Re: [PATCH v2] meson.build: expose TCG cross compiler information in summary

[Philippe Mathieu-Daudé]

On 2/16/21 11:25 AM, Alex Bennée wrote:
> Blink and you miss the cross TCG compiler stuff so lets display it
> with the rest of the compiler information.
> 
> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
> 
> ---
> v2
>   - use target_dirs/fs.exists() instead of find
> ---
>  meson.build            | 18 ++++++++++++++++++
>  tests/tcg/configure.sh |  8 --------
>  2 files changed, 18 insertions(+), 8 deletions(-)
> 
> diff --git a/meson.build b/meson.build
> index a923f249d8..4462e7279e 100644
> --- a/meson.build
> +++ b/meson.build
> @@ -2508,6 +2508,24 @@ endif
>  summary_info += {'strip binaries':    get_option('strip')}
>  summary_info += {'sparse':            sparse.found() ? sparse.full_path() : 
> false}
>  summary_info += {'mingw32 support':   targetos == 'windows'}
> +
> +# snarf the cross-compilation information for tests
> +foreach target: target_dirs
> +  tcg_mak = meson.current_build_dir() / 'tests/tcg' / 'config-' + target + 
> '.mak'
> +  if fs.exists(tcg_mak)
> +    config_cross_tcg = keyval.load(tcg_mak)
> +    target = config_cross_tcg['TARGET_NAME']
> +    compiler = ''
> +    if 'DOCKER_CROSS_CC_GUEST' in config_cross_tcg
> +      summary_info += {target + ' tests': 
> config_cross_tcg['DOCKER_CROSS_CC_GUEST'] +
> +                                          ' via ' + 
> config_cross_tcg['DOCKER_IMAGE']}
> +    elif 'CROSS_CC_GUEST' in config_cross_tcg
> +      summary_info += {target + ' tests'
> +                                : config_cross_tcg['CROSS_CC_GUEST'] }
> +    endif
> +   endif
> +endforeach
> +
>  summary(summary_info, bool_yn: true, section: 'Compilation')

Testing on top of "Reintroduce the R5900 CPU":
https://www.mail-archive.com/qemu-devel@nongnu.org/msg782449.html

  Compilation
    ...
    CFI support                  : NO
    strip binaries               : NO
    sparse                       : /usr/bin/cgcc
    mingw32 support              : NO
    mipsel tests                 : mipsel-linux-gnu-gcc via
debian-mipsel-cross
    r5900o32el tests             : mipsr5900el-unknown-linux-gnu-gcc via
gentoo-mipsr5900el-cross
    mips64el tests               : mips64el-linux-gnuabi64-gcc via
debian-mips64el-cross

  Targets and accelerators
    TCG support                  : YES
    TCG backend                  : native (x86_64)
    TCG debug enabled            : YES
    target list                  : mipsel-linux-user
r5900o32el-linux-user mips64el-linux-user

Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>