various improvements

* Language specified in PROJECT command.
* gint minimal version upgraded from 2.1 to 2.3.
* Target name is now `Main` intead of `${PROJECT_NAME}`.

CMakeLists.txt

@@ -3,12 +3,12 @@
 
 cmake_minimum_required(VERSION 3.18)
 # replace this with your project's name
-project(ProjectName)
+project(ProjectName C)
 
 include(GenerateG1A)
 include(GenerateG3A)
 include(Fxconv)
-find_package(Gint 2.1 REQUIRED)
+find_package(Gint 2.3 REQUIRED)
 
 # include directories, put your .h files in those folders
 include_directories(include)
@@ -66,19 +66,19 @@ set(FLAGS
 
 fxconv_declare_assets(${ASSETS} ${ASSETS_fx} ${ASSETS_cg} WITH_METADATA)
 
-add_executable(${PROJECT_NAME} ${SOURCES} ${ASSETS} ${ASSETS_${FXSDK_PLATFORM}})
-target_compile_options(${PROJECT_NAME} PRIVATE ${FLAGS})
-target_link_libraries(${PROJECT_NAME} Gint::Gint)
+add_executable(Main ${SOURCES} ${ASSETS} ${ASSETS_${FXSDK_PLATFORM}})
+target_compile_options(Main PRIVATE ${FLAGS})
+target_link_libraries(Main Gint::Gint)
 
 if("${FXSDK_PLATFORM_LONG}" STREQUAL fx9860G)
 	generate_g1a(
-		TARGET ${PROJECT_NAME}
+		TARGET Main
 		OUTPUT "${PROJECT_NAME}.g1a"
 		NAME "${PROJECT_NAME}"
 		ICON assets-fx/icon.png)
 elseif("${FXSDK_PLATFORM_LONG}" STREQUAL fxCG50)
 	generate_g3a(
-		TARGET ${PROJECT_NAME}
+		TARGET Main
 		OUTPUT "${PROJECT_NAME}.g3a"
 		NAME "${PROJECT_NAME}"
 		ICONS assets-cg/icon-uns.png assets-cg/icon-sel.png)