CMake Error at BadStrEqual.cmake:1 \(add_custom_target\): Error evaluating generator expression: \$<STREQUAL> \$<STREQUAL> expression requires 2 comma separated parameters, but got 0 instead. Call Stack \(most recent call first\): CMakeLists.txt:3 \(include\) +CMake Error at BadStrEqual.cmake:1 \(add_custom_target\): Error evaluating generator expression: \$<STREQUAL:> \$<STREQUAL> expression requires 2 comma separated parameters, but got 1 instead. Call Stack \(most recent call first\): CMakeLists.txt:3 \(include\) + CMake Error at BadStrEqual.cmake:1 \(add_custom_target\): Error evaluating generator expression: \$<STREQUAL:,,> \$<STREQUAL> expression requires 2 comma separated parameters, but got 3 instead. Call Stack \(most recent call first\): CMakeLists.txt:3 \(include\) + CMake Error at BadStrEqual.cmake:1 \(add_custom_target\): Error evaluating generator expression: \$<STREQUAL:something,,> \$<STREQUAL> expression requires 2 comma separated parameters, but got 3 instead. Call Stack \(most recent call first\): CMakeLists.txt:3 \(include\)$