Split Linux platform target and move runtime/platform state

CMakeLists.txt

@@ -242,8 +242,7 @@ add_library(pp_platform_api STATIC
     src/platform_api/platform_policy.cpp
     src/platform_api/platform_policy.h
     src/platform_api/platform_services.cpp
-    src/platform_api/platform_services.h
-    ${PP_PLATFORM_LINUX_SOURCES})
+    src/platform_api/platform_services.h)
 target_include_directories(pp_platform_api
     PUBLIC
         "${CMAKE_CURRENT_SOURCE_DIR}/src")
@@ -265,6 +264,18 @@ target_link_libraries(pp_platform_apple
     PRIVATE
         pp_project_warnings)
 
+add_library(pp_platform_linux STATIC
+    ${PP_PLATFORM_LINUX_SOURCES})
+target_include_directories(pp_platform_linux
+    PUBLIC
+        "${CMAKE_CURRENT_SOURCE_DIR}/src")
+target_link_libraries(pp_platform_linux
+    PUBLIC
+        pp_platform_api
+        pp_project_options
+    PRIVATE
+        pp_project_warnings)
+
 add_library(pp_app_core STATIC
     src/app_core/about_menu.h
     src/app_core/app_dialog.h
@@ -565,6 +576,9 @@ if(PP_BUILD_APP)
                 pp_platform_api
                 pp_renderer_api
                 pp_project_warnings)
+        target_link_libraries(pp_legacy_app
+            PUBLIC
+                pp_platform_linux)
         if(TARGET pp_renderer_gl)
             target_link_libraries(pp_legacy_app PRIVATE pp_renderer_gl)
         endif()