CMakeLists.txt add_executable for each subdir in src

CMakeLists.txt

cmake_minimum_required(VERSION 3.7)
project(fragmentsdemo)

set(CMAKE_CXX_STANDARD 11)

macro(SUBDIRLIST result curdir)
    file(GLOB children ${curdir}/*)
    set(dirlist "")
    foreach (child ${children})
        message(STATUS ${child})
        if (IS_DIRECTORY ${child})
            list(APPEND dirlist ${child})
        endif ()
    endforeach ()
    set(${result} ${dirlist})
endmacro()


SUBDIRLIST(SUBDIRS src)

foreach (subdir ${SUBDIRS})
    file(GLOB F_SOURCES ${subdir}/*.cpp)
    file(GLOB F_HEADERS ${subdir}/*.h)
    if (F_SOURCES)
        string(REPLACE ${CMAKE_SOURCE_DIR}/src/ "" TARGET_NAME ${subdir})
        add_executable(${TARGET_NAME} ${F_SOURCES} ${F_HEADERS})
        message(STATUS "add target ${TARGET_NAME} ${F_SOURCES} ${F_HEADERS}")
    endif ()
endforeach ()