Re: [patch core/stackprotector] stackprotector: Fix build when compiler lacks support

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On 12/30/2013 1:37 PM, David Rientjes wrote:
8779657d29c0 ("stackprotector: Introduce CONFIG_CC_STACKPROTECTOR_STRONG")
causes the build to break when the compiler doesn't support
-fstack-protector-strong:

	cc1: error: unrecognized command line option ‘-fstack-protector-strong’
	cc1: error: unrecognized command line option ‘-fstack-protector-strong’

with at least gcc 4.6.3.

Instead of breaking the build, just warn of the failure and disable the
feature.

ideally it also falls back to the less strict one, rather than not using stack protector at all...


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