On Wed, Nov 16, 2016 at 12:12:53AM +0530, PrasannaKumar Muralidharan wrote: > >> scripts/kconfig/conf --silentoldconfig Kconfig > >> CHK include/config/kernel.release > >> Cannot use CONFIG_CC_STACKPROTECTOR_STRONG: -fstack-protector-strong > >> not supported by compiler > >> make: *** [prepare-compiler-check] Error 1 > >> make: *** Waiting for unfinished jobs.... > > > > So turn off CONFIG_CC_STACKPROTECTOR_STRONG or upgrade your C compiler. > > I turned off CONFIG_CC_STACKPROTECTOR_STRONG and got the following error > ******************************************************************************************************* > HOSTCC scripts/basic/fixdep > HOSTCC scripts/basic/bin2c > HOSTCC arch/x86/tools/relocs_32.o > HOSTCC arch/x86/tools/relocs_64.o > HOSTCC arch/x86/tools/relocs_common.o > HOSTLD arch/x86/tools/relocs > CHK include/config/kernel.release > CHK include/generated/uapi/linux/version.h > CHK include/generated/utsrelease.h > CC arch/x86/purgatory/purgatory.o > AS arch/x86/purgatory/stack.o > AS arch/x86/purgatory/setup-x86_64.o > CC arch/x86/purgatory/sha256.o > AS arch/x86/purgatory/entry64.o > CC arch/x86/purgatory/string.o > LD arch/x86/purgatory/purgatory.ro > BIN2C arch/x86/purgatory/kexec-purgatory.c > CHK include/generated/timeconst.h > CC kernel/bounds.s > kernel/bounds.c:1:0: error: code model kernel does not support PIC mode > /* > > make[1]: *** [kernel/bounds.s] Error 1 > make: *** [prepare0] Error 2 > ******************************************************************************************************* > > Using gcc 6.2 to compile kernel. gcc works with > -fstack-protector-strong for a simple test c code. I doubt compiler is > the problem. Should I make some change to make kernel compile with gcc > 6.2? Thank you for your quick response. This is Ubuntu, right? Build a 64bit kernel and you should be fine, right now Canonical is shipping a version of gcc that doesn't want to build the kernel. There's a patch floating around, go bug the Canonical developers to get it upstream please... If not, I don't know, sorry. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
