Error by building a BSP on Ubuntu 18.04

[Olga Syrbachova]

Hi! I'm following this tutorial
https://docs.rtems.org/branches/master/user/installation/kernel.html.
After successfully building a tool chain for the SPARC architecture in step
5.1.1. I moved to the step 5.3.1. And then in step 5.3.4. I get an error:

olga at olga-H270M-DS3H:~/development/rtems/kernel/erc32$ make -j 2
Making all in sparc-rtems5/c
make[1]: Entering directory
'/home/olga/development/rtems/kernel/erc32/sparc-rtems5/c'
Making all in .
make[2]: Entering directory
'/home/olga/development/rtems/kernel/erc32/sparc-rtems5/c'
make[2]: Nothing to be done for 'all-am'.
make[2]: Leaving directory
'/home/olga/development/rtems/kernel/erc32/sparc-rtems5/c'
Making all in erc32
make[2]: Entering directory
'/home/olga/development/rtems/kernel/erc32/sparc-rtems5/c/erc32'
make[2]: *** No rule to make target 'all'.  Stop.
make[2]: Leaving directory
'/home/olga/development/rtems/kernel/erc32/sparc-rtems5/c/erc32'
Makefile:362: recipe for target 'all-recursive' failed
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory
'/home/olga/development/rtems/kernel/erc32/sparc-rtems5/c'
Makefile:482: recipe for target 'all-recursive' failed
make: *** [all-recursive] Error 1

Did I miss something or am I doing something wrong? Many thanks in advance
for your help!
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