pw_env_setup: Use 'ninja -v'

Change-Id: I7516d3327771608da9664cb988d9c640cf5408c2
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/42300
Pigweed-Auto-Submit: Rob Mohr <mohrr@google.com>
Commit-Queue: Auto-Submit <auto-submit@pigweed.google.com.iam.gserviceaccount.com>
Reviewed-by: Wyatt Hepler <hepler@google.com>
diff --git a/pw_env_setup/py/pw_env_setup/virtualenv_setup/install.py b/pw_env_setup/py/pw_env_setup/virtualenv_setup/install.py
index 2b48e08..8a2b699 100644
--- a/pw_env_setup/py/pw_env_setup/virtualenv_setup/install.py
+++ b/pw_env_setup/py/pw_env_setup/virtualenv_setup/install.py
@@ -234,7 +234,7 @@
         ninja_log_path = os.path.join(venv_path, ninja_log)
         try:
             with open(ninja_log_path, 'w') as outs:
-                ninja_cmd = ['ninja', '-C', build_dir]
+                ninja_cmd = ['ninja', '-C', build_dir, '-v']
                 ninja_cmd.append(gn_target.target)
                 print(ninja_cmd, file=outs)
                 subprocess.check_call(ninja_cmd, stdout=outs, stderr=outs)