From: Jonathan McDowell <noodles@earth.li>
Date: Mon, 3 Sep 2018 15:49:30 +0000 (+0100)
Subject: Update for SDK 2.2.1 with system compiler
X-Git-Url: https://the.earth.li/gitweb/?a=commitdiff_plain;h=648045c23ec74fafc4416cfd27b8ce6a091d8a35;hp=648045c23ec74fafc4416cfd27b8ce6a091d8a35;p=esp8266-clock.git

Update for SDK 2.2.1 with system compiler

Move to using gcc/binutils from system paths (tested with gcc 7.3.0
packages on Debian) and the Espressif NONOS SDK 2.2.1. Also move to a
512k + 512k image format instead of trying to fit 2 images in a 512kB
flash chip.
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