Re: [dpdk-dev] [PATCH v2] windows: minor build fixes

[Tal Shnaiderman <talshn@nvidia.com>]

> Subject: Re: [dpdk-dev] [PATCH v2] windows: minor build fixes
> 
> 
> Missing / incorrect '--in-reply-to'. Please ignore - still learning the process!
> 
> On 31/10/2020 06:43, Nick Connolly wrote:
> > Meson versions >= 0.54.0 include support for handling /implib with
> > msvc link. Specifying it explicitly causes failures when linking
> > against the dll. Tested using Link 14.27.29112.0 and Clang 11.0.0.
> >

How can we verify this behavior change in 0.54 is intentional? 
I cannot find it in the versions' release notes:

https://mesonbuild.com/Release-notes-for-0-54-0.html


> > There were a number of changes to the way that import libraries are
> > handled between 0.47.1 and 0.54.0. Only make the change for >= 0.54.0,
> > leaving the behaviour unchanged for earlier versions.
> >
> > Signed-off-by: Nick Connolly <nick.connolly@mayadata.io>
> > Tested-by: Ranjit Menon <ranjit.menon@intel.com>
> > Acked-by: Ranjit Menon <ranjit.menon@intel.com>
> > ---
> > v2:
> > * split out config/meson.build change
> >
> >   drivers/meson.build | 6 ++++--
> >   lib/meson.build     | 6 ++++--
> >   2 files changed, 8 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/meson.build b/drivers/meson.build index
> > 4bb7e9218..6b50f7238 100644
> > --- a/drivers/meson.build
> > +++ b/drivers/meson.build
> > @@ -186,8 +186,10 @@ foreach subpath:subdirs
> >                       lk_deps = [version_map, def_file, mingw_map]
> >                       if is_windows
> >                               if is_ms_linker
> > -                                     lk_args = ['-Wl,/def:' + def_file.full_path(),
> > -                                             '-Wl,/implib:drivers\\' + implib]
> > +                                     lk_args = ['-Wl,/def:' + def_file.full_path()]
> > +                                     if meson.version().version_compare('<0.54.0')
> > +                                             lk_args += ['-Wl,/implib:drivers\\' + implib]
> > +                                     endif
> >                               else
> >                                       lk_args = ['-Wl,--version-script=' +
> mingw_map.full_path()]
> >                               endif
> > diff --git a/lib/meson.build b/lib/meson.build index
> > 1bb019720..ed00f8914 100644
> > --- a/lib/meson.build
> > +++ b/lib/meson.build
> > @@ -157,8 +157,10 @@ foreach l:libraries
> >                               output: '@0@_mingw.map'.format(libname))
> >
> >                       if is_ms_linker
> > -                             lk_args = ['-Wl,/def:' + def_file.full_path(),
> > -                                     '-Wl,/implib:lib\\' + implib]
> > +                             lk_args = ['-Wl,/def:' + def_file.full_path()]
> > +                             if meson.version().version_compare('<0.54.0')
> > +                                     lk_args += ['-Wl,/implib:lib\\' + implib]
> > +                             endif
> >                       else
> >                               if is_windows
> >                                       lk_args =
> > ['-Wl,--version-script=' + mingw_map.full_path()]