[PATCH v7 006/104] tests/tcg/meson.build: introduce exe_name

We add possibility to duplicate a test executable for a given source
file. This is needed when different cflags need to be used (like
vectorized vs non-vectorized for instance, like sve tests in aarch64).

Reviewed-by: Richard Henderson <[email protected]>
Tested-by: Alex Bennée <[email protected]>
Tested-by: Aniket Sahu <[email protected]>
Signed-off-by: Pierrick Bouvier <[email protected]>
---
 tests/tcg/meson.build | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/tests/tcg/meson.build b/tests/tcg/meson.build
index 5758c7cc0b7..697b826a382 100644
--- a/tests/tcg/meson.build
+++ b/tests/tcg/meson.build
@@ -11,6 +11,7 @@ tcg_tests = {}
 #     'tests': [
 #       {
 #         'src_file': {
+#           'exe_name': ['provide an alternative binary name'],
 #         }
 #       },
 #       ...
@@ -18,10 +19,10 @@ tcg_tests = {}
 #   }
 # }
 #
-# Every test executable, is built only once.
+# Every test executable, identified by 'exe_name' is built only once.
 # Tests for a given src use the same executable by default, and their definition
 # is guaranteed to be unique also.
-# Default name is derived from src.
+# Default name is derived from src if 'exe_name' is omitted.
 
 # plugins come first, as we need to build the list
 subdir('plugins')
@@ -49,10 +50,22 @@ foreach target, plan: tcg_tests
 
   foreach t : tests
     foreach src, setup: t
+      # return a clear error if user misspell a setup entry
+      foreach key, _ : setup
+        allowed = ['exe_name']
+        if key not in allowed
+          error('unknown tcg setup entry \'' + key + '\' for test ' + src +
+                ' (possible: [' + ', '.join(allowed) + '])')
+        endif
+      endforeach
+
       # meson '/' operator drops left operand if right is an absolute path
       src = folder / src
       file = files(src)
       exe_name = fs.stem(src)
+      if 'exe_name' in setup
+        exe_name = setup['exe_name']
+      endif
 
       exe_name = target + '-' + exe_name
       test_name = exe_name
-- 
2.43.0