官方提供的TRK-KEA8_LABTS例程，在链接时把库函数LIBC中的所有标准函数都链接生成目标代码了，这样造成Flash空间严重不够用。请问怎么解决？现象如下：
.text.__pformatter_
0x00001248 0x428 C:/Freescale/CW MCU v10.6/MCU/ARM_GCC_Support/ewl/lib/armv6-m\libc.a(printformat_.o)
0x00001248 __pformatter_
.text.__sformatter
0x00001670 0x698 C:/Freescale/CW MCU v10.6/MCU/ARM_GCC_Support/ewl/lib/armv6-m\libc.a(scanformat_.o)
0x00001670 __sformatter
.text.isalpha 0x00001d08 0x20 C:/Freescale/CW MCU v10.6/MCU/ARM_GCC_Support/ewl/lib/armv6-m\libc.a(ctype_aeabi.o)
0x00001d08 isalpha
.text.isspace 0x00001d28 0x20 C:/Freescale/CW MCU v10.6/MCU/ARM_GCC_Support/ewl/lib/armv6-m\libc.a(ctype_aeabi.o)
0x00001d28 isspace
.text.toupper 0x00001d48 0xe C:/Freescale/CW MCU v10.6/MCU/ARM_GCC_Support/ewl/lib/armv6-m\libc.a(ctype_aeabi.o)
0x00001d48 toupper
.text.__strtoul
0x00001d56 0x1ce C:/Freescale/CW MCU v10.6/MCU/ARM_GCC_Support/ewl/lib/armv6-m\libc.a(__strtoul.o)
0x00001d56 __strtoul
.text.__fill_mem
0x00001f24 0x7e C:/Freescale/CW MCU v10.6/MCU/ARM_GCC_Support/ewl/lib/armv6-m\libc.a(__filll_mem.o)
0x00001f24 __fill_mem
.text.memchr 0x00001fa2 0x1a C:/Freescale/CW MCU v10.6/MCU/ARM_GCC_Support/ewl/lib/armv6-m\libc.a(memchr.o)
0x00001fa2 memchr
.text.memcpy 0x00001fbc 0x12 C:/Freescale/CW MCU v10.6/MCU/ARM_GCC_Support/ewl/lib/armv6-m\libc.a(memcpy.o)
0x00001fbc memcpy
.text.strchr 0x00001fce 0x1e C:/Freescale/CW MCU v10.6/MCU/ARM_GCC_Support/ewl/lib/armv6-m\libc.a(strchr.o)
0x00001fce strchr
.text.strlen 0x00001fec 0x10 C:/Freescale/CW MCU v10.6/MCU/ARM_GCC_Support/ewl/lib/armv6-m\libc.a(strlen.o)
0x00001fec strlen
.text.__init_cpp
0x00001ffc 0x48 C:/Freescale/CW MCU v10.6/MCU/ARM_GCC_Support/ewl/lib/armv6-m\librt.a(gcc_ctor_dtor.o)
0x00001ffc __init_cpp
.text.__fini_cpp
0x00002044 0x34 C:/Freescale/CW MCU v10.6/MCU/ARM_GCC_Support/ewl/lib/armv6-m\librt.a( |
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