add some app infrastructure services

CMakeLists.txt

@@ -22,14 +22,14 @@ FetchContent_Declare(
     GIT_REPOSITORY  https://github.com/thestk/rtmidi.git
     GIT_TAG         6.0.0
 )
-# FetchContent_Declare(
-#     libconfig
-#     GIT_REPOSITORY  https://github.com/hyperrealm/libconfig.git
-#     GIT_TAG         v1.8.2
-# )
+FetchContent_Declare(
+    libconfig
+    GIT_REPOSITORY  https://github.com/hyperrealm/libconfig.git
+    GIT_TAG         v1.8.2
+)
 FetchContent_MakeAvailable(rtaudio)
 FetchContent_MakeAvailable(rtmidi)
-# FetchContent_MakeAvailable(libconfig)
+FetchContent_MakeAvailable(libconfig)
 
 # needs to be preinstalled
 find_package(Qt6 REQUIRED COMPONENTS
@@ -53,12 +53,18 @@ target_link_libraries(sonobulus_core PRIVATE
     Qt6::Quick
     rtaudio
     rtmidi
+    libconfig++
 )
 
 target_include_directories(sonobulus_core PRIVATE 
     ${CMAKE_SOURCE_DIR}/src/
     ${rtaudio_SOURCE_DIR}
     ${rtmidi_SOURCE_DIR}
+    ${libconfig_SOURCE_DIR}/lib
+)
+
+target_compile_definitions(sonobulus_core PRIVATE
+    BINARY_DIR="${CMAKE_BINARY_DIR}"    
 )
 
 qt_add_executable(sonobulus
@@ -74,6 +80,7 @@ qt_add_qml_module(sonobulus
 target_include_directories(sonobulus PRIVATE 
     ${rtaudio_SOURCE_DIR}
     ${rtmidi_SOURCE_DIR}
+    ${libconfig_SOURCE_DIR}/lib
 )
 
 target_link_libraries(sonobulus PRIVATE
@@ -95,6 +102,7 @@ if (WIN32)
         TARGET sonobulus POST_BUILD
         COMMAND ${CMAKE_COMMAND} -E copy_if_different
         $<TARGET_FILE:rtaudio>
+        $<TARGET_FILE:libconfig++>
         $<TARGET_FILE_DIR:sonobulus>
     )
 endif()