Re: [PATCH] meson: add tests option

[Thomas Huth <thuth@redhat.com>]

On 26/02/2021 23.07, Romain Naour wrote:
> tests/fp/fp-bench.c use fenv.h that is not always provided
> by the libc (uClibc).

For such  problem it might be better to check for the availability of the 
header and then to only disable the single test that depends on it if the 
header is not available.

Anyway, a switch to disable the tests completely could still be handy in 
some cases, so FWIW:

Acked-by: Thomas Huth <thuth@redhat.com>

> To workaround this issue, add an new meson option to
> disable tests while building Qemu.
> 
> Fixes:
> http://autobuild.buildroot.net/results/53f5d8baa994d599b9da013ee643b82353366ec3/build-end.log
> 
> Signed-off-by: Romain Naour <romain.naour@gmail.com>
> ---
>   configure         | 7 +++++++
>   meson.build       | 6 +++++-
>   meson_options.txt | 3 +++
>   3 files changed, 15 insertions(+), 1 deletion(-)
> 
> diff --git a/configure b/configure
> index a79b3746d4..cd114f4b9e 100755
> --- a/configure
> +++ b/configure
> @@ -464,6 +464,7 @@ gettext="auto"
>   fuse="auto"
>   fuse_lseek="auto"
>   multiprocess="no"
> +tests="auto"
>   
>   malloc_trim="auto"
>   
> @@ -1562,6 +1563,10 @@ for opt do
>     ;;
>     --disable-multiprocess) multiprocess="no"
>     ;;
> +  --disable-tests) tests="disabled"
> +  ;;
> +  --enable-tests) tests="enabled"
> +  ;;
>     *)
>         echo "ERROR: unknown option $opt"
>         echo "Try '$0 --help' for more information"
> @@ -1915,6 +1920,7 @@ disabled with --disable-FEATURE, default is enabled if available
>     fuse            FUSE block device export
>     fuse-lseek      SEEK_HOLE/SEEK_DATA support for FUSE exports
>     multiprocess    Multiprocess QEMU support
> +  tests           build tests
>   
>   NOTE: The object files are built at the place where configure is launched
>   EOF
> @@ -6428,6 +6434,7 @@ NINJA=$ninja $meson setup \
>           -Dfuse=$fuse -Dfuse_lseek=$fuse_lseek -Dguest_agent_msi=$guest_agent_msi \
>           $(if test "$default_features" = no; then echo "-Dauto_features=disabled"; fi) \
>   	-Dtcg_interpreter=$tcg_interpreter \
> +        -Dtests=$tests \
>           $cross_arg \
>           "$PWD" "$source_path"
>   
> diff --git a/meson.build b/meson.build
> index 05a67c20d9..2d7cbc0fbd 100644
> --- a/meson.build
> +++ b/meson.build
> @@ -2341,7 +2341,11 @@ subdir('scripts')
>   subdir('tools')
>   subdir('pc-bios')
>   subdir('docs')
> -subdir('tests')
> +
> +if get_option('tests').enabled()
> +  subdir('tests')
> +endif
> +
>   if gtk.found()
>     subdir('po')
>   endif
> diff --git a/meson_options.txt b/meson_options.txt
> index 675a9c500a..be30ad5450 100644
> --- a/meson_options.txt
> +++ b/meson_options.txt
> @@ -114,6 +114,9 @@ option('virtfs', type: 'feature', value: 'auto',
>   option('virtiofsd', type: 'feature', value: 'auto',
>          description: 'build virtiofs daemon (virtiofsd)')
>   
> +option('tests', type : 'feature', value : 'auto',
> +       description: 'Tests build support')
> +
>   option('capstone', type: 'combo', value: 'auto',
>          choices: ['disabled', 'enabled', 'auto', 'system', 'internal'],
>          description: 'Whether and how to find the capstone library')
>