DKMS make.log for fwts-efi-runtime-dkms-18.03.00 for kernel 4.15.0-14-generic (x86_64)
Tue Apr  3 16:36:51 CEST 2018
make -C /lib/modules/4.15.0-14-generic/build M=`pwd` modules
make[1]: Entering directory '/usr/src/linux-headers-4.15.0-14-generic'
  CC [M]  /var/lib/dkms/fwts-efi-runtime-dkms/18.03.00/build/efi_runtime.o
/var/lib/dkms/fwts-efi-runtime-dkms/18.03.00/build/efi_runtime.c:564:13: warning: ‘efi_runtime_reset_system’ defined but not used [-Wunused-function]
 static long efi_runtime_reset_system(unsigned long arg)
             ^~~~~~~~~~~~~~~~~~~~~~~~
/bin/bash: ./debian/scripts/retpoline-extract-one: No such file or directory
scripts/Makefile.build:339: recipe for target '/var/lib/dkms/fwts-efi-runtime-dkms/18.03.00/build/efi_runtime.o' failed
make[2]: *** [/var/lib/dkms/fwts-efi-runtime-dkms/18.03.00/build/efi_runtime.o] Error 127
Makefile:1552: recipe for target '_module_/var/lib/dkms/fwts-efi-runtime-dkms/18.03.00/build' failed
make[1]: *** [_module_/var/lib/dkms/fwts-efi-runtime-dkms/18.03.00/build] Error 2
make[1]: Leaving directory '/usr/src/linux-headers-4.15.0-14-generic'
Makefile:22: recipe for target 'all' failed
make: *** [all] Error 2