Run cross build tests with exe wrapper.

backends.py

@@ -452,7 +452,9 @@ class NinjaBackend(Backend):
         for t in self.build.get_tests():
             name = t.get_name()
             fname = os.path.join(self.environment.get_build_dir(), self.get_target_filename(t.get_exe()))
-            arr.append([name, fname])
+            is_cross = self.environment.is_cross_build()
+            exe_wrapper = self.environment.cross_info.get('exe_wrapper', None)
+            arr.append([name, fname, is_cross, exe_wrapper])
         pickle.dump(arr, datafile)
 
     def generate_dep_gen_rules(self, outfile):

cross/ubuntu-mingw.txt

@@ -1,5 +1,5 @@
 name = 'windows'
-exe_wrapper = 'wine'
+exe_wrapper = 'wine' # A command used to run generated executables.
 c = '/usr/bin/i586-mingw32msvc-gcc'
 cpp = '/usr/bin/i586-mingw32msvc-g++'
 root = '/usr/i586-mingw32msvc'

environment.py

@@ -134,7 +134,7 @@ class CCompiler():
         pe.wait()
         if pe.returncode != 0:
             raise EnvironmentException('Executables created by C compiler %s are not runnable.' % self.name_string())
-    
+
     def has_header(self, hname):
         templ = '''#include<%s>
 '''

meson_test.py

@@ -44,7 +44,16 @@ def run_tests(options, datafilename):
     for i, test in enumerate(tests):
         name = test[0]
         fname = test[1]
-        cmd = wrap + [fname]
+        is_cross = test[2]
+        exe_wrapper = test[3]
+        if is_cross:
+            if exe_wrapper is None:
+                print('Can not run test on cross compiled executable because there is no execute wrapper.')
+                sys.exit(1)
+            cmd = [exe_wrapper, fname]
+        else:
+            cmd = [fname]
+        cmd = wrap + cmd
         starttime = time.time()
         p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
         (stdo, stde) = p.communicate()