From 05360d003f28b1eebfe6b5bfa0a5dacc6b676e46 Mon Sep 17 00:00:00 2001
From: Nico van Duijn <nico.vanduijn@zuehlke.com>
Date: Mon, 1 Jul 2024 16:54:58 +0200
Subject: [PATCH] Allow FetchContent usage in external projects

---
 CMakeLists.txt |  4 +++-
 README.md      | 12 +++++++-----
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 426937904..75c51f957 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -174,4 +174,6 @@ add_subdirectory(source)
 add_subdirectory(tools)
 add_subdirectory(test)
 
-FetchContent_MakeAvailable(freertos_kernel cmock)
+if(NOT FREERTOS_PLUS_TCP_USE_LOCAL_FREERTOS)
+    FetchContent_MakeAvailable(freertos_kernel cmock)
+endif()
\ No newline at end of file
diff --git a/README.md b/README.md
index 4832106f5..b607952a7 100644
--- a/README.md
+++ b/README.md
@@ -60,18 +60,20 @@ FetchContent_Declare( freertos_plus_tcp
   - this particular example supports a native and cross-compiled build option.
 
 ```cmake
-set( FREERTOS_PLUS_FAT_DEV_SUPPORT OFF CACHE BOOL "" FORCE)
 # Select the native compile PORT
-set( FREERTOS_PLUS_FAT_PORT "POSIX" CACHE STRING "" FORCE)
-# Select the cross-compile PORT
+set( FREERTOS_PLUS_TCP_NETWORK_IF "POSIX" CACHE STRING "" FORCE)
+# Or: select a cross-compile PORT
 if (CMAKE_CROSSCOMPILING)
-  # Eg. Zynq 2019_3 version of port
-  set(FREERTOS_PLUS_FAT_PORT "ZYNQ_2019_3" CACHE STRING "" FORCE)
+  # Eg. STM32Hxx version of port
+  set(FREERTOS_PLUS_TCP_NETWORK_IF "STM32HXX" CACHE STRING "" FORCE)
 endif()
 
 FetchContent_MakeAvailable(freertos_plus_tcp)
 ```
 
+If you already have FreeRTOS in your project, you may skip the fetch content by setting
+`FREERTOS_PLUS_TCP_USE_LOCAL_FREERTOS` to `ON`.
+
 ### Consuming stand-alone
 
 This repository uses [Git Submodules](https://git-scm.com/book/en/v2/Git-Tools-Submodules) to bring in dependent components.