diff options
Diffstat (limited to 'Help/policy/CMP0049.rst')
| -rw-r--r-- | Help/policy/CMP0049.rst | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Help/policy/CMP0049.rst b/Help/policy/CMP0049.rst new file mode 100644 index 0000000..5c8d4a8 --- /dev/null +++ b/Help/policy/CMP0049.rst @@ -0,0 +1,23 @@ +CMP0049 +------- + +Do not expand variables in target source entries. + +CMake 2.8.12 and lower performed and extra layer of variable expansion +when evaluating source file names: + +.. code-block:: cmake + + set(a_source foo.c) + add_executable(foo \${a_source}) + +This was undocumented behavior. + +The OLD behavior for this policy is to expand such variables when processing +the target sources. The NEW behavior for this policy is to issue an error +if such variables need to be expanded. + +This policy was introduced in CMake version 3.0. +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. |