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35 lines
1.1 KiB
ReStructuredText
35 lines
1.1 KiB
ReStructuredText
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CMP0115
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.. versionadded:: 3.20
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Source file extensions must be explicit.
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In CMake 3.19 and below, if a source file could not be found by the name
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specified, it would append a list of known extensions to the name to see if
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the file with the extension could be found. For example, this would allow the
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user to run:
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.. code-block:: cmake
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add_executable(exe main)
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and put ``main.c`` in the executable without specifying the extension.
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Starting in CMake 3.20, CMake prefers all source files to have their extensions
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explicitly listed:
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.. code-block:: cmake
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add_executable(exe main.c)
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The ``OLD`` behavior for this policy is to implicitly append known extensions
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to source files if they can't be found. The ``NEW`` behavior of this policy is
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to not append known extensions and require them to be explicit.
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This policy was introduced in CMake version 3.20. CMake version |release|
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warns when the policy is not set and uses ``OLD`` behavior. Use the
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:command:`cmake_policy` command to set it to ``OLD`` or ``NEW`` explicitly.
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.. include:: DEPRECATED.txt
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