nios 编译错误 nios, 编译

liyuzhu_2005

make -s all
Compiling hello_world.c...
Linking hello_world_0.elf...
Info: (hello_world_0.elf) 74 KBytes program size (code + initialized data).
Info:                     16309 KBytes free for stack + heap.
Creating generated_app.sh...
Post-processing to create ext_flash.flash
WARNING: Default charset GBK not supported, using ISO-8859-1 instead
Syntax error: "(" unexpected
make: *** [D:/altera/kits/nios2/examples/verilog/niosII_cyclone_1c20/standard/std_1c20_sim/dummy_file] Error 2
Build completed


Kind        Status        Priority        Description        Resource        In Folder        Location
Error                        *** [D:/altera/kits/nios2/examples/verilog/niosII_cyclone_1c20/standard/std_1c20_sim/dummy_file] Error 2        hello_world_0       

请问以上错误有什么导致的？Error 2是什么错误？？真是见鬼了