first cmake draft, source relocation, not working

CMakeLists.txt

@@ -0,0 +1,42 @@
+cmake_minimum_required(VERSION 3.11.0)
+project(
+  LatAnalyze
+  VERSION 3.6
+  LANGUAGES C CXX)
+set(CMAKE_CXX_STANDARD 11)
+
+include(FetchContent)
+include(FindPackageMessage)
+
+set(FETCHCONTENT_BASE_DIR ${CMAKE_BINARY_DIR}/deps)
+FetchContent_Declare(
+  Eigen3
+  GIT_REPOSITORY https://gitlab.com/libeigen/eigen.git
+  GIT_TAG 3.4.0)
+FetchContent_GetProperties(Eigen3)
+if(NOT eigen3_POPULATED)
+  FetchContent_Populate(Eigen3)
+  message(STATUS "Eigen3 fetched")
+endif()
+file(CREATE_LINK ${eigen3_SOURCE_DIR}/Eigen ${CMAKE_SOURCE_DIR}/lib/LatAnalyze/Eigen
+     SYMBOLIC)
+
+find_package(GSL REQUIRED)
+find_package(HDF5 REQUIRED COMPONENTS C CXX)
+find_package(Minuit2)
+if(Minuit2_FOUND)
+  find_package_message(
+    Minuit2
+    "Found Minuit2: ${Minuit2_DIR} (found version \"${Minuit2_VERSION}\")" " ")
+else()
+  message(STATUS "Minuit2 not found")
+endif()
+find_package(NLopt)
+if(NLopt_FOUND)
+  find_package_message(
+    NLopt "Found NLopt: ${NLopt_DIR} (found version \"${NLopt_VERSION}\")" " ")
+else()
+  message(STATUS "NLopt not found")
+endif()
+
+add_subdirectory(lib)