On 05/12/2019 02:46, jameszxj wrote:
     When I try to call rtems_fdt_add_shell_command(​) to support device tree,  some link errors occurs.       I have added -lz in link command line, and I have tried to change the position of "-lz", but link errors still threre.

error message:
d:/msys64/opt/rtems/5.1/bin/../lib/gcc/arm-rtems5/7.4.1/../../../../arm-rtems5/bin/ld.exe: D:/msys64/opt/rtems/5.1/arm-rtems5/xilinx_zynq_nsaboard/lib\librtemscpu.a(rtems-fdt.o): in function `rtems_fdt_load': D:\msys64\home\ZXJ\rtems-develop\build-rtems\arm-rtems5\c\xilinx_zynq_nsaboard\cpukit/../../../../../rtems/c/src/../../cpukit/libmisc/rtems-fdt/rtems-fdt.c:555: undefined reference to `z_inflateInit_'

Using "-lrtemscpu -lz" should work.

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