Fix some compatibility issues introduced by std::filesystem or boost::filesystem (#947)

Author: an-tao

cmake/templates/DrogonConfig.cmake.in

@@ -29,6 +29,7 @@ find_dependency(MySQL)
 endif()
 if(@Boost_FOUND@)
 find_dependency(Boost)
+find_package(Boost COMPONENTS filesystem system)
 endif()
 if(@Brotli_FOUND@)
 find_dependency(Brotli)

drogon_ctl/create_project.cc

@@ -72,6 +72,14 @@ static void newTestMainFile(std::ofstream &mainFile)
     auto templ = DrTemplateBase::newTemplate("test_main");
     mainFile << templ->genText();
 }
+static void newTestCmakeFile(std::ofstream &testCmakeFile,
+                             const std::string &projectName)
+{
+    HttpViewData data;
+    data.insert("ProjectName", projectName);
+    auto templ = DrTemplateBase::newTemplate("test_cmake");
+    testCmakeFile << templ->genText(data);
+}
 void create_project::createProject(const std::string &projectName)
 {
 #ifdef _WIN32
@@ -115,4 +123,6 @@ void create_project::createProject(const std::string &projectName)
     newModelConfigFile(modelConfigFile);
     std::ofstream testMainFile("test/test_main.cc", std::ofstream::out);
     newTestMainFile(testMainFile);
+    std::ofstream testCmakeFile("test/CMakeLists.txt", std::ofstream::out);
+    newTestCmakeFile(testCmakeFile, projectName);
 }

drogon_ctl/templates/cmake.csp

@@ -18,29 +18,24 @@ set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF)
 
 add_executable(${PROJECT_NAME} main.cc)
-add_executable(${PROJECT_NAME}_test)
 
 # ##############################################################################
 # If you include the drogon source code locally in your project, use this method
 # to add drogon 
 # add_subdirectory(drogon) 
 # target_link_libraries(${PROJECT_NAME} PRIVATE drogon)
-# target_link_libraries(${PROJECT_NAME}_test PRIVATE drogon)
 #
 # and comment out the following lines
 find_package(Drogon CONFIG REQUIRED)
 target_link_libraries(${PROJECT_NAME} PRIVATE Drogon::Drogon)
-target_link_libraries(${PROJECT_NAME}_test PRIVATE Drogon::Drogon)
 
 # ##############################################################################
 
 if (CMAKE_CXX_STANDARD LESS 17)
     # With C++14, use boost to support any, string_view and filesystem
     message(STATUS "use c++14")
     find_package(Boost 1.61.0 REQUIRED)
-    find_package(Boost 1.61.0 REQUIRED COMPONENTS filesystem)
     target_link_libraries(${PROJECT_NAME} PUBLIC Boost::boost)
-    target_link_libraries(${PROJECT_NAME} PUBLIC Boost::filesystem)
 elseif (CMAKE_CXX_STANDARD LESS 20)
     message(STATUS "use c++17")
 else ()
@@ -74,8 +69,4 @@ target_sources(${PROJECT_NAME}
 
 # ##############################################################################
 
-aux_source_directory(test TEST_SRC)
-target_sources(${PROJECT_NAME}_test
-               PRIVATE
-               ${TEST_SRC})
-ParseAndAddDrogonTests(${PROJECT_NAME}_test)
+add_subdirectory(test)

drogon_ctl/templates/test_cmake.csp

@@ -0,0 +1,14 @@
+cmake_minimum_required(VERSION 3.5)
+project([[ProjectName]]_test CXX)
+
+add_executable(${PROJECT_NAME} test_main.cc)
+
+# ##############################################################################
+# If you include the drogon source code locally in your project, use this method
+# to add drogon 
+# target_link_libraries(${PROJECT_NAME}_test PRIVATE drogon)
+#
+# and comment out the following lines
+target_link_libraries(${PROJECT_NAME} PRIVATE Drogon::Drogon)
+
+ParseAndAddDrogonTests(${PROJECT_NAME})