I just tried to build 4.9 (rc3) for the first time (x86_64, i7 haswell) After making my choices in make oldconfig, make -j8 failed in less than 2 sec.
CC scripts/mod/empty.o HOSTCC scripts/mod/mk_elfconfig HOSTCC scripts/sortextable CC scripts/mod/devicetable-offsets.s In file included from ./include/linux/linkage.h:6:0, from ./include/linux/kernel.h:6, from ./include/asm-generic/bug.h:13, from ./arch/x86/include/asm/bug.h:35, from ./include/linux/bug.h:4, from ./include/linux/jump_label.h:170, from ./arch/x86/include/asm/string_64.h:5, from ./arch/x86/include/asm/string.h:4, from ./include/linux/string.h:18, from ./include/uapi/linux/uuid.h:21, from ./include/linux/uuid.h:19, from ./include/linux/mod_devicetable.h:12, from scripts/mod/devicetable-offsets.c:2: ./include/linux/export.h:81:33: fatal error: generated/autoksyms.h: No such file or directory #include <generated/autoksyms.h> ^ compilation terminated. make[2]: *** [scripts/Makefile.build:154: scripts/mod/devicetable-offsets.s] Error 1 make[1]: *** [scripts/Makefile.build:475: scripts/mod] Error 2 make[1]: *** Waiting for unfinished jobs.... make: *** [Makefile:559: scripts] Error 2 make: *** Waiting for unfinished jobs.... I then ran make clean and gave it another try, again using -j8. This time i t worked, so I guess there is a race in a Makefile. ĸen