fix samd linker with clang: cannot self-check defined symbol with lld e.g `STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : 0x1000` --> STACK_SIZE = 0

28 files changed, 120 insertions, 115 deletions

diff --git a/hw/bsp/fomu/fomu.ld b/hw/bsp/fomu/fomu.ld
index 13278d2ad..0b0cf2612 100644
--- a/hw/bsp/fomu/fomu.ld
+++ b/hw/bsp/fomu/fomu.ld
@@ -11,7 +11,7 @@ MEMORY {
 }
 
 /* The stack size used by the application. NOTE: you need to adjust according to your application. */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
+STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
 
 /* Section Definitions */
 SECTIONS
diff --git a/hw/bsp/samd11/boards/cynthion_d11/samd11d14am_flash.ld b/hw/bsp/samd11/boards/cynthion_d11/samd11d14am_flash.ld
index f175e6504..57e7f8904 100644
--- a/hw/bsp/samd11/boards/cynthion_d11/samd11d14am_flash.ld
+++ b/hw/bsp/samd11/boards/cynthion_d11/samd11d14am_flash.ld
@@ -40,7 +40,7 @@ MEMORY
 }
 
 /* The stack size used by the application. NOTE: you need to adjust according to your application. */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x400;
+STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x400;
 
 /* Section Definitions */
 SECTIONS
diff --git a/hw/bsp/samd11/boards/samd11_xplained/samd11d14am_flash.ld b/hw/bsp/samd11/boards/samd11_xplained/samd11d14am_flash.ld
index 9e12acec8..75d880f62 100644
--- a/hw/bsp/samd11/boards/samd11_xplained/samd11d14am_flash.ld
+++ b/hw/bsp/samd11/boards/samd11_xplained/samd11d14am_flash.ld
@@ -40,7 +40,7 @@ MEMORY
 }
 
 /* The stack size used by the application. NOTE: you need to adjust according to your application. */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x400;
+STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x400;
 
 /* Section Definitions */
 SECTIONS
diff --git a/hw/bsp/samd21/boards/atsamd21_xpro/samd21j18a_flash.ld b/hw/bsp/samd21/boards/atsamd21_xpro/samd21j18a_flash.ld
index e2f93416d..d9b086f9c 100644
--- a/hw/bsp/samd21/boards/atsamd21_xpro/samd21j18a_flash.ld
+++ b/hw/bsp/samd21/boards/atsamd21_xpro/samd21j18a_flash.ld
@@ -40,7 +40,7 @@ MEMORY
 }
 
 /* The stack size used by the application. NOTE: you need to adjust according to your application. */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
+STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
 
 /* Section Definitions */
 SECTIONS
diff --git a/hw/bsp/samd21/boards/circuitplayground_express/circuitplayground_express.ld b/hw/bsp/samd21/boards/circuitplayground_express/circuitplayground_express.ld
index f0c93340c..ce7aff80b 100644
--- a/hw/bsp/samd21/boards/circuitplayground_express/circuitplayground_express.ld
+++ b/hw/bsp/samd21/boards/circuitplayground_express/circuitplayground_express.ld
@@ -40,7 +40,7 @@ MEMORY
 }
 
 /* The stack size used by the application. NOTE: you need to adjust according to your application. */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
+STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
 
 ENTRY(Reset_Handler)
 
diff --git a/hw/bsp/samd21/boards/curiosity_nano/samd21g17a_flash.ld b/hw/bsp/samd21/boards/curiosity_nano/samd21g17a_flash.ld
index 153f0cbb9..e03a4ce60 100644
--- a/hw/bsp/samd21/boards/curiosity_nano/samd21g17a_flash.ld
+++ b/hw/bsp/samd21/boards/curiosity_nano/samd21g17a_flash.ld
@@ -40,7 +40,7 @@ MEMORY
 }
 
 /* The stack size used by the application. NOTE: you need to adjust according to your application. */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x1000;
+STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x1000;
 
 /* Section Definitions */
 SECTIONS
diff --git a/hw/bsp/samd21/boards/cynthion_d21/samd21g18a_flash.ld b/hw/bsp/samd21/boards/cynthion_d21/samd21g18a_flash.ld
index ecb6b8523..95d71b9e3 100644
--- a/hw/bsp/samd21/boards/cynthion_d21/samd21g18a_flash.ld
+++ b/hw/bsp/samd21/boards/cynthion_d21/samd21g18a_flash.ld
@@ -40,7 +40,7 @@ MEMORY
 }
 
 /* The stack size used by the application. NOTE: you need to adjust according to your application. */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
+STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
 
 /* Section Definitions */
 SECTIONS
diff --git a/hw/bsp/samd21/boards/feather_m0_express/feather_m0_express.ld b/hw/bsp/samd21/boards/feather_m0_express/feather_m0_express.ld
index f0c93340c..ce7aff80b 100644
--- a/hw/bsp/samd21/boards/feather_m0_express/feather_m0_express.ld
+++ b/hw/bsp/samd21/boards/feather_m0_express/feather_m0_express.ld
@@ -40,7 +40,7 @@ MEMORY
 }
 
 /* The stack size used by the application. NOTE: you need to adjust according to your application. */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
+STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
 
 ENTRY(Reset_Handler)
 
diff --git a/hw/bsp/samd21/boards/itsybitsy_m0/itsybitsy_m0.ld b/hw/bsp/samd21/boards/itsybitsy_m0/itsybitsy_m0.ld
index f0c93340c..ce7aff80b 100644
--- a/hw/bsp/samd21/boards/itsybitsy_m0/itsybitsy_m0.ld
+++ b/hw/bsp/samd21/boards/itsybitsy_m0/itsybitsy_m0.ld
@@ -40,7 +40,7 @@ MEMORY
 }
 
 /* The stack size used by the application. NOTE: you need to adjust according to your application. */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
+STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
 
 ENTRY(Reset_Handler)
 
diff --git a/hw/bsp/samd21/boards/metro_m0_express/metro_m0_express.ld b/hw/bsp/samd21/boards/metro_m0_express/metro_m0_express.ld
index f0c93340c..ce7aff80b 100644
--- a/hw/bsp/samd21/boards/metro_m0_express/metro_m0_express.ld
+++ b/hw/bsp/samd21/boards/metro_m0_express/metro_m0_express.ld
@@ -40,7 +40,7 @@ MEMORY
 }
 
 /* The stack size used by the application. NOTE: you need to adjust according to your application. */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
+STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
 
 ENTRY(Reset_Handler)
 
diff --git a/hw/bsp/samd21/boards/qtpy/qtpy.ld b/hw/bsp/samd21/boards/qtpy/qtpy.ld
index f0c93340c..ce7aff80b 100644
--- a/hw/bsp/samd21/boards/qtpy/qtpy.ld
+++ b/hw/bsp/samd21/boards/qtpy/qtpy.ld
@@ -40,7 +40,7 @@ MEMORY
 }
 
 /* The stack size used by the application. NOTE: you need to adjust according to your application. */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
+STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
 
 ENTRY(Reset_Handler)
 
diff --git a/hw/bsp/samd21/boards/seeeduino_xiao/seeeduino_xiao.ld b/hw/bsp/samd21/boards/seeeduino_xiao/seeeduino_xiao.ld
index cf11c4c35..0d0c4e6c4 100644
--- a/hw/bsp/samd21/boards/seeeduino_xiao/seeeduino_xiao.ld
+++ b/hw/bsp/samd21/boards/seeeduino_xiao/seeeduino_xiao.ld
@@ -40,7 +40,7 @@ MEMORY
 }
 
 /* The stack size used by the application. NOTE: you need to adjust according to your application. */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
+STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
 
 ENTRY(Reset_Handler)
 
diff --git a/hw/bsp/samd21/boards/sparkfun_samd21_mini_usb/sparkfun_samd21_mini_usb.ld b/hw/bsp/samd21/boards/sparkfun_samd21_mini_usb/sparkfun_samd21_mini_usb.ld
index f5d2ad151..0754a8e9c 100644
--- a/hw/bsp/samd21/boards/sparkfun_samd21_mini_usb/sparkfun_samd21_mini_usb.ld
+++ b/hw/bsp/samd21/boards/sparkfun_samd21_mini_usb/sparkfun_samd21_mini_usb.ld
@@ -40,7 +40,7 @@ MEMORY
 }
 
 /* The stack size used by the application. NOTE: you need to adjust according to your application. */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
+STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
 
 ENTRY(Reset_Handler)
 
diff --git a/hw/bsp/samd21/boards/trinket_m0/trinket_m0.ld b/hw/bsp/samd21/boards/trinket_m0/trinket_m0.ld
index f0c93340c..ce7aff80b 100644
--- a/hw/bsp/samd21/boards/trinket_m0/trinket_m0.ld
+++ b/hw/bsp/samd21/boards/trinket_m0/trinket_m0.ld
@@ -40,7 +40,7 @@ MEMORY
 }
 
 /* The stack size used by the application. NOTE: you need to adjust according to your application. */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
+STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
 
 ENTRY(Reset_Handler)
 
diff --git a/hw/bsp/samd21/family.cmake b/hw/bsp/samd21/family.cmake
index 616c8ae45..540a0ee33 100644
--- a/hw/bsp/samd21/family.cmake
+++ b/hw/bsp/samd21/family.cmake
@@ -17,55 +17,57 @@ set(OPENOCD_OPTION "-f interface/cmsis-dap.cfg -c \"transport select swd\" -f ta
 #------------------------------------
 # only need to be built ONCE for all examples
 function(add_board_target BOARD_TARGET)
-  if (NOT TARGET ${BOARD_TARGET})
-    set(LD_FILE_Clang ${LD_FILE_GNU})
-    if (NOT DEFINED LD_FILE_${CMAKE_C_COMPILER_ID})
-      message(FATAL_ERROR "LD_FILE_${CMAKE_C_COMPILER_ID} not defined")
-    endif ()
+  if (TARGET ${BOARD_TARGET})
+    return()
+  endif ()
 
-    if (NOT DEFINED STARTUP_FILE_${CMAKE_C_COMPILER_ID})
-      set(STARTUP_FILE_GNU ${SDK_DIR}/gcc/gcc/startup_samd21.c)
-      set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
-    endif ()
+  set(LD_FILE_Clang ${LD_FILE_GNU})
+  if (NOT DEFINED LD_FILE_${CMAKE_C_COMPILER_ID})
+    message(FATAL_ERROR "LD_FILE_${CMAKE_C_COMPILER_ID} not defined")
+  endif ()
 
-    add_library(${BOARD_TARGET} STATIC
-      ${SDK_DIR}/gcc/system_samd21.c
-      ${SDK_DIR}/hpl/gclk/hpl_gclk.c
-      ${SDK_DIR}/hpl/pm/hpl_pm.c
-      ${SDK_DIR}/hpl/sysctrl/hpl_sysctrl.c
-      ${SDK_DIR}/hal/src/hal_atomic.c
-      ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
-      )
-    target_include_directories(${BOARD_TARGET} PUBLIC
-      ${SDK_DIR}
-      ${SDK_DIR}/config
-      ${SDK_DIR}/include
-      ${SDK_DIR}/hal/include
-      ${SDK_DIR}/hal/utils/include
-      ${SDK_DIR}/hpl/pm
-      ${SDK_DIR}/hpl/port
-      ${SDK_DIR}/hri
-      ${SDK_DIR}/CMSIS/Include
-      )
-    target_compile_definitions(${BOARD_TARGET} PUBLIC CONF_DFLL_OVERWRITE_CALIBRATION=0)
+  if (NOT DEFINED STARTUP_FILE_GNU)
+    set(STARTUP_FILE_GNU ${SDK_DIR}/gcc/gcc/startup_samd21.c)
+  endif ()
+  set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
 
-    update_board(${BOARD_TARGET})
+  add_library(${BOARD_TARGET} STATIC
+    ${SDK_DIR}/gcc/system_samd21.c
+    ${SDK_DIR}/hpl/gclk/hpl_gclk.c
+    ${SDK_DIR}/hpl/pm/hpl_pm.c
+    ${SDK_DIR}/hpl/sysctrl/hpl_sysctrl.c
+    ${SDK_DIR}/hal/src/hal_atomic.c
+    ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
+    )
+  target_include_directories(${BOARD_TARGET} PUBLIC
+    ${SDK_DIR}
+    ${SDK_DIR}/config
+    ${SDK_DIR}/include
+    ${SDK_DIR}/hal/include
+    ${SDK_DIR}/hal/utils/include
+    ${SDK_DIR}/hpl/pm
+    ${SDK_DIR}/hpl/port
+    ${SDK_DIR}/hri
+    ${SDK_DIR}/CMSIS/Include
+    )
+  target_compile_definitions(${BOARD_TARGET} PUBLIC CONF_DFLL_OVERWRITE_CALIBRATION=0)
+
+  update_board(${BOARD_TARGET})
 
-    if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--script=${LD_FILE_GNU}"
-        -nostartfiles
-        --specs=nosys.specs --specs=nano.specs
-        )
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--script=${LD_FILE_Clang}"
-        )
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--config=${LD_FILE_IAR}"
-        )
-    endif ()
+  if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_GNU}"
+      -nostartfiles
+      --specs=nosys.specs --specs=nano.specs
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_Clang}"
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--config=${LD_FILE_IAR}"
+      )
   endif ()
 endfunction()
 
@@ -104,6 +106,7 @@ function(family_configure_example TARGET RTOS)
   target_link_libraries(${TARGET} PUBLIC board_${BOARD} ${TARGET}-tinyusb)
 
   # Flashing
+  family_add_bin_hex(${TARGET})
   family_flash_jlink(${TARGET})
   #family_flash_openocd(${TARGET} ${OPENOCD_OPTION})
 endfunction()
diff --git a/hw/bsp/samd51/boards/feather_m4_express/feather_m4_express.ld b/hw/bsp/samd51/boards/feather_m4_express/feather_m4_express.ld
index f1a021d75..1408c3018 100644
--- a/hw/bsp/samd51/boards/feather_m4_express/feather_m4_express.ld
+++ b/hw/bsp/samd51/boards/feather_m4_express/feather_m4_express.ld
@@ -42,7 +42,7 @@ MEMORY
 }
 
 /* The stack size used by the application. NOTE: you need to adjust according to your application. */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0xC000;
+STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0xC000;
 
 ENTRY(Reset_Handler)
 
diff --git a/hw/bsp/samd51/boards/itsybitsy_m4/itsybitsy_m4.ld b/hw/bsp/samd51/boards/itsybitsy_m4/itsybitsy_m4.ld
index f1a021d75..1408c3018 100644
--- a/hw/bsp/samd51/boards/itsybitsy_m4/itsybitsy_m4.ld
+++ b/hw/bsp/samd51/boards/itsybitsy_m4/itsybitsy_m4.ld
@@ -42,7 +42,7 @@ MEMORY
 }
 
 /* The stack size used by the application. NOTE: you need to adjust according to your application. */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0xC000;
+STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0xC000;
 
 ENTRY(Reset_Handler)
 
diff --git a/hw/bsp/samd51/boards/metro_m4_express/metro_m4_express.ld b/hw/bsp/samd51/boards/metro_m4_express/metro_m4_express.ld
index f1a021d75..1408c3018 100644
--- a/hw/bsp/samd51/boards/metro_m4_express/metro_m4_express.ld
+++ b/hw/bsp/samd51/boards/metro_m4_express/metro_m4_express.ld
@@ -42,7 +42,7 @@ MEMORY
 }
 
 /* The stack size used by the application. NOTE: you need to adjust according to your application. */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0xC000;
+STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0xC000;
 
 ENTRY(Reset_Handler)
 
diff --git a/hw/bsp/samd51/boards/pybadge/pybadge.ld b/hw/bsp/samd51/boards/pybadge/pybadge.ld
index f1a021d75..1408c3018 100644
--- a/hw/bsp/samd51/boards/pybadge/pybadge.ld
+++ b/hw/bsp/samd51/boards/pybadge/pybadge.ld
@@ -42,7 +42,7 @@ MEMORY
 }
 
 /* The stack size used by the application. NOTE: you need to adjust according to your application. */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0xC000;
+STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0xC000;
 
 ENTRY(Reset_Handler)
 
diff --git a/hw/bsp/samd51/boards/pyportal/pyportal.ld b/hw/bsp/samd51/boards/pyportal/pyportal.ld
index f1a021d75..1408c3018 100644
--- a/hw/bsp/samd51/boards/pyportal/pyportal.ld
+++ b/hw/bsp/samd51/boards/pyportal/pyportal.ld
@@ -42,7 +42,7 @@ MEMORY
 }
 
 /* The stack size used by the application. NOTE: you need to adjust according to your application. */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0xC000;
+STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0xC000;
 
 ENTRY(Reset_Handler)
 
diff --git a/hw/bsp/samd51/family.cmake b/hw/bsp/samd51/family.cmake
index 8d88cf947..3ddd2e290 100644
--- a/hw/bsp/samd51/family.cmake
+++ b/hw/bsp/samd51/family.cmake
@@ -18,54 +18,56 @@ set(OPENOCD_OPTION "-f interface/cmsis-dap.cfg -c \"transport select swd\" -c \"
 #------------------------------------
 # only need to be built ONCE for all examples
 function(add_board_target BOARD_TARGET)
-  if (NOT TARGET ${BOARD_TARGET})
-    set(LD_FILE_Clang ${LD_FILE_GNU})
-    if (NOT DEFINED LD_FILE_${CMAKE_C_COMPILER_ID})
-      message(FATAL_ERROR "LD_FILE_${CMAKE_C_COMPILER_ID} not defined")
-    endif ()
+  if (TARGET ${BOARD_TARGET})
+    return()
+  endif ()
 
-    if (NOT DEFINED STARTUP_FILE_${CMAKE_C_COMPILER_ID})
-      set(STARTUP_FILE_GNU ${SDK_DIR}/gcc/gcc/startup_samd51.c)
-      set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
-    endif ()
+  set(LD_FILE_Clang ${LD_FILE_GNU})
+  if (NOT DEFINED LD_FILE_${CMAKE_C_COMPILER_ID})
+    message(FATAL_ERROR "LD_FILE_${CMAKE_C_COMPILER_ID} not defined")
+  endif ()
 
-    add_library(${BOARD_TARGET} STATIC
-      ${SDK_DIR}/gcc/system_samd51.c
-      ${SDK_DIR}/hpl/gclk/hpl_gclk.c
-      ${SDK_DIR}/hpl/mclk/hpl_mclk.c
-      ${SDK_DIR}/hpl/osc32kctrl/hpl_osc32kctrl.c
-      ${SDK_DIR}/hpl/oscctrl/hpl_oscctrl.c
-      ${SDK_DIR}/hal/src/hal_atomic.c
-      ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
-      )
-    target_include_directories(${BOARD_TARGET} PUBLIC
-      ${SDK_DIR}/
-      ${SDK_DIR}/config
-      ${SDK_DIR}/include
-      ${SDK_DIR}/hal/include
-      ${SDK_DIR}/hal/utils/include
-      ${SDK_DIR}/hpl/port
-      ${SDK_DIR}/hri
-      ${CMSIS_5}/CMSIS/Core/Include
-      )
+  if (NOT DEFINED STARTUP_FILE_GNU)
+    set(STARTUP_FILE_GNU ${SDK_DIR}/gcc/gcc/startup_samd51.c)
+  endif ()
+  set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
 
-    update_board(${BOARD_TARGET})
+  add_library(${BOARD_TARGET} STATIC
+    ${SDK_DIR}/gcc/system_samd51.c
+    ${SDK_DIR}/hpl/gclk/hpl_gclk.c
+    ${SDK_DIR}/hpl/mclk/hpl_mclk.c
+    ${SDK_DIR}/hpl/osc32kctrl/hpl_osc32kctrl.c
+    ${SDK_DIR}/hpl/oscctrl/hpl_oscctrl.c
+    ${SDK_DIR}/hal/src/hal_atomic.c
+    ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
+    )
+  target_include_directories(${BOARD_TARGET} PUBLIC
+    ${SDK_DIR}/
+    ${SDK_DIR}/config
+    ${SDK_DIR}/include
+    ${SDK_DIR}/hal/include
+    ${SDK_DIR}/hal/utils/include
+    ${SDK_DIR}/hpl/port
+    ${SDK_DIR}/hri
+    ${CMSIS_5}/CMSIS/Core/Include
+    )
+
+  update_board(${BOARD_TARGET})
 
-    if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--script=${LD_FILE_GNU}"
-        -nostartfiles
-        --specs=nosys.specs --specs=nano.specs
-        )
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--script=${LD_FILE_Clang}"
-        )
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
-      target_link_options(${BOARD_TARGET} PUBLIC
-        "LINKER:--config=${LD_FILE_IAR}"
-        )
-    endif ()
+  if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_GNU}"
+      -nostartfiles
+      --specs=nosys.specs --specs=nano.specs
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_Clang}"
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--config=${LD_FILE_IAR}"
+      )
   endif ()
 endfunction()
 
diff --git a/hw/bsp/same5x/boards/d5035_01/same51j19a_flash.ld b/hw/bsp/same5x/boards/d5035_01/same51j19a_flash.ld
index a8dd44336..486043f22 100644
--- a/hw/bsp/same5x/boards/d5035_01/same51j19a_flash.ld
+++ b/hw/bsp/same5x/boards/d5035_01/same51j19a_flash.ld
@@ -42,7 +42,7 @@ MEMORY
 }
 
 /* The stack size used by the application. NOTE: you need to adjust according to your application. */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x1000;
+STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x1000;
 
 /* Section Definitions */
 SECTIONS
diff --git a/hw/bsp/same5x/boards/same54_xplained/same54p20a_flash.ld b/hw/bsp/same5x/boards/same54_xplained/same54p20a_flash.ld
index 1f427a066..7a7f1be46 100644
--- a/hw/bsp/same5x/boards/same54_xplained/same54p20a_flash.ld
+++ b/hw/bsp/same5x/boards/same54_xplained/same54p20a_flash.ld
@@ -42,7 +42,7 @@ MEMORY
 }
 
 /* The stack size used by the application. NOTE: you need to adjust according to your application. */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x10000;
+STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x10000;
 
 /* Section Definitions */
 SECTIONS
diff --git a/hw/bsp/same5x/boards/same54_xplained/same54p20a_sram.ld b/hw/bsp/same5x/boards/same54_xplained/same54p20a_sram.ld
index e6e33ec48..c768f9c9a 100644
--- a/hw/bsp/same5x/boards/same54_xplained/same54p20a_sram.ld
+++ b/hw/bsp/same5x/boards/same54_xplained/same54p20a_sram.ld
@@ -41,7 +41,7 @@ MEMORY
 }
 
 /* The stack size used by the application. NOTE: you need to adjust according to your application. */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x10000;
+STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x10000;
 
 /* Section Definitions */
 SECTIONS
diff --git a/hw/bsp/samg55xplained/samg55j19_flash.ld b/hw/bsp/samg55xplained/samg55j19_flash.ld
index 21c0b5bcd..a222b919b 100644
--- a/hw/bsp/samg55xplained/samg55j19_flash.ld
+++ b/hw/bsp/samg55xplained/samg55j19_flash.ld
@@ -40,7 +40,7 @@ MEMORY
 }
 
 /* The stack size used by the application. NOTE: you need to adjust according to your application. */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x0400;
+STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x0400;
 
 /* The heapsize used by the application. NOTE: you need to adjust according to your application. */
 HEAP_SIZE = DEFINED(HEAP_SIZE) ? HEAP_SIZE : DEFINED(__heap_size__) ? __heap_size__ : 0x0200;
diff --git a/hw/bsp/saml2x/boards/atsaml21_xpro/saml21j18b_flash.ld b/hw/bsp/saml2x/boards/atsaml21_xpro/saml21j18b_flash.ld
index 7f6b7fa99..48cacd526 100644
--- a/hw/bsp/saml2x/boards/atsaml21_xpro/saml21j18b_flash.ld
+++ b/hw/bsp/saml2x/boards/atsaml21_xpro/saml21j18b_flash.ld
@@ -40,7 +40,7 @@ MEMORY
 }
 
 /* The stack size used by the application. NOTE: you need to adjust according to your application. */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
+STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
 
 /* Section Definitions */
 SECTIONS
diff --git a/hw/bsp/saml2x/boards/saml22_feather/saml22_feather.ld b/hw/bsp/saml2x/boards/saml22_feather/saml22_feather.ld
index 156c3e7e4..372107ff8 100644
--- a/hw/bsp/saml2x/boards/saml22_feather/saml22_feather.ld
+++ b/hw/bsp/saml2x/boards/saml22_feather/saml22_feather.ld
@@ -40,7 +40,7 @@ MEMORY
 }
 
 /* The stack size used by the application. NOTE: you need to adjust according to your application. */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
+STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
 
 ENTRY(Reset_Handler)
 
diff --git a/hw/bsp/saml2x/boards/sensorwatch_m0/sensorwatch_m0.ld b/hw/bsp/saml2x/boards/sensorwatch_m0/sensorwatch_m0.ld
index 156c3e7e4..372107ff8 100644
--- a/hw/bsp/saml2x/boards/sensorwatch_m0/sensorwatch_m0.ld
+++ b/hw/bsp/saml2x/boards/sensorwatch_m0/sensorwatch_m0.ld
@@ -40,7 +40,7 @@ MEMORY
 }
 
 /* The stack size used by the application. NOTE: you need to adjust according to your application. */
-STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
+STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
 
 ENTRY(Reset_Handler)