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| author | Marc Chevrier <marc.chevrier@gmail.com> | 2020-05-28 12:52:57 (GMT) |
|---|---|---|
| committer | Brad King <brad.king@kitware.com> | 2020-05-28 16:56:59 (GMT) |
| commit | 1eca5993e21eeefa8a0c8d4e41b559c1d32c495a (patch) | |
| tree | 224acb0649ebc5e8198b311950f7f30da4c606f0 /Help | |
| parent | 04b9b2b5f363d792719238046a18aac867be3254 (diff) | |
| download | CMake-1eca5993e21eeefa8a0c8d4e41b559c1d32c495a.zip CMake-1eca5993e21eeefa8a0c8d4e41b559c1d32c495a.tar.gz CMake-1eca5993e21eeefa8a0c8d4e41b559c1d32c495a.tar.bz2 | |
ALIAS target: cannot overwrite an existing target
Fixes: #19616
Diffstat (limited to 'Help')
| -rw-r--r-- | Help/manual/cmake-policies.7.rst | 1 | ||||
| -rw-r--r-- | Help/policy/CMP0107.rst | 19 | ||||
| -rw-r--r-- | Help/release/dev/alias-overwrite.rst | 5 |
3 files changed, 25 insertions, 0 deletions
diff --git a/Help/manual/cmake-policies.7.rst b/Help/manual/cmake-policies.7.rst index 3f3b70d..8d41ed8 100644 --- a/Help/manual/cmake-policies.7.rst +++ b/Help/manual/cmake-policies.7.rst @@ -57,6 +57,7 @@ Policies Introduced by CMake 3.18 .. toctree:: :maxdepth: 1 + CMP0107: An ALIAS target cannot overwrite another target. </policy/CMP0107> CMP0106: The Documentation module is removed. </policy/CMP0106> CMP0105: Device link step uses the link options. </policy/CMP0105> CMP0104: CMAKE_CUDA_ARCHITECTURES now detected for NVCC, empty CUDA_ARCHITECTURES not allowed. </policy/CMP0104> diff --git a/Help/policy/CMP0107.rst b/Help/policy/CMP0107.rst new file mode 100644 index 0000000..111bef7 --- /dev/null +++ b/Help/policy/CMP0107.rst @@ -0,0 +1,19 @@ +CMP0107 +------- + +It is not allowed to create an ``ALIAS`` target with the same name as an +another target. + +In CMake 3.17 and below, an ``ALIAS`` target can overwrite silently an existing +target with the same name. + +The ``OLD`` behavior for this policy is to allow target overwrite. + +The ``NEW`` behavior of this policy is to prevent target overwriting. + +This policy was introduced in CMake version 3.17. Use the +:command:`cmake_policy` command to set it to ``OLD`` or ``NEW`` explicitly. +Unlike many policies, CMake version |release| does *not* warn +when this policy is not set and simply uses ``OLD`` behavior. + +.. include:: DEPRECATED.txt diff --git a/Help/release/dev/alias-overwrite.rst b/Help/release/dev/alias-overwrite.rst new file mode 100644 index 0000000..907e630 --- /dev/null +++ b/Help/release/dev/alias-overwrite.rst @@ -0,0 +1,5 @@ +alias-overwrite +--------------- + +* Creation of an ``ALIAS`` target overwriting an existing target now raise an + error. See policy :policy:`CMP0107`. |