Re: [Qemu-devel] [PATCH 2/4] .travis.yml: reduce target list on core configure tweaks

[Peter Maydell <peter.maydell@linaro.org>]

On 15 April 2016 at 16:56, Alex Bennée <alex.bennee@linaro.org> wrote:
> A number of configure options only really affect the core code and any
> arch specific stuff should be flushed out by other builds:
>
>   - trace-backends, log build is all targets, others can be less
>   - --disable-build, ensuring disabling stuff doesn't break host
>   - co-routine, default already built with all, common API
>   - tcg interpreter is front end agnostic
>
> I've used the ./configure --target-list stem support to do all of one
> arch type in each reduced build.
>
> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
> ---
>  .travis.yml | 18 +++++++++---------
>  1 file changed, 9 insertions(+), 9 deletions(-)
>
> diff --git a/.travis.yml b/.travis.yml
> index 50ac17f..d13bffc 100644
> --- a/.travis.yml
> +++ b/.travis.yml
> @@ -45,10 +45,10 @@ env:
>    matrix:
>      - CONFIG=""
>      - CONFIG="--enable-debug --enable-debug-tcg --enable-trace-backends=log"
> -    - CONFIG="--disable-linux-aio --disable-cap-ng --disable-attr --disable-brlapi --disable-uuid --disable-libusb"
> -    - CONFIG="--enable-modules"
> -    - CONFIG="--with-coroutine=ucontext"
> -    - CONFIG="--with-coroutine=sigaltstack"
> +    - CONFIG="--disable-linux-aio --disable-cap-ng --disable-attr --disable-brlapi --disable-uuid --disable-libusb --target-list=86"
> +    - CONFIG="--enable-modules --target-list=86"

I'm not really convinced by the wildcarding, and this seems like
a good demonstration of why it's overbroad. "86" ??

The wildcarding gives you a configure command that will
potentially change behaviour as we introduce new targets,
too; that makes me a bit nervous.

thanks
-- PMM