Re: [dpdk-dev] [PATCH v8 6/6] devtools: expand meson cross compiling coverage

[Gavin Hu <Gavin.Hu@arm.com>]

Hi Bruce,

Thanks for your review, new v9 patch set was submitted.
Any more comments are welcome!

Best Regards,
Gavin

> -----Original Message-----
> From: Bruce Richardson <bruce.richardson@intel.com>
> Sent: Friday, June 15, 2018 4:28 PM
> To: Gavin Hu <Gavin.Hu@arm.com>
> Cc: dev@dpdk.org; nd <nd@arm.com>; stable@dpdk.org
> Subject: Re: [dpdk-dev] [PATCH v8 6/6] devtools: expand meson cross
> compiling coverage
> 
> On Fri, Jun 15, 2018 at 04:01:20PM +0800, Gavin Hu wrote:
> > The default test script covers only default host cc compiler, either
> > gcc or clang, the fix is to cover both, gcc and clang. And also the
> > build dirs are changed to *-host-$c, indicating the difference of cc used.
> >
> > Fixes: a55277a788 ("devtools: add test script for meson builds")
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: Gavin Hu <gavin.hu@arm.com>
> > Reviewed-by: Phil Yang <phil.yang@arm.com>
> > Reviewed-by: Song Zhu <song.zhu@arm.com>
> > ---
> >  devtools/test-meson-builds.sh | 12 +++++++++++-
> >  1 file changed, 11 insertions(+), 1 deletion(-)
> >
> > diff --git a/devtools/test-meson-builds.sh
> > b/devtools/test-meson-builds.sh index 8447c704b..f75ebbdb1 100755
> > --- a/devtools/test-meson-builds.sh
> > +++ b/devtools/test-meson-builds.sh
> > @@ -50,5 +50,15 @@ for f in config/arm/arm*gcc ; do
> >  	if ! command -v $c >/dev/null 2>&1 ; then
> >  		continue
> >  	fi
> > -	build build-$(basename $f | tr '_' '-' | cut -d'-' -f-2) --cross-file $f
> > +    export CC="ccache gcc"
> > +    build build-$(basename $f | tr '_' '-' | cut -d'-' -f-2)-host-gcc \
> > +        --cross-file $f
> > +    unset CC
> > +    # compile the general v8a also for clang to increase coverage
> > +    if [ $f = config/arm/arm64_armv8_linuxapp_gcc ] ; then
> > +        export CC="ccache clang"
> > +        build build-$(basename $f | tr '_' '-' | cut -d'-' -f-2)-host-clang \
> > +            --cross-file $f
> > +        unset CC
> > +    fi
> 
> Indentation is different in the new code, spaces vs tabs, perhaps. I'm also not
> sure the "unset CC" is needed, because I think the build function
> automatically unsets it when done.
> 
> One other style comment: rather than having an if condition in the loop and
> putting the extra build there, it might be easier just to put the extra call to
> build outside the main loop, since all values are essentially hardcoded in that
> call anyway.