Random executable output with CMake - cmake

Question

Can I have a random name for the executable file of each build?
Or, in another words, a different name for the executable of each build action?
I wonder if a random-variable could be inserted into the build-tool-chain.
The reason of such a name is that my company's virus-checking is quite slow -- it took a long long time checking each executable, even longer then the build.
I'm using CLion 2016.2 on Win7, tool-chain is MinGW_w64_5.0, bundled CMake 3.5.2

Answer 1

You could always define POST_BUILD steps that call another CMake script. The only downside in the following approach would be that you can't - since it's random - reuse the executable's output name in CMake itself:
CMakeLists.txt
cmake_minimum_required(VERSION 3.5)
project(RandomExeName)
file(WRITE main.cpp "int main() { return 0; }")
add_executable(${PROJECT_NAME} main.cpp)
add_custom_command(
TARGET ${PROJECT_NAME}
POST_BUILD
COMMAND ${CMAKE_COMMAND} -D _file:PATH="$<TARGET_FILE:${PROJECT_NAME}>"
-P ${CMAKE_SOURCE_DIR}/CopyToRandom.cmake
)
set_property(TARGET ${PROJECT_NAME} PROPERTY SUFFIX ".temp")
CopyToRandom.cmake
string(RANDOM _random)
file(GLOB _old_files RELATIVE "${CMAKE_BINARY_DIR}" "*.exe")
execute_process(
COMMAND "${CMAKE_COMMAND}" -E remove ${_old_files}
COMMAND "${CMAKE_COMMAND}" -E copy "${_file}" "${_random}.exe"
)
# generate shortcut
get_filename_component(_name "${_file}" NAME_WE)
file(
WRITE "${_name}.sh"
"#!/bin/bash\n"
"${_random}.exe"
)

Answer 2

No you can't. Or you have to reconfigure for every build.
Regarding your actual problem: Advice the virus checker to exclude your build directories.