Messages in this thread | | | Date | Sun, 2 Jul 2006 01:06:35 +0200 | From | Sam Ravnborg <> | Subject | Re: 2.6.17-mm5 -- Busted toolchain? -- usr/klibc/exec_l.c:59: undefined reference to `__stack_chk_fail' |
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>> > > > > >> > > > KLIBCLD usr/klibc/libc.so > >> > > > usr/klibc/execl.o: In function `execl': ... > > >https://wiki.ubuntu.com/GccSsp > > > >It appears that Ubuntu's Edgy Eft (the development tree) now contains > >"Stack Smashing Protection" enabled by default. I found a web page > >that states that -fno-stack-protector can be used to disable this > >functionality. Interestingly, another web page stated that SSP has > >been enabled in Redhat compilers for a long time and is now also > >enabled in Debian SID. Perhaps -fno-stack-protector should be added > >to the kernel build be default? > > Darn it. I don't seem to know how to get -fno-stack-protector to > work. I ran: > export CFLAGS=-fno-stack-protector > make mrproper > cp ../.config . > make oldconfig > CFLAGS=-fno-stack-protector make all install modules modules_install > > But I am still getting the errors. Anyone know what I am doing wrong?
For klibc you need to patch scripts/Kbuild.klibc
Appending it to KLIBCWARNFLAGS seems the right place.
Do you know from what gcc version we can start using -fno-stack-protector?
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