[PATCH v7 010/104] tests/tcg/meson.build: introduce env_var

We add possibility to set an environment variable when running a test.
An example of a test requiring this is
tests/tcg/multiarch/linux/linux-sigrtminmax.c.

Reviewed-by: Manos Pitsidianakis <[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 | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/tests/tcg/meson.build b/tests/tcg/meson.build
index a7699b7f62d..fbee86e6b4b 100644
--- a/tests/tcg/meson.build
+++ b/tests/tcg/meson.build
@@ -15,6 +15,7 @@ tcg_tests = {}
 #           'test_name': ['provide an alternative test name'],
 #           'cflags': ['additional cflags to compile test', ...],
 #           'qemu_args': ['qemu command line flags', ...],
+#           'env_var': ['VAR=value', ...],
 #         }
 #       },
 #       ...
@@ -57,7 +58,7 @@ foreach target, plan: tcg_tests
     foreach src, setup: t
       # return a clear error if user misspell a setup entry
       foreach key, _ : setup
-        allowed = ['exe_name', 'cflags', 'qemu_args', 'test_name']
+        allowed = ['exe_name', 'env_var', 'cflags', 'qemu_args', 'test_name']
         if key not in allowed
           error('unknown tcg setup entry \'' + key + '\' for test ' + src +
                 ' (possible: [' + ', '.join(allowed) + '])')
@@ -122,6 +123,10 @@ foreach target, plan: tcg_tests
       # some tests expect QEMU env var to be set
       cmd = ['QEMU=' + qemu.full_path(), cmd]
 
+      if 'env_var' in setup
+        cmd = [setup['env_var'], cmd]
+      endif
+
       test(test_name, env, args: cmd,
            depends: depends,
            timeout: 120,
-- 
2.43.0