Re: [PATCH 2/2] meson: Add static glib dependency for initrd-stress.img

["Daniel P. Berrangé" <berrange@redhat.com>]

On Thu, May 25, 2023 at 06:20:44PM -0300, Fabiano Rosas wrote:
> We recently moved glib detection code to meson but the static libs
> were left out. Add a specific dependency for stress.c which is linked
> statically.
> 
> $ make V=1 tests/migration/initrd-stress.img
> 
> before:
>  cc -m64 -mcx16 -o tests/migration/stress ... -static -Wl,--start-group
>  /usr/lib64/libglib-2.0.so -Wl,--end-group
>  ...
>  bin/ld: attempted static link of dynamic object `/usr/lib64/libglib-2.0.so'
> 
> after:
>  cc -m64 -mcx16 -o tests/migration/stress ... -static -pthread
>  -Wl,--start-group -lm /usr/lib64/libpcre.a -lglib-2.0 -Wl,--end-group
> 
> Fixes: fc9a809e0d ("build: move glib detection and workarounds to meson")
> Signed-off-by: Fabiano Rosas <farosas@suse.de>
> ---
>  tests/migration/meson.build | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/tests/migration/meson.build b/tests/migration/meson.build
> index dd562355a1..ac71f13290 100644
> --- a/tests/migration/meson.build
> +++ b/tests/migration/meson.build
> @@ -1,9 +1,11 @@
>  sysprof = dependency('sysprof-capture-4', required: false)
> +glib_static = dependency('glib-2.0', version: glib_req_ver, required: false,
> +                         method: 'pkg-config', static: true)

Since required: false, the result might be "not found", which means
we'll still hit the linker error. I think we need to surround the
'executable()' bit in

  if glib_static.found()
     ...
  endif
  
>  
>  stress = executable(
>    'stress',
>    files('stress.c'),
> -  dependencies: [glib, sysprof],
> +  dependencies: [glib_static, sysprof],
>    link_args: ['-static'],
>    build_by_default: false,
>  )
> 

With regards,
Daniel
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