diff options
Diffstat (limited to 'Help')
-rw-r--r-- | Help/manual/cmake-policies.7.rst | 1 | ||||
-rw-r--r-- | Help/policy/CMP0088.rst | 29 | ||||
-rw-r--r-- | Help/release/dev/bison_target_policy.rst | 6 |
3 files changed, 36 insertions, 0 deletions
diff --git a/Help/manual/cmake-policies.7.rst b/Help/manual/cmake-policies.7.rst index 40ec1ef..409b5b1 100644 --- a/Help/manual/cmake-policies.7.rst +++ b/Help/manual/cmake-policies.7.rst @@ -57,6 +57,7 @@ Policies Introduced by CMake 3.14 .. toctree:: :maxdepth: 1 + CMP0088: FindBISON runs bison in CMAKE_CURRENT_BINARY_DIR when executing. </policy/CMP0088> CMP0087: install(SCRIPT | CODE) supports generator expressions. </policy/CMP0087> CMP0086: UseSWIG honors SWIG_MODULE_NAME via -module flag. </policy/CMP0086> CMP0085: IN_LIST generator expression handles empty list items. </policy/CMP0085> diff --git a/Help/policy/CMP0088.rst b/Help/policy/CMP0088.rst new file mode 100644 index 0000000..82c04ef --- /dev/null +++ b/Help/policy/CMP0088.rst @@ -0,0 +1,29 @@ +CMP0088 +------- + +:module:`FindBISON` runs bison in :variable:`CMAKE_CURRENT_BINARY_DIR` +when executing. + +The module provides a ``BISON_TARGET`` macro which generates BISON output. +In CMake 3.13 and below the macro would generate a custom command that runs +``bison`` in the source directory. CMake 3.14 and later prefer to run it +in the build directory and use :variable:`CMAKE_CURRENT_BINARY_DIR` as the +``WORKING_DIRECTORY`` of its :command:`add_custom_command` invocation. +This ensures that any implicitly generated file is written to the build +tree rather than the source. + +This policy provides compatibility for projects that have not been updated +to expect the new behavior. + +The ``OLD`` behavior for this policy is for ``BISON_TARGET`` to use +the current source directory for the ``WORKING_DIRECTORY`` and where +to generate implicit files. The ``NEW`` behavior of this policy is to +use the current binary directory for the ``WORKING_DIRECTORY`` and where +to generate implicit files. + +This policy was introduced in CMake version 3.14. Use the +:command:`cmake_policy` command to set it to ``OLD`` or ``NEW`` explicitly. +Unlike most 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/bison_target_policy.rst b/Help/release/dev/bison_target_policy.rst new file mode 100644 index 0000000..3240318 --- /dev/null +++ b/Help/release/dev/bison_target_policy.rst @@ -0,0 +1,6 @@ +bison_target_policy +------------------- + +* The :module:`FindBISON` module's ``BISON_TARGET`` command now runs ``bison`` + with :variable:`CMAKE_CURRENT_BINARY_DIR` as the working directory. + See policy :policy:`CMP0088`. |