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kbuild: forbid kernel directory to contain spaces and colons
When the kernel path contains a space or a colon somewhere in the path name, the modules_install target doesn't work anymore, as the path names are not enclosed in double quotes. It is also supposed that and O= build will suffer from the same weakness as modules_install. Instead of checking and improving kbuild to resist to directories including these characters, error out early to prevent any build if the kernel's main directory contains a space. Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Michal Marek <mmarek@suse.com>
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Makefile
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Makefile
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@ -128,6 +128,10 @@ _all:
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# Cancel implicit rules on top Makefile
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$(CURDIR)/Makefile Makefile: ;
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ifneq ($(words $(subst :, ,$(CURDIR))), 1)
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$(error main directory cannot contain spaces nor colons)
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endif
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ifneq ($(KBUILD_OUTPUT),)
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# Invoke a second make in the output directory, passing relevant variables
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# check that the output directory actually exists
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