* [BUG] Build error due -fstack-protector-strong not supported by compiler
@ 2014-02-21 23:47 Juan Emilio Ledesma Torres
0 siblings, 0 replies; only message in thread
From: Juan Emilio Ledesma Torres @ 2014-02-21 23:47 UTC (permalink / raw)
To: Kees Cook, Cc: Arjan van de Ven, Cc: Michal Marek,
Cc: Russell King, Cc: Ralf Baechle, Cc: Paul Mundt,
Cc: James Hogan, Cc: Stephen Rothwell, Cc: Shawn Guo,
Cc: Linus Torvalds, Cc: Andrew Morton, Cc: Peter Zijlstra,
Cc: Thomas Gleixner, linux-mips, linux-arch
Hello,
When building latest Torvalds tree (HEAD d158fc7f) on a x86_64 machine
using the attached defconfig I got the following build error:
/home/pc12/linux/arch/x86/Makefile:118: stack-protector enabled but
compiler support broken
Makefile:614: Cannot use CONFIG_CC_STACKPROTECTOR_STRONG:
-fstack-protector-strong not supported by compiler
Makefile:614: Cannot use CONFIG_CC_STACKPROTECTOR_STRONG:
-fstack-protector-strong not supported by compiler
make[1]: No se hace nada para <<all>>.
make[1]: No se hace nada para <<relocs>>.
CHK include/config/kernel.release
CHK include/generated/uapi/linux/version.h
CHK include/generated/utsrelease.h
CC kernel/bounds.s
cc1: error: the command line option is not recognized '-fstack-protector-strong'
make[1]: *** [kernel/bounds.s] Error 1
make: *** [prepare0] Error 2
I had already reported the bug on bugzilla [0] but I'm also reporting
here for completeness.
Bisecting this break was introduced on commit 19952a92
("stackprotector: Unify the HAVE_CC_STACKPROTECTOR logic between
architectures")
I don't know if this problem is with the above commit or with my
compiler (gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3)
[0]: https://bugzilla.kernel.org/show_bug.cgi?id=70951
--
Best regards,
Juan Ledesma
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2014-02-21 23:47 [BUG] Build error due -fstack-protector-strong not supported by compiler Juan Emilio Ledesma Torres
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