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#!/bin/bash
# Convenience wrapper to set $CROSS_COMPILE from short name using "ccc"
# symlink (Cross C Compiler) to a directory of cross compilers named
# $TARGET-*-cross. Tested with scripts/mcm-buildall.sh output.
# Usage: scripts/cross.sh $TARGET make distclean defconfig toybox
# With no arguments, lists available targets. Use target "all" to iterate
# through each $TARGET from the list.
CCC="$(dirname "$(readlink -f "$0")")"/../ccc
if [ ! -d "$CCC" ]
then
echo "Create symlink 'ccc' to cross compiler directory, ala:"
echo " ln -s ~/musl-cross-make/ccc ccc"
exit 1
fi
unset X Y
# Display target list?
list()
{
ls "$CCC" | sed 's/-.*//' | sort -u | xargs
}
[ $# -eq 0 ] && list && exit
X="$1"
shift
# build all targets?
if [ "$X" == all ]
then
for TARGET in $(list)
do
{
export TARGET
"$0" $TARGET "$@" 2>&1 || mv cross-log-$TARGET.{txt,failed}
} | tee cross-log-$TARGET.txt
done
exit
fi
# Call command with CROSS_COMPILE= as its first argument
Y=$(echo "$CCC/$X"-*cross)
Z=$(basename "$Y")
Y=$(readlink -f "$CCC"/$X-*cross)
export TARGET="${Z/-*/}"
X="$Y/bin/${Z/-cross/-}"
[ ! -e "${X}cc" ] && echo "${X}cc not found" && exit 1
CROSS_COMPILE="$X" "$@"
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