So far, linux-user is the only user of these functions.
Clean up the build machinery by restricting it to linux-user.

Reviewed-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 meson.build                   | 1 -
 thunk.c => linux-user/thunk.c | 0
 MAINTAINERS                   | 1 -
 linux-user/meson.build        | 1 +
 4 files changed, 1 insertion(+), 2 deletions(-)
 rename thunk.c => linux-user/thunk.c (100%)

diff --git a/meson.build b/meson.build
index d5ac65b877..cd97b154bd 100644
--- a/meson.build
+++ b/meson.build
@@ -2621,7 +2621,6 @@ subdir('linux-user')
 
 specific_ss.add_all(when: 'CONFIG_BSD_USER', if_true: bsd_user_ss)
 
-linux_user_ss.add(files('thunk.c'))
 specific_ss.add_all(when: 'CONFIG_LINUX_USER', if_true: linux_user_ss)
 
 common_user_ss = common_user_ss.apply(config_all, strict: false)
diff --git a/thunk.c b/linux-user/thunk.c
similarity index 100%
rename from thunk.c
rename to linux-user/thunk.c
diff --git a/MAINTAINERS b/MAINTAINERS
index 6dc3e1cd1d..3fd57f8fac 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3076,7 +3076,6 @@ Usermode Emulation
 Overall usermode emulation
 M: Riku Voipio <riku.voipio@iki.fi>
 S: Maintained
-F: thunk.c
 F: accel/tcg/user-exec*.c
 F: include/user/
 F: common-user/
diff --git a/linux-user/meson.build b/linux-user/meson.build
index bf9d945504..fcf7d40f23 100644
--- a/linux-user/meson.build
+++ b/linux-user/meson.build
@@ -15,6 +15,7 @@ linux_user_ss.add(files(
   'signal.c',
   'strace.c',
   'syscall.c',
+  'thunk.c',
   'uaccess.c',
   'uname.c',
 ))
-- 
2.25.1