On 12/21/21 3:05 AM, Paolo Bonzini wrote:
+genh += custom_target('config-poison.h',
+                      input: [target_configs_h],
+                      output: 'config-poison.h',
+                      capture: true,
+                      command: [find_program('scripts/make-config-poison.sh')] 
+
+                               (target_configs_h.length() > 0 ? ['@INPUT@'] : 
[]))

Using length + @INPUT@ seems needlessly around the bush.
Perhaps better as

  [find_program...] + target_configs_h

Otherwise it looks ok.


r~

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