clang work with lpc43

hw/bsp/nrf/family.cmake

@@ -29,73 +29,75 @@ set(FAMILY_MCUS NRF5X CACHE INTERNAL "")
 #------------------------------------
 # only need to be built ONCE for all examples
 function(add_board_target BOARD_TARGET)
-  if (NOT TARGET ${BOARD_TARGET})
-    if (MCU_VARIANT STREQUAL "nrf5340_application")
-      set(MCU_VARIANT_XXAA "nrf5340_xxaa_application")
-    else ()
-      set(MCU_VARIANT_XXAA "${MCU_VARIANT}_xxaa")
-    endif ()
+  if (TARGET ${BOARD_TARGET})
+    return()
+  endif ()
 
-    if (NOT DEFINED LD_FILE_GNU)
-      set(LD_FILE_GNU ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/linker/${MCU_VARIANT_XXAA}.ld)
-    endif ()
+  if (MCU_VARIANT STREQUAL "nrf5340_application")
+    set(MCU_VARIANT_XXAA "nrf5340_xxaa_application")
+  else ()
+    set(MCU_VARIANT_XXAA "${MCU_VARIANT}_xxaa")
+  endif ()
 
-    if (NOT DEFINED STARTUP_FILE_${CMAKE_C_COMPILER_ID})
-      set(STARTUP_FILE_GNU ${NRFX_DIR}/mdk/gcc_startup_${MCU_VARIANT}.S)
-      set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
-    endif ()
+  if (NOT DEFINED LD_FILE_GNU)
+    set(LD_FILE_GNU ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/linker/${MCU_VARIANT_XXAA}.ld)
+  endif ()
 
-    add_library(${BOARD_TARGET} STATIC
-      ${NRFX_DIR}/helpers/nrfx_flag32_allocator.c
-      ${NRFX_DIR}/drivers/src/nrfx_gpiote.c
-      ${NRFX_DIR}/drivers/src/nrfx_power.c
-      ${NRFX_DIR}/drivers/src/nrfx_spim.c
-      ${NRFX_DIR}/drivers/src/nrfx_uarte.c
-      ${NRFX_DIR}/mdk/system_${MCU_VARIANT}.c
-      ${NRFX_DIR}/soc/nrfx_atomic.c
-      ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
+  if (NOT DEFINED STARTUP_FILE_${CMAKE_C_COMPILER_ID})
+    set(STARTUP_FILE_GNU ${NRFX_DIR}/mdk/gcc_startup_${MCU_VARIANT}.S)
+    set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
+  endif ()
+
+  add_library(${BOARD_TARGET} STATIC
+    ${NRFX_DIR}/helpers/nrfx_flag32_allocator.c
+    ${NRFX_DIR}/drivers/src/nrfx_gpiote.c
+    ${NRFX_DIR}/drivers/src/nrfx_power.c
+    ${NRFX_DIR}/drivers/src/nrfx_spim.c
+    ${NRFX_DIR}/drivers/src/nrfx_uarte.c
+    ${NRFX_DIR}/mdk/system_${MCU_VARIANT}.c
+    ${NRFX_DIR}/soc/nrfx_atomic.c
+    ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
+    )
+  string(TOUPPER "${MCU_VARIANT_XXAA}" MCU_VARIANT_XXAA_UPPER)
+  target_compile_definitions(${BOARD_TARGET} PUBLIC
+    __STARTUP_CLEAR_BSS
+    CONFIG_GPIO_AS_PINRESET
+    ${MCU_VARIANT_XXAA_UPPER}
+    )
+
+  if (TRACE_ETM STREQUAL "1")
+    # ENABLE_TRACE will cause system_nrf5x.c to set up ETM trace
+    target_compile_definitions(${BOARD_TARGET} PUBLIC ENABLE_TRACE)
+  endif ()
+
+  target_include_directories(${BOARD_TARGET} PUBLIC
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
+    ${NRFX_DIR}
+    ${NRFX_DIR}/mdk
+    ${NRFX_DIR}/hal
+    ${NRFX_DIR}/drivers/include
+    ${NRFX_DIR}/drivers/src
+    ${CMSIS_DIR}/CMSIS/Core/Include
+    )
+
+  update_board(${BOARD_TARGET})
+
+  if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_GNU}"
+      -L${NRFX_DIR}/mdk
+      --specs=nosys.specs --specs=nano.specs
+      -nostartfiles
       )
-    string(TOUPPER "${MCU_VARIANT_XXAA}" MCU_VARIANT_XXAA_UPPER)
-    target_compile_definitions(${BOARD_TARGET} PUBLIC
-      __STARTUP_CLEAR_BSS
-      CONFIG_GPIO_AS_PINRESET
-      ${MCU_VARIANT_XXAA_UPPER}
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_GNU}"
+      -L${NRFX_DIR}/mdk
       )
-
-    if (TRACE_ETM STREQUAL "1")
-      # ENABLE_TRACE will cause system_nrf5x.c to set up ETM trace
-      target_compile_definitions(${BOARD_TARGET} PUBLIC ENABLE_TRACE)
-    endif ()
-
-    target_include_directories(${BOARD_TARGET} PUBLIC
-      ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
-      ${NRFX_DIR}
-      ${NRFX_DIR}/mdk
-      ${NRFX_DIR}/hal
-      ${NRFX_DIR}/drivers/include
-      ${NRFX_DIR}/drivers/src
-      ${CMSIS_DIR}/CMSIS/Core/Include
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--config=${LD_FILE_IAR}"
       )
-
-    update_board(${BOARD_TARGET})
-
-    if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--script=${LD_FILE_GNU}"
-        -L${NRFX_DIR}/mdk
-        --specs=nosys.specs --specs=nano.specs
-        -nostartfiles
-        )
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--script=${LD_FILE_GNU}"
-        -L${NRFX_DIR}/mdk
-        )
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--config=${LD_FILE_IAR}"
-        )
-    endif ()
   endif ()
 endfunction()