CTEST_CUSTOM_MAXIMUM_FAILED_TEST_OUTPUT_SIZEΒΆ

When saving a failing test's output, this is the maximum size, in bytes, that will be collected by the ctest_test() command. Defaults to 307200 (300 KiB).

It is initialized by ctest(1), but may be edited in a CTestCustom file. See ctest_read_custom_files() documentation.