CONFIG_USER_ONLY == !CONFIG_SYSTEM_ONLY.
Therefore it's cleaner to just add to user_ss.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 accel/tcg/meson.build | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/accel/tcg/meson.build b/accel/tcg/meson.build
index 38ff227eb0..14bf797fda 100644
--- a/accel/tcg/meson.build
+++ b/accel/tcg/meson.build
@@ -12,7 +12,6 @@ tcg_specific_ss.add(files(
   'translator.c',
 ))
 tcg_specific_ss.add(when: 'CONFIG_USER_ONLY', if_true: files('user-exec.c'))
-tcg_specific_ss.add(when: 'CONFIG_SYSTEM_ONLY', if_false: files('user-exec-stub.c'))
 if get_option('plugins')
   tcg_specific_ss.add(files('plugin-gen.c'))
 endif
@@ -22,6 +21,10 @@ specific_ss.add(when: ['CONFIG_SYSTEM_ONLY', 'CONFIG_TCG'], if_true: files(
   'cputlb.c',
 ))
 
+user_ss.add(when: ['CONFIG_TCG'], if_true: files(
+  'user-exec-stub.c',
+))
+
 system_ss.add(when: ['CONFIG_TCG'], if_true: files(
   'icount-common.c',
   'monitor.c',
-- 
2.43.0