Re: [PATCH 2/4] configure: cleanup CFLAGS and LDFLAGS for submodules

[Richard Henderson]

On 9/20/20 2:30 AM, Paolo Bonzini wrote:
> The -g and -O2 flags that configure adds to CFLAGS are only used by 
> submodules,
> so do not put anymore the confusing CFLAGS variable in config-host.mak and
> replace it with more explicit SUBMODULE_CFLAGS variable.
> 
> There was also no equivalent SUBMODULE_LDFLAGS variable, add it.  This would
> theoretically help with LTO if we want -g and -O2 options on the command line.
> I say "theoretically" because submodules should not be linking anything; but
> since we were passing an "LD" variable we might as well get its flags right.
> 
> CFLAGS are now synthesized in the configuration summary as a quick way to 
> present
> --enable-debug and --enable-debug-info.
> 
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~