Fix circular dependency in CMake project (#700)
* Fix circular dependency in cmake project
Fix for https://github.com/FreeRTOS/FreeRTOS-Kernel/issues/687
In order for custom ports to also break the cycle, they must link
against freertos_kernel_include instead of freertos_kernel.
* Simplify include path
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 46a9e18..a68b652 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -225,7 +225,7 @@
" .)\n"
" target_link_libraries(freertos_kernel_port\n"
" PRIVATE\n"
- " freertos_kernel)")
+ " freertos_kernel_include)")
endif()
########################################################################
@@ -264,6 +264,7 @@
########################################################################
+add_subdirectory(include)
add_subdirectory(portable)
add_library(freertos_kernel STATIC
@@ -279,17 +280,10 @@
$<IF:$<BOOL:$<FILTER:${FREERTOS_HEAP},EXCLUDE,^[1-5]$>>,${FREERTOS_HEAP},portable/MemMang/heap_${FREERTOS_HEAP}.c>
)
-target_include_directories(freertos_kernel
- PUBLIC
- include
- # Note: DEPRECATED but still supported, may be removed in a future release.
- $<$<NOT:$<TARGET_EXISTS:freertos_config>>:${FREERTOS_CONFIG_FILE_DIRECTORY}>
-)
-
target_link_libraries(freertos_kernel
PUBLIC
- $<$<TARGET_EXISTS:freertos_config>:freertos_config>
freertos_kernel_port
+ freertos_kernel_include
)
########################################################################
diff --git a/include/CMakeLists.txt b/include/CMakeLists.txt
new file mode 100644
index 0000000..46a1c3e
--- /dev/null
+++ b/include/CMakeLists.txt
@@ -0,0 +1,15 @@
+# FreeRTOS internal cmake file. Do not use it in user top-level project
+
+add_library(freertos_kernel_include INTERFACE)
+
+target_include_directories(freertos_kernel_include
+ INTERFACE
+ .
+ # Note: DEPRECATED but still supported, may be removed in a future release.
+ $<$<NOT:$<TARGET_EXISTS:freertos_config>>:${FREERTOS_CONFIG_FILE_DIRECTORY}>
+)
+
+target_link_libraries(freertos_kernel_include
+ INTERFACE
+ $<$<TARGET_EXISTS:freertos_config>:freertos_config>
+)
diff --git a/portable/CMakeLists.txt b/portable/CMakeLists.txt
index 2824df0..988be15 100644
--- a/portable/CMakeLists.txt
+++ b/portable/CMakeLists.txt
@@ -1035,7 +1035,7 @@
$<$<STREQUAL:${FREERTOS_PORT},GCC_RP2040>:pico_base_headers>
$<$<STREQUAL:${FREERTOS_PORT},GCC_XTENSA_ESP32>:idf::esp32>
PRIVATE
- freertos_kernel
+ freertos_kernel_include
$<$<STREQUAL:${FREERTOS_PORT},GCC_POSIX>:Threads::Threads>
"$<$<STREQUAL:${FREERTOS_PORT},GCC_RP2040>:hardware_clocks;hardware_exception>"
$<$<STREQUAL:${FREERTOS_PORT},MSVC_MINGW>:winmm> # Windows library which implements timers