missing source file in posix port

CMakeLists.txt

@@ -0,0 +1,49 @@
+cmake_minimum_required(VERSION 3.13)
+
+set(LIB_FREERTOS_NAME FreeRTOS)
+project(${LIB_FREERTOS_NAME}
+        VERSION 202210.01)
+    
+add_library(${LIB_FREERTOS_NAME})
+
+target_sources(
+  ${LIB_FREERTOS_NAME}
+  PRIVATE 
+  FreeRTOS/FreeRTOS-Kernel/list.c
+  FreeRTOS/FreeRTOS-Kernel/queue.c
+  FreeRTOS/FreeRTOS-Kernel/tasks.c
+  FreeRTOS/FreeRTOS-Kernel/timers.c
+)
+
+target_include_directories(
+  ${LIB_FREERTOS_NAME}
+  PUBLIC
+  FreeRTOS/FreeRTOS-Kernel/include
+)
+
+if(NOT FreeRTOS_PORT)
+  message(
+    STATUS
+      "FreeRTOS_PORT is empty. either set it or add port files manually."
+  )
+else()
+  if(FreeRTOS_PORT MATCHES "posix")
+    target_sources(
+      ${LIB_FREERTOS_NAME}
+      PRIVATE
+      FreeRTOS/FreeRTOS-Kernel/portable/ThirdParty/GCC/Posix/port.c
+      FreeRTOS/FreeRTOS-Kernel/portable/ThirdParty/GCC/Posix/utils/wait_for_event.c
+      FreeRTOS/FreeRTOS-Kernel/portable/MemMang/heap_3.c
+    )
+    target_include_directories(
+      ${LIB_FREERTOS_NAME}
+      PUBLIC
+      FreeRTOS/FreeRTOS-Kernel/portable/ThirdParty/GCC/Posix/
+    )
+  else()
+    message(
+      ERROR
+        "Unsupportet FreeRTOS_PORT."
+    )
+  endif()
+endif()