In gcc commit d3c11974032e21121a051d423a1d71097edf752f ("Use proper
Intel processor names for -march=/-mtune="), which was merged in gcc
4.9, the following replacements were made:
* corei7 -> nehalem
* corei7-avx -> sandybridge
* core-avx-i -> ivybridge
* core-avx2 -> haswell
* atom -> bonnel
* slm -> silvermont
So this commit marks the Buildroot options BR2_x86_corei7,
BR2_x86_corei7_avx, BR2_x86_core_avx2 and BR2_x86_atom as deprecated,
and adds the four corresponding options with the newer names.
Note that the older options are still kept because the new option
names are only supported starting gcc 4.9, and we theoretically still
supports targets gcc as old as gcc 4.3.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
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