Re: [PATCH] meson: Fix targetos match for illumos and Solaris.

["Philippe Mathieu-Daudé" <philmd@linaro.org>]

On 8/9/23 19:45, Jonathan Perkin wrote:
> qemu 8.1.0 breaks on illumos platforms due to _XOPEN_SOURCE and others 
> no longer being set correctly, leading to breakage such as:
> 
>    
> https://us-central.manta.mnx.io/pkgsrc/public/reports/trunk/tools/20230908.1404/qemu-8.1.0/build.log

Paolo if you don't mind please replace this link
(which is likely going to disappear) by:

In file included from include/qemu/osdep.h:151,
                  from ../qom/container.c:13:
include/sysemu/os-posix.h: In function 'qemu_flockfile':
include/sysemu/os-posix.h:88:5: warning: implicit declaration of 
function 'flockfile' [-Wimplicit-function-declaration]
    88 |     flockfile(f);
       |     ^~~~~~~~~
include/sysemu/os-posix.h:88:5: warning: nested extern declaration of 
'flockfile' [-Wnested-externs]

../util/compatfd.c: In function 'sigwait_compat':
../util/compatfd.c:36:15: error: too many arguments to function 'sigwait'
    36 |         err = sigwait(&info->mask, &sig);
       |               ^~~~~~~
In file included from include/qemu/osdep.h:117,
                  from ../util/compatfd.c:16:
/usr/include/signal.h:165:12: note: declared here
   165 | extern int sigwait(sigset_t *);
       |            ^~~~~~~

> 
> This is a result of meson conversion which incorrectly matches against 
> 'solaris' instead of 'sunos' for uname.
> 
> First time submitting a patch here, hope I did it correctly.  Thanks.
> 
> Signed-off-by: Jonathan Perkin <jonathan@perkin.org.uk>
> ---
>   meson.build     | 4 ++--
>   net/meson.build | 2 +-
>   2 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/meson.build b/meson.build
> index 0e31bdfabf..5150a74831 100644
> --- a/meson.build
> +++ b/meson.build
> @@ -226,7 +226,7 @@ if targetos == 'darwin'
>     if compiler.get_id() == 'gcc'
>       qemu_common_flags += '-DOS_OBJECT_USE_OBJC=0'
>     endif
> -elif targetos == 'solaris'
> +elif targetos == 'sunos'

Commit a988b4c561 from Oct 2022... I'm surprised nobody tried
to build QEMU on illumos for almost 1 year...

>     # needed for CMSG_ macros in sys/socket.h
>     qemu_common_flags += '-D_XOPEN_SOURCE=600'
>     # needed for TIOCWIN* defines in termios.h
> @@ -2048,7 +2048,7 @@ have_slirp_smbd = get_option('slirp_smbd') \
>   if have_slirp_smbd
>     smbd_path = get_option('smbd')
>     if smbd_path == ''
> -    smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : 
> '/usr/sbin/smbd')
> +    smbd_path = (targetos == 'sunos' ? '/usr/sfw/sbin/smbd' : 
> '/usr/sbin/smbd')
>     endif
>     config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
>   endif
> diff --git a/net/meson.build b/net/meson.build
> index d2d70634e5..51caa42c9d 100644
> --- a/net/meson.build
> +++ b/net/meson.build
> @@ -47,7 +47,7 @@ elif targetos == 'linux'
>     system_ss.add(files('tap.c', 'tap-linux.c'))
>   elif targetos in bsd_oses
>     system_ss.add(files('tap.c', 'tap-bsd.c'))
> -elif targetos == 'solaris'
> +elif targetos == 'sunos'
>     system_ss.add(files('tap.c', 'tap-solaris.c'))
>   else
>     system_ss.add(files('tap.c', 'tap-stub.c'))