Messages in this thread |  | | Date | Thu, 13 Feb 2014 11:04:10 +0000 | From | Markos Chandras <> | Subject | Re: [PATCH] Makefile: Unset stack-protector gcc flag if it is not supported |
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On 02/07/2014 05:15 PM, Markos Chandras wrote: > In case the compiler does not support the stack-protector option, > unset the flag to avoid build failures. Printing a warning is enough > to let the user know that this flag will not be used. > Fixes the following build problem when using a toolchain which does > not support the -fstack-protector-strong flag: > > Makefile:614: Cannot use CONFIG_CC_STACKPROTECTOR_STRONG: > -fstack-protector-strong not supported by compiler > mips-linux-gnu-gcc: error: unrecognized command line option > '-fstack-protector-strong' > scripts/Makefile.build:308: recipe for target 'scripts/mod/empty.o' failed > make[2]: *** [scripts/mod/empty.o] Error 1 > make[2]: *** Waiting for unfinished jobs.... > scripts/Makefile.build:455: recipe for target 'scripts/mod' failed > > Cc: Michal Marek <mmarek@suse.cz> > Cc: linux-kbuild@vger.kernel.org > Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> > --- > Makefile | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/Makefile b/Makefile > index 606ef7c..63a5333 100644 > --- a/Makefile > +++ b/Makefile > @@ -607,12 +607,14 @@ ifdef CONFIG_CC_STACKPROTECTOR_REGULAR > ifeq ($(call cc-option, $(stackp-flag)),) > $(warning Cannot use CONFIG_CC_STACKPROTECTOR: \ > -fstack-protector not supported by compiler)) > + stackp-flag := > endif > else ifdef CONFIG_CC_STACKPROTECTOR_STRONG > stackp-flag := -fstack-protector-strong > ifeq ($(call cc-option, $(stackp-flag)),) > $(warning Cannot use CONFIG_CC_STACKPROTECTOR_STRONG: \ > -fstack-protector-strong not supported by compiler) > + stackp-flag := > endif > else > # Force off for distro compilers that enable stack protector by default. > Hi,
ping?
-- markos
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