Bill Richardson 7abeeeaad2 cleanup: Makefiles should check path assumptions ...

When compiling the EC firmware outside of the chroot, some
optional packages may not be installed. Let's be sure the tools
exist before we try to use them.

BUG=none
BRANCH=none
TEST=make buildall, both inside and outside of the chroot

Note that to build outside the chroot, we need to

1. Use GNU make verion 4.1 or later
2. Install the gcc-arm-none-eabi package

Change-Id: I78c75cb4ad658c003ded71b244b0458ae5532e0b
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/337341
Reviewed-by: Shawn N <shawnn@chromium.org>

2016-04-05 22:00:44 -07:00

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