[oracle-dtrace:v1/5.15 21/35] /usr/bin/ld: cannot find : No such file or directory

[kernel test robot]

tree:   https://github.com/oracle/dtrace-linux-kernel v1/5.15
head:   0fee66d7ce96317146609675767971d0f35c3e74
commit: 9bb7076b2261cf2470e94df26762679a950a0b1e [21/35] dtrace: sdt provider core components
config: um-x86_64_defconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/oracle/dtrace-linux-kernel/commit/9bb7076b2261cf2470e94df26762679a950a0b1e
        git remote add oracle-dtrace https://github.com/oracle/dtrace-linux-kernel
        git fetch --no-tags oracle-dtrace v1/5.15
        git checkout 9bb7076b2261cf2470e94df26762679a950a0b1e
        # save the attached .config to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=um SUBARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

>> /usr/bin/ld: cannot find : No such file or directory
   collect2: error: ld returned 1 exit status

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip