# This exploits the 'multi-target pattern rule' trick.
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# The syncconfig should be executed only once to make all the targets.
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include/config/%.conf include/config/%.conf.cmd: $(KCONFIG_CONFIG)
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$(Q)rm -f include/config/auto.conf
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$(Q)$(MAKE) $(build)=tools/kconfig syncconfig
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ifeq ($(CONFIG_DEBUG),y)
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+3
-1
@@ -15,7 +15,9 @@ srcdir := $(srctree)/$(src)
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PHONY := __build
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__build:
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-include $(objtree)/include/config/auto.conf
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ifneq ($(firstword $(subst /, ,$(obj))),tools)
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include $(objtree)/include/config/auto.conf
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endif
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include $(XEN_ROOT)/Config.mk
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include $(srctree)/scripts/Kbuild.include
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