meson: Misc. fixes for MSVC build

meson.build

@@ -42,6 +42,7 @@ if cc.get_id() == 'msvc'
       '/wd4146', # unary minus on unsigned (beware INT_MIN)
       '/wd4244', # lossy type conversion (e.g. double -> int)
       '/wd4305', # truncating type conversion (e.g. double -> float)
+      cc.get_supported_arguments(['/utf-8']), # set the input encoding to utf-8
       language : 'c')
 endif
 
@@ -85,11 +86,9 @@ gstvideo_dep = dependency('gstreamer-video-' + apiversion, version : gst_req,
     fallback : ['gst-plugins-base', 'video_dep'])
 gstbase_dep = dependency('gstreamer-base-1.0', version : gst_req,
     fallback : ['gstreamer', 'gst_base_dep'])
-if host_machine.system() != 'windows'
-  gstcheck_dep = dependency('gstreamer-check-1.0', version : gst_req,
+gstcheck_dep = dependency('gstreamer-check-1.0', version : gst_req,
     required : get_option('tests'),
     fallback : ['gstreamer', 'gst_check_dep'])
-endif
 gstcontroller_dep = dependency('gstreamer-controller-1.0', version : gst_req,
   fallback : ['gstreamer', 'gst_controller_dep'])
 gstvalidate_dep = dependency('gst-validate-1.0', version : gst_req, required : false,
@@ -129,7 +128,7 @@ gir_init_section = [ '--add-init-section=' + \
     'ges_init();' ]
 
 ges_c_args = ['-DHAVE_CONFIG_H', '-DG_LOG_DOMAIN="GES"']
-plugins_install_dir = '@0@/gstreamer-1.0'.format(get_option('libdir'))
+plugins_install_dir = join_paths(get_option('libdir'), 'gstreamer-1.0')
 
 pkgconfig = import('pkgconfig')
 plugins_pkgconfig_install_dir = join_paths(plugins_install_dir, 'pkgconfig')

tests/check/meson.build

@@ -56,7 +56,7 @@ foreach t : ges_tests
     env.set('GST_PLUGIN_SYSTEM_PATH_1_0', '')
     env.set('GST_STATE_IGNORE_ELEMENTS', '')
     env.set('CK_DEFAULT_TIMEOUT', '20')
-    env.set('GST_REGISTRY', '@0@/@1@.registry'.format(meson.current_build_dir(), test_name))
+    env.set('GST_REGISTRY', join_paths(meson.current_build_dir(), '@0@.registry'.format(test_name)))
     env.set('GST_PLUGIN_PATH_1_0', [meson.build_root()] + pluginsdirs)
 
     exe = executable(test_name, fname,

tests/meson.build

-# FIXME: make check work on windows
-if host_machine.system() != 'windows' and gstcheck_dep.found()
+if not get_option('tests').disabled() and gstcheck_dep.found()
   subdir('check')
 endif