app: build applications with MSVC

Enabled "app" directory to be compiled with MSVC along with all its
contents.

Removed flag Wno-deprecated-declarations which is not needed anymore.

Signed-off-by: Andre Muezerie <[email protected]>
Acked-by: Chengwen Feng <[email protected]>
Acked-by: Morten Brørup <[email protected]>
Acked-by: Stephen Hemminger <[email protected]>
Acked-by: Bruce Richardson <[email protected]>

Author: Andre Muezerie

app/meson.build

@@ -1,10 +1,6 @@
 # SPDX-License-Identifier: BSD-3-Clause
 # Copyright(c) 2017-2019 Intel Corporation
 
-if is_ms_compiler
-    subdir_done()
-endif
-
 disable_apps = ',' + get_option('disable_apps')
 disable_apps = run_command(list_dir_globs, disable_apps, check: true).stdout().split()
 

app/test-pmd/meson.build

@@ -3,7 +3,6 @@
 
 # override default name to drop the hyphen
 name = 'testpmd'
-cflags += '-Wno-deprecated-declarations'
 sources = files(
         '5tswap.c',
         'cmdline.c',