klipper-dgus/scripts/check-gcc.sh

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#!/bin/sh
# This script checks for a broken Ubuntu 18.04 arm-none-eabi-gcc compile
f1="$1"
f2="$2"
s1=`readelf -A "$f1" | grep "Tag_ARM_ISA_use"`
s2=`readelf -A "$f2" | grep "Tag_ARM_ISA_use"`
if [ "$s1" != "$s2" ]; then
echo ""
echo "ERROR: The compiler failed to correctly compile Klipper"
echo "It will be necessary to upgrade the compiler"
echo "See: https://bugs.launchpad.net/ubuntu/+source/newlib/+bug/1767223"
echo ""
rm -f "$f1"
exit 99
fi