vp-build/helpers/cross-compilation.sh

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#
# This helper sets some required vars to be able to cross build
# packages on xbps. The target is specified in the configuration file
# and will be read any time the cross compilation flag is used.
#
[ -z "$XBPS_CROSS_TARGET" -o ! -d $XBPS_CROSS_DIR/bin ] && return 1
# Check if all required bins are there.
for bin in gcc g++ cpp ar as ranlib ld strip; do
if [ ! -x $XBPS_CROSS_DIR/bin/$XBPS_CROSS_TARGET-${bin} ]; then
msg_error "cross-compilation: cannot find ${bin}, aborting."
fi
done
SAVE_PATH="$PATH"
cross_compile_setvars()
{
export GCC=$XBPS_CROSS_TARGET-gcc
export CC=$XBPS_CROSS_TARGET-gcc
export CXX=$XBPS_CROSS_TARGET-g++
export CPP=$XBPS_CROSS_TARGET-cpp
export AR=$XBPS_CROSS_TARGET-ar
export AS=$XBPS_CROSS_TARGET-as
export RANLIB=$XBPS_CROSS_TARGET-ranlib
export LD=$XBPS_CROSS_TARGET-ld
export STRIP=$XBPS_CROSS_TARGET-strip
export PATH="$XBPS_CROSS_DIR/bin:$PATH"
}
cross_compile_unsetvars()
{
unset GCC CC CXX CPP AR AS RANLIB LD STRIP PATH
export PATH="$SAVE_PATH"
}
if [ "$build_style" = "gnu_configure" ]; then
configure_args="--build=$XBPS_CROSS_HOST --host=$XBPS_CROSS_TARGET"
configure_args="$configure_args --target=$XBPS_CROSS_TARGET"
fi