devenv: Always include env for HOST machine

Cross compiled executables could still be run with an exe wrapper, or
with proper binfmt installed.

Fixes: mesonbuild#10999

mesonbuild/backend/backends.py

@@ -1854,10 +1854,8 @@ def get_devenv(self) -> build.EnvironmentVariables:
         host_machine = self.environment.machines[MachineChoice.HOST]
         need_wine = not build_machine.is_windows() and host_machine.is_windows()
         for t in self.build.get_targets().values():
-            cross_built = not self.environment.machines.matches_build_machine(t.for_machine)
-            can_run = not cross_built or not need_exe_wrapper or need_wine
             in_default_dir = t.should_install() and not t.get_install_dir()[2]
-            if not can_run or not in_default_dir:
+            if t.for_machine != MachineChoice.HOST or not in_default_dir:
                 continue
             tdir = os.path.join(self.environment.get_build_dir(), self.get_target_dir(t))
             if isinstance(t, build.Executable):

mesonbuild/mdevenv.py

@@ -150,6 +150,14 @@ def run(options: argparse.Namespace) -> int:
             print(f'export {name}')
         return 0
 
+    if b.environment.need_exe_wrapper():
+        m = 'An executable wrapper could be required'
+        exe_wrapper = b.environment.get_exe_wrapper()
+        if exe_wrapper:
+            cmd = ' '.join(exe_wrapper.get_command())
+            m += f': {cmd}'
+        mlog.log(m)
+
     install_data = minstall.load_install_data(str(privatedir / 'install.dat'))
     write_gdb_script(privatedir, install_data, workdir)