While some of these files are built exactly once, due
to being in only libuser_ss or libsystem_ss, some of
the includes that they depend on require CONFIG_USER_ONLY.
So make use of the common infrastructure to allow that.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 accel/tcg/meson.build | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/accel/tcg/meson.build b/accel/tcg/meson.build
index 185830d0f5..72d4acfe5e 100644
--- a/accel/tcg/meson.build
+++ b/accel/tcg/meson.build
@@ -1,12 +1,21 @@
-common_ss.add(when: 'CONFIG_TCG', if_true: files(
+if not get_option('tcg').allowed()
+   subdir_done()
+endif
+
+tcg_ss = ss.source_set()
+
+tcg_ss.add(files(
   'cpu-exec-common.c',
   'tcg-runtime.c',
   'tcg-runtime-gvec.c',
 ))
 if get_option('plugins')
-  common_ss.add(when: 'CONFIG_TCG', if_true: files('plugin-gen.c'))
+  tcg_ss.add(files('plugin-gen.c'))
 endif
 
+libuser_ss.add_all(tcg_ss)
+libsystem_ss.add_all(tcg_ss)
+
 tcg_specific_ss = ss.source_set()
 tcg_specific_ss.add(files(
   'tcg-all.c',
@@ -22,11 +31,11 @@ specific_ss.add(when: ['CONFIG_SYSTEM_ONLY', 'CONFIG_TCG'], if_true: files(
   'cputlb.c',
 ))
 
-user_ss.add(when: ['CONFIG_TCG'], if_true: files(
+libuser_ss.add(files(
   'user-exec-stub.c',
 ))
 
-system_ss.add(when: ['CONFIG_TCG'], if_true: files(
+libsystem_ss.add(files(
   'icount-common.c',
   'monitor.c',
   'tcg-accel-ops.c',
-- 
2.43.0