diff --git a/CMakeLists.txt b/CMakeLists.txt
index 83dac03..10efdef 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,7 +9,7 @@ set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}")
 
 find_package(Threads REQUIRED)
 # find_package(spdlog REQUIRED)
-find_package(spdlog CONFIG)
+# find_package(spdlog CONFIG)
 
 find_package(CFITSIO REQUIRED)
 find_package(XCLIB REQUIRED)
@@ -30,21 +30,36 @@ if (STATIC_LIB)
     add_library(${RAPTOR_EAGLEV_LIB} STATIC ${RAPTOR_EAGLEV_LIB_SRC})
 else()
     add_library(${RAPTOR_EAGLEV_LIB} SHARED ${RAPTOR_EAGLEV_LIB_SRC})
-# add_library(${RAPTOR_EAGLEV_LIB} SHARED
-#     raptor_eagle_ccd.h raptor_eagle_ccd.cpp
-#     raptor_eagle_cameralink.h
-#     raptor_eagle_exception.h
-#     raptor_eagle_acqproc.cpp)
 endif()
 
+include(FetchContent)
+include(ExternalProject)
+
+FetchContent_Declare(spdlog
+    # SOURCE_DIR ${CMAKE_BINARY_DIR}/spdlog
+    # BINARY_DIR ${CMAKE_BINARY_DIR}/spdlog/build
+    GIT_REPOSITORY "https://github.com/gabime/spdlog.git"
+    GIT_TAG "v1.15.0"
+    GIT_SHALLOW TRUE
+    GIT_SUBMODULES ""
+    GIT_PROGRESS TRUE
+)
+FetchContent_MakeAvailable(spdlog)
+FetchContent_GetProperties(spdlog SOURCE_DIR spdlog_SOURCE_DIR)
+set(spdlog_INCLUDE_DIR ${spdlog_SOURCE_DIR}/include)
+
+
 # to activate spdlog-library support in ADC-library
 # target_compile_definitions(${RAPTOR_EAGLEV_LIB} PRIVATE USE_ASIO_LIBRARY USE_SPDLOG_LIBRARY USE_OPENSSL_WITH_ASIO)
 target_compile_definitions(${RAPTOR_EAGLEV_LIB} PUBLIC USE_ASIO_LIBRARY USE_SPDLOG_LIBRARY)
+target_compile_definitions(${RAPTOR_EAGLEV_LIB} PUBLIC SPDLOG_USE_STD_FORMAT)
 
 # !!!!! TEMPORARY !!!!!
 target_include_directories(${RAPTOR_EAGLEV_LIB} PUBLIC "../ADC/")
 target_include_directories(${RAPTOR_EAGLEV_LIB} PUBLIC ${XCLIB_INCLUDE_DIR} ${CFITSIO_INCLUDE_DIR})
-target_link_libraries(${RAPTOR_EAGLEV_LIB} PUBLIC Threads::Threads spdlog::spdlog_header_only ${XCLIB_LIBRARIES} ${CFITSIO_LIBRARY})
+target_include_directories(${RAPTOR_EAGLEV_LIB} PUBLIC ${spdlog_INCLUDE_DIR})
+# target_link_libraries(${RAPTOR_EAGLEV_LIB} PUBLIC Threads::Threads spdlog::spdlog_header_only ${XCLIB_LIBRARIES} ${CFITSIO_LIBRARY})
+target_link_libraries(${RAPTOR_EAGLEV_LIB} PUBLIC Threads::Threads ${XCLIB_LIBRARIES} ${CFITSIO_LIBRARY})
 
 
 set(RAPTOR_EAGLEV_SERVER raptor_eaglev_server)