option: disable printf

Author: mean

Platform/Core/BoardFlags/LinkerFlagsSetterStm32.cmake

@@ -4,7 +4,10 @@ function(set_board_linker_flags LINKER_FLAGS BOARD_ID IS_MANUAL)
     set(LINK_FLAGS "${LINK_FLAGS} -Os  -Wl,--gc-sections -mcpu=cortex-m3")
     set(LINK_FLAGS "${LINK_FLAGS} -Wl,--unresolved-symbols=report-all -Wl,--warn-common -Wl,--warn-section-align -lstdc++")
 IF(ARDUINO_USE_NEWLIB) # smaller
-    set(LINK_FLAGS "${LINK_FLAGS} --specs=nano.specs -u _printf_float")
+    set(LINK_FLAGS "${LINK_FLAGS} --specs=nano.specs") # -u _printf_float")
+IF(ARDUINO_USE_FLOAT_PRINTF)
+    set(LINK_FLAGS "${LINK_FLAGS}  -u _printf_float")
+ENDIF(ARDUINO_USE_FLOAT_PRINTF)
 ENDIF(ARDUINO_USE_NEWLIB) # smaller
 
 #-Wl,--warn-unresolved-symbols -lstdc++")

Platform/Core/Targets/ArduinoFirmwareTargetCreatorStm32.cmake

@@ -54,7 +54,7 @@ function(create_arduino_firmware_target TARGET_NAME BOARD_ID ALL_SRCS ALL_LIBS
 
     # depending on the upload method we use different ld script
     # let's hardcode to bootloader for now 
-    dump_all()
+    #dump_all()
     # Check for blackMagic
     IF(ARDUINO_UPLOAD_METHOD MATCHES "BMP")
             SET(BOOTLOADER_LINK_OPT  "-T${RUNTIME_FILES_PATH}/ld/jtag_c8.ld ") # Hack