Arjan van de Ven wrote:
Would
really prefer something at Kconfig-time, but we have no way of letting the
assembler version feed into the Kconfig system (nor do we want it, I
suspect).
config AS_VERSION
eval as --version | awk '{ ... }'
config time is not possible (not to mention it's not that uncommon to
config on a different box than you compile).
If we add the 'eval' Kconfig keyword, it becomes possible, but I guess
it isn't worth it if there are more users and anyway split
configure/compile, as you note, breaks it.
Makefile side is not that
hard; in fact what you'd need is a very small check similar to
scripts/gcc-x86_64-has-stack-protector.sh . While that checks a gcc
feature, checking the VMX operations via a C program with inline asm is
actually the most realistic test ANYWAY ...
The problem with that is that the test comes too late: after we've
configured. Andrew wants to keep allmodconfig working, and for that we
need to deselect CONFIG_KVM before compilation starts.
gcc.*protector.sh only affects the Makefile, not the configuration, AFAICT.
--
error compiling committee.c: too many arguments to function
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