**** Build of configuration Debug for project blinky ****
"C:\\ti\\ccsv6\\utils\\bin\\gmake" -k all
'Building target: blinky.out'
'Invoking: ARM Linker'
"C:/ti/ccsv6/tools/compiler/ti-cgt-arm_5.2.5/bin/armcl" -mv7M4 --code_state=16 --float_support=FPv4SPD16 --abi=eabi -me -O2 --advice:power="all" -g --gcc --define=ccs="ccs" --define=PART_TM4C123GH6PM --define=TARGET_IS_TM4C123_RB1 --diag_wrap=off --diag_warning=225 --display_error_number --gen_func_subsections=on --ual -z -m"blinky_ccs.map" --heap_size=0 --stack_size=512 -i"C:/ti/ccsv6/tools/compiler/ti-cgt-arm_5.2.5/lib" -i"C:/ti/ccsv6/tools/compiler/ti-cgt-arm_5.2.5/include" --reread_libs --display_error_number --diag_wrap=off --warn_sections --xml_link_info="blinky_linkInfo.xml" --rom_model -o "blinky.out" "./Nokia5110.obj" "./blinky.obj" "./keyboard.obj" "./startup_ccs.obj" "../blinky_ccs.cmd" -llibc.a -l"E:/TivaWare/driverlib/ccs/Debug/driverlib.lib" -l"c:/ti/TivaWare_C_Series-2.1.3.156/driverlib/ccs/Debug/driverlib.lib"
<Linking>
remark #10371-D: (ULP 1.1) Detected no uses of low power mode state changing instructions
undefined first referenced
>> Compilation failure
makefile:145: recipe for target 'blinky.out' failed
symbol in file
--------- ----------------
Int_flag ./blinky.obj
in_put_end_flag ./blinky.obj
key_val ./blinky.obj
error #10234-D: unresolved symbols remain
error #10010: errors encountered during linking; "blinky.out" not built
gmake: *** [blinky.out] Error 1
gmake: Target 'all' not remade because of errors.
**** Build Finished ****
求大神指导
