Don't require an exe_wrapper when cross-compiling 32-bit on 64-bit

Almost all 64-bit x86 OSes can run 32-bit x86 binaries natively. Detect
that case and don't require an exe wrapper.

2 files changed, 11 insertions, 6 deletions

diff --git a/mesonbuild/backend/backends.py b/mesonbuild/backend/backends.py
index ceb466b..b7a2c30 100644
--- a/mesonbuild/backend/backends.py
+++ b/mesonbuild/backend/backends.py
@@ -315,7 +315,9 @@ class Backend():
                 fname = exe.fullpath
             else:
                 fname = [os.path.join(self.environment.get_build_dir(), self.get_target_filename(t.get_exe()))]
-            is_cross = self.environment.is_cross_build() and self.environment.cross_info.need_cross_compiler()
+            is_cross = self.environment.is_cross_build() and \
+                self.environment.cross_info.need_cross_compiler() and \
+                self.environment.cross_info.need_exe_wrapper()
             if is_cross:
                 exe_wrapper = self.environment.cross_info.config['binaries'].get('exe_wrapper', None)
             else:
@@ -366,8 +368,9 @@ class Backend():
 
     def exe_object_to_cmd_array(self, exe):
         if self.environment.is_cross_build() and \
-                isinstance(exe, build.BuildTarget) and exe.is_cross:
-            if 'exe_wrapper'  not in self.environment.cross_info:
+           self.environment.cross_info.need_exe_wrapper() and \
+           isinstance(exe, build.BuildTarget) and exe.is_cross:
+            if 'exe_wrapper' not in self.environment.cross_info.config:
                 s = 'Can not use target %s as a generator because it is cross-built\n'
                 s += 'and no exe wrapper is defined. You might want to set it to native instead.'
                 s = s % exe.name
diff --git a/mesonbuild/backend/ninjabackend.py b/mesonbuild/backend/ninjabackend.py
index 201b2d1..4415a68 100644
--- a/mesonbuild/backend/ninjabackend.py
+++ b/mesonbuild/backend/ninjabackend.py
@@ -394,9 +394,11 @@ int dummy;
         if isinstance(texe, build.Executable):
             abs_exe = os.path.join(self.environment.get_build_dir(), self.get_target_filename(texe))
             deps.append(self.get_target_filename(texe))
-            if self.environment.is_cross_build() \
-                and self.environment.cross_info.config['binaries'].get('exe_wrapper', None) is not None:
-                cmd += [self.environment.cross_info.config['binaries']['exe_wrapper']]
+            if self.environment.is_cross_build() and \
+               self.environment.cross_info.need_exe_wrapper():
+                exe_wrap = self.environment.cross_info.config['binaries'].get('exe_wrapper', None)
+                if exe_wrap is not None:
+                    cmd += [exe_wrap]
             cmd.append(abs_exe)
         else:
             cmd.append(target.command)