[vsipl++] [patch] more cleanup with benchmarks

[Don McCoy]

Stefan Seefeld wrote:
> Here is a slightly reworked patch (for configure.ac) that addresses my concern:
> AC_PROG_CXX and AC_PROG_CC are called once, but with context-dependent arguments.
> I can't pretend to fully understand the involved m4 macros, or even the generated
> configure script, but the general conditional logic appears to be fine now.
>
> What do you think ?
>   
Looks good to me.  Thanks!

-- 
Don McCoy
don (at) CodeSourcery
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