diff options
Diffstat (limited to 'Help')
| -rw-r--r-- | Help/command/execute_process.rst | 15 | ||||
| -rw-r--r-- | Help/policy/CMP0082.rst | 8 |
2 files changed, 14 insertions, 9 deletions
diff --git a/Help/command/execute_process.rst b/Help/command/execute_process.rst index 3a56dce..2d71352 100644 --- a/Help/command/execute_process.rst +++ b/Help/command/execute_process.rst @@ -22,7 +22,9 @@ Execute one or more child processes. [ERROR_STRIP_TRAILING_WHITESPACE] [ENCODING <name>]) -Runs the given sequence of one or more commands in parallel with the standard +Runs the given sequence of one or more commands. + +Commands are executed concurrently as a pipeline, with the standard output of each process piped to the standard input of the next. A single standard error pipe is used for all processes. @@ -46,8 +48,9 @@ Options: the child processes. ``TIMEOUT`` - The child processes will be terminated if they do not finish in the - specified number of seconds (fractions are allowed). + After the specified number of seconds (fractions allowed), all unfinished + child processes will be terminated, and the ``RESULT_VARIABLE`` will be + set to a string mentioning the "timeout". ``RESULT_VARIABLE`` The variable will be set to contain the result of last child process. @@ -56,9 +59,9 @@ Options: ``RESULTS_VARIABLE <variable>`` The variable will be set to contain the result of all processes as a - :ref:`semicolon-separated list <CMake Language Lists>`, in order of the given ``COMMAND`` - arguments. Each entry will be an integer return code from the - corresponding child or a string describing an error condition. + :ref:`semicolon-separated list <CMake Language Lists>`, in order of the + given ``COMMAND`` arguments. Each entry will be an integer return code + from the corresponding child or a string describing an error condition. ``OUTPUT_VARIABLE``, ``ERROR_VARIABLE`` The variable named will be set with the contents of the standard output diff --git a/Help/policy/CMP0082.rst b/Help/policy/CMP0082.rst index 7b2ef04..8256444 100644 --- a/Help/policy/CMP0082.rst +++ b/Help/policy/CMP0082.rst @@ -6,9 +6,11 @@ those in caller. CMake 3.13 and lower ran the install rules from :command:`add_subdirectory` after all other install rules, even if :command:`add_subdirectory` was called -before the other install rules. CMake 3.14 and later interleaves these -:command:`add_subdirectory` install rules with the others so that they are -run in the order they are declared. +before the other install rules. CMake 3.14 and above prefer to interleave +these :command:`add_subdirectory` install rules with the others so that +they are run in the order they are declared. This policy provides +compatibility for projects that have not been updated to expect the +new behavior. The ``OLD`` behavior for this policy is to run the install rules from :command:`add_subdirectory` after the other install rules. The ``NEW`` |