[dpdk-dev] [PATCH] Enable AddressSanitizer feature on DPDK

[Peng, ZhihongX]

> -----Original Message-----
> From: Stephen Hemminger <stephen at networkplumber.org>
> Sent: Friday, September 10, 2021 10:48 AM
> To: Peng, ZhihongX <zhihongx.peng at intel.com>
> Cc: Burakov, Anatoly <anatoly.burakov at intel.com>; Ananyev, Konstantin
> <konstantin.ananyev at intel.com>; dev at dpdk.org; Lin, Xueqin
> <xueqin.lin at intel.com>
> Subject: Re: [PATCH] Enable AddressSanitizer feature on DPDK
> 
> On Fri, 10 Sep 2021 02:01:47 +0000
> zhihongx.peng at intel.com wrote:
> 
> >
> > +if get_option('b_sanitize').startswith('address')
> > +	cflags += '-DRTE_MALLOC_ASAN'
> > +endif
> > +
> 
> This looks great, but can we make it just do-the-right-thing and get rid of the
> nerd knobs (i.e no meson configure).
> 
> The address sanitizer already has a way to detect if enabled.
> 
> GCC uses:
> __SANITIZE_ADDRESS__
> 
> Clang uses:
> #if defined(__has_feature)
> #  if __has_feature(address_sanitizer)

Tried this method you said. It can run successfully. Because gcc and clang have different
Methods for determining whether to turn on the asan function, so if you judge the two
methods in the code, it feels not simple to judge in meson.