The number of lines to include as context which follow an error message by the ctest_test() command. The default is 10.
It is initialized by ctest(1), but may be edited in a CTestCustom file. See ctest_read_custom_files() documentation.
© 2000–2018 Kitware, Inc. and Contributors
Licensed under the BSD 3-clause License.
https://cmake.org/cmake/help/v3.12/variable/CTEST_CUSTOM_ERROR_POST_CONTEXT.html