cmake: merge librw_skeleton_imgui in librw_skeleton

skeleton/CMakeLists.txt

@@ -1,42 +1,68 @@
 add_library(librw_skeleton
-        glfw.cpp
-        sdl2.cpp
-        skeleton.cpp
-        skeleton.h
-        win.cpp
+    glfw.cpp
+    sdl2.cpp
+    skeleton.cpp
+    skeleton.h
+    win.cpp
+
+    imgui/imconfig.h
+    imgui/imgui.cpp
+    imgui/imgui_demo.cpp
+    imgui/imgui_draw.cpp
+    imgui/imgui.h
+    imgui/imgui_impl_rw.cpp
+    imgui/imgui_impl_rw.h
+    imgui/imgui_internal.h
+    imgui/ImGuizmo.cpp
+    imgui/ImGuizmo.h
+    imgui/stb_rect_pack.h
+    imgui/stb_textedit.h
+    imgui/stb_truetype.h
 )
+add_library(librw::skeleton ALIAS librw_skeleton)
 
 set_target_properties(librw_skeleton
     PROPERTIES
         PREFIX ""
+        EXPORT_NAME skeleton
 )
 
 target_link_libraries(librw_skeleton
-    PUBLIC
+    PRIVATE
         librw
 )
 
 target_include_directories(librw_skeleton
-    INTERFACE
+    PUBLIC
         $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
+        $<INSTALL_INTERFACE:${LIBRW_INSTALL_INCLUDEDIR}/skeleton>
 )
 
-if(NOT LIBRW_PLATFORM_PS2 AND NOT LIBRW_PLATFORM_NULL)
-    add_subdirectory(imgui)
-endif()
-
 if(LIBRW_INSTALL)
-    target_include_directories(librw_skeleton
-        INTERFACE
-            $<INSTALL_INTERFACE:${LIBRW_INSTALL_INCLUDEDIR}/skeleton>
-    )
-
     install(
         FILES
             skeleton.h
         DESTINATION "${LIBRW_INSTALL_INCLUDEDIR}/skeleton"
     )
 
+    install(
+        FILES
+            imgui/imconfig.h
+            imgui/imgui.h
+            imgui/imgui_impl_rw.h
+            imgui/imgui_internal.h
+            imgui/ImGuizmo.h
+            imgui/stb_textedit.h
+        DESTINATION "${LIBRW_INSTALL_INCLUDEDIR}/skeleton/imgui"
+    )
+
+    install(
+        FILES
+            imgui/LICENSE_imgui.txt
+            imgui/LICENSE_imguizmo.txt
+        DESTINATION "${CMAKE_INSTALL_DOCDIR}"
+    )
+
     install(
         TARGETS librw_skeleton
         EXPORT librw-targets