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# Build script for DTC (device tree compiler)
do_companion_tools_dtc_get()
{
CT_Fetch DTC
}
do_companion_tools_dtc_extract()
{
CT_ExtractPatch DTC
}
do_companion_tools_dtc_for_build()
{
CT_DoStep INFO "Installing dtc for build"
CT_mkdir_pushd "${CT_BUILD_DIR}/build-dtc-build"
do_dtc_backend \
host=${CT_BUILD} \
prefix="${CT_BUILD_COMPTOOLS_DIR}" \
cflags="${CT_CFLAGS_FOR_BUILD}" \
ldflags="${CT_LDFLAGS_FOR_BUILD}"
CT_Popd
CT_EndStep
}
do_companion_tools_dtc_for_host()
{
CT_DoStep INFO "Installing dtc for host"
CT_mkdir_pushd "${CT_BUILD_DIR}/build-dtc-host"
do_dtc_backend \
host=${CT_HOST} \
prefix="${CT_PREFIX_DIR}" \
cflags="${CT_CFLAGS_FOR_HOST}" \
ldflags="${CT_LDFLAGS_FOR_HOST}"
CT_Popd
CT_EndStep
}
do_dtc_backend()
{
local host
local prefix
local cflags
local ldflags
local -a extra_opts
for arg in "$@"; do
eval "${arg// /\\ }"
done
# Override PKG_CONFIG: if pkg-config is not installed, DTC's makefile
# misinterprets the error code and tries to enable YAML support while
# not linking against libyaml. NO_YAML=1 is sufficient to make the build
# pass; PKG_CONFIG=/bin/true just suppresses some scary error messages.
extra_opts=( \
CC="${host}-gcc" \
AR="${host}-ar" \
PREFIX="${prefix}" \
PKG_CONFIG=/bin/true \
NO_PYTHON=1 \
NO_YAML=1 \
BIN=dtc \
)
if [ -n "${CT_DTC_VERBOSE}" ]; then
extra_opts+=( V=1 )
fi
case "${host}" in
*-mingw32)
# Turn off warnings: mingw32 hosts complain about %zd formats even though
# they seem to be supported by mingw32. Only build 'dtc', again, because
# other binaries use syscalls not available under mingw32, but we also
# do not need them. Hijack WARNINGS to override lstat with stat (Windows
# does not have symlinks).
extra_opts+=( BIN=dtc WARNINGS=-Dlstat=stat )
;;
esac
CT_DoExecLog ALL cp -av "${CT_SRC_DIR}/dtc/." .
CT_DoLog EXTRA "Building dtc"
CT_DoExecLog ALL make all "${extra_opts[@]}"
# Only install binaries, we don't support shared libraries in installation
# directory yet.
CT_DoLog EXTRA "Installing dtc"
CT_DoExecLog ALL make install-bin "${extra_opts[@]}"
}
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