the mkdir command missing operand error is reported when building

[gxlong1983]

hi

when I git reset to the commit id "072a21d182ad387a55a1e4b978353efb53ff5841", the rocket-tools can not build successfully. A mkdir command missing operand error is reported.
Could you please tell me how to fix the issue? Thanks.

Best Regards,
--gao

the last of error info is pasted below

...
ar: u' modifier ignored since D' is the default (see U') ar: u' modifier ignored since D' is the default (see U')
ar: u' modifier ignored since D' is the default (see U') ar: u' modifier ignored since D' is the default (see U')
ar: u' modifier ignored since D' is the default (see `U')
Installing project riscv-openocd
Makefile:4509: warning: overriding recipe for target 'check-recursive'
Makefile:3920: warning: ignoring old recipe for target 'check-recursive'
Makefile:4509: warning: overriding recipe for target 'check-recursive'
Makefile:3920: warning: ignoring old recipe for target 'check-recursive'
Makefile:4509: warning: overriding recipe for target 'check-recursive'
Makefile:3920: warning: ignoring old recipe for target 'check-recursive'
Makefile:4509: warning: overriding recipe for target 'check-recursive'
Makefile:3920: warning: ignoring old recipe for target 'check-recursive'
Makefile:4509: warning: overriding recipe for target 'check-recursive'
Makefile:3920: warning: ignoring old recipe for target 'check-recursive'

mkdir: missing operand
Try 'mkdir --help' for more information.

[gxlong1983]

when I use "git checkout + 072a21d", it can build successfully.

[gxlong1983]

it is fixed.