[RFC PATCH v5 10/21] meson: Prepare to accept per-binary TargetInfo structure implementation

["Philippe Mathieu-Daudé" <philmd@linaro.org>]

If a file defining the binary TargetInfo structure is available,
link with it. Otherwise keep using the stub.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
 MAINTAINERS                 | 1 +
 meson.build                 | 9 ++++++++-
 configs/targets/meson.build | 4 ++++
 3 files changed, 13 insertions(+), 1 deletion(-)
 create mode 100644 configs/targets/meson.build

diff --git a/MAINTAINERS b/MAINTAINERS
index 451e2778888..63cf1e6ed5b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1932,6 +1932,7 @@ M: Philippe Mathieu-Daudé <philmd@linaro.org>
 S: Supported
 F: include/qemu/target-info*.h
 F: target-info*.c
+F: configs/targets/*.c
 
 Xtensa Machines
 ---------------
diff --git a/meson.build b/meson.build
index 32e6aeb295d..70ee7e838ed 100644
--- a/meson.build
+++ b/meson.build
@@ -3204,6 +3204,7 @@ config_devices_mak_list = []
 config_devices_h = {}
 config_target_h = {}
 config_target_mak = {}
+config_target_info = {}
 
 disassemblers = {
   'alpha' : ['CONFIG_ALPHA_DIS'],
@@ -3797,9 +3798,9 @@ specific_ss.add(files('page-target.c', 'page-vary-target.c'))
 
 common_ss.add(files('target-info.c'))
 system_ss.add(files('target-info-qom.c'))
-specific_ss.add(files('target-info-stub.c'))
 
 subdir('backends')
+subdir('configs/targets')
 subdir('disas')
 subdir('migration')
 subdir('monitor')
@@ -4260,6 +4261,12 @@ foreach target : target_dirs
     arch_srcs += gdbstub_xml
   endif
 
+  if target in config_target_info
+    arch_srcs += config_target_info[target]
+  else
+    arch_srcs += files('target-info-stub.c')
+  endif
+
   t = target_arch[target_base_arch].apply(config_target, strict: false)
   arch_srcs += t.sources()
   arch_deps += t.dependencies()
diff --git a/configs/targets/meson.build b/configs/targets/meson.build
new file mode 100644
index 00000000000..a9f6b24ec01
--- /dev/null
+++ b/configs/targets/meson.build
@@ -0,0 +1,4 @@
+foreach target : [
+  ]
+  config_target_info += {target : files(target + '.c')}
+endforeach
-- 
2.47.1