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Re: [PATCH] Common cpuid wrappers, use SYS_cpuid when available


Piotr Henryk Dabrowski <ultr@ultr.pl> writes:

> +# SYS_cpuid syscall
> +libc_cv_sys_cpuid=no
> +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for x86 kernel with
> SYS_cpuid support" >&5 +$as_echo_n "checking for x86 kernel with SYS_cpuid
> support... " >&6; } +cat confdefs.h - <<_ACEOF >conftest.$ac_ext
> +/* end confdefs.h.  */
> +
> +  #if (defined(__i386__) || defined(__x86_64__)) && defined(__linux__)
> +  #include <sys/syscall.h>

You cannot use the host libc to check for features.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
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