Hello everyone, I am trying to compile a old kernel and it compiles fine. I used: time make -j$(nproc) and this is a-ok and works. make modules_install works fine. Now when I try to install the newly compiled kernel I get this error below. Error! Bad return status for module build on kernel: 3.18.2-testing (x86_64) it says Consult /var/lib/dkms/open-vm-tools/9.4.6/build/make.log for more information. and this file shows me what is below: ============================================================== DKMS make.log for open-vm-tools-9.4.6 for kernel 3.18.2-testing (x86_64) Tue Jun 22 22:30:14 EDT 2021 /bin/sh: 1: test: -I./arch/x86/include: unexpected operator Using standalone build system. Makefile:167: Makefile.normal: No such file or directory make[2]: *** No rule to make target 'Makefile.normal'. Stop. /bin/sh: 1: test: -I./arch/x86/include: unexpected operator Using standalone build system. Makefile:167: Makefile.normal: No such file or directory make[2]: *** No rule to make target 'Makefile.normal'. Stop. =============================================================== I can use all the help I can get right now. Anyone ever experience this ? If so is is there a fix or workaround ? What causes this error ? I have multiple kernels on this ancient box and would really prefer not to have to wipe everything and reinstall from scratch. The only thing I did recently was install Virtualbox and Wireshark. Both work no issues. If anyone has any pointers would be most welcome and much appreciated. Thanks - Aruna