DKMS make.log for fglrx-core-14.201 for kernel 4.0.0-040000rc1-generic (x86_64) Fri Feb 27 16:01:43 MST 2015 /usr/sbin/dkms: line 73: cd: /var/lib/dkms/fglrx/14.201/build: No such file or directory AMD kernel module generator version 2.1 doing Makefile based build for kernel 2.6.x and higher rm -rf *.c *.h *.o *.ko *.a .??* *.symvers make -C /lib/modules/4.0.0-040000rc1-generic/build SUBDIRS=/var/lib/dkms/fglrx-core/14.201/build/2.6.x modules make[1]: Entering directory '/usr/src/linux-headers-4.0.0-040000rc1-generic' CC [M] /var/lib/dkms/fglrx-core/14.201/build/2.6.x/firegl_public.o /var/lib/dkms/fglrx-core/14.201/build/2.6.x/firegl_public.c: In function ‘kcl_mem_pat_setup’: /var/lib/dkms/fglrx-core/14.201/build/2.6.x/firegl_public.c:4462:9: error: implicit declaration of function ‘read_cr4’ [-Werror=implicit-function-declaration] cr4 = read_cr4(); ^ /var/lib/dkms/fglrx-core/14.201/build/2.6.x/firegl_public.c:4463:9: error: implicit declaration of function ‘write_cr4’ [-Werror=implicit-function-declaration] write_cr4(cr4 & ~X86_CR4_PGE); ^ /var/lib/dkms/fglrx-core/14.201/build/2.6.x/firegl_public.c: In function ‘kasSetExecutionLevel’: /var/lib/dkms/fglrx-core/14.201/build/2.6.x/firegl_public.c:4810:5: error: implicit declaration of function ‘__get_cpu_var’ [-Werror=implicit-function-declaration] orig_level = __get_cpu_var(kasExecutionLevel); ^ /var/lib/dkms/fglrx-core/14.201/build/2.6.x/firegl_public.c:4811:38: error: lvalue required as left operand of assignment __get_cpu_var(kasExecutionLevel) = level; ^ /var/lib/dkms/fglrx-core/14.201/build/2.6.x/firegl_public.c: At top level: /var/lib/dkms/fglrx-core/14.201/build/2.6.x/firegl_public.c:6387:12: warning: ‘KCL_fpu_save_init’ defined but not used [-Wunused-function] static int KCL_fpu_save_init(struct task_struct *tsk) ^ cc1: some warnings being treated as errors scripts/Makefile.build:258: recipe for target '/var/lib/dkms/fglrx-core/14.201/build/2.6.x/firegl_public.o' failed make[2]: *** [/var/lib/dkms/fglrx-core/14.201/build/2.6.x/firegl_public.o] Error 1 Makefile:1390: recipe for target '_module_/var/lib/dkms/fglrx-core/14.201/build/2.6.x' failed make[1]: *** [_module_/var/lib/dkms/fglrx-core/14.201/build/2.6.x] Error 2 make[1]: Leaving directory '/usr/src/linux-headers-4.0.0-040000rc1-generic' Makefile:88: recipe for target 'kmod_build' failed make: *** [kmod_build] Error 2 build failed with return value 2