Message returncode for NumPy failure

Author: WillAyd

python/pyarrow/meson.build

@@ -19,8 +19,8 @@
 # custom location check
 numpy_dep = dependency('numpy', required: false)
 if not numpy_dep.found()
-    incdir_numpy = run_command(
-        'python',
+    cmd = run_command(
+        py,
         [
             '-c',
             '''import os
@@ -35,8 +35,15 @@ except Exception:
 print(incdir)
 ''',
         ],
-        check: true,
-    ).stdout().strip()
+        check: false,
+    )
+
+    if cmd.returncode() != 0
+        message(cmd.stdout())
+        message(cmd.stderr())
+        error('Failure with NumPy command')
+    endif
+    numpy_inc = cmd.stdout().strip()
 
     numpy_dep = declare_dependency(include_directories: incdir_numpy)
 endif