# Only build shared_glapi if at least one OpenGL API is enabled
with_shared_glapi = with_shared_glapi and with_any_opengl
-system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'gnu/kfreebsd', 'dragonfly', 'linux'].contains(host_machine.system())
+system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'gnu/kfreebsd', 'dragonfly', 'linux', 'sunos'].contains(host_machine.system())
dri_drivers = get_option('dri-drivers')
if dri_drivers.contains('auto')
# TODO: this is very incomplete
if ['linux', 'cygwin', 'gnu', 'gnu/kfreebsd'].contains(host_machine.system())
pre_args += '-D_GNU_SOURCE'
+elif host_machine.system() == 'sunos'
+ pre_args += '-D__EXTENSIONS__'
elif host_machine.system() == 'windows'
pre_args += [
'-D_WINDOWS', '-D_WIN32_WINNT=0x0601', '-D_WINVER=0x0601',