[U-Boot] With u-boot vertion u-boot-d8bdfc8 compile error

Dear sir or madam : when i want to generate u-boot file for zynq device , i found it can not be compiled ;

the error code are as below : root@lolo-pc:~/zynq_study/u-boot_file/u-boot-d8bdfc8# make zynq_zc702_defconfig HOSTCC scripts/basic/fixdep as: unrecognized option '--32' scripts/Makefile.host:99: recipe for target 'scripts/basic/fixdep' failed make[1]: *** [scripts/basic/fixdep] Error 1 Makefile:398: recipe for target 'scripts_basic' failed make: *** [scripts_basic] Error 2

Could you please help me to find out the problem ~ ths! lolo_lee