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Add policy CMP0040 to disallow custom commands on missing targets

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Nils Gladitz
2013-11-20 09:53:06 +01:00
committed by Brad King
parent a61025135b
commit a02f3d2de0
24 changed files with 149 additions and 24 deletions
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Help/policy/CMP0040.rst Normal file
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CMP0040
-------
The target in the TARGET signature of add_custom_command() must exist.
CMake 2.8.12 and lower silently ignored a custom command created with
the TARGET signature of :command:`add_custom_command`
if the target is unknown.
The OLD behavior for this policy is to ignore custom commands
for unknown targets. The NEW behavior for this policy is to report and error
if the target referenced in :command:`add_custom_command` is unknown.
This policy was introduced in CMake version 3.0.0. CMake version
|release| warns when the policy is not set and uses OLD behavior. Use
the cmake_policy command to set it to OLD or NEW explicitly.