feature: add ohos build

Change-Id: Id8f4bdab7427d82c14a1bd15713146ba59c64102

meson.build

@@ -356,6 +356,7 @@ with_platform_x11 = _platforms.contains('x11')
 with_platform_wayland = _platforms.contains('wayland')
 with_platform_haiku = _platforms.contains('haiku')
 with_platform_windows = _platforms.contains('windows')
+with_platform_ohos = _platforms.contains('ohos')
 
 with_glx = get_option('glx')
 if with_glx == 'auto'
@@ -417,7 +418,7 @@ with_egl = get_option('egl') \
 
 if with_egl
   _platforms += 'surfaceless'
-  if with_gbm and not with_platform_android
+  if with_gbm and not with_platform_android and not with_platform_ohos
     _platforms += 'drm'
   endif
 
@@ -882,7 +883,18 @@ if get_option('allow-kcmp') \
   pre_args += '-DALLOW_KCMP'
 endif
 
-prog_python = import('python').find_installation('python3')
+if with_platform_ohos
+  pre_args += '-DHAVE_OHOS_PLATFORM'
+  dep_ohos = [
+    dependency('libsurface'),
+    dependency('libhilog'),
+  ]
+  c_args += '-I../ohos'
+endif
+
+#prog_python = import('python').find_installation('python3')
+prog_python = '/usr/bin/python3'
+
 has_mako = run_command(
   prog_python, '-c',
   '''
@@ -1636,6 +1648,10 @@ foreach d : _libdrm_checks
   endif
 endforeach
 
+dep_hilog = dependency(
+  'libhilog'
+)
+
 with_gallium_drisw_kms = false
 if system_has_kms_drm
   dep_libdrm = dependency(